diff options
169 files changed, 3603 insertions, 3998 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index c479d30eeaa..03eb5ed503f 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1758,6 +1758,13 @@ and is between 256 and 4096 characters. It is defined in the file Note that genuine overcurrent events won't be reported either. + usbcore.autosuspend= + [USB] The autosuspend time delay (in seconds) used + for newly-detected USB devices (default 2). This + is the time required before an idle device will be + autosuspended. Devices for which the delay is set + to 0 won't be autosuspended at all. + usbhid.mousepoll= [USBHID] The interval which mice are to be polled at. diff --git a/Documentation/magic-number.txt b/Documentation/magic-number.txt index af67faccf4d..0e740c812d1 100644 --- a/Documentation/magic-number.txt +++ b/Documentation/magic-number.txt @@ -65,7 +65,6 @@ CMAGIC 0x0111 user include/linux/a.out.h MKISS_DRIVER_MAGIC 0x04bf mkiss_channel drivers/net/mkiss.h RISCOM8_MAGIC 0x0907 riscom_port drivers/char/riscom8.h SPECIALIX_MAGIC 0x0907 specialix_port drivers/char/specialix_io8.h -AURORA_MAGIC 0x0A18 Aurora_port drivers/sbus/char/aurora.h HDLC_MAGIC 0x239e n_hdlc drivers/char/n_hdlc.c APM_BIOS_MAGIC 0x4101 apm_user arch/i386/kernel/apm.c CYCLADES_MAGIC 0x4359 cyclades_port include/linux/cyclades.h diff --git a/MAINTAINERS b/MAINTAINERS index c268b51e451..a9c13196f6b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3392,6 +3392,13 @@ L: linux-usb-devel@lists.sourceforge.net S: Maintained W: http://www.kroah.com/linux-usb/ +USB DAVICOM DM9601 DRIVER +P: Peter Korsgaard +M: jacmet@sunsite.dk +L: linux-usb-devel@lists.sourceforge.net +W: http://www.linux-usb.org/usbnet +S: Maintained + USB EHCI DRIVER P: David Brownell M: dbrownell@users.sourceforge.net diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 9655c233e6f..7a2c9cbdb51 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -38,7 +38,6 @@ #include <asm/hpet.h> #include <asm/i8253.h> #include <asm/nmi.h> -#include <asm/idle.h> #include <mach_apic.h> #include <mach_apicdef.h> @@ -561,7 +560,6 @@ void fastcall smp_apic_timer_interrupt(struct pt_regs *regs) * Besides, if we don't timer interrupts ignore the global * interrupt lock, which is the WrongThing (tm) to do. */ - exit_idle(); irq_enter(); local_apic_timer_interrupt(); irq_exit(); @@ -1221,7 +1219,6 @@ void smp_spurious_interrupt(struct pt_regs *regs) { unsigned long v; - exit_idle(); irq_enter(); /* * Check if this really is a spurious interrupt and ACK it @@ -1245,7 +1242,6 @@ void smp_error_interrupt(struct pt_regs *regs) { unsigned long v, v1; - exit_idle(); irq_enter(); /* First tickle the hardware, only then report what went on. -- REW */ v = apic_read(APIC_ESR); diff --git a/arch/i386/kernel/cpu/mcheck/p4.c b/arch/i386/kernel/cpu/mcheck/p4.c index 8359c19d3a2..504434a4601 100644 --- a/arch/i386/kernel/cpu/mcheck/p4.c +++ b/arch/i386/kernel/cpu/mcheck/p4.c @@ -12,7 +12,6 @@ #include <asm/system.h> #include <asm/msr.h> #include <asm/apic.h> -#include <asm/idle.h> #include <asm/therm_throt.h> @@ -60,7 +59,6 @@ static void (*vendor_thermal_interrupt)(struct pt_regs *regs) = unexpected_therm fastcall void smp_thermal_interrupt(struct pt_regs *regs) { - exit_idle(); irq_enter(); vendor_thermal_interrupt(regs); irq_exit(); diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 4ccebd454e2..6fec4dab70b 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -343,7 +343,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) break; entry = irq_2_pin + entry->next; } - set_native_irq_info(irq, cpumask); + irq_desc[irq].affinity = cpumask; spin_unlock_irqrestore(&ioapic_lock, flags); } @@ -1354,7 +1354,7 @@ static void __init setup_IO_APIC_irqs(void) } spin_lock_irqsave(&ioapic_lock, flags); __ioapic_write_entry(apic, pin, entry); - set_native_irq_info(irq, TARGET_CPUS); + irq_desc[irq].affinity = TARGET_CPUS; spin_unlock_irqrestore(&ioapic_lock, flags); } } @@ -2585,7 +2585,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) msg.address_lo |= MSI_ADDR_DEST_ID(dest); write_msi_msg(irq, &msg); - set_native_irq_info(irq, mask); + irq_desc[irq].affinity = mask; } #endif /* CONFIG_SMP */ @@ -2669,7 +2669,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) dest = cpu_mask_to_apicid(mask); target_ht_irq(irq, dest); - set_native_irq_info(irq, mask); + irq_desc[irq].affinity = mask; } #endif @@ -2875,7 +2875,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a spin_lock_irqsave(&ioapic_lock, flags); __ioapic_write_entry(ioapic, pin, entry); - set_native_irq_info(irq, TARGET_CPUS); + irq_desc[irq].affinity = TARGET_CPUS; spin_unlock_irqrestore(&ioapic_lock, flags); return 0; diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c index 0f2ca590bf2..8db8d514c9c 100644 --- a/arch/i386/kernel/irq.c +++ b/arch/i386/kernel/irq.c @@ -18,8 +18,6 @@ #include <linux/cpu.h> #include <linux/delay.h> -#include <asm/idle.h> - #include <asm/apic.h> #include <asm/uaccess.h> @@ -77,7 +75,6 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs) union irq_ctx *curctx, *irqctx; u32 *isp; #endif - exit_idle(); if (unlikely((unsigned)irq >= NR_IRQS)) { printk(KERN_EMERG "%s: cannot handle IRQ %d\n", diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index bea304d48cd..393a67d5d94 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -49,7 +49,6 @@ #include <asm/i387.h> #include <asm/desc.h> #include <asm/vm86.h> -#include <asm/idle.h> #ifdef CONFIG_MATH_EMULATION #include <asm/math_emu.h> #endif @@ -82,42 +81,6 @@ void (*pm_idle)(void); EXPORT_SYMBOL(pm_idle); static DEFINE_PER_CPU(unsigned int, cpu_idle_state); -static ATOMIC_NOTIFIER_HEAD(idle_notifier); - -void idle_notifier_register(struct notifier_block *n) -{ - atomic_notifier_chain_register(&idle_notifier, n); -} - -void idle_notifier_unregister(struct notifier_block *n) -{ - atomic_notifier_chain_unregister(&idle_notifier, n); -} - -static DEFINE_PER_CPU(volatile unsigned long, idle_state); - -void enter_idle(void) -{ - /* needs to be atomic w.r.t. interrupts, not against other CPUs */ - __set_bit(0, &__get_cpu_var(idle_state)); - atomic_notifier_call_chain(&idle_notifier, IDLE_START, NULL); -} - -static void __exit_idle(void) -{ - /* needs to be atomic w.r.t. interrupts, not against other CPUs */ - if (__test_and_clear_bit(0, &__get_cpu_var(idle_state)) == 0) - return; - atomic_notifier_call_chain(&idle_notifier, IDLE_END, NULL); -} - -void exit_idle(void) -{ - if (current->pid) - return; - __exit_idle(); -} - void disable_hlt(void) { hlt_counter++; @@ -168,7 +131,6 @@ EXPORT_SYMBOL(default_idle); */ static void poll_idle (void) { - local_irq_enable(); cpu_relax(); } @@ -229,16 +191,7 @@ void cpu_idle(void) play_dead(); __get_cpu_var(irq_stat).idle_timestamp = jiffies; - - /* - * Idle routines should keep interrupts disabled - * from here on, until they go to idle. - * Otherwise, idle callbacks can misfire. - */ - local_irq_disable(); - enter_idle(); idle(); - __exit_idle(); } tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); @@ -293,11 +246,7 @@ void mwait_idle_with_hints(unsigned long eax, unsigned long ecx) __monitor((void *)¤t_thread_info()->flags, 0, 0); smp_mb(); if (!need_resched()) - __sti_mwait(eax, ecx); - else - local_irq_enable(); - } else { - local_irq_enable(); + __mwait(eax, ecx); } } diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c index 9bd9637ae69..0e8977871b1 100644 --- a/arch/i386/kernel/smp.c +++ b/arch/i386/kernel/smp.c @@ -23,7 +23,6 @@ #include <asm/mtrr.h> #include <asm/tlbflush.h> -#include <asm/idle.h> #include <mach_apic.h> /* @@ -624,7 +623,6 @@ fastcall void smp_call_function_interrupt(struct pt_regs *regs) /* * At this point the info structure may be out of scope unless wait==1 */ - exit_idle(); irq_enter(); (*func)(info); irq_exit(); diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c index 0d05450c91c..e7220900ea1 100644 --- a/arch/ia64/kernel/msi_ia64.c +++ b/arch/ia64/kernel/msi_ia64.c @@ -60,7 +60,7 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) msg.address_lo = addr; write_msi_msg(irq, &msg); - set_native_irq_info(irq, cpu_mask); + irq_desc[irq].affinity = cpu_mask; } #endif /* CONFIG_SMP */ diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c index ea3dc38d73f..49873aa4a37 100644 --- a/arch/ia64/sn/kernel/msi_sn.c +++ b/arch/ia64/sn/kernel/msi_sn.c @@ -204,7 +204,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff); write_msi_msg(irq, &msg); - set_native_irq_info(irq, cpu_mask); + irq_desc[irq].affinity = cpu_mask; } #endif /* CONFIG_SMP */ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c6f74f1c639..58e97886d77 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -274,6 +274,7 @@ config MIPS_ATLAS select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL + select SYS_SUPPORTS_SMARTMIPS select GENERIC_HARDIRQS_NO__DO_IRQ help This enables support for the MIPS Technologies Atlas evaluation @@ -305,6 +306,7 @@ config MIPS_MALTA select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MULTITHREADING + select SYS_SUPPORTS_SMARTMIPS help This enables support for the MIPS Technologies Malta evaluation board. @@ -322,6 +324,7 @@ config MIPS_SEAD select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_SMARTMIPS help This enables support for the MIPS Technologies SEAD evaluation board. @@ -1641,6 +1644,18 @@ config 64BIT_PHYS_ADDR config CPU_HAS_LLSC bool +config CPU_HAS_SMARTMIPS + depends on SYS_SUPPORTS_SMARTMIPS + bool "Support for the SmartMIPS ASE" + help + SmartMIPS is a extension of the MIPS32 architecture aimed at + increased security at both hardware and software level for + smartcards. Enabling this option will allow proper use of the + SmartMIPS instructions by Linux applications. However a kernel with + this option will not work on a MIPS core without SmartMIPS core. If + you don't know you probably don't have SmartMIPS and should say N + here. + config CPU_HAS_WB bool @@ -1704,6 +1719,9 @@ config CPU_SUPPORTS_HIGHMEM config SYS_SUPPORTS_HIGHMEM bool +config SYS_SUPPORTS_SMARTMIPS + bool + config ARCH_FLATMEM_ENABLE def_bool y depends on !NUMA diff --git a/arch/mips/Makefile b/arch/mips/Makefile index c68b5d3e5d1..92bca6ad6ab 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -103,6 +103,8 @@ predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) +cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) + cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ -fno-omit-frame-pointer diff --git a/arch/mips/cobalt/mtd.c b/arch/mips/cobalt/mtd.c index 01d8ec77fe9..2b088ef3839 100644 --- a/arch/mips/cobalt/mtd.c +++ b/arch/mips/cobalt/mtd.c @@ -24,7 +24,7 @@ static struct mtd_partition cobalt_mtd_partitions[] = { { - .name = "Colo", + .name = "firmware", .offset = 0x0, .size = 0x80000, }, diff --git a/arch/mips/configs/atlas_defconfig b/arch/mips/configs/atlas_defconfig index 45874d1038d..458894933a4 100644 --- a/arch/mips/configs/atlas_defconfig +++ b/arch/mips/configs/atlas_defconfig @@ -139,10 +139,12 @@ CONFIG_MIPS_MT_DISABLED=y CONFIG_SYS_SUPPORTS_MULTITHREADING=y # CONFIG_64BIT_PHYS_ADDR is not set CONFIG_CPU_HAS_LLSC=y +# CONFIG_CPU_HAS_SMARTMIPS is not set CONFIG_CPU_HAS_SYNC=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_SYS_SUPPORTS_SMARTMIPS=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig index b4cdd3e7cdf..aa05e294ea6 100644 --- a/arch/mips/configs/bigsur_defconfig +++ b/arch/mips/configs/bigsur_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:35 2007 +# Tue Feb 20 21:47:22 2007 # CONFIG_MIPS=y @@ -417,6 +417,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -589,6 +590,7 @@ CONFIG_NET_SB1250_MAC=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1025,7 +1027,6 @@ CONFIG_FORCED_INLINING=y CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" # CONFIG_DEBUG_STACK_USAGE is not set -# CONFIG_KGDB is not set # CONFIG_SB1XXX_CORELIS is not set # CONFIG_RUNTIME_DEBUG is not set diff --git a/arch/mips/configs/capcella_defconfig b/arch/mips/configs/capcella_defconfig index b05469e0bcd..b2594fa556f 100644 --- a/arch/mips/configs/capcella_defconfig +++ b/arch/mips/configs/capcella_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:36 2007 +# Tue Feb 20 21:47:22 2007 # CONFIG_MIPS=y @@ -388,6 +388,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig index f88c40fc994..9090a7aba6c 100644 --- a/arch/mips/configs/cobalt_defconfig +++ b/arch/mips/configs/cobalt_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Mon Feb 19 14:51:58 2007 +# Tue Feb 20 21:47:24 2007 # CONFIG_MIPS=y @@ -425,7 +425,7 @@ CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_PHYSMAP=y CONFIG_MTD_PHYSMAP_START=0x0 -CONFIG_MTD_PHYSMAP_LEN=0 +CONFIG_MTD_PHYSMAP_LEN=0x0 CONFIG_MTD_PHYSMAP_BANKWIDTH=0 # CONFIG_MTD_PLATRAM is not set @@ -449,7 +449,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=0 # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -464,6 +463,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=0 # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -658,6 +658,7 @@ CONFIG_TULIP=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/db1000_defconfig b/arch/mips/configs/db1000_defconfig index 1db19f1bfd4..4cb8cf4255a 100644 --- a/arch/mips/configs/db1000_defconfig +++ b/arch/mips/configs/db1000_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:39 2007 +# Tue Feb 20 21:47:24 2007 # CONFIG_MIPS=y @@ -548,6 +548,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1103,6 +1104,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/db1100_defconfig b/arch/mips/configs/db1100_defconfig index 529e6ebe2a8..d86dedf27fc 100644 --- a/arch/mips/configs/db1100_defconfig +++ b/arch/mips/configs/db1100_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:39 2007 +# Tue Feb 20 21:47:24 2007 # CONFIG_MIPS=y @@ -537,6 +537,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1103,6 +1104,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/db1200_defconfig b/arch/mips/configs/db1200_defconfig index 9e86dcd3c31..c24b6008345 100644 --- a/arch/mips/configs/db1200_defconfig +++ b/arch/mips/configs/db1200_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:40 2007 +# Tue Feb 20 21:47:25 2007 # CONFIG_MIPS=y @@ -541,6 +541,7 @@ CONFIG_MTD_NAND_IDS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1185,6 +1186,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="mem=48M" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/db1500_defconfig b/arch/mips/configs/db1500_defconfig index 9c944611eda..baad2c5223b 100644 --- a/arch/mips/configs/db1500_defconfig +++ b/arch/mips/configs/db1500_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:41 2007 +# Tue Feb 20 21:47:26 2007 # CONFIG_MIPS=y @@ -542,7 +542,6 @@ CONFIG_MTD_ALCHEMY=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -557,6 +556,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -715,6 +715,7 @@ CONFIG_MIPS_AU1X00_ENET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1145,6 +1146,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1402,6 +1404,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/db1550_defconfig b/arch/mips/configs/db1550_defconfig index 5b18d5da985..c29fdab0423 100644 --- a/arch/mips/configs/db1550_defconfig +++ b/arch/mips/configs/db1550_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:42 2007 +# Tue Feb 20 21:47:27 2007 # CONFIG_MIPS=y @@ -562,6 +562,7 @@ CONFIG_MTD_NAND_AU1550=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -751,6 +752,7 @@ CONFIG_MIPS_AU1X00_ENET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1219,6 +1221,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/ddb5477_defconfig b/arch/mips/configs/ddb5477_defconfig index 12101888618..f4b316d2cd7 100644 --- a/arch/mips/configs/ddb5477_defconfig +++ b/arch/mips/configs/ddb5477_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:43 2007 +# Tue Feb 20 21:47:28 2007 # CONFIG_MIPS=y @@ -386,6 +386,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -925,6 +926,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="ip=any" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/decstation_defconfig b/arch/mips/configs/decstation_defconfig index 2d717455a82..9c38e5c7776 100644 --- a/arch/mips/configs/decstation_defconfig +++ b/arch/mips/configs/decstation_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:44 2007 +# Tue Feb 20 21:47:28 2007 # CONFIG_MIPS=y @@ -398,6 +398,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/e55_defconfig b/arch/mips/configs/e55_defconfig index 0ee2fbb35f1..922af379aa4 100644 --- a/arch/mips/configs/e55_defconfig +++ b/arch/mips/configs/e55_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:44 2007 +# Tue Feb 20 21:47:28 2007 # CONFIG_MIPS=y @@ -294,6 +294,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/emma2rh_defconfig b/arch/mips/configs/emma2rh_defconfig index 218fe6e5f2d..c0db8f14713 100644 --- a/arch/mips/configs/emma2rh_defconfig +++ b/arch/mips/configs/emma2rh_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:46 2007 +# Tue Feb 20 21:47:29 2007 # CONFIG_MIPS=y @@ -611,7 +611,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -626,6 +625,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1039,6 +1039,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set diff --git a/arch/mips/configs/ev64120_defconfig b/arch/mips/configs/ev64120_defconfig index 5ad4870ad5e..ce088b36291 100644 --- a/arch/mips/configs/ev64120_defconfig +++ b/arch/mips/configs/ev64120_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:46 2007 +# Tue Feb 20 21:47:30 2007 # CONFIG_MIPS=y @@ -391,6 +391,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -520,6 +521,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -914,6 +916,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs rw nfsroot=192.168.1.1:/mnt/disk2/fs.gal ip=192.168.1.211:192.168.1.1:::gt::" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/excite_defconfig b/arch/mips/configs/excite_defconfig index 5e179fe599b..82f204d080b 100644 --- a/arch/mips/configs/excite_defconfig +++ b/arch/mips/configs/excite_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:47 2007 +# Tue Feb 20 21:47:31 2007 # CONFIG_MIPS=y @@ -451,6 +451,7 @@ CONFIG_MTD_NAND_VERIFY_WRITE=y # CONFIG_MTD_NAND_ECC_SMC is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_BASLER_EXCITE is not set # CONFIG_MTD_NAND_CAFE is not set # CONFIG_MTD_NAND_NANDSIM is not set @@ -467,6 +468,7 @@ CONFIG_MTD_NAND_IDS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -638,6 +640,7 @@ CONFIG_NETDEVICES=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1008,6 +1011,7 @@ CONFIG_USB_HID=m # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1277,6 +1281,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig index 864de219eb6..cb81f13bd45 100644 --- a/arch/mips/configs/ip22_defconfig +++ b/arch/mips/configs/ip22_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:48 2007 +# Tue Feb 20 21:47:32 2007 # CONFIG_MIPS=y @@ -620,6 +620,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig index 7b2f5f8397a..46f6ac4083b 100644 --- a/arch/mips/configs/ip27_defconfig +++ b/arch/mips/configs/ip27_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:49 2007 +# Tue Feb 20 21:47:32 2007 # CONFIG_MIPS=y @@ -456,6 +456,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -672,6 +673,7 @@ CONFIG_SGI_IOC3_ETH=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1060,6 +1062,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=15 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig index 14398e8a176..d9e5000d532 100644 --- a/arch/mips/configs/ip32_defconfig +++ b/arch/mips/configs/ip32_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:50 2007 +# Tue Feb 20 21:47:33 2007 # CONFIG_MIPS=y @@ -396,6 +396,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -600,6 +601,7 @@ CONFIG_SGI_O2MACE_ETH=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/jaguar-atx_defconfig b/arch/mips/configs/jaguar-atx_defconfig index b38978794a5..57ef0c45a62 100644 --- a/arch/mips/configs/jaguar-atx_defconfig +++ b/arch/mips/configs/jaguar-atx_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:51 2007 +# Tue Feb 20 21:47:33 2007 # CONFIG_MIPS=y @@ -375,6 +375,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -518,9 +519,6 @@ CONFIG_EEPRO100=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_MV643XX_ETH=y -CONFIG_MV643XX_ETH_0=y -CONFIG_MV643XX_ETH_1=y -CONFIG_MV643XX_ETH_2=y CONFIG_QLA3XXX=m # @@ -833,6 +831,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig index dacf0a618d5..21d979f8326 100644 --- a/arch/mips/configs/jazz_defconfig +++ b/arch/mips/configs/jazz_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:52 2007 +# Tue Feb 20 21:47:33 2007 # CONFIG_MIPS=y @@ -646,6 +646,7 @@ CONFIG_PARPORT_1284=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/jmr3927_defconfig b/arch/mips/configs/jmr3927_defconfig index 29ed772455f..9ebb522fbbb 100644 --- a/arch/mips/configs/jmr3927_defconfig +++ b/arch/mips/configs/jmr3927_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:53 2007 +# Tue Feb 20 21:47:34 2007 # CONFIG_MIPS=y @@ -384,6 +384,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -513,6 +514,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/lasat200_defconfig b/arch/mips/configs/lasat200_defconfig index a1437b34e18..b3f767ff1c5 100644 --- a/arch/mips/configs/lasat200_defconfig +++ b/arch/mips/configs/lasat200_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:54 2007 +# Tue Feb 20 21:47:34 2007 # CONFIG_MIPS=y @@ -454,7 +454,6 @@ CONFIG_MTD_LASAT=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -469,6 +468,7 @@ CONFIG_MTD_LASAT=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -654,6 +654,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig index 8d21bb96349..a5f379d626d 100644 --- a/arch/mips/configs/malta_defconfig +++ b/arch/mips/configs/malta_defconfig @@ -145,6 +145,7 @@ CONFIG_SYS_SUPPORTS_MULTITHREADING=y CONFIG_MIPS_MT_FPAFF=y # CONFIG_64BIT_PHYS_ADDR is not set CONFIG_CPU_HAS_LLSC=y +# CONFIG_CPU_HAS_SMARTMIPS is not set CONFIG_CPU_MIPSR2_IRQ_VI=y CONFIG_CPU_MIPSR2_SRS=y CONFIG_CPU_HAS_SYNC=y @@ -152,6 +153,7 @@ CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_IRQ_PER_CPU=y CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_SYS_SUPPORTS_SMARTMIPS=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y diff --git a/arch/mips/configs/mipssim_defconfig b/arch/mips/configs/mipssim_defconfig index 2acb99bf2ec..5ff53e18491 100644 --- a/arch/mips/configs/mipssim_defconfig +++ b/arch/mips/configs/mipssim_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:56 2007 +# Tue Feb 20 21:47:35 2007 # CONFIG_MIPS=y @@ -436,6 +436,7 @@ CONFIG_FIB_RULES=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -878,7 +879,6 @@ CONFIG_FORCED_INLINING=y CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="nfsroot=192.168.192.169:/u1/mipsel,timeo=20 ip=dhcp" # CONFIG_DEBUG_STACK_USAGE is not set -# CONFIG_KGDB is not set # CONFIG_RUNTIME_DEBUG is not set # CONFIG_MIPS_UNCACHED is not set diff --git a/arch/mips/configs/mpc30x_defconfig b/arch/mips/configs/mpc30x_defconfig index d52a5a4877d..750e6445c61 100644 --- a/arch/mips/configs/mpc30x_defconfig +++ b/arch/mips/configs/mpc30x_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:56 2007 +# Tue Feb 20 21:47:35 2007 # CONFIG_MIPS=y @@ -405,6 +405,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -531,6 +532,7 @@ CONFIG_MII=m # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -883,6 +885,7 @@ CONFIG_USB_PEGASUS=m # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set diff --git a/arch/mips/configs/ocelot_3_defconfig b/arch/mips/configs/ocelot_3_defconfig index 746106b88ba..2febd0a7fba 100644 --- a/arch/mips/configs/ocelot_3_defconfig +++ b/arch/mips/configs/ocelot_3_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:58 2007 +# Tue Feb 20 21:47:35 2007 # CONFIG_MIPS=y @@ -496,6 +496,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -713,9 +714,6 @@ CONFIG_E100=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_MV643XX_ETH=y -CONFIG_MV643XX_ETH_0=y -CONFIG_MV643XX_ETH_1=y -CONFIG_MV643XX_ETH_2=y CONFIG_QLA3XXX=m # CONFIG_ATL1 is not set diff --git a/arch/mips/configs/ocelot_c_defconfig b/arch/mips/configs/ocelot_c_defconfig index 4b32b270df3..b8f457300bb 100644 --- a/arch/mips/configs/ocelot_c_defconfig +++ b/arch/mips/configs/ocelot_c_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:58 2007 +# Tue Feb 20 21:47:36 2007 # CONFIG_MIPS=y @@ -393,6 +393,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -523,6 +524,7 @@ CONFIG_NET_ETHERNET=y # CONFIG_BNX2 is not set # CONFIG_MV643XX_ETH is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/ocelot_defconfig b/arch/mips/configs/ocelot_defconfig index 674631b09c9..8ade072271c 100644 --- a/arch/mips/configs/ocelot_defconfig +++ b/arch/mips/configs/ocelot_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:59 2007 +# Tue Feb 20 21:47:36 2007 # CONFIG_MIPS=y @@ -390,6 +390,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -854,6 +855,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/ocelot_g_defconfig b/arch/mips/configs/ocelot_g_defconfig index 26002639234..d20a2216c11 100644 --- a/arch/mips/configs/ocelot_g_defconfig +++ b/arch/mips/configs/ocelot_g_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:00 2007 +# Tue Feb 20 21:47:36 2007 # CONFIG_MIPS=y @@ -392,6 +392,7 @@ CONFIG_PROC_EVENTS=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -522,6 +523,7 @@ CONFIG_GALILEO_64240_ETH=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=y +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) diff --git a/arch/mips/configs/pb1100_defconfig b/arch/mips/configs/pb1100_defconfig index 05a33a2aeb2..33fcc8133bc 100644 --- a/arch/mips/configs/pb1100_defconfig +++ b/arch/mips/configs/pb1100_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:01 2007 +# Tue Feb 20 21:47:37 2007 # CONFIG_MIPS=y @@ -549,6 +549,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -1096,6 +1097,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/pb1500_defconfig b/arch/mips/configs/pb1500_defconfig index 34a6bee589b..e07c55dc8dc 100644 --- a/arch/mips/configs/pb1500_defconfig +++ b/arch/mips/configs/pb1500_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:02 2007 +# Tue Feb 20 21:47:37 2007 # CONFIG_MIPS=y @@ -541,7 +541,6 @@ CONFIG_MTD_ALCHEMY=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -556,6 +555,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -745,6 +745,7 @@ CONFIG_MIPS_AU1X00_ENET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1213,6 +1214,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/pb1550_defconfig b/arch/mips/configs/pb1550_defconfig index e3bff462e62..df210dd2247 100644 --- a/arch/mips/configs/pb1550_defconfig +++ b/arch/mips/configs/pb1550_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:03 2007 +# Tue Feb 20 21:47:37 2007 # CONFIG_MIPS=y @@ -542,7 +542,6 @@ CONFIG_MTD_ALCHEMY=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -557,6 +556,7 @@ CONFIG_MTD_ALCHEMY=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -746,6 +746,7 @@ CONFIG_MIPS_AU1X00_ENET=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1206,6 +1207,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/pnx8550-jbs_defconfig b/arch/mips/configs/pnx8550-jbs_defconfig index 009b3f87b44..106a1641c0b 100644 --- a/arch/mips/configs/pnx8550-jbs_defconfig +++ b/arch/mips/configs/pnx8550-jbs_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:04 2007 +# Tue Feb 20 21:47:38 2007 # CONFIG_MIPS=y @@ -389,6 +389,7 @@ CONFIG_FW_LOADER=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -962,6 +963,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1229,6 +1231,7 @@ CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="console=ttyS1,38400n8 kgdb=ttyS0 root=/dev/nfs ip=bootp" # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_KGDB is not set +CONFIG_SYS_SUPPORTS_KGDB=y # CONFIG_RUNTIME_DEBUG is not set # CONFIG_MIPS_UNCACHED is not set diff --git a/arch/mips/configs/pnx8550-stb810_defconfig b/arch/mips/configs/pnx8550-stb810_defconfig index 5bd377bdbb2..8caa2cd1aa7 100644 --- a/arch/mips/configs/pnx8550-stb810_defconfig +++ b/arch/mips/configs/pnx8550-stb810_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:04 2007 +# Tue Feb 20 21:47:38 2007 # CONFIG_MIPS=y @@ -386,6 +386,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -952,6 +953,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1219,6 +1221,7 @@ CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="console=ttyS1,38400n8 kgdb=ttyS0 root=/dev/nfs ip=bootp" # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_KGDB is not set +CONFIG_SYS_SUPPORTS_KGDB=y # CONFIG_RUNTIME_DEBUG is not set # CONFIG_MIPS_UNCACHED is not set diff --git a/arch/mips/configs/pnx8550-v2pci_defconfig b/arch/mips/configs/pnx8550-v2pci_defconfig index cc694709ba6..43f1becec2a 100644 --- a/arch/mips/configs/pnx8550-v2pci_defconfig +++ b/arch/mips/configs/pnx8550-v2pci_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:06 2007 +# Tue Feb 20 21:47:39 2007 # CONFIG_MIPS=y @@ -474,6 +474,7 @@ CONFIG_FW_LOADER=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -987,6 +988,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -1209,6 +1211,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1466,6 +1469,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/qemu_defconfig b/arch/mips/configs/qemu_defconfig index c18c5e71d8a..f68396d19f9 100644 --- a/arch/mips/configs/qemu_defconfig +++ b/arch/mips/configs/qemu_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:06 2007 +# Tue Feb 20 21:47:39 2007 # CONFIG_MIPS=y @@ -348,6 +348,7 @@ CONFIG_PROC_EVENTS=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/rbhma4500_defconfig b/arch/mips/configs/rbhma4500_defconfig index 678f23217c9..a6a824fcc87 100644 --- a/arch/mips/configs/rbhma4500_defconfig +++ b/arch/mips/configs/rbhma4500_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:07 2007 +# Tue Feb 20 21:47:39 2007 # CONFIG_MIPS=y @@ -560,7 +560,6 @@ CONFIG_MTD_CFI_UTIL=y # NAND Flash Device Drivers # # CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_CAFE is not set # # OneNAND Flash Device Drivers @@ -576,6 +575,7 @@ CONFIG_MTD_CFI_UTIL=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices @@ -1191,6 +1191,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1462,6 +1463,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # # Security options diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig index 0417e86ab62..bee3702d501 100644 --- a/arch/mips/configs/rm200_defconfig +++ b/arch/mips/configs/rm200_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:09 2007 +# Tue Feb 20 21:47:40 2007 # CONFIG_MIPS=y @@ -661,6 +661,7 @@ CONFIG_PARPORT_NOT_PC=y # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices @@ -1397,6 +1398,7 @@ CONFIG_USB_AUERSWALD=m CONFIG_USB_RIO500=m CONFIG_USB_LEGOTOWER=m CONFIG_USB_LCD=m +# CONFIG_USB_BERRY_CHARGE is not set CONFIG_USB_LED=m # CONFIG_USB_CYPRESS_CY7C63 is not set CONFIG_USB_CYTHERM=m diff --git a/arch/mips/configs/sb1250-swarm_defconfig b/arch/mips/configs/sb1250-swarm_defconfig index 533df6fd8b4..3c891ed1014 100644 --- a/arch/mips/configs/sb1250-swarm_defconfig +++ b/arch/mips/configs/sb1250-swarm_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:09 2007 +# Tue Feb 20 21:47:40 2007 # CONFIG_MIPS=y @@ -424,6 +424,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -581,6 +582,7 @@ CONFIG_NET_SB1250_MAC=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -945,6 +947,7 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=15 CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" +CONFIG_SYS_SUPPORTS_KGDB=y # CONFIG_SB1XXX_CORELIS is not set # diff --git a/arch/mips/configs/sead_defconfig b/arch/mips/configs/sead_defconfig index 38816fe264a..e31d964a053 100644 --- a/arch/mips/configs/sead_defconfig +++ b/arch/mips/configs/sead_defconfig @@ -129,10 +129,12 @@ CONFIG_MIPS_MT_DISABLED=y # CONFIG_MIPS_VPE_LOADER is not set # CONFIG_64BIT_PHYS_ADDR is not set CONFIG_CPU_HAS_LLSC=y +# CONFIG_CPU_HAS_SMARTMIPS is not set CONFIG_CPU_HAS_SYNC=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_SYS_SUPPORTS_SMARTMIPS=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y diff --git a/arch/mips/configs/tb0226_defconfig b/arch/mips/configs/tb0226_defconfig index c2f7c8cea1e..5771c1aee76 100644 --- a/arch/mips/configs/tb0226_defconfig +++ b/arch/mips/configs/tb0226_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:11 2007 +# Tue Feb 20 21:47:41 2007 # CONFIG_MIPS=y @@ -396,6 +396,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -920,6 +921,7 @@ CONFIG_USB_STORAGE=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set diff --git a/arch/mips/configs/tb0229_defconfig b/arch/mips/configs/tb0229_defconfig index 33b788089ab..a8eb4b182d3 100644 --- a/arch/mips/configs/tb0229_defconfig +++ b/arch/mips/configs/tb0229_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:12 2007 +# Tue Feb 20 21:47:41 2007 # CONFIG_MIPS=y @@ -397,6 +397,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -530,6 +531,7 @@ CONFIG_R8169=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set CONFIG_QLA3XXX=m +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -819,6 +821,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set diff --git a/arch/mips/configs/tb0287_defconfig b/arch/mips/configs/tb0287_defconfig index d180586d638..69b87304fdb 100644 --- a/arch/mips/configs/tb0287_defconfig +++ b/arch/mips/configs/tb0287_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:13 2007 +# Tue Feb 20 21:47:41 2007 # CONFIG_MIPS=y @@ -409,6 +409,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -675,6 +676,7 @@ CONFIG_R8169=y # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -1016,6 +1018,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set diff --git a/arch/mips/configs/workpad_defconfig b/arch/mips/configs/workpad_defconfig index 570f0c1475b..2abbd682772 100644 --- a/arch/mips/configs/workpad_defconfig +++ b/arch/mips/configs/workpad_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:13 2007 +# Tue Feb 20 21:47:42 2007 # CONFIG_MIPS=y @@ -396,6 +396,7 @@ CONFIG_CONNECTOR=m # Plug and Play support # # CONFIG_PNP is not set +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/wrppmc_defconfig b/arch/mips/configs/wrppmc_defconfig index 08f3190dda8..44b6b7c1fdb 100644 --- a/arch/mips/configs/wrppmc_defconfig +++ b/arch/mips/configs/wrppmc_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:14 2007 +# Tue Feb 20 21:47:42 2007 # CONFIG_MIPS=y @@ -400,6 +400,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/configs/yosemite_defconfig b/arch/mips/configs/yosemite_defconfig index aa69fee321d..f24e1c6fc48 100644 --- a/arch/mips/configs/yosemite_defconfig +++ b/arch/mips/configs/yosemite_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:28:15 2007 +# Tue Feb 20 21:47:42 2007 # CONFIG_MIPS=y @@ -381,6 +381,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -841,6 +842,7 @@ CONFIG_CROSSCOMPILE=y CONFIG_CMDLINE="" # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_KGDB is not set +CONFIG_SYS_SUPPORTS_KGDB=y # CONFIG_RUNTIME_DEBUG is not set # diff --git a/arch/mips/defconfig b/arch/mips/defconfig index 6c2a233e36c..8cb8f591919 100644 --- a/arch/mips/defconfig +++ b/arch/mips/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.20 -# Sun Feb 18 21:27:34 2007 +# Tue Feb 20 21:47:14 2007 # CONFIG_MIPS=y @@ -620,6 +620,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index c0b089d4718..222de465db7 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -64,6 +64,9 @@ void output_ptreg_defines(void) offset("#define PT_R31 ", struct pt_regs, regs[31]); offset("#define PT_LO ", struct pt_regs, lo); offset("#define PT_HI ", struct pt_regs, hi); +#ifdef CONFIG_CPU_HAS_SMARTMIPS + offset("#define PT_ACX ", struct pt_regs, acx); +#endif offset("#define PT_EPC ", struct pt_regs, cp0_epc); offset("#define PT_BVADDR ", struct pt_regs, cp0_badvaddr); offset("#define PT_STATUS ", struct pt_regs, cp0_status); @@ -246,6 +249,7 @@ void output_sc_defines(void) text("/* Linux sigcontext offsets. */"); offset("#define SC_REGS ", struct sigcontext, sc_regs); offset("#define SC_FPREGS ", struct sigcontext, sc_fpregs); + offset("#define SC_ACX ", struct sigcontext, sc_acx); offset("#define SC_MDHI ", struct sigcontext, sc_mdhi); offset("#define SC_MDLO ", struct sigcontext, sc_mdlo); offset("#define SC_PC ", struct sigcontext, sc_pc); diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 258d74fd0b6..201ae194d1b 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -236,6 +236,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case MMLO: tmp = regs->lo; break; +#ifdef CONFIG_CPU_HAS_SMARTMIPS + case ACX: + tmp = regs->acx; + break; +#endif case FPC_CSR: tmp = child->thread.fpu.fcr31; break; @@ -362,6 +367,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case MMLO: regs->lo = data; break; +#ifdef CONFIG_CPU_HAS_SMARTMIPS + case ACX: + regs->acx = data; + break; +#endif case FPC_CSR: child->thread.fpu.fcr31 = data; break; diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index adbfb95e42d..f091786187a 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -89,6 +89,9 @@ int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) for (i = 1; i < 32; i++) err |= __put_user(regs->regs[i], &sc->sc_regs[i]); +#ifdef CONFIG_CPU_HAS_SMARTMIPS + err |= __put_user(regs->acx, &sc->sc_acx); +#endif err |= __put_user(regs->hi, &sc->sc_mdhi); err |= __put_user(regs->lo, &sc->sc_mdlo); if (cpu_has_dsp) { @@ -132,6 +135,10 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) current_thread_info()->restart_block.fn = do_no_restart_syscall; err |= __get_user(regs->cp0_epc, &sc->sc_pc); + +#ifdef CONFIG_CPU_HAS_SMARTMIPS + err |= __get_user(regs->acx, &sc->sc_acx); +#endif err |= __get_user(regs->hi, &sc->sc_mdhi); err |= __get_user(regs->lo, &sc->sc_mdlo); if (cpu_has_dsp) { diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 0555fc554f6..c46e479c992 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -51,31 +51,14 @@ int __cpu_logical_map[NR_CPUS]; /* Map logical to physical */ EXPORT_SYMBOL(phys_cpu_present_map); EXPORT_SYMBOL(cpu_online_map); +/* This happens early in bootup, can't really do it better */ static void smp_tune_scheduling (void) { struct cache_desc *cd = ¤t_cpu_data.scache; - unsigned long cachesize; /* kB */ - unsigned long cpu_khz; + unsigned long cachesize = cd->linesz * cd->sets * cd->ways; - /* - * Crude estimate until we actually meassure ... - */ - cpu_khz = loops_per_jiffy * 2 * HZ / 1000; - - /* - * Rough estimation for SMP scheduling, this is the number of - * cycles it takes for a fully memory-limited process to flush - * the SMP-local cache. - * - * (For a P5 this pretty much means we will choose another idle - * CPU almost always at wakeup time (this is due to the small - * L1 cache), on PIIs it's around 50-100 usecs, depending on - * the cache size) - */ - if (!cpu_khz) - return; - - cachesize = cd->linesz * cd->sets * cd->ways; + if (cachesize > max_cache_size) + max_cache_size = cachesize; } extern void __init calibrate_delay(void); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 2aa208b99da..18f56a9dbcf 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -229,6 +229,9 @@ void show_regs(struct pt_regs *regs) printk("\n"); } +#ifdef CONFIG_CPU_HAS_SMARTMIPS + printk("Acx : %0*lx\n", field, regs->acx); +#endif printk("Hi : %0*lx\n", field, regs->hi); printk("Lo : %0*lx\n", field, regs->lo); diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c index fc2c96f0a1f..cea7d0ea36e 100644 --- a/arch/mips/mm/ioremap.c +++ b/arch/mips/mm/ioremap.c @@ -6,13 +6,98 @@ * (C) Copyright 1995 1996 Linus Torvalds * (C) Copyright 2001, 2002 Ralf Baechle */ -#include <linux/mm.h> #include <linux/module.h> #include <asm/addrspace.h> #include <asm/byteorder.h> #include <linux/vmalloc.h> -#include <linux/io.h> +#include <asm/cacheflush.h> +#include <asm/io.h> +#include <asm/tlbflush.h> + +static inline void remap_area_pte(pte_t * pte, unsigned long address, + phys_t size, phys_t phys_addr, unsigned long flags) +{ + phys_t end; + unsigned long pfn; + pgprot_t pgprot = __pgprot(_PAGE_GLOBAL | _PAGE_PRESENT | __READABLE + | __WRITEABLE | flags); + + address &= ~PMD_MASK; + end = address + size; + if (end > PMD_SIZE) + end = PMD_SIZE; + if (address >= end) + BUG(); + pfn = phys_addr >> PAGE_SHIFT; + do { + if (!pte_none(*pte)) { + printk("remap_area_pte: page already exists\n"); + BUG(); + } + set_pte(pte, pfn_pte(pfn, pgprot)); + address += PAGE_SIZE; + pfn++; + pte++; + } while (address && (address < end)); +} + +static inline int remap_area_pmd(pmd_t * pmd, unsigned long address, + phys_t size, phys_t phys_addr, unsigned long flags) +{ + phys_t end; + + address &= ~PGDIR_MASK; + end = address + size; + if (end > PGDIR_SIZE) + end = PGDIR_SIZE; + phys_addr -= address; + if (address >= end) + BUG(); + do { + pte_t * pte = pte_alloc_kernel(pmd, address); + if (!pte) + return -ENOMEM; + remap_area_pte(pte, address, end - address, address + phys_addr, flags); + address = (address + PMD_SIZE) & PMD_MASK; + pmd++; + } while (address && (address < end)); + return 0; +} + +static int remap_area_pages(unsigned long address, phys_t phys_addr, + phys_t size, unsigned long flags) +{ + int error; + pgd_t * dir; + unsigned long end = address + size; + + phys_addr -= address; + dir = pgd_offset(&init_mm, address); + flush_cache_all(); + if (address >= end) + BUG(); + do { + pud_t *pud; + pmd_t *pmd; + + error = -ENOMEM; + pud = pud_alloc(&init_mm, dir, address); + if (!pud) + break; + pmd = pmd_alloc(&init_mm, pud, address); + if (!pmd) + break; + if (remap_area_pmd(pmd, address, end - address, + phys_addr + address, flags)) + break; + error = 0; + address = (address + PGDIR_SIZE) & PGDIR_MASK; + dir++; + } while (address && (address < end)); + flush_tlb_all(); + return error; +} /* * Generic mapping function (not visible outside): @@ -36,7 +121,6 @@ void __iomem * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags) unsigned long offset; phys_t last_addr; void * addr; - pgprot_t pgprot; phys_addr = fixup_bigphys_addr(phys_addr, size); @@ -68,9 +152,6 @@ void __iomem * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags) return NULL; } - pgprot = __pgprot(_PAGE_GLOBAL | _PAGE_PRESENT | __READABLE - | __WRITEABLE | flags); - /* * Mappings have to be page-aligned */ @@ -85,8 +166,7 @@ void __iomem * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags) if (!area) return NULL; addr = area->addr; - if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size, - phys_addr, pgprot)) { + if (remap_area_pages((unsigned long) addr, phys_addr, size, flags)) { vunmap(addr); return NULL; } diff --git a/arch/mips/momentum/jaguar_atx/platform.c b/arch/mips/momentum/jaguar_atx/platform.c index c78ba3025af..3df36eda75a 100644 --- a/arch/mips/momentum/jaguar_atx/platform.c +++ b/arch/mips/momentum/jaguar_atx/platform.c @@ -200,7 +200,7 @@ static int __init mv643xx_eth_add_pds(void) int ret; get_mac(mac); - eth_mac_add(eth1_mac_addr, mac, 0); + eth_mac_add(eth0_mac_addr, mac, 0); eth_mac_add(eth1_mac_addr, mac, 1); eth_mac_add(eth2_mac_addr, mac, 2); ret = platform_add_devices(mv643xx_eth_pd_devs, diff --git a/arch/mips/momentum/ocelot_3/platform.c b/arch/mips/momentum/ocelot_3/platform.c index 0ab8d231cf7..024aef25f37 100644 --- a/arch/mips/momentum/ocelot_3/platform.c +++ b/arch/mips/momentum/ocelot_3/platform.c @@ -200,7 +200,7 @@ static int __init mv643xx_eth_add_pds(void) int ret; get_mac(mac); - eth_mac_add(eth1_mac_addr, mac, 0); + eth_mac_add(eth0_mac_addr, mac, 0); eth_mac_add(eth1_mac_addr, mac, 1); eth_mac_add(eth2_mac_addr, mac, 2); ret = platform_add_devices(mv643xx_eth_pd_devs, diff --git a/arch/mips/momentum/ocelot_c/platform.c b/arch/mips/momentum/ocelot_c/platform.c index 8e381d44757..fac8b249938 100644 --- a/arch/mips/momentum/ocelot_c/platform.c +++ b/arch/mips/momentum/ocelot_c/platform.c @@ -174,7 +174,7 @@ static int __init mv643xx_eth_add_pds(void) int ret; get_mac(mac); - eth_mac_add(eth1_mac_addr, mac, 0); + eth_mac_add(eth0_mac_addr, mac, 0); eth_mac_add(eth1_mac_addr, mac, 1); ret = platform_add_devices(mv643xx_eth_pd_devs, ARRAY_SIZE(mv643xx_eth_pd_devs)); diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 0f44a6a6675..59eef403c60 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Sun Feb 11 23:47:40 2007 +# Linux kernel version: 2.6.21-rc1 +# Mon Feb 26 10:45:21 2007 # CONFIG_SPARC=y CONFIG_SPARC64=y @@ -41,6 +41,7 @@ CONFIG_LOCALVERSION="" CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set @@ -322,6 +323,7 @@ CONFIG_CONNECTOR=m # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -787,6 +789,7 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PASEMI is not set # CONFIG_I2C_PROSAVAGE is not set # CONFIG_I2C_SAVAGE4 is not set # CONFIG_I2C_SIS5595 is not set @@ -833,6 +836,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -874,6 +878,11 @@ CONFIG_HWMON=y # CONFIG_HWMON_DEBUG_CHIP is not set # +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -887,16 +896,22 @@ CONFIG_HWMON=y # # Graphics support # -# CONFIG_FIRMWARE_EDID is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set CONFIG_FB_DDC=y CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y + +# +# Frambuffer hardware drivers +# # CONFIG_FB_CIRRUS is not set # CONFIG_FB_PM2 is not set # CONFIG_FB_ASILIANT is not set @@ -908,9 +923,11 @@ CONFIG_FB_TILEBLITTING=y # CONFIG_FB_MATROX is not set CONFIG_FB_RADEON=y CONFIG_FB_RADEON_I2C=y +# CONFIG_FB_RADEON_BACKLIGHT is not set # CONFIG_FB_RADEON_DEBUG is not set # CONFIG_FB_ATY128 is not set # CONFIG_FB_ATY is not set +# CONFIG_FB_S3 is not set # CONFIG_FB_SAVAGE is not set # CONFIG_FB_SIS is not set # CONFIG_FB_NEOMAGIC is not set @@ -947,7 +964,6 @@ CONFIG_LOGO=y # CONFIG_LOGO_LINUX_VGA16 is not set # CONFIG_LOGO_LINUX_CLUT224 is not set CONFIG_LOGO_SUN_CLUT224=y -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -1192,6 +1208,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -1445,9 +1462,11 @@ CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set CONFIG_LOG_BUF_SHIFT=18 CONFIG_DETECT_SOFTLOCKUP=y CONFIG_SCHEDSTATS=y +# CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set @@ -1465,6 +1484,7 @@ CONFIG_DEBUG_BUGVERBOSE=y CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set +# CONFIG_FAULT_INJECTION is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_DCFLUSH is not set # CONFIG_STACK_DEBUG is not set diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index b5ff3ee5ace..c443db18437 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -109,6 +109,7 @@ static unsigned char virt_irq_alloc(unsigned int real_irq) return ent; } +#ifdef CONFIG_PCI_MSI static void virt_irq_free(unsigned int virt_irq) { unsigned int real_irq; @@ -121,6 +122,7 @@ static void virt_irq_free(unsigned int virt_irq) __bucket(real_irq)->virt_irq = 0; } +#endif static unsigned int virt_to_real_irq(unsigned char virt_irq) { diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 6b740eb6fe7..6fedfb98f8b 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -668,7 +668,7 @@ int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) void arch_teardown_msi_irq(unsigned int virt_irq) { - struct msi_desc *entry = get_irq_data(virt_irq); + struct msi_desc *entry = get_irq_msi(virt_irq); struct pci_dev *pdev = entry->dev; struct pcidev_cookie *pcp = pdev->sysdata; struct pci_pbm_info *pbm = pcp->pbm; diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index 9f5dac64aa8..ed4350ced3d 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -675,6 +675,9 @@ END(invalidate_interrupt\num) ENTRY(call_function_interrupt) apicinterrupt CALL_FUNCTION_VECTOR,smp_call_function_interrupt END(call_function_interrupt) +ENTRY(irq_move_cleanup_interrupt) + apicinterrupt IRQ_MOVE_CLEANUP_VECTOR,smp_irq_move_cleanup_interrupt +END(irq_move_cleanup_interrupt) #endif ENTRY(apic_timer_interrupt) diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c index 01e2cf0bdeb..21d95b74743 100644 --- a/arch/x86_64/kernel/i8259.c +++ b/arch/x86_64/kernel/i8259.c @@ -299,7 +299,7 @@ void init_8259A(int auto_eoi) * outb_p - this has to work on a wide range of PC hardware. */ outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */ - outb_p(0x20 + 0, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */ + outb_p(IRQ0_VECTOR, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */ outb_p(0x04, 0x21); /* 8259A-1 (the master) has a slave on IR2 */ if (auto_eoi) outb_p(0x03, 0x21); /* master does Auto EOI */ @@ -307,7 +307,7 @@ void init_8259A(int auto_eoi) outb_p(0x01, 0x21); /* master expects normal EOI */ outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */ - outb_p(0x20 + 8, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */ + outb_p(IRQ8_VECTOR, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */ outb_p(0x02, 0xA1); /* 8259A-2 is a slave on master's IR2 */ outb_p(0x01, 0xA1); /* (slave's support for AEOI in flat mode is to be investigated) */ @@ -398,24 +398,24 @@ device_initcall(i8259A_init_sysfs); static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL}; DEFINE_PER_CPU(vector_irq_t, vector_irq) = { - [0 ... FIRST_EXTERNAL_VECTOR - 1] = -1, - [FIRST_EXTERNAL_VECTOR + 0] = 0, - [FIRST_EXTERNAL_VECTOR + 1] = 1, - [FIRST_EXTERNAL_VECTOR + 2] = 2, - [FIRST_EXTERNAL_VECTOR + 3] = 3, - [FIRST_EXTERNAL_VECTOR + 4] = 4, - [FIRST_EXTERNAL_VECTOR + 5] = 5, - [FIRST_EXTERNAL_VECTOR + 6] = 6, - [FIRST_EXTERNAL_VECTOR + 7] = 7, - [FIRST_EXTERNAL_VECTOR + 8] = 8, - [FIRST_EXTERNAL_VECTOR + 9] = 9, - [FIRST_EXTERNAL_VECTOR + 10] = 10, - [FIRST_EXTERNAL_VECTOR + 11] = 11, - [FIRST_EXTERNAL_VECTOR + 12] = 12, - [FIRST_EXTERNAL_VECTOR + 13] = 13, - [FIRST_EXTERNAL_VECTOR + 14] = 14, - [FIRST_EXTERNAL_VECTOR + 15] = 15, - [FIRST_EXTERNAL_VECTOR + 16 ... NR_VECTORS - 1] = -1 + [0 ... IRQ0_VECTOR - 1] = -1, + [IRQ0_VECTOR] = 0, + [IRQ1_VECTOR] = 1, + [IRQ2_VECTOR] = 2, + [IRQ3_VECTOR] = 3, + [IRQ4_VECTOR] = 4, + [IRQ5_VECTOR] = 5, + [IRQ6_VECTOR] = 6, + [IRQ7_VECTOR] = 7, + [IRQ8_VECTOR] = 8, + [IRQ9_VECTOR] = 9, + [IRQ10_VECTOR] = 10, + [IRQ11_VECTOR] = 11, + [IRQ12_VECTOR] = 12, + [IRQ13_VECTOR] = 13, + [IRQ14_VECTOR] = 14, + [IRQ15_VECTOR] = 15, + [IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1 }; void __init init_ISA_irqs (void) @@ -450,6 +450,7 @@ void spurious_interrupt(void); void error_interrupt(void); void reschedule_interrupt(void); void call_function_interrupt(void); +void irq_move_cleanup_interrupt(void); void invalidate_interrupt0(void); void invalidate_interrupt1(void); void invalidate_interrupt2(void); @@ -520,12 +521,6 @@ void __init init_IRQ(void) #ifdef CONFIG_SMP /* - * IRQ0 must be given a fixed assignment and initialized, - * because it's used before the IO-APIC is set up. - */ - __get_cpu_var(vector_irq)[FIRST_DEVICE_VECTOR] = 0; - - /* * The reschedule interrupt is a CPU-to-CPU reschedule-helper * IPI, driven by wakeup. */ @@ -543,7 +538,10 @@ void __init init_IRQ(void) /* IPI for generic function call */ set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); -#endif + + /* Low priority IPI to cleanup after moving an irq */ + set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt); +#endif set_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); set_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt); diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 950682f3576..48593f6b708 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -36,6 +36,7 @@ #include <acpi/acpi_bus.h> #endif +#include <asm/idle.h> #include <asm/io.h> #include <asm/smp.h> #include <asm/desc.h> @@ -47,7 +48,35 @@ #include <asm/msidef.h> #include <asm/hypertransport.h> -static int assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result); +struct irq_cfg { + cpumask_t domain; + cpumask_t old_domain; + unsigned move_cleanup_count; + u8 vector; + u8 move_in_progress : 1; +}; + +/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ +struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = { + [0] = { .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, + [1] = { .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, }, + [2] = { .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, }, + [3] = { .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR, }, + [4] = { .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR, }, + [5] = { .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR, }, + [6] = { .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR, }, + [7] = { .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR, }, + [8] = { .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR, }, + [9] = { .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR, }, + [10] = { .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, }, + [11] = { .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, }, + [12] = { .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, }, + [13] = { .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, }, + [14] = { .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, }, + [15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, +}; + +static int assign_irq_vector(int irq, cpumask_t mask); #define __apicdebuginit __init @@ -74,7 +103,7 @@ int nr_ioapic_registers[MAX_IO_APICS]; * Rough estimation of how many shared IRQs there are, can * be changed anytime. */ -#define MAX_PLUS_SHARED_IRQS NR_IRQ_VECTORS +#define MAX_PLUS_SHARED_IRQS NR_IRQS #define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS) /* @@ -149,11 +178,11 @@ static inline void io_apic_sync(unsigned int apic) reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ reg ACTION; \ io_apic_modify(entry->apic, reg); \ + FINAL; \ if (!entry->next) \ break; \ entry = irq_2_pin + entry->next; \ } \ - FINAL; \ } union entry_union { @@ -237,21 +266,19 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) { + struct irq_cfg *cfg = irq_cfg + irq; unsigned long flags; unsigned int dest; cpumask_t tmp; - int vector; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) - tmp = TARGET_CPUS; - - cpus_and(mask, tmp, CPU_MASK_ALL); + return; - vector = assign_irq_vector(irq, mask, &tmp); - if (vector < 0) + if (assign_irq_vector(irq, mask)) return; + cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); /* @@ -260,8 +287,8 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) dest = SET_APIC_LOGICAL_ID(dest); spin_lock_irqsave(&ioapic_lock, flags); - __target_IO_APIC_irq(irq, dest, vector); - set_native_irq_info(irq, mask); + __target_IO_APIC_irq(irq, dest, cfg->vector); + irq_desc[irq].affinity = mask; spin_unlock_irqrestore(&ioapic_lock, flags); } #endif @@ -615,63 +642,7 @@ static int pin_2_irq(int idx, int apic, int pin) return irq; } -static inline int IO_APIC_irq_trigger(int irq) -{ - int apic, idx, pin; - - for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - idx = find_irq_entry(apic,pin,mp_INT); - if ((idx != -1) && (irq == pin_2_irq(idx,apic,pin))) - return irq_trigger(idx); - } - } - /* - * nonexistent IRQs are edge default - */ - return 0; -} - -/* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */ -static u8 irq_vector[NR_IRQ_VECTORS] __read_mostly = { - [0] = FIRST_EXTERNAL_VECTOR + 0, - [1] = FIRST_EXTERNAL_VECTOR + 1, - [2] = FIRST_EXTERNAL_VECTOR + 2, - [3] = FIRST_EXTERNAL_VECTOR + 3, - [4] = FIRST_EXTERNAL_VECTOR + 4, - [5] = FIRST_EXTERNAL_VECTOR + 5, - [6] = FIRST_EXTERNAL_VECTOR + 6, - [7] = FIRST_EXTERNAL_VECTOR + 7, - [8] = FIRST_EXTERNAL_VECTOR + 8, - [9] = FIRST_EXTERNAL_VECTOR + 9, - [10] = FIRST_EXTERNAL_VECTOR + 10, - [11] = FIRST_EXTERNAL_VECTOR + 11, - [12] = FIRST_EXTERNAL_VECTOR + 12, - [13] = FIRST_EXTERNAL_VECTOR + 13, - [14] = FIRST_EXTERNAL_VECTOR + 14, - [15] = FIRST_EXTERNAL_VECTOR + 15, -}; - -static cpumask_t irq_domain[NR_IRQ_VECTORS] __read_mostly = { - [0] = CPU_MASK_ALL, - [1] = CPU_MASK_ALL, - [2] = CPU_MASK_ALL, - [3] = CPU_MASK_ALL, - [4] = CPU_MASK_ALL, - [5] = CPU_MASK_ALL, - [6] = CPU_MASK_ALL, - [7] = CPU_MASK_ALL, - [8] = CPU_MASK_ALL, - [9] = CPU_MASK_ALL, - [10] = CPU_MASK_ALL, - [11] = CPU_MASK_ALL, - [12] = CPU_MASK_ALL, - [13] = CPU_MASK_ALL, - [14] = CPU_MASK_ALL, - [15] = CPU_MASK_ALL, -}; - -static int __assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result) +static int __assign_irq_vector(int irq, cpumask_t mask) { /* * NOTE! The local APIC isn't very good at handling @@ -685,20 +656,25 @@ static int __assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result) * 0x80, because int 0x80 is hm, kind of importantish. ;) */ static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0; - int old_vector = -1; + unsigned int old_vector; int cpu; + struct irq_cfg *cfg; - BUG_ON((unsigned)irq >= NR_IRQ_VECTORS); + BUG_ON((unsigned)irq >= NR_IRQS); + cfg = &irq_cfg[irq]; /* Only try and allocate irqs on cpus that are present */ cpus_and(mask, mask, cpu_online_map); - if (irq_vector[irq] > 0) - old_vector = irq_vector[irq]; - if (old_vector > 0) { - cpus_and(*result, irq_domain[irq], mask); - if (!cpus_empty(*result)) - return old_vector; + if ((cfg->move_in_progress) || cfg->move_cleanup_count) + return -EBUSY; + + old_vector = cfg->vector; + if (old_vector) { + cpumask_t tmp; + cpus_and(tmp, cfg->domain, mask); + if (!cpus_empty(tmp)) + return 0; } for_each_cpu_mask(cpu, mask) { @@ -728,48 +704,47 @@ next: /* Found one! */ current_vector = vector; current_offset = offset; - if (old_vector >= 0) { - cpumask_t old_mask; - int old_cpu; - cpus_and(old_mask, irq_domain[irq], cpu_online_map); - for_each_cpu_mask(old_cpu, old_mask) - per_cpu(vector_irq, old_cpu)[old_vector] = -1; + if (old_vector) { + cfg->move_in_progress = 1; + cfg->old_domain = cfg->domain; } for_each_cpu_mask(new_cpu, new_mask) per_cpu(vector_irq, new_cpu)[vector] = irq; - irq_vector[irq] = vector; - irq_domain[irq] = domain; - cpus_and(*result, domain, mask); - return vector; + cfg->vector = vector; + cfg->domain = domain; + return 0; } return -ENOSPC; } -static int assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result) +static int assign_irq_vector(int irq, cpumask_t mask) { - int vector; + int err; unsigned long flags; spin_lock_irqsave(&vector_lock, flags); - vector = __assign_irq_vector(irq, mask, result); + err = __assign_irq_vector(irq, mask); spin_unlock_irqrestore(&vector_lock, flags); - return vector; + return err; } static void __clear_irq_vector(int irq) { + struct irq_cfg *cfg; cpumask_t mask; int cpu, vector; - BUG_ON(!irq_vector[irq]); + BUG_ON((unsigned)irq >= NR_IRQS); + cfg = &irq_cfg[irq]; + BUG_ON(!cfg->vector); - vector = irq_vector[irq]; - cpus_and(mask, irq_domain[irq], cpu_online_map); + vector = cfg->vector; + cpus_and(mask, cfg->domain, cpu_online_map); for_each_cpu_mask(cpu, mask) per_cpu(vector_irq, cpu)[vector] = -1; - irq_vector[irq] = 0; - irq_domain[irq] = CPU_MASK_NONE; + cfg->vector = 0; + cfg->domain = CPU_MASK_NONE; } void __setup_vector_irq(int cpu) @@ -779,10 +754,10 @@ void __setup_vector_irq(int cpu) int irq, vector; /* Mark the inuse vectors */ - for (irq = 0; irq < NR_IRQ_VECTORS; ++irq) { - if (!cpu_isset(cpu, irq_domain[irq])) + for (irq = 0; irq < NR_IRQS; ++irq) { + if (!cpu_isset(cpu, irq_cfg[irq].domain)) continue; - vector = irq_vector[irq]; + vector = irq_cfg[irq].vector; per_cpu(vector_irq, cpu)[vector] = irq; } /* Mark the free vectors */ @@ -790,36 +765,46 @@ void __setup_vector_irq(int cpu) irq = per_cpu(vector_irq, cpu)[vector]; if (irq < 0) continue; - if (!cpu_isset(cpu, irq_domain[irq])) + if (!cpu_isset(cpu, irq_cfg[irq].domain)) per_cpu(vector_irq, cpu)[vector] = -1; } } -extern void (*interrupt[NR_IRQS])(void); - static struct irq_chip ioapic_chip; -#define IOAPIC_AUTO -1 -#define IOAPIC_EDGE 0 -#define IOAPIC_LEVEL 1 - -static void ioapic_register_intr(int irq, int vector, unsigned long trigger) +static void ioapic_register_intr(int irq, unsigned long trigger) { - if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) + if (trigger) set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_fasteoi_irq, "fasteoi"); else set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_edge_irq, "edge"); } -static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq) + +static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, + int trigger, int polarity) { + struct irq_cfg *cfg = irq_cfg + irq; struct IO_APIC_route_entry entry; - int vector; + cpumask_t mask; unsigned long flags; + if (!IO_APIC_IRQ(irq)) + return; + + mask = TARGET_CPUS; + if (assign_irq_vector(irq, mask)) + return; + + cpus_and(mask, cfg->domain, mask); + + apic_printk(APIC_VERBOSE,KERN_DEBUG + "IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> " + "IRQ %d Mode:%i Active:%i)\n", + apic, mp_ioapics[apic].mpc_apicid, pin, cfg->vector, + irq, trigger, polarity); /* * add it to the IO-APIC irq-routing table: @@ -828,41 +813,27 @@ static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq) entry.delivery_mode = INT_DELIVERY_MODE; entry.dest_mode = INT_DEST_MODE; + entry.dest = cpu_mask_to_apicid(mask); entry.mask = 0; /* enable IRQ */ - entry.dest = cpu_mask_to_apicid(TARGET_CPUS); - - entry.trigger = irq_trigger(idx); - entry.polarity = irq_polarity(idx); + entry.trigger = trigger; + entry.polarity = polarity; + entry.vector = cfg->vector; - if (irq_trigger(idx)) { - entry.trigger = 1; + /* Mask level triggered irqs. + * Use IRQ_DELAYED_DISABLE for edge triggered irqs. + */ + if (trigger) entry.mask = 1; - entry.dest = cpu_mask_to_apicid(TARGET_CPUS); - } - - if (!apic && !IO_APIC_IRQ(irq)) - return; - - if (IO_APIC_IRQ(irq)) { - cpumask_t mask; - vector = assign_irq_vector(irq, TARGET_CPUS, &mask); - if (vector < 0) - return; - - entry.dest = cpu_mask_to_apicid(mask); - entry.vector = vector; - ioapic_register_intr(irq, vector, IOAPIC_AUTO); - if (!apic && (irq < 16)) - disable_8259A_irq(irq); - } + ioapic_register_intr(irq, trigger); + if (irq < 16) + disable_8259A_irq(irq); ioapic_write_entry(apic, pin, entry); spin_lock_irqsave(&ioapic_lock, flags); - set_native_irq_info(irq, TARGET_CPUS); + irq_desc[irq].affinity = TARGET_CPUS; spin_unlock_irqrestore(&ioapic_lock, flags); - } static void __init setup_IO_APIC_irqs(void) @@ -887,8 +858,8 @@ static void __init setup_IO_APIC_irqs(void) irq = pin_2_irq(idx, apic, pin); add_pin_to_irq(irq, apic, pin); - setup_IO_APIC_irq(apic, pin, idx, irq); - + setup_IO_APIC_irq(apic, pin, irq, + irq_trigger(idx), irq_polarity(idx)); } } @@ -1373,16 +1344,15 @@ static unsigned int startup_ioapic_irq(unsigned int irq) static int ioapic_retrigger_irq(unsigned int irq) { + struct irq_cfg *cfg = &irq_cfg[irq]; cpumask_t mask; - unsigned vector; unsigned long flags; spin_lock_irqsave(&vector_lock, flags); - vector = irq_vector[irq]; cpus_clear(mask); - cpu_set(first_cpu(irq_domain[irq]), mask); + cpu_set(first_cpu(cfg->domain), mask); - send_IPI_mask(mask, vector); + send_IPI_mask(mask, cfg->vector); spin_unlock_irqrestore(&vector_lock, flags); return 1; @@ -1397,8 +1367,68 @@ static int ioapic_retrigger_irq(unsigned int irq) * races. */ +#ifdef CONFIG_SMP +asmlinkage void smp_irq_move_cleanup_interrupt(void) +{ + unsigned vector, me; + ack_APIC_irq(); + exit_idle(); + irq_enter(); + + me = smp_processor_id(); + for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { + unsigned int irq; + struct irq_desc *desc; + struct irq_cfg *cfg; + irq = __get_cpu_var(vector_irq)[vector]; + if (irq >= NR_IRQS) + continue; + + desc = irq_desc + irq; + cfg = irq_cfg + irq; + spin_lock(&desc->lock); + if (!cfg->move_cleanup_count) + goto unlock; + + if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) + goto unlock; + + __get_cpu_var(vector_irq)[vector] = -1; + cfg->move_cleanup_count--; +unlock: + spin_unlock(&desc->lock); + } + + irq_exit(); +} + +static void irq_complete_move(unsigned int irq) +{ + struct irq_cfg *cfg = irq_cfg + irq; + unsigned vector, me; + + if (likely(!cfg->move_in_progress)) + return; + + vector = ~get_irq_regs()->orig_rax; + me = smp_processor_id(); + if ((vector == cfg->vector) && + cpu_isset(smp_processor_id(), cfg->domain)) { + cpumask_t cleanup_mask; + + cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); + cfg->move_cleanup_count = cpus_weight(cleanup_mask); + send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); + cfg->move_in_progress = 0; + } +} +#else +static inline void irq_complete_move(unsigned int irq) {} +#endif + static void ack_apic_edge(unsigned int irq) { + irq_complete_move(irq); move_native_irq(irq); ack_APIC_irq(); } @@ -1407,6 +1437,7 @@ static void ack_apic_level(unsigned int irq) { int do_unmask_irq = 0; + irq_complete_move(irq); #if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE) /* If we are moving the irq we need to mask it */ if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) { @@ -1457,7 +1488,7 @@ static inline void init_IO_APIC_traps(void) */ for (irq = 0; irq < NR_IRQS ; irq++) { int tmp = irq; - if (IO_APIC_IRQ(tmp) && !irq_vector[tmp]) { + if (IO_APIC_IRQ(tmp) && !irq_cfg[tmp].vector) { /* * Hmm.. We don't have an entry for this, * so default to an old-fashioned 8259 @@ -1596,15 +1627,14 @@ static inline void unlock_ExtINT_logic(void) */ static inline void check_timer(void) { + struct irq_cfg *cfg = irq_cfg + 0; int apic1, pin1, apic2, pin2; - int vector; - cpumask_t mask; /* * get/set the timer IRQ vector: */ disable_8259A_irq(0); - vector = assign_irq_vector(0, TARGET_CPUS, &mask); + assign_irq_vector(0, TARGET_CPUS); /* * Subtle, code in do_timer_interrupt() expects an AEOI @@ -1624,7 +1654,7 @@ static inline void check_timer(void) apic2 = ioapic_i8259.apic; apic_printk(APIC_VERBOSE,KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", - vector, apic1, pin1, apic2, pin2); + cfg->vector, apic1, pin1, apic2, pin2); if (pin1 != -1) { /* @@ -1655,7 +1685,7 @@ static inline void check_timer(void) /* * legacy devices should be connected to IO APIC #0 */ - setup_ExtINT_IRQ0_pin(apic2, pin2, vector); + setup_ExtINT_IRQ0_pin(apic2, pin2, cfg->vector); if (timer_irq_works()) { apic_printk(APIC_VERBOSE," works.\n"); nmi_watchdog_default(); @@ -1680,14 +1710,14 @@ static inline void check_timer(void) disable_8259A_irq(0); irq_desc[0].chip = &lapic_irq_type; - apic_write(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */ + apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector); /* Fixed mode */ enable_8259A_irq(0); if (timer_irq_works()) { apic_printk(APIC_VERBOSE," works.\n"); return; } - apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector); + apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector); apic_printk(APIC_VERBOSE," failed.\n"); apic_printk(APIC_VERBOSE, KERN_INFO "...trying to set up timer as ExtINT IRQ..."); @@ -1834,19 +1864,16 @@ int create_irq(void) /* Allocate an unused irq */ int irq; int new; - int vector = 0; unsigned long flags; - cpumask_t mask; irq = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); for (new = (NR_IRQS - 1); new >= 0; new--) { if (platform_legacy_irq(new)) continue; - if (irq_vector[new] != 0) + if (irq_cfg[new].vector != 0) continue; - vector = __assign_irq_vector(new, TARGET_CPUS, &mask); - if (likely(vector > 0)) + if (__assign_irq_vector(new, TARGET_CPUS) == 0) irq = new; break; } @@ -1875,12 +1902,15 @@ void destroy_irq(unsigned int irq) #ifdef CONFIG_PCI_MSI static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg) { - int vector; + struct irq_cfg *cfg = irq_cfg + irq; + int err; unsigned dest; cpumask_t tmp; - vector = assign_irq_vector(irq, TARGET_CPUS, &tmp); - if (vector >= 0) { + tmp = TARGET_CPUS; + err = assign_irq_vector(irq, tmp); + if (!err) { + cpus_and(tmp, cfg->domain, tmp); dest = cpu_mask_to_apicid(tmp); msg->address_hi = MSI_ADDR_BASE_HI; @@ -1900,40 +1930,38 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms ((INT_DELIVERY_MODE != dest_LowestPrio) ? MSI_DATA_DELIVERY_FIXED: MSI_DATA_DELIVERY_LOWPRI) | - MSI_DATA_VECTOR(vector); + MSI_DATA_VECTOR(cfg->vector); } - return vector; + return err; } #ifdef CONFIG_SMP static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) { + struct irq_cfg *cfg = irq_cfg + irq; struct msi_msg msg; unsigned int dest; cpumask_t tmp; - int vector; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) - tmp = TARGET_CPUS; - - cpus_and(mask, tmp, CPU_MASK_ALL); + return; - vector = assign_irq_vector(irq, mask, &tmp); - if (vector < 0) + if (assign_irq_vector(irq, mask)) return; + cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); read_msi_msg(irq, &msg); msg.data &= ~MSI_DATA_VECTOR_MASK; - msg.data |= MSI_DATA_VECTOR(vector); + msg.data |= MSI_DATA_VECTOR(cfg->vector); msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK; msg.address_lo |= MSI_ADDR_DEST_ID(dest); write_msi_msg(irq, &msg); - set_native_irq_info(irq, mask); + irq_desc[irq].affinity = mask; } #endif /* CONFIG_SMP */ @@ -2004,24 +2032,22 @@ static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector) static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) { + struct irq_cfg *cfg = irq_cfg + irq; unsigned int dest; cpumask_t tmp; - int vector; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) - tmp = TARGET_CPUS; - - cpus_and(mask, tmp, CPU_MASK_ALL); + return; - vector = assign_irq_vector(irq, mask, &tmp); - if (vector < 0) + if (assign_irq_vector(irq, mask)) return; + cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); - target_ht_irq(irq, dest, vector); - set_native_irq_info(irq, mask); + target_ht_irq(irq, dest, cfg->vector); + irq_desc[irq].affinity = mask; } #endif @@ -2038,14 +2064,17 @@ static struct irq_chip ht_irq_chip = { int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) { - int vector; + struct irq_cfg *cfg = irq_cfg + irq; + int err; cpumask_t tmp; - vector = assign_irq_vector(irq, TARGET_CPUS, &tmp); - if (vector >= 0) { + tmp = TARGET_CPUS; + err = assign_irq_vector(irq, tmp); + if (!err) { struct ht_irq_msg msg; unsigned dest; + cpus_and(tmp, cfg->domain, tmp); dest = cpu_mask_to_apicid(tmp); msg.address_hi = HT_IRQ_HIGH_DEST_ID(dest); @@ -2053,7 +2082,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) msg.address_lo = HT_IRQ_LOW_BASE | HT_IRQ_LOW_DEST_ID(dest) | - HT_IRQ_LOW_VECTOR(vector) | + HT_IRQ_LOW_VECTOR(cfg->vector) | ((INT_DEST_MODE == 0) ? HT_IRQ_LOW_DM_PHYSICAL : HT_IRQ_LOW_DM_LOGICAL) | @@ -2068,7 +2097,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) set_irq_chip_and_handler_name(irq, &ht_irq_chip, handle_edge_irq, "edge"); } - return vector; + return err; } #endif /* CONFIG_HT_IRQ */ @@ -2095,11 +2124,6 @@ int __init io_apic_get_redir_entries (int ioapic) int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int polarity) { - struct IO_APIC_route_entry entry; - unsigned long flags; - int vector; - cpumask_t mask; - if (!IO_APIC_IRQ(irq)) { apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n", ioapic); @@ -2112,42 +2136,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int p if (irq >= 16) add_pin_to_irq(irq, ioapic, pin); - - vector = assign_irq_vector(irq, TARGET_CPUS, &mask); - if (vector < 0) - return vector; - - /* - * Generate a PCI IRQ routing entry and program the IOAPIC accordingly. - * Note that we mask (disable) IRQs now -- these get enabled when the - * corresponding device driver registers for this IRQ. - */ - - memset(&entry,0,sizeof(entry)); - - entry.delivery_mode = INT_DELIVERY_MODE; - entry.dest_mode = INT_DEST_MODE; - entry.dest = cpu_mask_to_apicid(mask); - entry.trigger = triggering; - entry.polarity = polarity; - entry.mask = 1; /* Disabled (masked) */ - entry.vector = vector & 0xff; - - apic_printk(APIC_VERBOSE,KERN_DEBUG "IOAPIC[%d]: Set PCI routing entry (%d-%d -> 0x%x -> " - "IRQ %d Mode:%i Active:%i)\n", ioapic, - mp_ioapics[ioapic].mpc_apicid, pin, entry.vector, irq, - triggering, polarity); - - ioapic_register_intr(irq, entry.vector, triggering); - - if (!ioapic && (irq < 16)) - disable_8259A_irq(irq); - - ioapic_write_entry(ioapic, pin, entry); - - spin_lock_irqsave(&ioapic_lock, flags); - set_native_irq_info(irq, TARGET_CPUS); - spin_unlock_irqrestore(&ioapic_lock, flags); + setup_IO_APIC_irq(ioapic, pin, irq, triggering, polarity); return 0; } @@ -2179,8 +2168,10 @@ void __init setup_ioapic_dest(void) * when you have too many devices, because at that time only boot * cpu is online. */ - if(!irq_vector[irq]) - setup_IO_APIC_irq(ioapic, pin, irq_entry, irq); + if (!irq_cfg[irq].vector) + setup_IO_APIC_irq(ioapic, pin, irq, + irq_trigger(irq_entry), + irq_polarity(irq_entry)); else set_ioapic_affinity_irq(irq, TARGET_CPUS); } diff --git a/drivers/base/class.c b/drivers/base/class.c index 1417e5cd4c6..d5968128be2 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -840,48 +840,6 @@ void class_device_destroy(struct class *cls, dev_t devt) class_device_unregister(class_dev); } -int class_device_rename(struct class_device *class_dev, char *new_name) -{ - int error = 0; - char *old_class_name = NULL, *new_class_name = NULL; - - class_dev = class_device_get(class_dev); - if (!class_dev) - return -EINVAL; - - pr_debug("CLASS: renaming '%s' to '%s'\n", class_dev->class_id, - new_name); - -#ifdef CONFIG_SYSFS_DEPRECATED - if (class_dev->dev) - old_class_name = make_class_name(class_dev->class->name, - &class_dev->kobj); -#endif - - strlcpy(class_dev->class_id, new_name, KOBJ_NAME_LEN); - - error = kobject_rename(&class_dev->kobj, new_name); - -#ifdef CONFIG_SYSFS_DEPRECATED - if (class_dev->dev) { - new_class_name = make_class_name(class_dev->class->name, - &class_dev->kobj); - if (new_class_name) - sysfs_create_link(&class_dev->dev->kobj, - &class_dev->kobj, new_class_name); - if (old_class_name) - sysfs_remove_link(&class_dev->dev->kobj, - old_class_name); - } -#endif - class_device_put(class_dev); - - kfree(old_class_name); - kfree(new_class_name); - - return error; -} - struct class_device * class_device_get(struct class_device *class_dev) { if (class_dev) diff --git a/drivers/base/core.c b/drivers/base/core.c index d04fd33dcd9..cf2a398aaaa 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -637,12 +637,41 @@ int device_add(struct device *dev) BUS_NOTIFY_DEL_DEVICE, dev); device_remove_groups(dev); GroupError: - device_remove_attrs(dev); + device_remove_attrs(dev); AttrsError: if (dev->devt_attr) { device_remove_file(dev, dev->devt_attr); kfree(dev->devt_attr); } + + if (dev->class) { + sysfs_remove_link(&dev->kobj, "subsystem"); + /* If this is not a "fake" compatible device, remove the + * symlink from the class to the device. */ + if (dev->kobj.parent != &dev->class->subsys.kset.kobj) + sysfs_remove_link(&dev->class->subsys.kset.kobj, + dev->bus_id); +#ifdef CONFIG_SYSFS_DEPRECATED + if (parent) { + char *class_name = make_class_name(dev->class->name, + &dev->kobj); + if (class_name) + sysfs_remove_link(&dev->parent->kobj, + class_name); + kfree(class_name); + sysfs_remove_link(&dev->kobj, "device"); + } +#endif + + down(&dev->class->sem); + /* notify any interfaces that the device is now gone */ + list_for_each_entry(class_intf, &dev->class->interfaces, node) + if (class_intf->remove_dev) + class_intf->remove_dev(dev, class_intf); + /* remove the device from the class list */ + list_del_init(&dev->node); + up(&dev->class->sem); + } ueventattrError: device_remove_file(dev, &dev->uevent_attr); attrError: diff --git a/drivers/char/agp/Makefile b/drivers/char/agp/Makefile index a0d04a23dac..627f542827c 100644 --- a/drivers/char/agp/Makefile +++ b/drivers/char/agp/Makefile @@ -1,7 +1,8 @@ agpgart-y := backend.o frontend.o generic.o isoch.o +agpgart-$(CONFIG_COMPAT) += compat_ioctl.o + obj-$(CONFIG_AGP) += agpgart.o -obj-$(CONFIG_COMPAT) += compat_ioctl.o obj-$(CONFIG_AGP_ALI) += ali-agp.o obj-$(CONFIG_AGP_ATI) += ati-agp.o obj-$(CONFIG_AGP_AMD) += amd-k7-agp.o diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h index 9bd68d9f0f5..fdbca25a394 100644 --- a/drivers/char/agp/agp.h +++ b/drivers/char/agp/agp.h @@ -93,12 +93,12 @@ struct aper_size_info_fixed { struct agp_bridge_driver { struct module *owner; - void *aperture_sizes; + const void *aperture_sizes; int num_aperture_sizes; enum aper_size_type size_type; int cant_use_aperture; int needs_scratch_page; - struct gatt_mask *masks; + const struct gatt_mask *masks; int (*fetch_size)(void); int (*configure)(void); void (*agp_enable)(struct agp_bridge_data *, u32); @@ -119,7 +119,7 @@ struct agp_bridge_driver { struct agp_bridge_data { const struct agp_version *version; - struct agp_bridge_driver *driver; + const struct agp_bridge_driver *driver; struct vm_operations_struct *vm_ops; void *previous_size; void *current_size; @@ -290,7 +290,7 @@ void agp3_generic_cleanup(void); /* aperture sizes have been standardised since v3 */ #define AGP_GENERIC_SIZES_ENTRIES 11 -extern struct aper_size_info_16 agp3_generic_sizes[]; +extern const struct aper_size_info_16 agp3_generic_sizes[]; #define virt_to_gart(x) (phys_to_gart(virt_to_phys(x))) #define gart_to_virt(x) (phys_to_virt(gart_to_phys(x))) diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c index 98177a93076..5b684fddcc0 100644 --- a/drivers/char/agp/ali-agp.c +++ b/drivers/char/agp/ali-agp.c @@ -182,7 +182,7 @@ static void m1541_destroy_page(void * addr) /* Setup function */ -static struct aper_size_info_32 ali_generic_sizes[7] = +static const struct aper_size_info_32 ali_generic_sizes[7] = { {256, 65536, 6, 10}, {128, 32768, 5, 9}, @@ -193,7 +193,7 @@ static struct aper_size_info_32 ali_generic_sizes[7] = {4, 1024, 0, 3} }; -static struct agp_bridge_driver ali_generic_bridge = { +static const struct agp_bridge_driver ali_generic_bridge = { .owner = THIS_MODULE, .aperture_sizes = ali_generic_sizes, .size_type = U32_APER_SIZE, @@ -217,7 +217,7 @@ static struct agp_bridge_driver ali_generic_bridge = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver ali_m1541_bridge = { +static const struct agp_bridge_driver ali_m1541_bridge = { .owner = THIS_MODULE, .aperture_sizes = ali_generic_sizes, .size_type = U32_APER_SIZE, diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index 3d8d448bf39..e6c534e6284 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -344,7 +344,7 @@ static int amd_remove_memory(struct agp_memory *mem, off_t pg_start, int type) return 0; } -static struct aper_size_info_lvl2 amd_irongate_sizes[7] = +static const struct aper_size_info_lvl2 amd_irongate_sizes[7] = { {2048, 524288, 0x0000000c}, {1024, 262144, 0x0000000a}, @@ -355,12 +355,12 @@ static struct aper_size_info_lvl2 amd_irongate_sizes[7] = {32, 8192, 0x00000000} }; -static struct gatt_mask amd_irongate_masks[] = +static const struct gatt_mask amd_irongate_masks[] = { {.mask = 1, .type = 0} }; -static struct agp_bridge_driver amd_irongate_driver = { +static const struct agp_bridge_driver amd_irongate_driver = { .owner = THIS_MODULE, .aperture_sizes = amd_irongate_sizes, .size_type = LVL2_APER_SIZE, diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 636d984ed4a..485720486d6 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -192,7 +192,7 @@ static u64 amd64_configure (struct pci_dev *hammer, u64 gatt_table) } -static struct aper_size_info_32 amd_8151_sizes[7] = +static const struct aper_size_info_32 amd_8151_sizes[7] = { {2048, 524288, 9, 0x00000000 }, /* 0 0 0 0 0 0 */ {1024, 262144, 8, 0x00000400 }, /* 1 0 0 0 0 0 */ @@ -232,7 +232,7 @@ static void amd64_cleanup(void) } -static struct agp_bridge_driver amd_8151_driver = { +static const struct agp_bridge_driver amd_8151_driver = { .owner = THIS_MODULE, .aperture_sizes = amd_8151_sizes, .size_type = U32_APER_SIZE, diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c index 77c9ad68fba..780e59e588a 100644 --- a/drivers/char/agp/ati-agp.c +++ b/drivers/char/agp/ati-agp.c @@ -24,7 +24,7 @@ #define ATI_GART_CACHE_ENTRY_CNTRL 0x10 -static struct aper_size_info_lvl2 ati_generic_sizes[7] = +static const struct aper_size_info_lvl2 ati_generic_sizes[7] = { {2048, 524288, 0x0000000c}, {1024, 262144, 0x0000000a}, @@ -410,7 +410,7 @@ static int ati_free_gatt_table(struct agp_bridge_data *bridge) return 0; } -static struct agp_bridge_driver ati_generic_bridge = { +static const struct agp_bridge_driver ati_generic_bridge = { .owner = THIS_MODULE, .aperture_sizes = ati_generic_sizes, .size_type = LVL2_APER_SIZE, diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c index 658cb1a72d2..df8da726285 100644 --- a/drivers/char/agp/efficeon-agp.c +++ b/drivers/char/agp/efficeon-agp.c @@ -59,7 +59,7 @@ static struct _efficeon_private { unsigned long l1_table[EFFICEON_L1_SIZE]; } efficeon_private; -static struct gatt_mask efficeon_generic_masks[] = +static const struct gatt_mask efficeon_generic_masks[] = { {.mask = 0x00000001, .type = 0} }; @@ -70,7 +70,7 @@ static inline unsigned long efficeon_mask_memory(unsigned long addr) return addr | 0x00000001; } -static struct aper_size_info_lvl2 efficeon_generic_sizes[4] = +static const struct aper_size_info_lvl2 efficeon_generic_sizes[4] = { {256, 65536, 0}, {128, 32768, 32}, @@ -309,7 +309,7 @@ static int efficeon_remove_memory(struct agp_memory * mem, off_t pg_start, int t } -static struct agp_bridge_driver efficeon_driver = { +static const struct agp_bridge_driver efficeon_driver = { .owner = THIS_MODULE, .aperture_sizes = efficeon_generic_sizes, .size_type = LVL2_APER_SIZE, diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index 7923337c3d2..f902d71947b 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -1340,7 +1340,7 @@ void agp3_generic_cleanup(void) } EXPORT_SYMBOL(agp3_generic_cleanup); -struct aper_size_info_16 agp3_generic_sizes[AGP_GENERIC_SIZES_ENTRIES] = +const struct aper_size_info_16 agp3_generic_sizes[AGP_GENERIC_SIZES_ENTRIES] = { {4096, 1048576, 10,0x000}, {2048, 524288, 9, 0x800}, diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c index 847deabf7f9..79f7c01db75 100644 --- a/drivers/char/agp/hp-agp.c +++ b/drivers/char/agp/hp-agp.c @@ -419,7 +419,7 @@ hp_zx1_enable (struct agp_bridge_data *bridge, u32 mode) agp_device_command(command, (mode & AGP8X_MODE) != 0); } -struct agp_bridge_driver hp_zx1_driver = { +struct const agp_bridge_driver hp_zx1_driver = { .owner = THIS_MODULE, .size_type = FIXED_APER_SIZE, .configure = hp_zx1_configure, diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c index 3e7618653ab..1cde376a45e 100644 --- a/drivers/char/agp/i460-agp.c +++ b/drivers/char/agp/i460-agp.c @@ -78,7 +78,7 @@ static struct { } *lp_desc; } i460; -static struct aper_size_info_8 i460_sizes[3] = +static const struct aper_size_info_8 i460_sizes[3] = { /* * The 32GB aperture is only available with a 4M GART page size. Due to the @@ -550,7 +550,7 @@ static unsigned long i460_mask_memory (struct agp_bridge_data *bridge, | (((addr & ~((1 << I460_IO_PAGE_SHIFT) - 1)) & 0xfffff000) >> 12); } -struct agp_bridge_driver intel_i460_driver = { +struct const agp_bridge_driver intel_i460_driver = { .owner = THIS_MODULE, .aperture_sizes = i460_sizes, .size_type = U8_APER_SIZE, diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 06b0bb6d982..e542a628f1c 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -63,7 +63,7 @@ extern int agp_memory_reserved; #define INTEL_I7505_AGPCTRL 0x70 #define INTEL_I7505_MCHCFG 0x50 -static struct aper_size_info_fixed intel_i810_sizes[] = +static const struct aper_size_info_fixed intel_i810_sizes[] = { {64, 16384, 4}, /* The 32M mode still requires a 64k gatt */ @@ -1365,18 +1365,18 @@ static int intel_7505_configure(void) } /* Setup function */ -static struct gatt_mask intel_generic_masks[] = +static const struct gatt_mask intel_generic_masks[] = { {.mask = 0x00000017, .type = 0} }; -static struct aper_size_info_8 intel_815_sizes[2] = +static const struct aper_size_info_8 intel_815_sizes[2] = { {64, 16384, 4, 0}, {32, 8192, 3, 8}, }; -static struct aper_size_info_8 intel_8xx_sizes[7] = +static const struct aper_size_info_8 intel_8xx_sizes[7] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, @@ -1387,7 +1387,7 @@ static struct aper_size_info_8 intel_8xx_sizes[7] = {4, 1024, 0, 63} }; -static struct aper_size_info_16 intel_generic_sizes[7] = +static const struct aper_size_info_16 intel_generic_sizes[7] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, @@ -1398,7 +1398,7 @@ static struct aper_size_info_16 intel_generic_sizes[7] = {4, 1024, 0, 63} }; -static struct aper_size_info_8 intel_830mp_sizes[4] = +static const struct aper_size_info_8 intel_830mp_sizes[4] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, @@ -1406,7 +1406,7 @@ static struct aper_size_info_8 intel_830mp_sizes[4] = {32, 8192, 3, 56} }; -static struct agp_bridge_driver intel_generic_driver = { +static const struct agp_bridge_driver intel_generic_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_generic_sizes, .size_type = U16_APER_SIZE, @@ -1430,7 +1430,7 @@ static struct agp_bridge_driver intel_generic_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_810_driver = { +static const struct agp_bridge_driver intel_810_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i810_sizes, .size_type = FIXED_APER_SIZE, @@ -1455,7 +1455,7 @@ static struct agp_bridge_driver intel_810_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_815_driver = { +static const struct agp_bridge_driver intel_815_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_815_sizes, .size_type = U8_APER_SIZE, @@ -1479,7 +1479,7 @@ static struct agp_bridge_driver intel_815_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_830_driver = { +static const struct agp_bridge_driver intel_830_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, @@ -1504,7 +1504,7 @@ static struct agp_bridge_driver intel_830_driver = { .agp_type_to_mask_type = intel_i830_type_to_mask_type, }; -static struct agp_bridge_driver intel_820_driver = { +static const struct agp_bridge_driver intel_820_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1528,7 +1528,7 @@ static struct agp_bridge_driver intel_820_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_830mp_driver = { +static const struct agp_bridge_driver intel_830mp_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_830mp_sizes, .size_type = U8_APER_SIZE, @@ -1552,7 +1552,7 @@ static struct agp_bridge_driver intel_830mp_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_840_driver = { +static const struct agp_bridge_driver intel_840_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1576,7 +1576,7 @@ static struct agp_bridge_driver intel_840_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_845_driver = { +static const struct agp_bridge_driver intel_845_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1600,7 +1600,7 @@ static struct agp_bridge_driver intel_845_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_850_driver = { +static const struct agp_bridge_driver intel_850_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1624,7 +1624,7 @@ static struct agp_bridge_driver intel_850_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_860_driver = { +static const struct agp_bridge_driver intel_860_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, @@ -1648,7 +1648,7 @@ static struct agp_bridge_driver intel_860_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver intel_915_driver = { +static const struct agp_bridge_driver intel_915_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, @@ -1673,7 +1673,7 @@ static struct agp_bridge_driver intel_915_driver = { .agp_type_to_mask_type = intel_i830_type_to_mask_type, }; -static struct agp_bridge_driver intel_i965_driver = { +static const struct agp_bridge_driver intel_i965_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, @@ -1698,7 +1698,7 @@ static struct agp_bridge_driver intel_i965_driver = { .agp_type_to_mask_type = intel_i830_type_to_mask_type, }; -static struct agp_bridge_driver intel_7505_driver = { +static const struct agp_bridge_driver intel_7505_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index 2563286b2fc..0c9dab557c9 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -272,7 +272,7 @@ static void nvidia_tlbflush(struct agp_memory *mem) } -static struct aper_size_info_8 nvidia_generic_sizes[5] = +static const struct aper_size_info_8 nvidia_generic_sizes[5] = { {512, 131072, 7, 0}, {256, 65536, 6, 8}, @@ -283,13 +283,13 @@ static struct aper_size_info_8 nvidia_generic_sizes[5] = }; -static struct gatt_mask nvidia_generic_masks[] = +static const struct gatt_mask nvidia_generic_masks[] = { { .mask = 1, .type = 0} }; -static struct agp_bridge_driver nvidia_driver = { +static const struct agp_bridge_driver nvidia_driver = { .owner = THIS_MODULE, .aperture_sizes = nvidia_generic_sizes, .size_type = U8_APER_SIZE, diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c index b7b4590673a..36d07e3635c 100644 --- a/drivers/char/agp/parisc-agp.c +++ b/drivers/char/agp/parisc-agp.c @@ -210,7 +210,7 @@ parisc_agp_enable(struct agp_bridge_data *bridge, u32 mode) agp_device_command(command, (mode & AGP8X_MODE) != 0); } -struct agp_bridge_driver parisc_agp_driver = { +struct const agp_bridge_driver parisc_agp_driver = { .owner = THIS_MODULE, .size_type = FIXED_APER_SIZE, .configure = parisc_agp_configure, diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c index 92d1dc45b9b..e12773acf3d 100644 --- a/drivers/char/agp/sgi-agp.c +++ b/drivers/char/agp/sgi-agp.c @@ -247,7 +247,7 @@ static struct agp_bridge_data *sgi_tioca_find_bridge(struct pci_dev *pdev) return bridge; } -struct agp_bridge_driver sgi_tioca_driver = { +struct const agp_bridge_driver sgi_tioca_driver = { .owner = THIS_MODULE, .size_type = U16_APER_SIZE, .configure = sgi_tioca_configure, diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c index 60342b70815..125f4282d95 100644 --- a/drivers/char/agp/sis-agp.c +++ b/drivers/char/agp/sis-agp.c @@ -108,7 +108,7 @@ static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode) } } -static struct aper_size_info_8 sis_generic_sizes[7] = +static const struct aper_size_info_8 sis_generic_sizes[7] = { {256, 65536, 6, 99}, {128, 32768, 5, 83}, diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c index 9f5ae7714f8..55212a3811f 100644 --- a/drivers/char/agp/sworks-agp.c +++ b/drivers/char/agp/sworks-agp.c @@ -385,12 +385,12 @@ static int serverworks_remove_memory(struct agp_memory *mem, off_t pg_start, return 0; } -static struct gatt_mask serverworks_masks[] = +static const struct gatt_mask serverworks_masks[] = { {.mask = 1, .type = 0} }; -static struct aper_size_info_lvl2 serverworks_sizes[7] = +static const struct aper_size_info_lvl2 serverworks_sizes[7] = { {2048, 524288, 0x80000000}, {1024, 262144, 0xc0000000}, @@ -423,7 +423,7 @@ static void serverworks_agp_enable(struct agp_bridge_data *bridge, u32 mode) agp_device_command(command, 0); } -static struct agp_bridge_driver sworks_driver = { +static const struct agp_bridge_driver sworks_driver = { .owner = THIS_MODULE, .aperture_sizes = serverworks_sizes, .size_type = LVL2_APER_SIZE, diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index 6c45702e542..292b4ad1ae3 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -460,7 +460,7 @@ void null_cache_flush(void) /* Setup function */ -static struct aper_size_info_32 uninorth_sizes[7] = +static const struct aper_size_info_32 uninorth_sizes[7] = { #if 0 /* Not sure uninorth supports that high aperture sizes */ {256, 65536, 6, 64}, @@ -477,7 +477,7 @@ static struct aper_size_info_32 uninorth_sizes[7] = * Not sure that u3 supports that high aperture sizes but it * would strange if it did not :) */ -static struct aper_size_info_32 u3_sizes[8] = +static const struct aper_size_info_32 u3_sizes[8] = { {512, 131072, 7, 128}, {256, 65536, 6, 64}, @@ -489,7 +489,7 @@ static struct aper_size_info_32 u3_sizes[8] = {4, 1024, 0, 1} }; -struct agp_bridge_driver uninorth_agp_driver = { +struct const agp_bridge_driver uninorth_agp_driver = { .owner = THIS_MODULE, .aperture_sizes = (void *)uninorth_sizes, .size_type = U32_APER_SIZE, @@ -514,7 +514,7 @@ struct agp_bridge_driver uninorth_agp_driver = { .cant_use_aperture = 1, }; -struct agp_bridge_driver u3_agp_driver = { +struct const agp_bridge_driver u3_agp_driver = { .owner = THIS_MODULE, .aperture_sizes = (void *)u3_sizes, .size_type = U32_APER_SIZE, diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c index 2e7c04370cd..a2bb4eccaab 100644 --- a/drivers/char/agp/via-agp.c +++ b/drivers/char/agp/via-agp.c @@ -89,7 +89,7 @@ static void via_tlbflush(struct agp_memory *mem) } -static struct aper_size_info_8 via_generic_sizes[9] = +static const struct aper_size_info_8 via_generic_sizes[9] = { {256, 65536, 6, 0}, {128, 32768, 5, 128}, @@ -170,7 +170,7 @@ static void via_tlbflush_agp3(struct agp_memory *mem) } -static struct agp_bridge_driver via_agp3_driver = { +static const struct agp_bridge_driver via_agp3_driver = { .owner = THIS_MODULE, .aperture_sizes = agp3_generic_sizes, .size_type = U8_APER_SIZE, @@ -194,7 +194,7 @@ static struct agp_bridge_driver via_agp3_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static struct agp_bridge_driver via_driver = { +static const struct agp_bridge_driver via_driver = { .owner = THIS_MODULE, .aperture_sizes = via_generic_sizes, .size_type = U8_APER_SIZE, diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 7399ba79111..80acd08f0e9 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -82,6 +82,18 @@ config LEDS_WRAP help This option enables support for the PCEngines WRAP programmable LEDs. +config LEDS_H1940 + tristate "LED Support for iPAQ H1940 device" + depends LEDS_CLASS && ARCH_H1940 + help + This option enables support for the LEDs on the h1940. + +config LEDS_COBALT + tristate "LED Support for Cobalt Server front LED" + depends on LEDS_CLASS && MIPS_COBALT + help + This option enables support for the front LED on Cobalt Server + comment "LED Triggers" config LEDS_TRIGGERS diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 500de3dc962..aa2c18efa5b 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -14,6 +14,8 @@ obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o +obj-$(CONFIG_LEDS_H1940) += leds-h1940.o +obj-$(CONFIG_LEDS_COBALT) += leds-cobalt.o # LED Triggers obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o diff --git a/drivers/leds/leds-cobalt.c b/drivers/leds/leds-cobalt.c new file mode 100644 index 00000000000..d16439ce5da --- /dev/null +++ b/drivers/leds/leds-cobalt.c @@ -0,0 +1,43 @@ +/* + * Copyright 2006 - Florian Fainelli <florian@openwrt.org> + * + * Control the Cobalt Qube/RaQ front LED + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/leds.h> +#include <asm/mach-cobalt/cobalt.h> + +static void cobalt_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) +{ + if (brightness) + COBALT_LED_PORT = COBALT_LED_BAR_LEFT | COBALT_LED_BAR_RIGHT; + else + COBALT_LED_PORT = 0; +} + +static struct led_classdev cobalt_led = { + .name = "cobalt-front-led", + .brightness_set = cobalt_led_set, + .default_trigger = "ide-disk", +}; + +static int __init cobalt_led_init(void) +{ + return led_classdev_register(NULL, &cobalt_led); +} + +static void __exit cobalt_led_exit(void) +{ + led_classdev_unregister(&cobalt_led); +} + +module_init(cobalt_led_init); +module_exit(cobalt_led_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Front LED support for Cobalt Server"); +MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); diff --git a/drivers/leds/leds-h1940.c b/drivers/leds/leds-h1940.c new file mode 100644 index 00000000000..1d49d2ade55 --- /dev/null +++ b/drivers/leds/leds-h1940.c @@ -0,0 +1,163 @@ +/* + * drivers/leds/h1940-leds.c + * Copyright (c) Arnaud Patard <arnaud.patard@rtp-net.org> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * H1940 leds driver + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/ctype.h> +#include <linux/leds.h> +#include <asm/arch/regs-gpio.h> +#include <asm/hardware.h> +#include <asm/arch/h1940-latch.h> + +/* + * Green led. + */ +void h1940_greenled_set(struct led_classdev *led_dev, enum led_brightness value) +{ + switch (value) { + case LED_HALF: + h1940_latch_control(0,H1940_LATCH_LED_FLASH); + s3c2410_gpio_setpin(S3C2410_GPA7,1); + break; + case LED_FULL: + h1940_latch_control(0,H1940_LATCH_LED_GREEN); + s3c2410_gpio_setpin(S3C2410_GPA7,1); + break; + default: + case LED_OFF: + h1940_latch_control(H1940_LATCH_LED_FLASH,0); + h1940_latch_control(H1940_LATCH_LED_GREEN,0); + s3c2410_gpio_setpin(S3C2410_GPA7,0); + break; + } +} + +static struct led_classdev h1940_greenled = { + .name = "h1940:green", + .brightness_set = h1940_greenled_set, + .default_trigger = "h1940-charger", +}; + +/* + * Red led. + */ +void h1940_redled_set(struct led_classdev *led_dev, enum led_brightness value) +{ + switch (value) { + case LED_HALF: + h1940_latch_control(0,H1940_LATCH_LED_FLASH); + s3c2410_gpio_setpin(S3C2410_GPA1,1); + break; + case LED_FULL: + h1940_latch_control(0,H1940_LATCH_LED_RED); + s3c2410_gpio_setpin(S3C2410_GPA1,1); + break; + default: + case LED_OFF: + h1940_latch_control(H1940_LATCH_LED_FLASH,0); + h1940_latch_control(H1940_LATCH_LED_RED,0); + s3c2410_gpio_setpin(S3C2410_GPA1,0); + break; + } +} + +static struct led_classdev h1940_redled = { + .name = "h1940:red", + .brightness_set = h1940_redled_set, + .default_trigger = "h1940-charger", +}; + +/* + * Blue led. + * (it can only be blue flashing led) + */ +void h1940_blueled_set(struct led_classdev *led_dev, enum led_brightness value) +{ + if (value) { + /* flashing Blue */ + h1940_latch_control(0,H1940_LATCH_LED_FLASH); + s3c2410_gpio_setpin(S3C2410_GPA3,1); + } else { + h1940_latch_control(H1940_LATCH_LED_FLASH,0); + s3c2410_gpio_setpin(S3C2410_GPA3,0); + } + +} + +static struct led_classdev h1940_blueled = { + .name = "h1940:blue", + .brightness_set = h1940_blueled_set, + .default_trigger = "h1940-bluetooth", +}; + +static int __init h1940leds_probe(struct platform_device *pdev) +{ + int ret; + + ret = led_classdev_register(&pdev->dev, &h1940_greenled); + if (ret) + goto err_green; + + ret = led_classdev_register(&pdev->dev, &h1940_redled); + if (ret) + goto err_red; + + ret = led_classdev_register(&pdev->dev, &h1940_blueled); + if (ret) + goto err_blue; + + return 0; + +err_blue: + led_classdev_unregister(&h1940_redled); +err_red: + led_classdev_unregister(&h1940_greenled); +err_green: + return ret; +} + +static int h1940leds_remove(struct platform_device *pdev) +{ + led_classdev_unregister(&h1940_greenled); + led_classdev_unregister(&h1940_redled); + led_classdev_unregister(&h1940_blueled); + return 0; +} + + +static struct platform_driver h1940leds_driver = { + .driver = { + .name = "h1940-leds", + }, + .probe = h1940leds_probe, + .remove = h1940leds_remove, +}; + + +static int __init h1940leds_init(void) +{ + return platform_driver_register(&h1940leds_driver); +} + +static void __exit h1940leds_exit(void) +{ + platform_driver_unregister(&h1940leds_driver); +} + +module_init(h1940leds_init); +module_exit(h1940leds_exit); + +MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>"); +MODULE_DESCRIPTION("LED driver for the iPAQ H1940"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/hd64465_ss.c b/drivers/pcmcia/hd64465_ss.c index caca0dc9d30..f2e810f53c8 100644 --- a/drivers/pcmcia/hd64465_ss.c +++ b/drivers/pcmcia/hd64465_ss.c @@ -907,7 +907,7 @@ static int __init init_hs(void) for (i=0; i<HS_MAX_SOCKETS; i++) { unsigned int ret; - hs_sockets[i].socket.dev.dev = &hd64465_device.dev; + hs_sockets[i].socket.dev.parent = &hd64465_device.dev; hs_sockets[i].number = i; ret = pcmcia_register_socket(&hs_sockets[i].socket); if (ret && i) diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c index e4a94108aab..91da15b5a81 100644 --- a/drivers/pcmcia/m32r_cfc.c +++ b/drivers/pcmcia/m32r_cfc.c @@ -760,7 +760,7 @@ static int __init init_m32r_pcc(void) /* Set up interrupt handler(s) */ for (i = 0 ; i < pcc_sockets ; i++) { - socket[i].socket.dev.dev = &pcc_device.dev; + socket[i].socket.dev.parent = &pcc_device.dev; socket[i].socket.ops = &pcc_operations; socket[i].socket.resource_ops = &pccard_nonstatic_ops; socket[i].socket.owner = THIS_MODULE; diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c index d059c919617..9721ed7bf50 100644 --- a/drivers/pcmcia/m8xx_pcmcia.c +++ b/drivers/pcmcia/m8xx_pcmcia.c @@ -1321,7 +1321,7 @@ static int __init m8xx_init(void) socket[i].socket.ops = &m8xx_services; socket[i].socket.resource_ops = &pccard_iodyn_ops; socket[i].socket.cb_dev = NULL; - socket[i].socket.dev.dev = &m8xx_device.dev; + socket[i].socket.dev.parent = &m8xx_device.dev; } for (i = 0; i < PCMCIA_SOCKETS_NO; i++) diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c index 76f7cbc62a8..d77f75129f8 100644 --- a/drivers/pcmcia/omap_cf.c +++ b/drivers/pcmcia/omap_cf.c @@ -291,7 +291,7 @@ static int __devinit omap_cf_probe(struct device *dev) omap_cf_present() ? "present" : "(not present)"); cf->socket.owner = THIS_MODULE; - cf->socket.dev.dev = dev; + cf->socket.dev.parent = dev; cf->socket.ops = &omap_cf_ops; cf->socket.resource_ops = &pccard_static_ops; cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index 81dfc2cac2b..ce2226273aa 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -232,7 +232,7 @@ static struct resource *iodyn_find_io_region(unsigned long base, int num, unsigned long align, struct pcmcia_socket *s) { struct resource *res = make_resource(0, num, IORESOURCE_IO, - s->dev.class_id); + s->dev.bus_id); struct pcmcia_align_data data; unsigned long min = base; int ret; diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c index 206e26c9180..eee2f1cb213 100644 --- a/drivers/pcmcia/vrc4171_card.c +++ b/drivers/pcmcia/vrc4171_card.c @@ -596,7 +596,7 @@ static int __devinit vrc4171_add_sockets(void) } sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot); - socket->pcmcia_socket.dev.dev = &vrc4171_card_device.dev; + socket->pcmcia_socket.dev.parent = &vrc4171_card_device.dev; socket->pcmcia_socket.ops = &vrc4171_pccard_operations; socket->pcmcia_socket.owner = THIS_MODULE; diff --git a/drivers/sbus/char/Kconfig b/drivers/sbus/char/Kconfig index 3a8152906bf..35a73168333 100644 --- a/drivers/sbus/char/Kconfig +++ b/drivers/sbus/char/Kconfig @@ -46,13 +46,6 @@ config SUN_VIDEOPIX based on the Phillips SAA9051, can handle NTSC and PAL/SECAM and SVIDEO signals. -config SUN_AURORA - tristate "Aurora Multiboard 1600se (EXPERIMENTAL)" - depends on EXPERIMENTAL && BROKEN - help - The Aurora Multiboard is a multi-port high-speed serial controller. - If you have one of these, say Y. - config TADPOLE_TS102_UCTRL tristate "Tadpole TS102 Microcontroller support (EXPERIMENTAL)" depends on EXPERIMENTAL && SPARC32 diff --git a/drivers/sbus/char/Makefile b/drivers/sbus/char/Makefile index 3a5ea1dc789..7ab060e9a5f 100644 --- a/drivers/sbus/char/Makefile +++ b/drivers/sbus/char/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_SUN_OPENPROMIO) += openprom.o obj-$(CONFIG_SUN_MOSTEK_RTC) += rtc.o obj-$(CONFIG_SUN_BPP) += bpp.o obj-$(CONFIG_SUN_VIDEOPIX) += vfc.o -obj-$(CONFIG_SUN_AURORA) += aurora.o obj-$(CONFIG_TADPOLE_TS102_UCTRL) += uctrl.o obj-$(CONFIG_SUN_JSFLASH) += jsflash.o obj-$(CONFIG_BBC_I2C) += bbc.o diff --git a/drivers/sbus/char/aurora.c b/drivers/sbus/char/aurora.c deleted file mode 100644 index a54b4ac6756..00000000000 --- a/drivers/sbus/char/aurora.c +++ /dev/null @@ -1,2364 +0,0 @@ -/* $Id: aurora.c,v 1.19 2002/01/08 16:00:16 davem Exp $ - * linux/drivers/sbus/char/aurora.c -- Aurora multiport driver - * - * Copyright (c) 1999 by Oliver Aldulea (oli at bv dot ro) - * - * This code is based on the RISCom/8 multiport serial driver written - * by Dmitry Gorodchanin (pgmdsg@ibi.com), based on the Linux serial - * driver, written by Linus Torvalds, Theodore T'so and others. - * The Aurora multiport programming info was obtained mainly from the - * Cirrus Logic CD180 documentation (available on the web), and by - * doing heavy tests on the board. Many thanks to Eddie C. Dost for the - * help on the sbus interface. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Revision 1.0 - * - * This is the first public release. - * - * Most of the information you need is in the aurora.h file. Please - * read that file before reading this one. - * - * Several parts of the code do not have comments yet. - * - * n.b. The board can support 115.2 bit rates, but only on a few - * ports. The total badwidth of one chip (ports 0-7 or 8-15) is equal - * to OSC_FREQ div 16. In case of my board, each chip can take 6 - * channels of 115.2 kbaud. This information is not well-tested. - * - * Fixed to use tty_get_baud_rate(). - * Theodore Ts'o <tytso@mit.edu>, 2001-Oct-12 - */ - -#include <linux/module.h> - -#include <linux/errno.h> -#include <linux/sched.h> -#ifdef AURORA_INT_DEBUG -#include <linux/timer.h> -#endif -#include <linux/interrupt.h> -#include <linux/tty.h> -#include <linux/tty_flip.h> -#include <linux/major.h> -#include <linux/string.h> -#include <linux/fcntl.h> -#include <linux/mm.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/bitops.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/oplib.h> -#include <asm/system.h> -#include <asm/kdebug.h> -#include <asm/sbus.h> -#include <asm/uaccess.h> - -#include "aurora.h" -#include "cd180.h" - -unsigned char irqs[4] = { - 0, 0, 0, 0 -}; - -#ifdef AURORA_INT_DEBUG -int irqhit=0; -#endif - -static struct tty_driver *aurora_driver; -static struct Aurora_board aurora_board[AURORA_NBOARD] = { - {0,}, -}; - -static struct Aurora_port aurora_port[AURORA_TNPORTS] = { - { 0, }, -}; - -/* no longer used. static struct Aurora_board * IRQ_to_board[16] = { NULL, } ;*/ -static unsigned char * tmp_buf = NULL; - -DECLARE_TASK_QUEUE(tq_aurora); - -static inline int aurora_paranoia_check(struct Aurora_port const * port, - char *name, const char *routine) -{ -#ifdef AURORA_PARANOIA_CHECK - static const char *badmagic = - KERN_DEBUG "aurora: Warning: bad aurora port magic number for device %s in %s\n"; - static const char *badinfo = - KERN_DEBUG "aurora: Warning: null aurora port for device %s in %s\n"; - - if (!port) { - printk(badinfo, name, routine); - return 1; - } - if (port->magic != AURORA_MAGIC) { - printk(badmagic, name, routine); - return 1; - } -#endif - return 0; -} - -/* - * - * Service functions for aurora driver. - * - */ - -/* Get board number from pointer */ -static inline int board_No (struct Aurora_board const * bp) -{ - return bp - aurora_board; -} - -/* Get port number from pointer */ -static inline int port_No (struct Aurora_port const * port) -{ - return AURORA_PORT(port - aurora_port); -} - -/* Get pointer to board from pointer to port */ -static inline struct Aurora_board * port_Board(struct Aurora_port const * port) -{ - return &aurora_board[AURORA_BOARD(port - aurora_port)]; -} - -/* Wait for Channel Command Register ready */ -static inline void aurora_wait_CCR(struct aurora_reg128 * r) -{ - unsigned long delay; - -#ifdef AURORA_DEBUG -printk("aurora_wait_CCR\n"); -#endif - /* FIXME: need something more descriptive than 100000 :) */ - for (delay = 100000; delay; delay--) - if (!sbus_readb(&r->r[CD180_CCR])) - return; - printk(KERN_DEBUG "aurora: Timeout waiting for CCR.\n"); -} - -/* - * aurora probe functions. - */ - -/* Must be called with enabled interrupts */ -static inline void aurora_long_delay(unsigned long delay) -{ - unsigned long i; - -#ifdef AURORA_DEBUG - printk("aurora_long_delay: start\n"); -#endif - for (i = jiffies + delay; time_before(jiffies, i); ) ; -#ifdef AURORA_DEBUG - printk("aurora_long_delay: end\n"); -#endif -} - -/* Reset and setup CD180 chip */ -static int aurora_init_CD180(struct Aurora_board * bp, int chip) -{ - unsigned long flags; - int id; - -#ifdef AURORA_DEBUG - printk("aurora_init_CD180: start %d:%d\n", - board_No(bp), chip); -#endif - save_flags(flags); cli(); - sbus_writeb(0, &bp->r[chip]->r[CD180_CAR]); - sbus_writeb(0, &bp->r[chip]->r[CD180_GSVR]); - - /* Wait for CCR ready */ - aurora_wait_CCR(bp->r[chip]); - - /* Reset CD180 chip */ - sbus_writeb(CCR_HARDRESET, &bp->r[chip]->r[CD180_CCR]); - udelay(1); - sti(); - id=1000; - while((--id) && - (sbus_readb(&bp->r[chip]->r[CD180_GSVR])!=0xff))udelay(100); - if(!id) { - printk(KERN_ERR "aurora%d: Chip %d failed init.\n", - board_No(bp), chip); - restore_flags(flags); - return(-1); - } - cli(); - sbus_writeb((board_No(bp)<<5)|((chip+1)<<3), - &bp->r[chip]->r[CD180_GSVR]); /* Set ID for this chip */ - sbus_writeb(0x80|bp->ACK_MINT, - &bp->r[chip]->r[CD180_MSMR]); /* Prio for modem intr */ - sbus_writeb(0x80|bp->ACK_TINT, - &bp->r[chip]->r[CD180_TSMR]); /* Prio for transmitter intr */ - sbus_writeb(0x80|bp->ACK_RINT, - &bp->r[chip]->r[CD180_RSMR]); /* Prio for receiver intr */ - /* Setting up prescaler. We need 4 tick per 1 ms */ - sbus_writeb((bp->oscfreq/(1000000/AURORA_TPS)) >> 8, - &bp->r[chip]->r[CD180_PPRH]); - sbus_writeb((bp->oscfreq/(1000000/AURORA_TPS)) & 0xff, - &bp->r[chip]->r[CD180_PPRL]); - - sbus_writeb(SRCR_AUTOPRI|SRCR_GLOBPRI, - &bp->r[chip]->r[CD180_SRCR]); - - id = sbus_readb(&bp->r[chip]->r[CD180_GFRCR]); - printk(KERN_INFO "aurora%d: Chip %d id %02x: ", - board_No(bp), chip,id); - if(sbus_readb(&bp->r[chip]->r[CD180_SRCR]) & 128) { - switch (id) { - case 0x82:printk("CL-CD1864 rev A\n");break; - case 0x83:printk("CL-CD1865 rev A\n");break; - case 0x84:printk("CL-CD1865 rev B\n");break; - case 0x85:printk("CL-CD1865 rev C\n");break; - default:printk("Unknown.\n"); - }; - } else { - switch (id) { - case 0x81:printk("CL-CD180 rev B\n");break; - case 0x82:printk("CL-CD180 rev C\n");break; - default:printk("Unknown.\n"); - }; - } - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_init_CD180: end\n"); -#endif - return 0; -} - -static int valid_irq(unsigned char irq) -{ -int i; -for(i=0;i<TYPE_1_IRQS;i++) - if (type_1_irq[i]==irq) return 1; -return 0; -} - -static irqreturn_t aurora_interrupt(int irq, void * dev_id); - -/* Main probing routine, also sets irq. */ -static int aurora_probe(void) -{ - struct sbus_bus *sbus; - struct sbus_dev *sdev; - int grrr; - char buf[30]; - int bn = 0; - struct Aurora_board *bp; - - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { -/* printk("Try: %x %s\n",sdev,sdev->prom_name);*/ - if (!strcmp(sdev->prom_name, "sio16")) { -#ifdef AURORA_DEBUG - printk(KERN_INFO "aurora: sio16 at %p\n",sdev); -#endif - if((sdev->reg_addrs[0].reg_size!=1) && - (sdev->reg_addrs[1].reg_size!=128) && - (sdev->reg_addrs[2].reg_size!=128) && - (sdev->reg_addrs[3].reg_size!=4)) { - printk(KERN_ERR "aurora%d: registers' sizes " - "do not match.\n", bn); - break; - } - bp = &aurora_board[bn]; - bp->r0 = (struct aurora_reg1 *) - sbus_ioremap(&sdev->resource[0], 0, - sdev->reg_addrs[0].reg_size, - "sio16"); - if (bp->r0 == NULL) { - printk(KERN_ERR "aurora%d: can't map " - "reg_addrs[0]\n", bn); - break; - } -#ifdef AURORA_DEBUG - printk("Map reg 0: %p\n", bp->r0); -#endif - bp->r[0] = (struct aurora_reg128 *) - sbus_ioremap(&sdev->resource[1], 0, - sdev->reg_addrs[1].reg_size, - "sio16"); - if (bp->r[0] == NULL) { - printk(KERN_ERR "aurora%d: can't map " - "reg_addrs[1]\n", bn); - break; - } -#ifdef AURORA_DEBUG - printk("Map reg 1: %p\n", bp->r[0]); -#endif - bp->r[1] = (struct aurora_reg128 *) - sbus_ioremap(&sdev->resource[2], 0, - sdev->reg_addrs[2].reg_size, - "sio16"); - if (bp->r[1] == NULL) { - printk(KERN_ERR "aurora%d: can't map " - "reg_addrs[2]\n", bn); - break; - } -#ifdef AURORA_DEBUG - printk("Map reg 2: %p\n", bp->r[1]); -#endif - bp->r3 = (struct aurora_reg4 *) - sbus_ioremap(&sdev->resource[3], 0, - sdev->reg_addrs[3].reg_size, - "sio16"); - if (bp->r3 == NULL) { - printk(KERN_ERR "aurora%d: can't map " - "reg_addrs[3]\n", bn); - break; - } -#ifdef AURORA_DEBUG - printk("Map reg 3: %p\n", bp->r3); -#endif - /* Variables setup */ - bp->flags = 0; -#ifdef AURORA_DEBUG - grrr=prom_getint(sdev->prom_node,"intr"); - printk("intr pri %d\n", grrr); -#endif - if ((bp->irq=irqs[bn]) && valid_irq(bp->irq) && - !request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, "sio16", bp)) { - free_irq(bp->irq|0x30, bp); - } else - if ((bp->irq=prom_getint(sdev->prom_node, "bintr")) && valid_irq(bp->irq) && - !request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, "sio16", bp)) { - free_irq(bp->irq|0x30, bp); - } else - if ((bp->irq=prom_getint(sdev->prom_node, "intr")) && valid_irq(bp->irq) && - !request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, "sio16", bp)) { - free_irq(bp->irq|0x30, bp); - } else - for(grrr=0;grrr<TYPE_1_IRQS;grrr++) { - if ((bp->irq=type_1_irq[grrr])&&!request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, "sio16", bp)) { - free_irq(bp->irq|0x30, bp); - break; - } else { - printk(KERN_ERR "aurora%d: Could not get an irq for this board !!!\n",bn); - bp->flags=0xff; - } - } - if(bp->flags==0xff)break; - printk(KERN_INFO "aurora%d: irq %d\n",bn,bp->irq&0x0f); - buf[0]=0; - grrr=prom_getproperty(sdev->prom_node,"dtr_rts",buf,sizeof(buf)); - if(!strcmp(buf,"swapped")){ - printk(KERN_INFO "aurora%d: Swapped DTR and RTS\n",bn); - bp->DTR=MSVR_RTS; - bp->RTS=MSVR_DTR; - bp->MSVDTR=CD180_MSVRTS; - bp->MSVRTS=CD180_MSVDTR; - bp->flags|=AURORA_BOARD_DTR_FLOW_OK; - }else{ - #ifdef AURORA_FORCE_DTR_FLOW - printk(KERN_INFO "aurora%d: Forcing swapped DTR-RTS\n",bn); - bp->DTR=MSVR_RTS; - bp->RTS=MSVR_DTR; - bp->MSVDTR=CD180_MSVRTS; - bp->MSVRTS=CD180_MSVDTR; - bp->flags|=AURORA_BOARD_DTR_FLOW_OK; - #else - printk(KERN_INFO "aurora%d: Normal DTR and RTS\n",bn); - bp->DTR=MSVR_DTR; - bp->RTS=MSVR_RTS; - bp->MSVDTR=CD180_MSVDTR; - bp->MSVRTS=CD180_MSVRTS; - #endif - } - bp->oscfreq=prom_getint(sdev->prom_node,"clk")*100; - printk(KERN_INFO "aurora%d: Oscillator: %d Hz\n",bn,bp->oscfreq); - grrr=prom_getproperty(sdev->prom_node,"chip",buf,sizeof(buf)); - printk(KERN_INFO "aurora%d: Chips: %s\n",bn,buf); - grrr=prom_getproperty(sdev->prom_node,"manu",buf,sizeof(buf)); - printk(KERN_INFO "aurora%d: Manufacturer: %s\n",bn,buf); - grrr=prom_getproperty(sdev->prom_node,"model",buf,sizeof(buf)); - printk(KERN_INFO "aurora%d: Model: %s\n",bn,buf); - grrr=prom_getproperty(sdev->prom_node,"rev",buf,sizeof(buf)); - printk(KERN_INFO "aurora%d: Revision: %s\n",bn,buf); - grrr=prom_getproperty(sdev->prom_node,"mode",buf,sizeof(buf)); - printk(KERN_INFO "aurora%d: Mode: %s\n",bn,buf); - #ifdef MODULE - bp->count=0; - #endif - bp->flags = AURORA_BOARD_PRESENT; - /* hardware ack */ - bp->ACK_MINT=1; - bp->ACK_TINT=2; - bp->ACK_RINT=3; - bn++; - } - } - } - return bn; -} - -static void aurora_release_io_range(struct Aurora_board *bp) -{ - sbus_iounmap((unsigned long)bp->r0, 1); - sbus_iounmap((unsigned long)bp->r[0], 128); - sbus_iounmap((unsigned long)bp->r[1], 128); - sbus_iounmap((unsigned long)bp->r3, 4); -} - -static inline void aurora_mark_event(struct Aurora_port * port, int event) -{ -#ifdef AURORA_DEBUG - printk("aurora_mark_event: start\n"); -#endif - set_bit(event, &port->event); - queue_task(&port->tqueue, &tq_aurora); - mark_bh(AURORA_BH); -#ifdef AURORA_DEBUG - printk("aurora_mark_event: end\n"); -#endif -} - -static __inline__ struct Aurora_port * aurora_get_port(struct Aurora_board const * bp, - int chip, - unsigned char const *what) -{ - unsigned char channel; - struct Aurora_port * port; - - channel = ((chip << 3) | - ((sbus_readb(&bp->r[chip]->r[CD180_GSCR]) & GSCR_CHAN) >> GSCR_CHAN_OFF)); - port = &aurora_port[board_No(bp) * AURORA_NPORT * AURORA_NCD180 + channel]; - if (port->flags & ASYNC_INITIALIZED) - return port; - - printk(KERN_DEBUG "aurora%d: %s interrupt from invalid port %d\n", - board_No(bp), what, channel); - return NULL; -} - -static void aurora_receive_exc(struct Aurora_board const * bp, int chip) -{ - struct Aurora_port *port; - struct tty_struct *tty; - unsigned char status; - unsigned char ch; - - if (!(port = aurora_get_port(bp, chip, "Receive_x"))) - return; - - tty = port->tty; - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { -#ifdef AURORA_INTNORM - printk("aurora%d: port %d: Working around flip buffer overflow.\n", - board_No(bp), port_No(port)); -#endif - return; - } - -#ifdef AURORA_REPORT_OVERRUN - status = sbus_readb(&bp->r[chip]->r[CD180_RCSR]); - if (status & RCSR_OE) { - port->overrun++; -#if 1 - printk("aurora%d: port %d: Overrun. Total %ld overruns.\n", - board_No(bp), port_No(port), port->overrun); -#endif - } - status &= port->mark_mask; -#else - status = sbus_readb(&bp->r[chip]->r[CD180_RCSR]) & port->mark_mask; -#endif - ch = sbus_readb(&bp->r[chip]->r[CD180_RDR]); - if (!status) - return; - - if (status & RCSR_TOUT) { -/* printk("aurora%d: port %d: Receiver timeout. Hardware problems ?\n", - board_No(bp), port_No(port));*/ - return; - - } else if (status & RCSR_BREAK) { - printk(KERN_DEBUG "aurora%d: port %d: Handling break...\n", - board_No(bp), port_No(port)); - *tty->flip.flag_buf_ptr++ = TTY_BREAK; - if (port->flags & ASYNC_SAK) - do_SAK(tty); - - } else if (status & RCSR_PE) - *tty->flip.flag_buf_ptr++ = TTY_PARITY; - - else if (status & RCSR_FE) - *tty->flip.flag_buf_ptr++ = TTY_FRAME; - - else if (status & RCSR_OE) - *tty->flip.flag_buf_ptr++ = TTY_OVERRUN; - - else - *tty->flip.flag_buf_ptr++ = 0; - - *tty->flip.char_buf_ptr++ = ch; - tty->flip.count++; - queue_task(&tty->flip.tqueue, &tq_timer); -} - -static void aurora_receive(struct Aurora_board const * bp, int chip) -{ - struct Aurora_port *port; - struct tty_struct *tty; - unsigned char count,cnt; - - if (!(port = aurora_get_port(bp, chip, "Receive"))) - return; - - tty = port->tty; - - count = sbus_readb(&bp->r[chip]->r[CD180_RDCR]); - -#ifdef AURORA_REPORT_FIFO - port->hits[count > 8 ? 9 : count]++; -#endif - - while (count--) { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { -#ifdef AURORA_INTNORM - printk("aurora%d: port %d: Working around flip buffer overflow.\n", - board_No(bp), port_No(port)); -#endif - break; - } - cnt = sbus_readb(&bp->r[chip]->r[CD180_RDR]); - *tty->flip.char_buf_ptr++ = cnt; - *tty->flip.flag_buf_ptr++ = 0; - tty->flip.count++; - } - queue_task(&tty->flip.tqueue, &tq_timer); -} - -static void aurora_transmit(struct Aurora_board const * bp, int chip) -{ - struct Aurora_port *port; - struct tty_struct *tty; - unsigned char count; - - if (!(port = aurora_get_port(bp, chip, "Transmit"))) - return; - - tty = port->tty; - - if (port->SRER & SRER_TXEMPTY) { - /* FIFO drained */ - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - port->SRER &= ~SRER_TXEMPTY; - sbus_writeb(port->SRER, &bp->r[chip]->r[CD180_SRER]); - return; - } - - if ((port->xmit_cnt <= 0 && !port->break_length) - || tty->stopped || tty->hw_stopped) { - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - port->SRER &= ~SRER_TXRDY; - sbus_writeb(port->SRER, - &bp->r[chip]->r[CD180_SRER]); - return; - } - - if (port->break_length) { - if (port->break_length > 0) { - if (port->COR2 & COR2_ETC) { - sbus_writeb(CD180_C_ESC, - &bp->r[chip]->r[CD180_TDR]); - sbus_writeb(CD180_C_SBRK, - &bp->r[chip]->r[CD180_TDR]); - port->COR2 &= ~COR2_ETC; - } - count = min(port->break_length, 0xff); - sbus_writeb(CD180_C_ESC, - &bp->r[chip]->r[CD180_TDR]); - sbus_writeb(CD180_C_DELAY, - &bp->r[chip]->r[CD180_TDR]); - sbus_writeb(count, - &bp->r[chip]->r[CD180_TDR]); - if (!(port->break_length -= count)) - port->break_length--; - } else { - sbus_writeb(CD180_C_ESC, - &bp->r[chip]->r[CD180_TDR]); - sbus_writeb(CD180_C_EBRK, - &bp->r[chip]->r[CD180_TDR]); - sbus_writeb(port->COR2, - &bp->r[chip]->r[CD180_COR2]); - aurora_wait_CCR(bp->r[chip]); - sbus_writeb(CCR_CORCHG2, - &bp->r[chip]->r[CD180_CCR]); - port->break_length = 0; - } - return; - } - - count = CD180_NFIFO; - do { - u8 byte = port->xmit_buf[port->xmit_tail++]; - - sbus_writeb(byte, &bp->r[chip]->r[CD180_TDR]); - port->xmit_tail = port->xmit_tail & (SERIAL_XMIT_SIZE-1); - if (--port->xmit_cnt <= 0) - break; - } while (--count > 0); - - if (port->xmit_cnt <= 0) { - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - port->SRER &= ~SRER_TXRDY; - sbus_writeb(port->SRER, - &bp->r[chip]->r[CD180_SRER]); - } - if (port->xmit_cnt <= port->wakeup_chars) - aurora_mark_event(port, RS_EVENT_WRITE_WAKEUP); -} - -static void aurora_check_modem(struct Aurora_board const * bp, int chip) -{ - struct Aurora_port *port; - struct tty_struct *tty; - unsigned char mcr; - - if (!(port = aurora_get_port(bp, chip, "Modem"))) - return; - - tty = port->tty; - - mcr = sbus_readb(&bp->r[chip]->r[CD180_MCR]); - if (mcr & MCR_CDCHG) { - if (sbus_readb(&bp->r[chip]->r[CD180_MSVR]) & MSVR_CD) - wake_up_interruptible(&port->open_wait); - else - schedule_task(&port->tqueue_hangup); - } - -/* We don't have such things yet. My aurora board has DTR and RTS swapped, but that doesn't count in this driver. Let's hope - * Aurora didn't made any boards with CTS or DSR broken... - */ -/* #ifdef AURORA_BRAIN_DAMAGED_CTS - if (mcr & MCR_CTSCHG) { - if (aurora_in(bp, CD180_MSVR) & MSVR_CTS) { - tty->hw_stopped = 0; - port->SRER |= SRER_TXRDY; - if (port->xmit_cnt <= port->wakeup_chars) - aurora_mark_event(port, RS_EVENT_WRITE_WAKEUP); - } else { - tty->hw_stopped = 1; - port->SRER &= ~SRER_TXRDY; - } - sbus_writeb(port->SRER, &bp->r[chip]->r[CD180_SRER]); - } - if (mcr & MCR_DSRCHG) { - if (aurora_in(bp, CD180_MSVR) & MSVR_DSR) { - tty->hw_stopped = 0; - port->SRER |= SRER_TXRDY; - if (port->xmit_cnt <= port->wakeup_chars) - aurora_mark_event(port, RS_EVENT_WRITE_WAKEUP); - } else { - tty->hw_stopped = 1; - port->SRER &= ~SRER_TXRDY; - } - sbus_writeb(port->SRER, &bp->r[chip]->r[CD180_SRER]); - } -#endif AURORA_BRAIN_DAMAGED_CTS */ - - /* Clear change bits */ - sbus_writeb(0, &bp->r[chip]->r[CD180_MCR]); -} - -/* The main interrupt processing routine */ -static irqreturn_t aurora_interrupt(int irq, void * dev_id) -{ - unsigned char status; - unsigned char ack,chip/*,chip_id*/; - struct Aurora_board * bp = (struct Aurora_board *) dev_id; - unsigned long loop = 0; - -#ifdef AURORA_INT_DEBUG - printk("IRQ%d %d\n",irq,++irqhit); -#ifdef AURORA_FLOODPRO - if (irqhit>=AURORA_FLOODPRO) - sbus_writeb(8, &bp->r0->r); -#endif -#endif - -/* old bp = IRQ_to_board[irq&0x0f];*/ - - if (!bp || !(bp->flags & AURORA_BOARD_ACTIVE)) - return IRQ_NONE; - -/* The while() below takes care of this. - status = sbus_readb(&bp->r[0]->r[CD180_SRSR]); -#ifdef AURORA_INT_DEBUG - printk("mumu: %02x\n", status); -#endif - if (!(status&SRSR_ANYINT)) - return IRQ_NONE; * Nobody has anything to say, so exit * -*/ - while ((loop++ < 48) && - (status = sbus_readb(&bp->r[0]->r[CD180_SRSR]) & SRSR_ANYINT)){ -#ifdef AURORA_INT_DEBUG - printk("SRSR: %02x\n", status); -#endif - if (status & SRSR_REXT) { - ack = sbus_readb(&bp->r3->r[bp->ACK_RINT]); -#ifdef AURORA_INT_DEBUG - printk("R-ACK %02x\n", ack); -#endif - if ((ack >> 5) == board_No(bp)) { - if ((chip=((ack>>3)&3)-1) < AURORA_NCD180) { - if ((ack&GSVR_ITMASK)==GSVR_IT_RGD) { - aurora_receive(bp,chip); - sbus_writeb(0, - &bp->r[chip]->r[CD180_EOSRR]); - } else if ((ack & GSVR_ITMASK) == GSVR_IT_REXC) { - aurora_receive_exc(bp,chip); - sbus_writeb(0, - &bp->r[chip]->r[CD180_EOSRR]); - } - } - } - } else if (status & SRSR_TEXT) { - ack = sbus_readb(&bp->r3->r[bp->ACK_TINT]); -#ifdef AURORA_INT_DEBUG - printk("T-ACK %02x\n", ack); -#endif - if ((ack >> 5) == board_No(bp)) { - if ((chip=((ack>>3)&3)-1) < AURORA_NCD180) { - if ((ack&GSVR_ITMASK)==GSVR_IT_TX) { - aurora_transmit(bp,chip); - sbus_writeb(0, - &bp->r[chip]->r[CD180_EOSRR]); - } - } - } - } else if (status & SRSR_MEXT) { - ack = sbus_readb(&bp->r3->r[bp->ACK_MINT]); -#ifdef AURORA_INT_DEBUG - printk("M-ACK %02x\n", ack); -#endif - if ((ack >> 5) == board_No(bp)) { - if ((chip = ((ack>>3)&3)-1) < AURORA_NCD180) { - if ((ack&GSVR_ITMASK)==GSVR_IT_MDM) { - aurora_check_modem(bp,chip); - sbus_writeb(0, - &bp->r[chip]->r[CD180_EOSRR]); - } - } - } - } - } -/* I guess this faster code can be used with CD1865, using AUROPRI and GLOBPRI. */ -#if 0 - while ((loop++ < 48)&&(status=bp->r[0]->r[CD180_SRSR]&SRSR_ANYINT)){ -#ifdef AURORA_INT_DEBUG - printk("SRSR: %02x\n",status); -#endif - ack = sbus_readb(&bp->r3->r[0]); -#ifdef AURORA_INT_DEBUG - printk("ACK: %02x\n",ack); -#endif - if ((ack>>5)==board_No(bp)) { - if ((chip=((ack>>3)&3)-1) < AURORA_NCD180) { - ack&=GSVR_ITMASK; - if (ack==GSVR_IT_RGD) { - aurora_receive(bp,chip); - sbus_writeb(0, - &bp->r[chip]->r[CD180_EOSRR]); - } else if (ack==GSVR_IT_REXC) { - aurora_receive_exc(bp,chip); - sbus_writeb(0, - &bp->r[chip]->r[CD180_EOSRR]); - } else if (ack==GSVR_IT_TX) { - aurora_transmit(bp,chip); - sbus_writeb(0, - &bp->r[chip]->r[CD180_EOSRR]); - } else if (ack==GSVR_IT_MDM) { - aurora_check_modem(bp,chip); - sbus_writeb(0, - &bp->r[chip]->r[CD180_EOSRR]); - } - } - } - } -#endif - -/* This is the old handling routine, used in riscom8 for only one CD180. I keep it here for reference. */ -#if 0 - for(chip=0;chip<AURORA_NCD180;chip++){ - chip_id=(board_No(bp)<<5)|((chip+1)<<3); - loop=0; - while ((loop++ < 1) && - ((status = sbus_readb(&bp->r[chip]->r[CD180_SRSR])) & - (SRSR_TEXT | SRSR_MEXT | SRSR_REXT))) { - - if (status & SRSR_REXT) { - ack = sbus_readb(&bp->r3->r[bp->ACK_RINT]); - if (ack == (chip_id | GSVR_IT_RGD)) { -#ifdef AURORA_INTMSG - printk("RX ACK\n"); -#endif - aurora_receive(bp,chip); - } else if (ack == (chip_id | GSVR_IT_REXC)) { -#ifdef AURORA_INTMSG - printk("RXC ACK\n"); -#endif - aurora_receive_exc(bp,chip); - } else { -#ifdef AURORA_INTNORM - printk("aurora%d-%d: Bad receive ack 0x%02x.\n", - board_No(bp), chip, ack); -#endif - } - } else if (status & SRSR_TEXT) { - ack = sbus_readb(&bp->r3->r[bp->ACK_TINT]); - if (ack == (chip_id | GSVR_IT_TX)){ -#ifdef AURORA_INTMSG - printk("TX ACK\n"); -#endif - aurora_transmit(bp,chip); - } else { -#ifdef AURORA_INTNORM - printk("aurora%d-%d: Bad transmit ack 0x%02x.\n", - board_No(bp), chip, ack); -#endif - } - } else if (status & SRSR_MEXT) { - ack = sbus_readb(&bp->r3->r[bp->ACK_MINT]); - if (ack == (chip_id | GSVR_IT_MDM)){ -#ifdef AURORA_INTMSG - printk("MDM ACK\n"); -#endif - aurora_check_modem(bp,chip); - } else { -#ifdef AURORA_INTNORM - printk("aurora%d-%d: Bad modem ack 0x%02x.\n", - board_No(bp), chip, ack); -#endif - } - } - sbus_writeb(0, &bp->r[chip]->r[CD180_EOSRR]); - } - } -#endif - - return IRQ_HANDLED; -} - -#ifdef AURORA_INT_DEBUG -static void aurora_timer (unsigned long ignored); - -static DEFINE_TIMER(aurora_poll_timer, aurora_timer, 0, 0); - -static void -aurora_timer (unsigned long ignored) -{ - unsigned long flags; - int i; - - save_flags(flags); cli(); - - printk("SRSR: %02x,%02x - ", - sbus_readb(&aurora_board[0].r[0]->r[CD180_SRSR]), - sbus_readb(&aurora_board[0].r[1]->r[CD180_SRSR])); - for (i = 0; i < 4; i++) { - udelay(1); - printk("%02x ", - sbus_readb(&aurora_board[0].r3->r[i])); - } - printk("\n"); - - aurora_poll_timer.expires = jiffies + 300; - add_timer (&aurora_poll_timer); - - restore_flags(flags); -} -#endif - -/* - * Routines for open & close processing. - */ - -/* Called with disabled interrupts */ -static int aurora_setup_board(struct Aurora_board * bp) -{ - int error; - -#ifdef AURORA_ALLIRQ - int i; - for (i = 0; i < AURORA_ALLIRQ; i++) { - error = request_irq(allirq[i]|0x30, aurora_interrupt, IRQF_SHARED, - "sio16", bp); - if (error) - printk(KERN_ERR "IRQ%d request error %d\n", - allirq[i], error); - } -#else - error = request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, - "sio16", bp); - if (error) { - printk(KERN_ERR "IRQ request error %d\n", error); - return error; - } -#endif - /* Board reset */ - sbus_writeb(0, &bp->r0->r); - udelay(1); - if (bp->flags & AURORA_BOARD_TYPE_2) { - /* unknown yet */ - } else { - sbus_writeb((AURORA_CFG_ENABLE_IO | AURORA_CFG_ENABLE_IRQ | - (((bp->irq)&0x0f)>>2)), - &bp->r0->r); - } - udelay(10000); - - if (aurora_init_CD180(bp,0))error=1;error=0; - if (aurora_init_CD180(bp,1))error++; - if (error == AURORA_NCD180) { - printk(KERN_ERR "Both chips failed initialisation.\n"); - return -EIO; - } - -#ifdef AURORA_INT_DEBUG - aurora_poll_timer.expires= jiffies + 1; - add_timer(&aurora_poll_timer); -#endif -#ifdef AURORA_DEBUG - printk("aurora_setup_board: end\n"); -#endif - return 0; -} - -/* Called with disabled interrupts */ -static void aurora_shutdown_board(struct Aurora_board *bp) -{ - int i; - -#ifdef AURORA_DEBUG - printk("aurora_shutdown_board: start\n"); -#endif - -#ifdef AURORA_INT_DEBUG - del_timer(&aurora_poll_timer); -#endif - -#ifdef AURORA_ALLIRQ - for(i=0;i<AURORA_ALLIRQ;i++){ - free_irq(allirq[i]|0x30, bp); -/* IRQ_to_board[allirq[i]&0xf] = NULL;*/ - } -#else - free_irq(bp->irq|0x30, bp); -/* IRQ_to_board[bp->irq&0xf] = NULL;*/ -#endif - /* Drop all DTR's */ - for(i=0;i<16;i++){ - sbus_writeb(i & 7, &bp->r[i>>3]->r[CD180_CAR]); - udelay(1); - sbus_writeb(0, &bp->r[i>>3]->r[CD180_MSVR]); - udelay(1); - } - /* Board shutdown */ - sbus_writeb(0, &bp->r0->r); - -#ifdef AURORA_DEBUG - printk("aurora_shutdown_board: end\n"); -#endif -} - -/* Setting up port characteristics. - * Must be called with disabled interrupts - */ -static void aurora_change_speed(struct Aurora_board *bp, struct Aurora_port *port) -{ - struct tty_struct *tty; - unsigned long baud; - long tmp; - unsigned char cor1 = 0, cor3 = 0; - unsigned char mcor1 = 0, mcor2 = 0,chip; - -#ifdef AURORA_DEBUG - printk("aurora_change_speed: start\n"); -#endif - if (!(tty = port->tty) || !tty->termios) - return; - - chip = AURORA_CD180(port_No(port)); - - port->SRER = 0; - port->COR2 = 0; - port->MSVR = MSVR_RTS|MSVR_DTR; - - baud = tty_get_baud_rate(tty); - - /* Select port on the board */ - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - - if (!baud) { - /* Drop DTR & exit */ - port->MSVR &= ~(bp->DTR|bp->RTS); - sbus_writeb(port->MSVR, - &bp->r[chip]->r[CD180_MSVR]); - return; - } else { - /* Set DTR on */ - port->MSVR |= bp->DTR; - sbus_writeb(port->MSVR, - &bp->r[chip]->r[CD180_MSVR]); - } - - /* Now we must calculate some speed dependent things. */ - - /* Set baud rate for port. */ - tmp = (((bp->oscfreq + baud/2) / baud + - CD180_TPC/2) / CD180_TPC); - -/* tmp = (bp->oscfreq/7)/baud; - if((tmp%10)>4)tmp=tmp/10+1;else tmp=tmp/10;*/ -/* printk("Prescaler period: %d\n",tmp);*/ - - sbus_writeb((tmp >> 8) & 0xff, - &bp->r[chip]->r[CD180_RBPRH]); - sbus_writeb((tmp >> 8) & 0xff, - &bp->r[chip]->r[CD180_TBPRH]); - sbus_writeb(tmp & 0xff, &bp->r[chip]->r[CD180_RBPRL]); - sbus_writeb(tmp & 0xff, &bp->r[chip]->r[CD180_TBPRL]); - - baud = (baud + 5) / 10; /* Estimated CPS */ - - /* Two timer ticks seems enough to wakeup something like SLIP driver */ - tmp = ((baud + HZ/2) / HZ) * 2 - CD180_NFIFO; - port->wakeup_chars = (tmp < 0) ? 0 : ((tmp >= SERIAL_XMIT_SIZE) ? - SERIAL_XMIT_SIZE - 1 : tmp); - - /* Receiver timeout will be transmission time for 1.5 chars */ - tmp = (AURORA_TPS + AURORA_TPS/2 + baud/2) / baud; - tmp = (tmp > 0xff) ? 0xff : tmp; - sbus_writeb(tmp, &bp->r[chip]->r[CD180_RTPR]); - - switch (C_CSIZE(tty)) { - case CS5: - cor1 |= COR1_5BITS; - break; - case CS6: - cor1 |= COR1_6BITS; - break; - case CS7: - cor1 |= COR1_7BITS; - break; - case CS8: - cor1 |= COR1_8BITS; - break; - } - - if (C_CSTOPB(tty)) - cor1 |= COR1_2SB; - - cor1 |= COR1_IGNORE; - if (C_PARENB(tty)) { - cor1 |= COR1_NORMPAR; - if (C_PARODD(tty)) - cor1 |= COR1_ODDP; - if (I_INPCK(tty)) - cor1 &= ~COR1_IGNORE; - } - /* Set marking of some errors */ - port->mark_mask = RCSR_OE | RCSR_TOUT; - if (I_INPCK(tty)) - port->mark_mask |= RCSR_FE | RCSR_PE; - if (I_BRKINT(tty) || I_PARMRK(tty)) - port->mark_mask |= RCSR_BREAK; - if (I_IGNPAR(tty)) - port->mark_mask &= ~(RCSR_FE | RCSR_PE); - if (I_IGNBRK(tty)) { - port->mark_mask &= ~RCSR_BREAK; - if (I_IGNPAR(tty)) - /* Real raw mode. Ignore all */ - port->mark_mask &= ~RCSR_OE; - } - /* Enable Hardware Flow Control */ - if (C_CRTSCTS(tty)) { -/*#ifdef AURORA_BRAIN_DAMAGED_CTS - port->SRER |= SRER_DSR | SRER_CTS; - mcor1 |= MCOR1_DSRZD | MCOR1_CTSZD; - mcor2 |= MCOR2_DSROD | MCOR2_CTSOD; - tty->hw_stopped = !(aurora_in(bp, CD180_MSVR) & (MSVR_CTS|MSVR_DSR)); -#else*/ - port->COR2 |= COR2_CTSAE; -/*#endif*/ - if (bp->flags&AURORA_BOARD_DTR_FLOW_OK) { - mcor1 |= AURORA_RXTH; - } - } - /* Enable Software Flow Control. FIXME: I'm not sure about this */ - /* Some people reported that it works, but I still doubt */ - if (I_IXON(tty)) { - port->COR2 |= COR2_TXIBE; - cor3 |= (COR3_FCT | COR3_SCDE); - if (I_IXANY(tty)) - port->COR2 |= COR2_IXM; - sbus_writeb(START_CHAR(tty), - &bp->r[chip]->r[CD180_SCHR1]); - sbus_writeb(STOP_CHAR(tty), - &bp->r[chip]->r[CD180_SCHR2]); - sbus_writeb(START_CHAR(tty), - &bp->r[chip]->r[CD180_SCHR3]); - sbus_writeb(STOP_CHAR(tty), - &bp->r[chip]->r[CD180_SCHR4]); - } - if (!C_CLOCAL(tty)) { - /* Enable CD check */ - port->SRER |= SRER_CD; - mcor1 |= MCOR1_CDZD; - mcor2 |= MCOR2_CDOD; - } - - if (C_CREAD(tty)) - /* Enable receiver */ - port->SRER |= SRER_RXD; - - /* Set input FIFO size (1-8 bytes) */ - cor3 |= AURORA_RXFIFO; - /* Setting up CD180 channel registers */ - sbus_writeb(cor1, &bp->r[chip]->r[CD180_COR1]); - sbus_writeb(port->COR2, &bp->r[chip]->r[CD180_COR2]); - sbus_writeb(cor3, &bp->r[chip]->r[CD180_COR3]); - /* Make CD180 know about registers change */ - aurora_wait_CCR(bp->r[chip]); - sbus_writeb(CCR_CORCHG1 | CCR_CORCHG2 | CCR_CORCHG3, - &bp->r[chip]->r[CD180_CCR]); - /* Setting up modem option registers */ - sbus_writeb(mcor1, &bp->r[chip]->r[CD180_MCOR1]); - sbus_writeb(mcor2, &bp->r[chip]->r[CD180_MCOR2]); - /* Enable CD180 transmitter & receiver */ - aurora_wait_CCR(bp->r[chip]); - sbus_writeb(CCR_TXEN | CCR_RXEN, &bp->r[chip]->r[CD180_CCR]); - /* Enable interrupts */ - sbus_writeb(port->SRER, &bp->r[chip]->r[CD180_SRER]); - /* And finally set RTS on */ - sbus_writeb(port->MSVR, &bp->r[chip]->r[CD180_MSVR]); -#ifdef AURORA_DEBUG - printk("aurora_change_speed: end\n"); -#endif -} - -/* Must be called with interrupts enabled */ -static int aurora_setup_port(struct Aurora_board *bp, struct Aurora_port *port) -{ - unsigned long flags; - -#ifdef AURORA_DEBUG - printk("aurora_setup_port: start %d\n",port_No(port)); -#endif - if (port->flags & ASYNC_INITIALIZED) - return 0; - - if (!port->xmit_buf) { - /* We may sleep in get_zeroed_page() */ - unsigned long tmp; - - if (!(tmp = get_zeroed_page(GFP_KERNEL))) - return -ENOMEM; - - if (port->xmit_buf) { - free_page(tmp); - return -ERESTARTSYS; - } - port->xmit_buf = (unsigned char *) tmp; - } - - save_flags(flags); cli(); - - if (port->tty) - clear_bit(TTY_IO_ERROR, &port->tty->flags); - -#ifdef MODULE - if ((port->count == 1) && ((++bp->count) == 1)) - bp->flags |= AURORA_BOARD_ACTIVE; -#endif - - port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; - aurora_change_speed(bp, port); - port->flags |= ASYNC_INITIALIZED; - - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_setup_port: end\n"); -#endif - return 0; -} - -/* Must be called with interrupts disabled */ -static void aurora_shutdown_port(struct Aurora_board *bp, struct Aurora_port *port) -{ - struct tty_struct *tty; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_shutdown_port: start\n"); -#endif - if (!(port->flags & ASYNC_INITIALIZED)) - return; - - chip = AURORA_CD180(port_No(port)); - -#ifdef AURORA_REPORT_OVERRUN - printk("aurora%d: port %d: Total %ld overruns were detected.\n", - board_No(bp), port_No(port), port->overrun); -#endif -#ifdef AURORA_REPORT_FIFO - { - int i; - - printk("aurora%d: port %d: FIFO hits [ ", - board_No(bp), port_No(port)); - for (i = 0; i < 10; i++) { - printk("%ld ", port->hits[i]); - } - printk("].\n"); - } -#endif - if (port->xmit_buf) { - free_page((unsigned long) port->xmit_buf); - port->xmit_buf = NULL; - } - - if (!(tty = port->tty) || C_HUPCL(tty)) { - /* Drop DTR */ - port->MSVR &= ~(bp->DTR|bp->RTS); - sbus_writeb(port->MSVR, - &bp->r[chip]->r[CD180_MSVR]); - } - - /* Select port */ - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - - /* Reset port */ - aurora_wait_CCR(bp->r[chip]); - sbus_writeb(CCR_SOFTRESET, &bp->r[chip]->r[CD180_CCR]); - - /* Disable all interrupts from this port */ - port->SRER = 0; - sbus_writeb(port->SRER, &bp->r[chip]->r[CD180_SRER]); - - if (tty) - set_bit(TTY_IO_ERROR, &tty->flags); - port->flags &= ~ASYNC_INITIALIZED; - -#ifdef MODULE - if (--bp->count < 0) { - printk(KERN_DEBUG "aurora%d: aurora_shutdown_port: " - "bad board count: %d\n", - board_No(bp), bp->count); - bp->count = 0; - } - - if (!bp->count) - bp->flags &= ~AURORA_BOARD_ACTIVE; -#endif - -#ifdef AURORA_DEBUG - printk("aurora_shutdown_port: end\n"); -#endif -} - - -static int block_til_ready(struct tty_struct *tty, struct file * filp, - struct Aurora_port *port) -{ - DECLARE_WAITQUEUE(wait, current); - struct Aurora_board *bp = port_Board(port); - int retval; - int do_clocal = 0; - int CD; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("block_til_ready: start\n"); -#endif - chip = AURORA_CD180(port_No(port)); - - /* If the device is in the middle of being closed, then block - * until it's done, and then try again. - */ - if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { - interruptible_sleep_on(&port->close_wait); - if (port->flags & ASYNC_HUP_NOTIFY) - return -EAGAIN; - else - return -ERESTARTSYS; - } - - /* If non-blocking mode is set, or the port is not enabled, - * then make the check up front and then exit. - */ - if ((filp->f_flags & O_NONBLOCK) || - (tty->flags & (1 << TTY_IO_ERROR))) { - port->flags |= ASYNC_NORMAL_ACTIVE; - return 0; - } - - if (C_CLOCAL(tty)) - do_clocal = 1; - - /* Block waiting for the carrier detect and the line to become - * free (i.e., not in use by the callout). While we are in - * this loop, info->count is dropped by one, so that - * rs_close() knows when to free things. We restore it upon - * exit, either normal or abnormal. - */ - retval = 0; - add_wait_queue(&port->open_wait, &wait); - cli(); - if (!tty_hung_up_p(filp)) - port->count--; - sti(); - port->blocked_open++; - while (1) { - cli(); - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - CD = sbus_readb(&bp->r[chip]->r[CD180_MSVR]) & MSVR_CD; - port->MSVR=bp->RTS; - - /* auto drops DTR */ - sbus_writeb(port->MSVR, &bp->r[chip]->r[CD180_MSVR]); - sti(); - set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) || - !(port->flags & ASYNC_INITIALIZED)) { - if (port->flags & ASYNC_HUP_NOTIFY) - retval = -EAGAIN; - else - retval = -ERESTARTSYS; - break; - } - if (!(port->flags & ASYNC_CLOSING) && - (do_clocal || CD)) - break; - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } - schedule(); - } - current->state = TASK_RUNNING; - remove_wait_queue(&port->open_wait, &wait); - if (!tty_hung_up_p(filp)) - port->count++; - port->blocked_open--; - if (retval) - return retval; - - port->flags |= ASYNC_NORMAL_ACTIVE; -#ifdef AURORA_DEBUG - printk("block_til_ready: end\n"); -#endif - return 0; -} - -static int aurora_open(struct tty_struct * tty, struct file * filp) -{ - int board; - int error; - struct Aurora_port * port; - struct Aurora_board * bp; - unsigned long flags; - -#ifdef AURORA_DEBUG - printk("aurora_open: start\n"); -#endif - - board = AURORA_BOARD(tty->index); - if (board > AURORA_NBOARD || - !(aurora_board[board].flags & AURORA_BOARD_PRESENT)) { -#ifdef AURORA_DEBUG - printk("aurora_open: error board %d present %d\n", - board, aurora_board[board].flags & AURORA_BOARD_PRESENT); -#endif - return -ENODEV; - } - - bp = &aurora_board[board]; - port = aurora_port + board * AURORA_NPORT * AURORA_NCD180 + AURORA_PORT(tty->index); - if ((aurora_paranoia_check(port, tty->name, "aurora_open")) { -#ifdef AURORA_DEBUG - printk("aurora_open: error paranoia check\n"); -#endif - return -ENODEV; - } - - port->count++; - tty->driver_data = port; - port->tty = tty; - - if ((error = aurora_setup_port(bp, port))) { -#ifdef AURORA_DEBUG - printk("aurora_open: error aurora_setup_port ret %d\n",error); -#endif - return error; - } - - if ((error = block_til_ready(tty, filp, port))) { -#ifdef AURORA_DEBUG - printk("aurora_open: error block_til_ready ret %d\n",error); -#endif - return error; - } - -#ifdef AURORA_DEBUG - printk("aurora_open: end\n"); -#endif - return 0; -} - -static void aurora_close(struct tty_struct * tty, struct file * filp) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - struct Aurora_board *bp; - unsigned long flags; - unsigned long timeout; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_close: start\n"); -#endif - - if (!port || (aurora_paranoia_check(port, tty->name, "close")) - return; - - chip = AURORA_CD180(port_No(port)); - - save_flags(flags); cli(); - if (tty_hung_up_p(filp)) { - restore_flags(flags); - return; - } - - bp = port_Board(port); - if ((tty->count == 1) && (port->count != 1)) { - printk(KERN_DEBUG "aurora%d: aurora_close: bad port count; " - "tty->count is 1, port count is %d\n", - board_No(bp), port->count); - port->count = 1; - } - if (--port->count < 0) { - printk(KERN_DEBUG "aurora%d: aurora_close: bad port " - "count for tty%d: %d\n", - board_No(bp), port_No(port), port->count); - port->count = 0; - } - if (port->count) { - restore_flags(flags); - return; - } - port->flags |= ASYNC_CLOSING; - - /* Now we wait for the transmit buffer to clear; and we notify - * the line discipline to only process XON/XOFF characters. - */ - tty->closing = 1; - if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE){ -#ifdef AURORA_DEBUG - printk("aurora_close: waiting to flush...\n"); -#endif - tty_wait_until_sent(tty, port->closing_wait); - } - - /* At this point we stop accepting input. To do this, we - * disable the receive line status interrupts, and tell the - * interrupt driver to stop checking the data ready bit in the - * line status register. - */ - port->SRER &= ~SRER_RXD; - if (port->flags & ASYNC_INITIALIZED) { - port->SRER &= ~SRER_TXRDY; - port->SRER |= SRER_TXEMPTY; - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - sbus_writeb(port->SRER, &bp->r[chip]->r[CD180_SRER]); - /* - * Before we drop DTR, make sure the UART transmitter - * has completely drained; this is especially - * important if there is a transmit FIFO! - */ - timeout = jiffies+HZ; - while(port->SRER & SRER_TXEMPTY) { - msleep_interruptible(jiffies_to_msecs(port->timeout)); - if (time_after(jiffies, timeout)) - break; - } - } -#ifdef AURORA_DEBUG - printk("aurora_close: shutdown_port\n"); -#endif - aurora_shutdown_port(bp, port); - if (tty->driver->flush_buffer) - tty->driver->flush_buffer(tty); - tty_ldisc_flush(tty); - tty->closing = 0; - port->event = 0; - port->tty = 0; - if (port->blocked_open) { - if (port->close_delay) { - msleep_interruptible(jiffies_to_msecs(port->close_delay)); - } - wake_up_interruptible(&port->open_wait); - } - port->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&port->close_wait); - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_close: end\n"); -#endif -} - -static int aurora_write(struct tty_struct * tty, - const unsigned char *buf, int count) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - struct Aurora_board *bp; - int c, total = 0; - unsigned long flags; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_write: start %d\n",count); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_write")) - return 0; - - chip = AURORA_CD180(port_No(port)); - - bp = port_Board(port); - - if (!tty || !port->xmit_buf || !tmp_buf) - return 0; - - save_flags(flags); - while (1) { - cli(); - c = min(count, min(SERIAL_XMIT_SIZE - port->xmit_cnt - 1, - SERIAL_XMIT_SIZE - port->xmit_head)); - if (c <= 0) { - restore_flags(flags); - break; - } - memcpy(port->xmit_buf + port->xmit_head, buf, c); - port->xmit_head = (port->xmit_head + c) & (SERIAL_XMIT_SIZE-1); - port->xmit_cnt += c; - restore_flags(flags); - - buf += c; - count -= c; - total += c; - } - - cli(); - if (port->xmit_cnt && !tty->stopped && !tty->hw_stopped && - !(port->SRER & SRER_TXRDY)) { - port->SRER |= SRER_TXRDY; - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - sbus_writeb(port->SRER, &bp->r[chip]->r[CD180_SRER]); - } - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_write: end %d\n",total); -#endif - return total; -} - -static void aurora_put_char(struct tty_struct * tty, unsigned char ch) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - unsigned long flags; - -#ifdef AURORA_DEBUG - printk("aurora_put_char: start %c\n",ch); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_put_char")) - return; - - if (!tty || !port->xmit_buf) - return; - - save_flags(flags); cli(); - - if (port->xmit_cnt >= SERIAL_XMIT_SIZE - 1) { - restore_flags(flags); - return; - } - - port->xmit_buf[port->xmit_head++] = ch; - port->xmit_head &= SERIAL_XMIT_SIZE - 1; - port->xmit_cnt++; - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_put_char: end\n"); -#endif -} - -static void aurora_flush_chars(struct tty_struct * tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - unsigned long flags; - unsigned char chip; - -/*#ifdef AURORA_DEBUG - printk("aurora_flush_chars: start\n"); -#endif*/ - if ((aurora_paranoia_check(port, tty->name, "aurora_flush_chars")) - return; - - chip = AURORA_CD180(port_No(port)); - - if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || - !port->xmit_buf) - return; - - save_flags(flags); cli(); - port->SRER |= SRER_TXRDY; - sbus_writeb(port_No(port) & 7, - &port_Board(port)->r[chip]->r[CD180_CAR]); - udelay(1); - sbus_writeb(port->SRER, - &port_Board(port)->r[chip]->r[CD180_SRER]); - restore_flags(flags); -/*#ifdef AURORA_DEBUG - printk("aurora_flush_chars: end\n"); -#endif*/ -} - -static int aurora_write_room(struct tty_struct * tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - int ret; - -#ifdef AURORA_DEBUG - printk("aurora_write_room: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_write_room")) - return 0; - - ret = SERIAL_XMIT_SIZE - port->xmit_cnt - 1; - if (ret < 0) - ret = 0; -#ifdef AURORA_DEBUG - printk("aurora_write_room: end\n"); -#endif - return ret; -} - -static int aurora_chars_in_buffer(struct tty_struct *tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - - if ((aurora_paranoia_check(port, tty->name, "aurora_chars_in_buffer")) - return 0; - - return port->xmit_cnt; -} - -static void aurora_flush_buffer(struct tty_struct *tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - unsigned long flags; - -#ifdef AURORA_DEBUG - printk("aurora_flush_buffer: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_flush_buffer")) - return; - - save_flags(flags); cli(); - port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; - restore_flags(flags); - - tty_wakeup(tty); -#ifdef AURORA_DEBUG - printk("aurora_flush_buffer: end\n"); -#endif -} - -static int aurora_tiocmget(struct tty_struct *tty, struct file *file) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - struct Aurora_board * bp; - unsigned char status,chip; - unsigned int result; - unsigned long flags; - -#ifdef AURORA_DEBUG - printk("aurora_get_modem_info: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, __FUNCTION__)) - return -ENODEV; - - chip = AURORA_CD180(port_No(port)); - - bp = port_Board(port); - - save_flags(flags); cli(); - - sbus_writeb(port_No(port) & 7, &bp->r[chip]->r[CD180_CAR]); - udelay(1); - - status = sbus_readb(&bp->r[chip]->r[CD180_MSVR]); - result = 0/*bp->r[chip]->r[AURORA_RI] & (1u << port_No(port)) ? 0 : TIOCM_RNG*/; - - restore_flags(flags); - - result |= ((status & bp->RTS) ? TIOCM_RTS : 0) - | ((status & bp->DTR) ? TIOCM_DTR : 0) - | ((status & MSVR_CD) ? TIOCM_CAR : 0) - | ((status & MSVR_DSR) ? TIOCM_DSR : 0) - | ((status & MSVR_CTS) ? TIOCM_CTS : 0); - -#ifdef AURORA_DEBUG - printk("aurora_get_modem_info: end\n"); -#endif - return result; -} - -static int aurora_tiocmset(struct tty_struct *tty, struct file *file, - unsigned int set, unsigned int clear) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - unsigned int arg; - unsigned long flags; - struct Aurora_board *bp = port_Board(port); - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_set_modem_info: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, __FUNCTION__)) - return -ENODEV; - - chip = AURORA_CD180(port_No(port)); - - save_flags(flags); cli(); - if (set & TIOCM_RTS) - port->MSVR |= bp->RTS; - if (set & TIOCM_DTR) - port->MSVR |= bp->DTR; - if (clear & TIOCM_RTS) - port->MSVR &= ~bp->RTS; - if (clear & TIOCM_DTR) - port->MSVR &= ~bp->DTR; - - sbus_writeb(port_No(port) & 7, &bp->r[chip]->r[CD180_CAR]); - udelay(1); - - sbus_writeb(port->MSVR, &bp->r[chip]->r[CD180_MSVR]); - - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_set_modem_info: end\n"); -#endif - return 0; -} - -static void aurora_send_break(struct Aurora_port * port, unsigned long length) -{ - struct Aurora_board *bp = port_Board(port); - unsigned long flags; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_send_break: start\n"); -#endif - chip = AURORA_CD180(port_No(port)); - - save_flags(flags); cli(); - - port->break_length = AURORA_TPS / HZ * length; - port->COR2 |= COR2_ETC; - port->SRER |= SRER_TXRDY; - sbus_writeb(port_No(port) & 7, &bp->r[chip]->r[CD180_CAR]); - udelay(1); - - sbus_writeb(port->COR2, &bp->r[chip]->r[CD180_COR2]); - sbus_writeb(port->SRER, &bp->r[chip]->r[CD180_SRER]); - aurora_wait_CCR(bp->r[chip]); - - sbus_writeb(CCR_CORCHG2, &bp->r[chip]->r[CD180_CCR]); - aurora_wait_CCR(bp->r[chip]); - - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_send_break: end\n"); -#endif -} - -static int aurora_set_serial_info(struct Aurora_port * port, - struct serial_struct * newinfo) -{ - struct serial_struct tmp; - struct Aurora_board *bp = port_Board(port); - int change_speed; - unsigned long flags; - -#ifdef AURORA_DEBUG - printk("aurora_set_serial_info: start\n"); -#endif - if (copy_from_user(&tmp, newinfo, sizeof(tmp))) - return -EFAULT; -#if 0 - if ((tmp.irq != bp->irq) || - (tmp.port != bp->base) || - (tmp.type != PORT_CIRRUS) || - (tmp.baud_base != (bp->oscfreq + CD180_TPC/2) / CD180_TPC) || - (tmp.custom_divisor != 0) || - (tmp.xmit_fifo_size != CD180_NFIFO) || - (tmp.flags & ~AURORA_LEGAL_FLAGS)) - return -EINVAL; -#endif - - change_speed = ((port->flags & ASYNC_SPD_MASK) != - (tmp.flags & ASYNC_SPD_MASK)); - - if (!capable(CAP_SYS_ADMIN)) { - if ((tmp.close_delay != port->close_delay) || - (tmp.closing_wait != port->closing_wait) || - ((tmp.flags & ~ASYNC_USR_MASK) != - (port->flags & ~ASYNC_USR_MASK))) - return -EPERM; - port->flags = ((port->flags & ~ASYNC_USR_MASK) | - (tmp.flags & ASYNC_USR_MASK)); - } else { - port->flags = ((port->flags & ~ASYNC_FLAGS) | - (tmp.flags & ASYNC_FLAGS)); - port->close_delay = tmp.close_delay; - port->closing_wait = tmp.closing_wait; - } - if (change_speed) { - save_flags(flags); cli(); - aurora_change_speed(bp, port); - restore_flags(flags); - } -#ifdef AURORA_DEBUG - printk("aurora_set_serial_info: end\n"); -#endif - return 0; -} - -extern int aurora_get_serial_info(struct Aurora_port * port, - struct serial_struct * retinfo) -{ - struct serial_struct tmp; - struct Aurora_board *bp = port_Board(port); - -#ifdef AURORA_DEBUG - printk("aurora_get_serial_info: start\n"); -#endif - if (!access_ok(VERIFY_WRITE, (void *) retinfo, sizeof(tmp))) - return -EFAULT; - - memset(&tmp, 0, sizeof(tmp)); - tmp.type = PORT_CIRRUS; - tmp.line = port - aurora_port; - tmp.port = 0; - tmp.irq = bp->irq; - tmp.flags = port->flags; - tmp.baud_base = (bp->oscfreq + CD180_TPC/2) / CD180_TPC; - tmp.close_delay = port->close_delay * HZ/100; - tmp.closing_wait = port->closing_wait * HZ/100; - tmp.xmit_fifo_size = CD180_NFIFO; - copy_to_user(retinfo, &tmp, sizeof(tmp)); -#ifdef AURORA_DEBUG -printk("aurora_get_serial_info: end\n"); -#endif - return 0; -} - -static int aurora_ioctl(struct tty_struct * tty, struct file * filp, - unsigned int cmd, unsigned long arg) - -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - int retval; - -#ifdef AURORA_DEBUG - printk("aurora_ioctl: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_ioctl")) - return -ENODEV; - - switch (cmd) { - case TCSBRK: /* SVID version: non-zero arg --> no break */ - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - if (!arg) - aurora_send_break(port, HZ/4); /* 1/4 second */ - return 0; - case TCSBRKP: /* support for POSIX tcsendbreak() */ - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - aurora_send_break(port, arg ? arg*(HZ/10) : HZ/4); - return 0; - case TIOCGSOFTCAR: - return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long *)arg); - case TIOCSSOFTCAR: - if (get_user(arg,(unsigned long *)arg)) - return -EFAULT; - tty->termios->c_cflag = - ((tty->termios->c_cflag & ~CLOCAL) | - (arg ? CLOCAL : 0)); - return 0; - case TIOCGSERIAL: - return aurora_get_serial_info(port, (struct serial_struct *) arg); - case TIOCSSERIAL: - return aurora_set_serial_info(port, (struct serial_struct *) arg); - default: - return -ENOIOCTLCMD; - }; -#ifdef AURORA_DEBUG - printk("aurora_ioctl: end\n"); -#endif - return 0; -} - -static void aurora_throttle(struct tty_struct * tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - struct Aurora_board *bp; - unsigned long flags; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_throttle: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_throttle")) - return; - - bp = port_Board(port); - chip = AURORA_CD180(port_No(port)); - - save_flags(flags); cli(); - port->MSVR &= ~bp->RTS; - sbus_writeb(port_No(port) & 7, &bp->r[chip]->r[CD180_CAR]); - udelay(1); - if (I_IXOFF(tty)) { - aurora_wait_CCR(bp->r[chip]); - sbus_writeb(CCR_SSCH2, &bp->r[chip]->r[CD180_CCR]); - aurora_wait_CCR(bp->r[chip]); - } - sbus_writeb(port->MSVR, &bp->r[chip]->r[CD180_MSVR]); - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_throttle: end\n"); -#endif -} - -static void aurora_unthrottle(struct tty_struct * tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - struct Aurora_board *bp; - unsigned long flags; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_unthrottle: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_unthrottle")) - return; - - bp = port_Board(port); - - chip = AURORA_CD180(port_No(port)); - - save_flags(flags); cli(); - port->MSVR |= bp->RTS; - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - if (I_IXOFF(tty)) { - aurora_wait_CCR(bp->r[chip]); - sbus_writeb(CCR_SSCH1, - &bp->r[chip]->r[CD180_CCR]); - aurora_wait_CCR(bp->r[chip]); - } - sbus_writeb(port->MSVR, &bp->r[chip]->r[CD180_MSVR]); - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_unthrottle: end\n"); -#endif -} - -static void aurora_stop(struct tty_struct * tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - struct Aurora_board *bp; - unsigned long flags; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_stop: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_stop")) - return; - - bp = port_Board(port); - - chip = AURORA_CD180(port_No(port)); - - save_flags(flags); cli(); - port->SRER &= ~SRER_TXRDY; - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - sbus_writeb(port->SRER, - &bp->r[chip]->r[CD180_SRER]); - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_stop: end\n"); -#endif -} - -static void aurora_start(struct tty_struct * tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - struct Aurora_board *bp; - unsigned long flags; - unsigned char chip; - -#ifdef AURORA_DEBUG - printk("aurora_start: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_start")) - return; - - bp = port_Board(port); - - chip = AURORA_CD180(port_No(port)); - - save_flags(flags); cli(); - if (port->xmit_cnt && port->xmit_buf && !(port->SRER & SRER_TXRDY)) { - port->SRER |= SRER_TXRDY; - sbus_writeb(port_No(port) & 7, - &bp->r[chip]->r[CD180_CAR]); - udelay(1); - sbus_writeb(port->SRER, - &bp->r[chip]->r[CD180_SRER]); - } - restore_flags(flags); -#ifdef AURORA_DEBUG - printk("aurora_start: end\n"); -#endif -} - -/* - * This routine is called from the scheduler tqueue when the interrupt - * routine has signalled that a hangup has occurred. The path of - * hangup processing is: - * - * serial interrupt routine -> (scheduler tqueue) -> - * do_aurora_hangup() -> tty->hangup() -> aurora_hangup() - * - */ -static void do_aurora_hangup(void *private_) -{ - struct Aurora_port *port = (struct Aurora_port *) private_; - struct tty_struct *tty; - -#ifdef AURORA_DEBUG - printk("do_aurora_hangup: start\n"); -#endif - tty = port->tty; - if (tty != NULL) { - tty_hangup(tty); /* FIXME: module removal race - AKPM */ -#ifdef AURORA_DEBUG - printk("do_aurora_hangup: end\n"); -#endif - } -} - -static void aurora_hangup(struct tty_struct * tty) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - struct Aurora_board *bp; - -#ifdef AURORA_DEBUG - printk("aurora_hangup: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_hangup")) - return; - - bp = port_Board(port); - - aurora_shutdown_port(bp, port); - port->event = 0; - port->count = 0; - port->flags &= ~ASYNC_NORMAL_ACTIVE; - port->tty = 0; - wake_up_interruptible(&port->open_wait); -#ifdef AURORA_DEBUG - printk("aurora_hangup: end\n"); -#endif -} - -static void aurora_set_termios(struct tty_struct * tty, struct termios * old_termios) -{ - struct Aurora_port *port = (struct Aurora_port *) tty->driver_data; - unsigned long flags; - -#ifdef AURORA_DEBUG - printk("aurora_set_termios: start\n"); -#endif - if ((aurora_paranoia_check(port, tty->name, "aurora_set_termios")) - return; - - if (tty->termios->c_cflag == old_termios->c_cflag && - tty->termios->c_iflag == old_termios->c_iflag) - return; - - save_flags(flags); cli(); - aurora_change_speed(port_Board(port), port); - restore_flags(flags); - - if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios->c_cflag & CRTSCTS)) { - tty->hw_stopped = 0; - aurora_start(tty); - } -#ifdef AURORA_DEBUG - printk("aurora_set_termios: end\n"); -#endif -} - -static void do_aurora_bh(void) -{ - run_task_queue(&tq_aurora); -} - -static void do_softint(void *private_) -{ - struct Aurora_port *port = (struct Aurora_port *) private_; - struct tty_struct *tty; - -#ifdef AURORA_DEBUG - printk("do_softint: start\n"); -#endif - tty = port->tty; - if (tty == NULL) - return; - - if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &port->event)) { - tty_wakeup(tty); - } -#ifdef AURORA_DEBUG - printk("do_softint: end\n"); -#endif -} - -static const struct tty_operations aurora_ops = { - .open = aurora_open, - .close = aurora_close, - .write = aurora_write, - .put_char = aurora_put_char, - .flush_chars = aurora_flush_chars, - .write_room = aurora_write_room, - .chars_in_buffer = aurora_chars_in_buffer, - .flush_buffer = aurora_flush_buffer, - .ioctl = aurora_ioctl, - .throttle = aurora_throttle, - .unthrottle = aurora_unthrottle, - .set_termios = aurora_set_termios, - .stop = aurora_stop, - .start = aurora_start, - .hangup = aurora_hangup, - .tiocmget = aurora_tiocmget, - .tiocmset = aurora_tiocmset, -}; - -static int aurora_init_drivers(void) -{ - int error; - int i; - -#ifdef AURORA_DEBUG - printk("aurora_init_drivers: start\n"); -#endif - tmp_buf = (unsigned char *) get_zeroed_page(GFP_KERNEL); - if (tmp_buf == NULL) { - printk(KERN_ERR "aurora: Couldn't get free page.\n"); - return 1; - } - init_bh(AURORA_BH, do_aurora_bh); - aurora_driver = alloc_tty_driver(AURORA_INPORTS); - if (!aurora_driver) { - printk(KERN_ERR "aurora: Couldn't allocate tty driver.\n"); - free_page((unsigned long) tmp_buf); - return 1; - } - aurora_driver->owner = THIS_MODULE; - aurora_driver->name = "ttyA"; - aurora_driver->major = AURORA_MAJOR; - aurora_driver->type = TTY_DRIVER_TYPE_SERIAL; - aurora_driver->subtype = SERIAL_TYPE_NORMAL; - aurora_driver->init_termios = tty_std_termios; - aurora_driver->init_termios.c_cflag = - B9600 | CS8 | CREAD | HUPCL | CLOCAL; - aurora_driver->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(aurora_driver, &aurora_ops); - error = tty_register_driver(aurora_driver); - if (error) { - put_tty_driver(aurora_driver); - free_page((unsigned long) tmp_buf); - printk(KERN_ERR "aurora: Couldn't register aurora driver, error = %d\n", - error); - return 1; - } - - memset(aurora_port, 0, sizeof(aurora_port)); - for (i = 0; i < AURORA_TNPORTS; i++) { - aurora_port[i].magic = AURORA_MAGIC; - aurora_port[i].tqueue.routine = do_softint; - aurora_port[i].tqueue.data = &aurora_port[i]; - aurora_port[i].tqueue_hangup.routine = do_aurora_hangup; - aurora_port[i].tqueue_hangup.data = &aurora_port[i]; - aurora_port[i].close_delay = 50 * HZ/100; - aurora_port[i].closing_wait = 3000 * HZ/100; - init_waitqueue_head(&aurora_port[i].open_wait); - init_waitqueue_head(&aurora_port[i].close_wait); - } -#ifdef AURORA_DEBUG - printk("aurora_init_drivers: end\n"); -#endif - return 0; -} - -static void aurora_release_drivers(void) -{ -#ifdef AURORA_DEBUG - printk("aurora_release_drivers: start\n"); -#endif - free_page((unsigned long)tmp_buf); - tty_unregister_driver(aurora_driver); - put_tty_driver(aurora_driver); -#ifdef AURORA_DEBUG - printk("aurora_release_drivers: end\n"); -#endif -} - -/* - * Called at boot time. - * - * You can specify IO base for up to RC_NBOARD cards, - * using line "riscom8=0xiobase1,0xiobase2,.." at LILO prompt. - * Note that there will be no probing at default - * addresses in this case. - * - */ -void __init aurora_setup(char *str, int *ints) -{ - int i; - - for(i=0;(i<ints[0])&&(i<4);i++) { - if (ints[i+1]) irqs[i]=ints[i+1]; - } -} - -static int __init aurora_real_init(void) -{ - int found; - int i; - - printk(KERN_INFO "aurora: Driver starting.\n"); - if(aurora_init_drivers()) - return -EIO; - found = aurora_probe(); - if(!found) { - aurora_release_drivers(); - printk(KERN_INFO "aurora: No Aurora Multiport boards detected.\n"); - return -EIO; - } else { - printk(KERN_INFO "aurora: %d boards found.\n", found); - } - for (i = 0; i < found; i++) { - int ret = aurora_setup_board(&aurora_board[i]); - - if (ret) { -#ifdef AURORA_DEBUG - printk(KERN_ERR "aurora_init: error aurora_setup_board ret %d\n", - ret); -#endif - return ret; - } - } - return 0; -} - -int irq = 0; -int irq1 = 0; -int irq2 = 0; -int irq3 = 0; -module_param(irq , int, 0); -module_param(irq1, int, 0); -module_param(irq2, int, 0); -module_param(irq3, int, 0); - -static int __init aurora_init(void) -{ - if (irq ) irqs[0]=irq ; - if (irq1) irqs[1]=irq1; - if (irq2) irqs[2]=irq2; - if (irq3) irqs[3]=irq3; - return aurora_real_init(); -} - -static void __exit aurora_cleanup(void) -{ - int i; - -#ifdef AURORA_DEBUG -printk("cleanup_module: aurora_release_drivers\n"); -#endif - - aurora_release_drivers(); - for (i = 0; i < AURORA_NBOARD; i++) - if (aurora_board[i].flags & AURORA_BOARD_PRESENT) { - aurora_shutdown_board(&aurora_board[i]); - aurora_release_io_range(&aurora_board[i]); - } -} - -module_init(aurora_init); -module_exit(aurora_cleanup); -MODULE_LICENSE("GPL"); diff --git a/drivers/sbus/char/aurora.h b/drivers/sbus/char/aurora.h deleted file mode 100644 index b8b5476d986..00000000000 --- a/drivers/sbus/char/aurora.h +++ /dev/null @@ -1,276 +0,0 @@ -/* $Id: aurora.h,v 1.6 2001/06/05 12:23:38 davem Exp $ - * linux/drivers/sbus/char/aurora.h -- Aurora multiport driver - * - * Copyright (c) 1999 by Oliver Aldulea (oli@bv.ro) - * - * This code is based on the RISCom/8 multiport serial driver written - * by Dmitry Gorodchanin (pgmdsg@ibi.com), based on the Linux serial - * driver, written by Linus Torvalds, Theodore T'so and others. - * The Aurora multiport programming info was obtained mainly from the - * Cirrus Logic CD180 documentation (available on the web), and by - * doing heavy tests on the board. Many thanks to Eddie C. Dost for the - * help on the sbus interface. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Revision 1.0 - * - * This is the first public release. - * - * This version needs a lot of feedback. This is the version that works - * with _my_ board. My board is model 1600se, revision '@(#)1600se.fth - * 1.2 3/28/95 1'. The driver might work with your board, but I do not - * guarantee it. If you have _any_ type of board, I need to know if the - * driver works or not, I need to know exactly your board parameters - * (get them with 'cd /proc/openprom/iommu/sbus/sio16/; ls *; cat *') - * Also, I need your board revision code, which is written on the board. - * Send me the output of my driver too (it outputs through klogd). - * - * If the driver does not work, you can try enabling the debug options - * to see what's wrong or what should be done. - * - * I'm sorry about the alignment of the code. It was written in a - * 128x48 environment. - * - * I must say that I do not like Aurora Technologies' policy. I asked - * them to help me do this driver faster, but they ended by something - * like "don't call us, we'll call you", and I never heard anything - * from them. They told me "knowing the way the board works, I don't - * doubt you and others on the net will make the driver." - * The truth about this board is that it has nothing intelligent on it. - * If you want to say to somebody what kind of board you have, say that - * it uses Cirrus Logic processors (CD180). The power of the board is - * in those two chips. The rest of the board is the interface to the - * sbus and to the peripherals. Still, they did something smart: they - * reversed DTR and RTS to make on-board automatic hardware flow - * control usable. - * Thanks to Aurora Technologies for wasting my time, nerves and money. - */ - -#ifndef __LINUX_AURORA_H -#define __LINUX_AURORA_H - -#include <linux/serial.h> -#include <linux/serialP.h> - -#ifdef __KERNEL__ - -/* This is the number of boards to support. I've only tested this driver with - * one board, so it might not work. - */ -#define AURORA_NBOARD 1 - -/* Useful ? Yes. But you can safely comment the warnings if they annoy you - * (let me say that again: the warnings in the code, not this define). - */ -#define AURORA_PARANOIA_CHECK - -/* Well, after many lost nights, I found that the IRQ for this board is - * selected from four built-in values by writing some bits in the - * configuration register. This causes a little problem to occur: which - * IRQ to select ? Which one is the best for the user ? Well, I finally - * decided for the following algorithm: if the "bintr" value is not acceptable - * (not within type_1_irq[], then test the "intr" value, if that fails too, - * try each value from type_1_irq until succeded. Hope it's ok. - * You can safely reorder the irq's. - */ -#define TYPE_1_IRQS 4 -unsigned char type_1_irq[TYPE_1_IRQS] = { - 3, 5, 9, 13 -}; -/* I know something about another method of interrupt setting, but not enough. - * Also, this is for another type of board, so I first have to learn how to - * detect it. -#define TYPE_2_IRQS 3 -unsigned char type_2_irq[TYPE_2_IRQS] = { - 0, 0, 0 ** could anyone find these for me ? (see AURORA_ALLIRQ below) ** - }; -unsigned char type_2_mask[TYPE_2_IRQS] = { - 32, 64, 128 - }; -*/ - -/* The following section should only be modified by those who know what - * they're doing (or don't, but want to help with some feedback). Modifying - * anything raises a _big_ probability for your system to hang, but the - * sacrifice worths. (I sacrificed my ext2fs many, many times...) - */ - -/* This one tries to dump to console the name of almost every function called, - * and many other debugging info. - */ -#undef AURORA_DEBUG - -/* These are the most dangerous and useful defines. They do printk() during - * the interrupt processing routine(s), so if you manage to get "flooded" by - * irq's, start thinking about the "Power off/on" button... - */ -#undef AURORA_INTNORM /* This one enables the "normal" messages, but some - * of them cause flood, so I preffered putting - * them under a define */ -#undef AURORA_INT_DEBUG /* This one is really bad. */ - -/* Here's something helpful: after n irq's, the board will be disabled. This - * prevents irq flooding during debug (no need to think about power - * off/on anymore...) - */ -#define AURORA_FLOODPRO 10 - -/* This one helps finding which irq the board calls, in case of a strange/ - * unsupported board. AURORA_INT_DEBUG should be enabled, because I don't - * think /proc/interrupts or any command will be available in case of an irq - * flood... "allirq" is the list of all free irq's. - */ -/* -#define AURORA_ALLIRQ 6 -int allirq[AURORA_ALLIRQ]={ - 2,3,5,7,9,13 - }; -*/ - -/* These must not be modified. These values are assumed during the code for - * performance optimisations. - */ -#define AURORA_NCD180 2 /* two chips per board */ -#define AURORA_NPORT 8 /* 8 ports per chip */ - -/* several utilities */ -#define AURORA_BOARD(line) (((line) >> 4) & 0x01) -#define AURORA_CD180(line) (((line) >> 3) & 0x01) -#define AURORA_PORT(line) ((line) & 15) - -#define AURORA_TNPORTS (AURORA_NBOARD*AURORA_NCD180*AURORA_NPORT) - -/* Ticks per sec. Used for setting receiver timeout and break length */ -#define AURORA_TPS 4000 - -#define AURORA_MAGIC 0x0A18 - -/* Yeah, after heavy testing I decided it must be 6. - * Sure, You can change it if needed. - */ -#define AURORA_RXFIFO 6 /* Max. receiver FIFO size (1-8) */ - -#define AURORA_RXTH 7 - -struct aurora_reg1 { - __volatile__ unsigned char r; -}; - -struct aurora_reg128 { - __volatile__ unsigned char r[128]; -}; - -struct aurora_reg4 { - __volatile__ unsigned char r[4]; -}; - -struct Aurora_board { - unsigned long flags; - struct aurora_reg1 * r0; /* This is the board configuration - * register (write-only). */ - struct aurora_reg128 * r[2]; /* These are the registers for the - * two chips. */ - struct aurora_reg4 * r3; /* These are used for hardware-based - * acknowledge. Software-based ack is - * not supported by CD180. */ - unsigned int oscfreq; /* The on-board oscillator - * frequency, in Hz. */ - unsigned char irq; -#ifdef MODULE - signed char count; /* counts the use of the board */ -#endif - /* Values for the dtr_rts swapped mode. */ - unsigned char DTR; - unsigned char RTS; - unsigned char MSVDTR; - unsigned char MSVRTS; - /* Values for hardware acknowledge. */ - unsigned char ACK_MINT, ACK_TINT, ACK_RINT; -}; - -/* Board configuration register */ -#define AURORA_CFG_ENABLE_IO 8 -#define AURORA_CFG_ENABLE_IRQ 4 - -/* Board flags */ -#define AURORA_BOARD_PRESENT 0x00000001 -#define AURORA_BOARD_ACTIVE 0x00000002 -#define AURORA_BOARD_TYPE_2 0x00000004 /* don't know how to - * detect this yet */ -#define AURORA_BOARD_DTR_FLOW_OK 0x00000008 - -/* The story goes like this: Cirrus programmed the CD-180 chip to do automatic - * hardware flow control, and do it using CTS and DTR. CTS is ok, but, if you - * have a modem and the chip drops DTR, then the modem will drop the carrier - * (ain't that cute...). Luckily, the guys at Aurora decided to swap DTR and - * RTS, which makes the flow control usable. I hope that all the boards made - * by Aurora have these two signals swapped. If your's doesn't but you have a - * breakout box, you can try to reverse them yourself, then set the following - * flag. - */ -#undef AURORA_FORCE_DTR_FLOW - -/* In fact, a few more words have to be said about hardware flow control. - * This driver handles "output" flow control through the on-board facility - * CTS Auto Enable. For the "input" flow control there are two cases when - * the flow should be controlled. The first case is when the kernel is so - * busy that it cannot process IRQ's in time; this flow control can only be - * activated by the on-board chip, and if the board has RTS and DTR swapped, - * this facility is usable. The second case is when the application is so - * busy that it cannot receive bytes from the kernel, and this flow must be - * activated by software. This second case is not yet implemented in this - * driver. Unfortunately, I estimate that the second case is the one that - * occurs the most. - */ - - -struct Aurora_port { - int magic; - int baud_base; - int flags; - struct tty_struct * tty; - int count; - int blocked_open; - long event; - int timeout; - int close_delay; - unsigned char * xmit_buf; - int custom_divisor; - int xmit_head; - int xmit_tail; - int xmit_cnt; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; - struct tq_struct tqueue; - struct tq_struct tqueue_hangup; - short wakeup_chars; - short break_length; - unsigned short closing_wait; - unsigned char mark_mask; - unsigned char SRER; - unsigned char MSVR; - unsigned char COR2; -#ifdef AURORA_REPORT_OVERRUN - unsigned long overrun; -#endif -#ifdef AURORA_REPORT_FIFO - unsigned long hits[10]; -#endif -}; - -#endif -#endif /*__LINUX_AURORA_H*/ - diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c index 22631f8b9b4..8410587348f 100644 --- a/drivers/sbus/char/bbc_i2c.c +++ b/drivers/sbus/char/bbc_i2c.c @@ -187,19 +187,20 @@ static int wait_for_pin(struct bbc_i2c_bus *bp, u8 *status) bp->waiting = 1; add_wait_queue(&bp->wq, &wait); while (limit-- > 0) { - u8 val; - - set_current_state(TASK_INTERRUPTIBLE); - *status = val = readb(bp->i2c_control_regs + 0); - if ((val & I2C_PCF_PIN) == 0) { + unsigned long val; + + val = wait_event_interruptible_timeout( + bp->wq, + (((*status = readb(bp->i2c_control_regs + 0)) + & I2C_PCF_PIN) == 0), + msecs_to_jiffies(250)); + if (val > 0) { ret = 0; break; } - msleep_interruptible(250); } remove_wait_queue(&bp->wq, &wait); bp->waiting = 0; - current->state = TASK_RUNNING; return ret; } @@ -340,7 +341,7 @@ static irqreturn_t bbc_i2c_interrupt(int irq, void *dev_id) */ if (bp->waiting && !(readb(bp->i2c_control_regs + 0x0) & I2C_PCF_PIN)) - wake_up(&bp->wq); + wake_up_interruptible(&bp->wq); return IRQ_HANDLED; } diff --git a/drivers/sbus/char/cd180.h b/drivers/sbus/char/cd180.h deleted file mode 100644 index 445b86cc65e..00000000000 --- a/drivers/sbus/char/cd180.h +++ /dev/null @@ -1,240 +0,0 @@ - -/* Definitions for Cirrus Logic CL-CD180 8-port async mux chip */ -#define CD180_NCH 8 /* Total number of channels */ -#define CD180_TPC 16 /* Ticks per character */ -#define CD180_NFIFO 8 /* TX FIFO size */ - -/* Global registers */ -#define CD180_GFRCR 0x6b /* Global Firmware Revision Code Register */ -#define CD180_SRCR 0x66 /* Service Request Configuration Register */ -#define CD180_PPRH 0x70 /* Prescaler Period Register High */ -#define CD180_PPRL 0x71 /* Prescaler Period Register Low */ -#define CD180_MSMR 0x61 /* Modem Service Match Register */ -#define CD180_TSMR 0x62 /* Transmit Service Match Register */ -#define CD180_RSMR 0x63 /* Receive Service Match Register */ -#define CD180_GSVR 0x40 /* Global Service Vector Register */ -#define CD180_SRSR 0x65 /* Service Request Status Register */ -#define CD180_GSCR 0x41 /* Global Service Channel Register */ -#define CD180_CAR 0x64 /* Channel Access Register */ - -/* Indexed registers */ -#define CD180_RDCR 0x07 /* Receive Data Count Register */ -#define CD180_RDR 0x78 /* Receiver Data Register */ -#define CD180_RCSR 0x7a /* Receiver Character Status Register */ -#define CD180_TDR 0x7b /* Transmit Data Register */ -#define CD180_EOSRR 0x7f /* End of Service Request Register */ - -/* Channel Registers */ -#define CD180_SRER 0x02 /* Service Request Enable Register */ -#define CD180_CCR 0x01 /* Channel Command Register */ -#define CD180_COR1 0x03 /* Channel Option Register 1 */ -#define CD180_COR2 0x04 /* Channel Option Register 2 */ -#define CD180_COR3 0x05 /* Channel Option Register 3 */ -#define CD180_CCSR 0x06 /* Channel Control Status Register */ -#define CD180_RTPR 0x18 /* Receive Timeout Period Register */ -#define CD180_RBPRH 0x31 /* Receive Bit Rate Period Register High */ -#define CD180_RBPRL 0x32 /* Receive Bit Rate Period Register Low */ -#define CD180_TBPRH 0x39 /* Transmit Bit Rate Period Register High */ -#define CD180_TBPRL 0x3a /* Transmit Bit Rate Period Register Low */ -#define CD180_SCHR1 0x09 /* Special Character Register 1 */ -#define CD180_SCHR2 0x0a /* Special Character Register 2 */ -#define CD180_SCHR3 0x0b /* Special Character Register 3 */ -#define CD180_SCHR4 0x0c /* Special Character Register 4 */ -#define CD180_MCR 0x12 /* Modem Change Register */ -#define CD180_MCOR1 0x10 /* Modem Change Option 1 Register */ -#define CD180_MCOR2 0x11 /* Modem Change Option 2 Register */ -#define CD180_MSVR 0x28 /* Modem Signal Value Register */ -#define CD180_MSVRTS 0x29 /* Modem Signal Value RTS */ -#define CD180_MSVDTR 0x2a /* Modem Signal Value DTR */ - -/* Global Interrupt Vector Register (R/W) */ - -#define GSVR_ITMASK 0x07 /* Interrupt type mask */ -#define GSVR_IT_MDM 0x01 /* Modem Signal Change Interrupt */ -#define GSVR_IT_TX 0x02 /* Transmit Data Interrupt */ -#define GSVR_IT_RGD 0x03 /* Receive Good Data Interrupt */ -#define GSVR_IT_REXC 0x07 /* Receive Exception Interrupt */ - - -/* Global Interrupt Channel Register (R/W) */ - -#define GSCR_CHAN 0x1c /* Channel Number Mask */ -#define GSCR_CHAN_OFF 2 /* Channel Number Offset */ - - -/* Channel Address Register (R/W) */ - -#define CAR_CHAN 0x07 /* Channel Number Mask */ - - -/* Receive Character Status Register (R/O) */ - -#define RCSR_TOUT 0x80 /* Rx Timeout */ -#define RCSR_SCDET 0x70 /* Special Character Detected Mask */ -#define RCSR_NO_SC 0x00 /* No Special Characters Detected */ -#define RCSR_SC_1 0x10 /* Special Char 1 (or 1 & 3) Detected */ -#define RCSR_SC_2 0x20 /* Special Char 2 (or 2 & 4) Detected */ -#define RCSR_SC_3 0x30 /* Special Char 3 Detected */ -#define RCSR_SC_4 0x40 /* Special Char 4 Detected */ -#define RCSR_BREAK 0x08 /* Break has been detected */ -#define RCSR_PE 0x04 /* Parity Error */ -#define RCSR_FE 0x02 /* Frame Error */ -#define RCSR_OE 0x01 /* Overrun Error */ - - -/* Channel Command Register (R/W) (commands in groups can be OR-ed) */ - -#define CCR_HARDRESET 0x81 /* Reset the chip */ - -#define CCR_SOFTRESET 0x80 /* Soft Channel Reset */ - -#define CCR_CORCHG1 0x42 /* Channel Option Register 1 Changed */ -#define CCR_CORCHG2 0x44 /* Channel Option Register 2 Changed */ -#define CCR_CORCHG3 0x48 /* Channel Option Register 3 Changed */ - -#define CCR_SSCH1 0x21 /* Send Special Character 1 */ - -#define CCR_SSCH2 0x22 /* Send Special Character 2 */ - -#define CCR_SSCH3 0x23 /* Send Special Character 3 */ - -#define CCR_SSCH4 0x24 /* Send Special Character 4 */ - -#define CCR_TXEN 0x18 /* Enable Transmitter */ -#define CCR_RXEN 0x12 /* Enable Receiver */ - -#define CCR_TXDIS 0x14 /* Disable Transmitter */ -#define CCR_RXDIS 0x11 /* Disable Receiver */ - - -/* Service Request Enable Register (R/W) */ - -#define SRER_DSR 0x80 /* Enable interrupt on DSR change */ -#define SRER_CD 0x40 /* Enable interrupt on CD change */ -#define SRER_CTS 0x20 /* Enable interrupt on CTS change */ -#define SRER_RXD 0x10 /* Enable interrupt on Receive Data */ -#define SRER_RXSC 0x08 /* Enable interrupt on Receive Spec. Char */ -#define SRER_TXRDY 0x04 /* Enable interrupt on TX FIFO empty */ -#define SRER_TXEMPTY 0x02 /* Enable interrupt on TX completely empty */ -#define SRER_RET 0x01 /* Enable interrupt on RX Exc. Timeout */ - - -/* Channel Option Register 1 (R/W) */ - -#define COR1_ODDP 0x80 /* Odd Parity */ -#define COR1_PARMODE 0x60 /* Parity Mode mask */ -#define COR1_NOPAR 0x00 /* No Parity */ -#define COR1_FORCEPAR 0x20 /* Force Parity */ -#define COR1_NORMPAR 0x40 /* Normal Parity */ -#define COR1_IGNORE 0x10 /* Ignore Parity on RX */ -#define COR1_STOPBITS 0x0c /* Number of Stop Bits */ -#define COR1_1SB 0x00 /* 1 Stop Bit */ -#define COR1_15SB 0x04 /* 1.5 Stop Bits */ -#define COR1_2SB 0x08 /* 2 Stop Bits */ -#define COR1_CHARLEN 0x03 /* Character Length */ -#define COR1_5BITS 0x00 /* 5 bits */ -#define COR1_6BITS 0x01 /* 6 bits */ -#define COR1_7BITS 0x02 /* 7 bits */ -#define COR1_8BITS 0x03 /* 8 bits */ - - -/* Channel Option Register 2 (R/W) */ - -#define COR2_IXM 0x80 /* Implied XON mode */ -#define COR2_TXIBE 0x40 /* Enable In-Band (XON/XOFF) Flow Control */ -#define COR2_ETC 0x20 /* Embedded Tx Commands Enable */ -#define COR2_LLM 0x10 /* Local Loopback Mode */ -#define COR2_RLM 0x08 /* Remote Loopback Mode */ -#define COR2_RTSAO 0x04 /* RTS Automatic Output Enable */ -#define COR2_CTSAE 0x02 /* CTS Automatic Enable */ -#define COR2_DSRAE 0x01 /* DSR Automatic Enable */ - - -/* Channel Option Register 3 (R/W) */ - -#define COR3_XONCH 0x80 /* XON is a pair of characters (1 & 3) */ -#define COR3_XOFFCH 0x40 /* XOFF is a pair of characters (2 & 4) */ -#define COR3_FCT 0x20 /* Flow-Control Transparency Mode */ -#define COR3_SCDE 0x10 /* Special Character Detection Enable */ -#define COR3_RXTH 0x0f /* RX FIFO Threshold value (1-8) */ - - -/* Channel Control Status Register (R/O) */ - -#define CCSR_RXEN 0x80 /* Receiver Enabled */ -#define CCSR_RXFLOFF 0x40 /* Receive Flow Off (XOFF was sent) */ -#define CCSR_RXFLON 0x20 /* Receive Flow On (XON was sent) */ -#define CCSR_TXEN 0x08 /* Transmitter Enabled */ -#define CCSR_TXFLOFF 0x04 /* Transmit Flow Off (got XOFF) */ -#define CCSR_TXFLON 0x02 /* Transmit Flow On (got XON) */ - - -/* Modem Change Option Register 1 (R/W) */ - -#define MCOR1_DSRZD 0x80 /* Detect 0->1 transition of DSR */ -#define MCOR1_CDZD 0x40 /* Detect 0->1 transition of CD */ -#define MCOR1_CTSZD 0x20 /* Detect 0->1 transition of CTS */ -#define MCOR1_DTRTH 0x0f /* Auto DTR flow control Threshold (1-8) */ -#define MCOR1_NODTRFC 0x0 /* Automatic DTR flow control disabled */ - - -/* Modem Change Option Register 2 (R/W) */ - -#define MCOR2_DSROD 0x80 /* Detect 1->0 transition of DSR */ -#define MCOR2_CDOD 0x40 /* Detect 1->0 transition of CD */ -#define MCOR2_CTSOD 0x20 /* Detect 1->0 transition of CTS */ - - -/* Modem Change Register (R/W) */ - -#define MCR_DSRCHG 0x80 /* DSR Changed */ -#define MCR_CDCHG 0x40 /* CD Changed */ -#define MCR_CTSCHG 0x20 /* CTS Changed */ - - -/* Modem Signal Value Register (R/W) */ - -#define MSVR_DSR 0x80 /* Current state of DSR input */ -#define MSVR_CD 0x40 /* Current state of CD input */ -#define MSVR_CTS 0x20 /* Current state of CTS input */ -#define MSVR_DTR 0x02 /* Current state of DTR output */ -#define MSVR_RTS 0x01 /* Current state of RTS output */ - - -/* Service Request Status Register */ - -#define SRSR_CMASK 0xC0 /* Current Service Context Mask */ -#define SRSR_CNONE 0x00 /* Not in a service context */ -#define SRSR_CRX 0x40 /* Rx Context */ -#define SRSR_CTX 0x80 /* Tx Context */ -#define SRSR_CMDM 0xC0 /* Modem Context */ -#define SRSR_ANYINT 0x6F /* Any interrupt flag */ -#define SRSR_RINT 0x10 /* Receive Interrupt */ -#define SRSR_TINT 0x04 /* Transmit Interrupt */ -#define SRSR_MINT 0x01 /* Modem Interrupt */ -#define SRSR_REXT 0x20 /* Receive External Interrupt */ -#define SRSR_TEXT 0x08 /* Transmit External Interrupt */ -#define SRSR_MEXT 0x02 /* Modem External Interrupt */ - - -/* Service Request Configuration Register */ - -#define SRCR_PKGTYPE 0x80 -#define SRCR_REGACKEN 0x40 -#define SRCR_DAISYEN 0x20 -#define SRCR_GLOBPRI 0x10 -#define SRCR_UNFAIR 0x08 -#define SRCR_AUTOPRI 0x02 -#define SRCR_PRISEL 0x01 - -/* Values for register-based Interrupt ACKs */ -#define CD180_ACK_MINT 0x75 /* goes to MSMR */ -#define CD180_ACK_TINT 0x76 /* goes to TSMR */ -#define CD180_ACK_RINT 0x77 /* goes to RSMR */ - -/* Escape characters */ - -#define CD180_C_ESC 0x00 /* Escape character */ -#define CD180_C_SBRK 0x81 /* Start sending BREAK */ -#define CD180_C_DELAY 0x82 /* Delay output */ -#define CD180_C_EBRK 0x83 /* Stop sending BREAK */ diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c index 45cf5bc0bbe..44d2ef906ac 100644 --- a/drivers/sbus/char/uctrl.c +++ b/drivers/sbus/char/uctrl.c @@ -364,6 +364,7 @@ static int __init ts102_uctrl_init(void) struct linux_prom_irqs tmp_irq[2]; unsigned int vaddr[2] = { 0, 0 }; int tmpnode, uctrlnode = prom_getchild(prom_root_node); + int err; tmpnode = prom_searchsiblings(uctrlnode, "obio"); @@ -389,7 +390,12 @@ static int __init ts102_uctrl_init(void) if(!driver->irq) driver->irq = tmp_irq[0].pri; - request_irq(driver->irq, uctrl_interrupt, 0, "uctrl", driver); + err = request_irq(driver->irq, uctrl_interrupt, 0, "uctrl", driver); + if (err) { + printk("%s: unable to register irq %d\n", + __FUNCTION__, driver->irq); + return err; + } if (misc_register(&uctrl_dev)) { printk("%s: unable to get misc minor %d\n", diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c index f4440d32931..509ace7e688 100644 --- a/drivers/serial/serial_txx9.c +++ b/drivers/serial/serial_txx9.c @@ -38,6 +38,8 @@ * Fix some spin_locks. * Do not call uart_add_one_port for absent ports. * 1.07 Use CONFIG_SERIAL_TXX9_NR_UARTS. Cleanup. + * 1.08 Use platform_device. + * Fix and cleanup suspend/resume/initialization codes. */ #if defined(CONFIG_SERIAL_TXX9_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) @@ -50,7 +52,7 @@ #include <linux/console.h> #include <linux/sysrq.h> #include <linux/delay.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/pci.h> #include <linux/tty.h> #include <linux/tty_flip.h> @@ -60,7 +62,7 @@ #include <asm/io.h> -static char *serial_version = "1.07"; +static char *serial_version = "1.08"; static char *serial_name = "TX39/49 Serial driver"; #define PASS_LIMIT 256 @@ -94,12 +96,7 @@ static char *serial_name = "TX39/49 Serial driver"; struct uart_txx9_port { struct uart_port port; - - /* - * We provide a per-port pm hook. - */ - void (*pm)(struct uart_port *port, - unsigned int state, unsigned int old); + /* No additional info for now */ }; #define TXX9_REGION_SIZE 0x24 @@ -277,6 +274,31 @@ static void serial_txx9_enable_ms(struct uart_port *port) /* TXX9-SIO can not control DTR... */ } +static void serial_txx9_initialize(struct uart_port *port) +{ + struct uart_txx9_port *up = (struct uart_txx9_port *)port; + unsigned int tmout = 10000; + + sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST); + /* TX4925 BUG WORKAROUND. Accessing SIOC register + * immediately after soft reset causes bus error. */ + mmiowb(); + udelay(1); + while ((sio_in(up, TXX9_SIFCR) & TXX9_SIFCR_SWRST) && --tmout) + udelay(1); + /* TX Int by FIFO Empty, RX Int by Receiving 1 char. */ + sio_set(up, TXX9_SIFCR, + TXX9_SIFCR_TDIL_MAX | TXX9_SIFCR_RDIL_1); + /* initial settings */ + sio_out(up, TXX9_SILCR, + TXX9_SILCR_UMODE_8BIT | TXX9_SILCR_USBL_1BIT | + ((up->port.flags & UPF_TXX9_USE_SCLK) ? + TXX9_SILCR_SCS_SCLK_BG : TXX9_SILCR_SCS_IMCLK_BG)); + sio_quot_set(up, uart_get_divisor(port, 9600)); + sio_out(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSTL_MAX /* 15 */); + sio_out(up, TXX9_SIDICR, 0); +} + static inline void receive_chars(struct uart_txx9_port *up, unsigned int *status) { @@ -657,9 +679,8 @@ static void serial_txx9_pm(struct uart_port *port, unsigned int state, unsigned int oldstate) { - struct uart_txx9_port *up = (struct uart_txx9_port *)port; - if (up->pm) - up->pm(port, state, oldstate); + if (state == 0) + serial_txx9_initialize(port); } static int serial_txx9_request_resource(struct uart_txx9_port *up) @@ -732,7 +753,6 @@ static int serial_txx9_request_port(struct uart_port *port) static void serial_txx9_config_port(struct uart_port *port, int uflags) { struct uart_txx9_port *up = (struct uart_txx9_port *)port; - unsigned long flags; int ret; /* @@ -749,30 +769,7 @@ static void serial_txx9_config_port(struct uart_port *port, int uflags) if (up->port.line == up->port.cons->index) return; #endif - spin_lock_irqsave(&up->port.lock, flags); - /* - * Reset the UART. - */ - sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST); -#ifdef CONFIG_CPU_TX49XX - /* TX4925 BUG WORKAROUND. Accessing SIOC register - * immediately after soft reset causes bus error. */ - iob(); - udelay(1); -#endif - while (sio_in(up, TXX9_SIFCR) & TXX9_SIFCR_SWRST) - ; - /* TX Int by FIFO Empty, RX Int by Receiving 1 char. */ - sio_set(up, TXX9_SIFCR, - TXX9_SIFCR_TDIL_MAX | TXX9_SIFCR_RDIL_1); - /* initial settings */ - sio_out(up, TXX9_SILCR, - TXX9_SILCR_UMODE_8BIT | TXX9_SILCR_USBL_1BIT | - ((up->port.flags & UPF_TXX9_USE_SCLK) ? - TXX9_SILCR_SCS_SCLK_BG : TXX9_SILCR_SCS_IMCLK_BG)); - sio_quot_set(up, uart_get_divisor(port, 9600)); - sio_out(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSTL_MAX /* 15 */); - spin_unlock_irqrestore(&up->port.lock, flags); + serial_txx9_initialize(port); } static int @@ -818,7 +815,8 @@ static struct uart_ops serial_txx9_pops = { static struct uart_txx9_port serial_txx9_ports[UART_NR]; -static void __init serial_txx9_register_ports(struct uart_driver *drv) +static void __init serial_txx9_register_ports(struct uart_driver *drv, + struct device *dev) { int i; @@ -827,6 +825,7 @@ static void __init serial_txx9_register_ports(struct uart_driver *drv) up->port.line = i; up->port.ops = &serial_txx9_pops; + up->port.dev = dev; if (up->port.iobase || up->port.mapbase) uart_add_one_port(drv, &up->port); } @@ -898,7 +897,7 @@ serial_txx9_console_write(struct console *co, const char *s, unsigned int count) sio_out(up, TXX9_SIDICR, ier); } -static int serial_txx9_console_setup(struct console *co, char *options) +static int __init serial_txx9_console_setup(struct console *co, char *options) { struct uart_port *port; struct uart_txx9_port *up; @@ -919,17 +918,7 @@ static int serial_txx9_console_setup(struct console *co, char *options) if (!port->ops) return -ENODEV; - /* - * Disable UART interrupts, set DTR and RTS high - * and set speed. - */ - sio_out(up, TXX9_SIDICR, 0); - /* initial settings */ - sio_out(up, TXX9_SILCR, - TXX9_SILCR_UMODE_8BIT | TXX9_SILCR_USBL_1BIT | - ((port->flags & UPF_TXX9_USE_SCLK) ? - TXX9_SILCR_SCS_SCLK_BG : TXX9_SILCR_SCS_IMCLK_BG)); - sio_out(up, TXX9_SIFLCR, TXX9_SIFLCR_RTSTL_MAX /* 15 */); + serial_txx9_initialize(&up->port); if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); @@ -981,31 +970,6 @@ int __init early_serial_txx9_setup(struct uart_port *port) return 0; } -#ifdef ENABLE_SERIAL_TXX9_PCI -#ifdef CONFIG_PM -/** - * serial_txx9_suspend_port - suspend one serial port - * @line: serial line number - * - * Suspend one serial port. - */ -static void serial_txx9_suspend_port(int line) -{ - uart_suspend_port(&serial_txx9_reg, &serial_txx9_ports[line].port); -} - -/** - * serial_txx9_resume_port - resume one serial port - * @line: serial line number - * - * Resume one serial port. - */ -static void serial_txx9_resume_port(int line) -{ - uart_resume_port(&serial_txx9_reg, &serial_txx9_ports[line].port); -} -#endif - static DEFINE_MUTEX(serial_txx9_mutex); /** @@ -1028,8 +992,18 @@ static int __devinit serial_txx9_register_port(struct uart_port *port) mutex_lock(&serial_txx9_mutex); for (i = 0; i < UART_NR; i++) { uart = &serial_txx9_ports[i]; - if (!(uart->port.iobase || uart->port.mapbase)) + if (uart_match_port(&uart->port, port)) { + uart_remove_one_port(&serial_txx9_reg, &uart->port); break; + } + } + if (i == UART_NR) { + /* Find unused port */ + for (i = 0; i < UART_NR; i++) { + uart = &serial_txx9_ports[i]; + if (!(uart->port.iobase || uart->port.mapbase)) + break; + } } if (i < UART_NR) { uart->port.iobase = port->iobase; @@ -1072,6 +1046,95 @@ static void __devexit serial_txx9_unregister_port(int line) } /* + * Register a set of serial devices attached to a platform device. + */ +static int __devinit serial_txx9_probe(struct platform_device *dev) +{ + struct uart_port *p = dev->dev.platform_data; + struct uart_port port; + int ret, i; + + memset(&port, 0, sizeof(struct uart_port)); + for (i = 0; p && p->uartclk != 0; p++, i++) { + port.iobase = p->iobase; + port.membase = p->membase; + port.irq = p->irq; + port.uartclk = p->uartclk; + port.iotype = p->iotype; + port.flags = p->flags; + port.mapbase = p->mapbase; + port.dev = &dev->dev; + ret = serial_txx9_register_port(&port); + if (ret < 0) { + dev_err(&dev->dev, "unable to register port at index %d " + "(IO%x MEM%lx IRQ%d): %d\n", i, + p->iobase, p->mapbase, p->irq, ret); + } + } + return 0; +} + +/* + * Remove serial ports registered against a platform device. + */ +static int __devexit serial_txx9_remove(struct platform_device *dev) +{ + int i; + + for (i = 0; i < UART_NR; i++) { + struct uart_txx9_port *up = &serial_txx9_ports[i]; + + if (up->port.dev == &dev->dev) + serial_txx9_unregister_port(i); + } + return 0; +} + +#ifdef CONFIG_PM +static int serial_txx9_suspend(struct platform_device *dev, pm_message_t state) +{ + int i; + + for (i = 0; i < UART_NR; i++) { + struct uart_txx9_port *up = &serial_txx9_ports[i]; + + if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev) + uart_suspend_port(&serial_txx9_reg, &up->port); + } + + return 0; +} + +static int serial_txx9_resume(struct platform_device *dev) +{ + int i; + + for (i = 0; i < UART_NR; i++) { + struct uart_txx9_port *up = &serial_txx9_ports[i]; + + if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev) + uart_resume_port(&serial_txx9_reg, &up->port); + } + + return 0; +} +#endif + +static struct platform_driver serial_txx9_plat_driver = { + .probe = serial_txx9_probe, + .remove = __devexit_p(serial_txx9_remove), +#ifdef CONFIG_PM + .suspend = serial_txx9_suspend, + .resume = serial_txx9_resume, +#endif + .driver = { + .name = "serial_txx9", + .owner = THIS_MODULE, + }, +}; + +#ifdef ENABLE_SERIAL_TXX9_PCI +/* * Probe one serial board. Unfortunately, there is no rhyme nor reason * to the arrangement of serial ports on a PCI card. */ @@ -1097,20 +1160,22 @@ pciserial_txx9_init_one(struct pci_dev *dev, const struct pci_device_id *ent) line = serial_txx9_register_port(&port); if (line < 0) { printk(KERN_WARNING "Couldn't register serial port %s: %d\n", pci_name(dev), line); + pci_disable_device(dev); + return line; } - pci_set_drvdata(dev, (void *)(long)line); + pci_set_drvdata(dev, &serial_txx9_ports[line]); return 0; } static void __devexit pciserial_txx9_remove_one(struct pci_dev *dev) { - int line = (int)(long)pci_get_drvdata(dev); + struct uart_txx9_port *up = pci_get_drvdata(dev); pci_set_drvdata(dev, NULL); - if (line) { - serial_txx9_unregister_port(line); + if (up) { + serial_txx9_unregister_port(up->port.line); pci_disable_device(dev); } } @@ -1118,10 +1183,10 @@ static void __devexit pciserial_txx9_remove_one(struct pci_dev *dev) #ifdef CONFIG_PM static int pciserial_txx9_suspend_one(struct pci_dev *dev, pm_message_t state) { - int line = (int)(long)pci_get_drvdata(dev); + struct uart_txx9_port *up = pci_get_drvdata(dev); - if (line) - serial_txx9_suspend_port(line); + if (up) + uart_suspend_port(&serial_txx9_reg, &up->port); pci_save_state(dev); pci_set_power_state(dev, pci_choose_state(dev, state)); return 0; @@ -1129,15 +1194,12 @@ static int pciserial_txx9_suspend_one(struct pci_dev *dev, pm_message_t state) static int pciserial_txx9_resume_one(struct pci_dev *dev) { - int line = (int)(long)pci_get_drvdata(dev); + struct uart_txx9_port *up = pci_get_drvdata(dev); pci_set_power_state(dev, PCI_D0); pci_restore_state(dev); - - if (line) { - pci_enable_device(dev); - serial_txx9_resume_port(line); - } + if (up) + uart_resume_port(&serial_txx9_reg, &up->port); return 0; } #endif @@ -1161,6 +1223,8 @@ static struct pci_driver serial_txx9_pci_driver = { MODULE_DEVICE_TABLE(pci, serial_txx9_pci_tbl); #endif /* ENABLE_SERIAL_TXX9_PCI */ +static struct platform_device *serial_txx9_plat_devs; + static int __init serial_txx9_init(void) { int ret; @@ -1168,13 +1232,39 @@ static int __init serial_txx9_init(void) printk(KERN_INFO "%s version %s\n", serial_name, serial_version); ret = uart_register_driver(&serial_txx9_reg); - if (ret >= 0) { - serial_txx9_register_ports(&serial_txx9_reg); + if (ret) + goto out; + + serial_txx9_plat_devs = platform_device_alloc("serial_txx9", -1); + if (!serial_txx9_plat_devs) { + ret = -ENOMEM; + goto unreg_uart_drv; + } + + ret = platform_device_add(serial_txx9_plat_devs); + if (ret) + goto put_dev; + + serial_txx9_register_ports(&serial_txx9_reg, + &serial_txx9_plat_devs->dev); + + ret = platform_driver_register(&serial_txx9_plat_driver); + if (ret) + goto del_dev; #ifdef ENABLE_SERIAL_TXX9_PCI - ret = pci_register_driver(&serial_txx9_pci_driver); + ret = pci_register_driver(&serial_txx9_pci_driver); #endif - } + if (ret == 0) + goto out; + + del_dev: + platform_device_del(serial_txx9_plat_devs); + put_dev: + platform_device_put(serial_txx9_plat_devs); + unreg_uart_drv: + uart_unregister_driver(&serial_txx9_reg); + out: return ret; } @@ -1185,6 +1275,8 @@ static void __exit serial_txx9_exit(void) #ifdef ENABLE_SERIAL_TXX9_PCI pci_unregister_driver(&serial_txx9_pci_driver); #endif + platform_driver_unregister(&serial_txx9_plat_driver); + platform_device_unregister(serial_txx9_plat_devs); for (i = 0; i < UART_NR; i++) { struct uart_txx9_port *up = &serial_txx9_ports[i]; if (up->port.iobase || up->port.mapbase) diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile index 34e9bac319b..b6078706fb9 100644 --- a/drivers/usb/core/Makefile +++ b/drivers/usb/core/Makefile @@ -4,7 +4,7 @@ usbcore-objs := usb.o hub.o hcd.o urb.o message.o driver.o \ config.o file.o buffer.o sysfs.o endpoint.o \ - devio.o notify.o generic.o + devio.o notify.o generic.o quirks.o ifeq ($(CONFIG_PCI),y) usbcore-objs += hcd-pci.o diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 2aded261f42..9e3e943f313 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -366,19 +366,8 @@ void usb_driver_release_interface(struct usb_driver *driver, EXPORT_SYMBOL(usb_driver_release_interface); /* returns 0 if no match, 1 if match */ -int usb_match_one_id(struct usb_interface *interface, - const struct usb_device_id *id) +int usb_match_device(struct usb_device *dev, const struct usb_device_id *id) { - struct usb_host_interface *intf; - struct usb_device *dev; - - /* proc_connectinfo in devio.c may call us with id == NULL. */ - if (id == NULL) - return 0; - - intf = interface->cur_altsetting; - dev = interface_to_usbdev(interface); - if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) && id->idVendor != le16_to_cpu(dev->descriptor.idVendor)) return 0; @@ -409,6 +398,26 @@ int usb_match_one_id(struct usb_interface *interface, (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol)) return 0; + return 1; +} + +/* returns 0 if no match, 1 if match */ +int usb_match_one_id(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct usb_host_interface *intf; + struct usb_device *dev; + + /* proc_connectinfo in devio.c may call us with id == NULL. */ + if (id == NULL) + return 0; + + intf = interface->cur_altsetting; + dev = interface_to_usbdev(interface); + + if (!usb_match_device(dev, id)) + return 0; + /* The interface class, subclass, and protocol should never be * checked for a match if the device class is Vendor Specific, * unless the match record specifies the Vendor ID. */ @@ -954,12 +963,16 @@ static int autosuspend_check(struct usb_device *udev) int i; struct usb_interface *intf; - /* For autosuspend, fail fast if anything is in use. - * Also fail if any interfaces require remote wakeup but it - * isn't available. */ + /* For autosuspend, fail fast if anything is in use or autosuspend + * is disabled. Also fail if any interfaces require remote wakeup + * but it isn't available. + */ udev->do_remote_wakeup = device_may_wakeup(&udev->dev); if (udev->pm_usage_cnt > 0) return -EBUSY; + if (!udev->autosuspend_delay) + return -EPERM; + if (udev->actconfig) { for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { intf = udev->actconfig->interface[i]; @@ -982,7 +995,7 @@ static int autosuspend_check(struct usb_device *udev) #define autosuspend_check(udev) 0 -#endif +#endif /* CONFIG_USB_SUSPEND */ /** * usb_suspend_both - suspend a USB device and its interfaces @@ -1177,7 +1190,7 @@ static int usb_autopm_do_device(struct usb_device *udev, int inc_usage_cnt) udev->pm_usage_cnt -= inc_usage_cnt; } else if (inc_usage_cnt <= 0 && autosuspend_check(udev) == 0) queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, - USB_AUTOSUSPEND_DELAY); + udev->autosuspend_delay); usb_pm_unlock(udev); return status; } @@ -1212,6 +1225,26 @@ void usb_autosuspend_device(struct usb_device *udev) } /** + * usb_try_autosuspend_device - attempt an autosuspend of a USB device and its interfaces + * @udev: the usb_device to autosuspend + * + * This routine should be called when a core subsystem thinks @udev may + * be ready to autosuspend. + * + * @udev's usage counter left unchanged. If it or any of the usage counters + * for an active interface is greater than 0, or autosuspend is not allowed + * for any other reason, no autosuspend request will be queued. + * + * This routine can run only in process context. + */ +void usb_try_autosuspend_device(struct usb_device *udev) +{ + usb_autopm_do_device(udev, 0); + // dev_dbg(&udev->dev, "%s: cnt %d\n", + // __FUNCTION__, udev->pm_usage_cnt); +} + +/** * usb_autoresume_device - immediately autoresume a USB device and its interfaces * @udev: the usb_device to autoresume * @@ -1261,7 +1294,7 @@ static int usb_autopm_do_interface(struct usb_interface *intf, intf->pm_usage_cnt -= inc_usage_cnt; } else if (inc_usage_cnt <= 0 && autosuspend_check(udev) == 0) queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, - USB_AUTOSUSPEND_DELAY); + udev->autosuspend_delay); } usb_pm_unlock(udev); return status; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 50c0db15304..41400743ce2 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1287,6 +1287,9 @@ int usb_new_device(struct usb_device *udev) if (!try_module_get(THIS_MODULE)) return -EINVAL; + /* Determine quirks */ + usb_detect_quirks(udev); + err = usb_get_configuration(udev); if (err < 0) { dev_err(&udev->dev, "can't read configurations, error %d\n", diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 74edaea5665..2f17468b5c1 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -11,6 +11,7 @@ #include <linux/timer.h> #include <linux/ctype.h> #include <linux/device.h> +#include <linux/usb/quirks.h> #include <asm/byteorder.h> #include <asm/scatterlist.h> @@ -685,7 +686,10 @@ static int usb_string_sub(struct usb_device *dev, unsigned int langid, /* Try to read the string descriptor by asking for the maximum * possible number of bytes */ - rc = usb_get_string(dev, langid, index, buf, 255); + if (dev->quirks & USB_QUIRK_STRING_FETCH_255) + rc = -EIO; + else + rc = usb_get_string(dev, langid, index, buf, 255); /* If that failed try to read the descriptor length, then * ask for just that many bytes */ diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c new file mode 100644 index 00000000000..0e5c646cb4f --- /dev/null +++ b/drivers/usb/core/quirks.c @@ -0,0 +1,77 @@ +/* + * USB device quirk handling logic and table + * + * Copyright (c) 2007 Oliver Neukum + * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation, version 2. + * + * + */ + +#include <linux/usb.h> +#include <linux/usb/quirks.h> +#include "usb.h" + +/* List of quirky USB devices. Please keep this list ordered by: + * 1) Vendor ID + * 2) Product ID + * 3) Class ID + * + * as we want specific devices to be overridden first, and only after that, any + * class specific quirks. + * + * Right now the logic aborts if it finds a valid device in the table, we might + * want to change that in the future if it turns out that a whole class of + * devices is broken... + */ +static const struct usb_device_id usb_quirk_list[] = { + /* HP 5300/5370C scanner */ + { USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 }, + + /* Elsa MicroLink 56k (V.250) */ + { USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_NO_AUTOSUSPEND }, + + { } /* terminating entry must be last */ +}; + +static void usb_autosuspend_quirk(struct usb_device *udev) +{ +#ifdef CONFIG_USB_SUSPEND + /* disable autosuspend, but allow the user to re-enable it via sysfs */ + udev->autosuspend_delay = 0; +#endif +} + +static const struct usb_device_id *find_id(struct usb_device *udev) +{ + const struct usb_device_id *id = usb_quirk_list; + + for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass || + id->driver_info; id++) { + if (usb_match_device(udev, id)) + return id; + } + return NULL; +} + +/* + * Detect any quirks the device has, and do any housekeeping for it if needed. + */ +void usb_detect_quirks(struct usb_device *udev) +{ + const struct usb_device_id *id = usb_quirk_list; + + id = find_id(udev); + if (id) + udev->quirks = (u32)(id->driver_info); + if (udev->quirks) + dev_dbg(&udev->dev, "USB quirks for this device: %x\n", + udev->quirks); + + /* do any special quirk handling here if needed */ + if (udev->quirks & USB_QUIRK_NO_AUTOSUSPEND) + usb_autosuspend_quirk(udev); +} diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 0edfbafd702..311d5df8038 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -148,6 +148,75 @@ show_maxchild(struct device *dev, struct device_attribute *attr, char *buf) } static DEVICE_ATTR(maxchild, S_IRUGO, show_maxchild, NULL); +static ssize_t +show_quirks(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct usb_device *udev; + + udev = to_usb_device(dev); + return sprintf(buf, "0x%x\n", udev->quirks); +} +static DEVICE_ATTR(quirks, S_IRUGO, show_quirks, NULL); + +#ifdef CONFIG_USB_SUSPEND + +static ssize_t +show_autosuspend(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct usb_device *udev = to_usb_device(dev); + + return sprintf(buf, "%u\n", udev->autosuspend_delay / HZ); +} + +static ssize_t +set_autosuspend(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct usb_device *udev = to_usb_device(dev); + unsigned value, old; + + if (sscanf(buf, "%u", &value) != 1 || value >= INT_MAX/HZ) + return -EINVAL; + value *= HZ; + + old = udev->autosuspend_delay; + udev->autosuspend_delay = value; + if (value > 0 && old == 0) + usb_try_autosuspend_device(udev); + + return count; +} + +static DEVICE_ATTR(autosuspend, S_IRUGO | S_IWUSR, + show_autosuspend, set_autosuspend); + +static char power_group[] = "power"; + +static int add_power_attributes(struct device *dev) +{ + int rc = 0; + + if (is_usb_device(dev)) + rc = sysfs_add_file_to_group(&dev->kobj, + &dev_attr_autosuspend.attr, + power_group); + return rc; +} + +static void remove_power_attributes(struct device *dev) +{ + sysfs_remove_file_from_group(&dev->kobj, + &dev_attr_autosuspend.attr, + power_group); +} + +#else + +#define add_power_attributes(dev) 0 +#define remove_power_attributes(dev) do {} while (0) + +#endif /* CONFIG_USB_SUSPEND */ + /* Descriptor fields */ #define usb_descriptor_attr_le16(field, format_string) \ static ssize_t \ @@ -204,6 +273,7 @@ static struct attribute *dev_attrs[] = { &dev_attr_devnum.attr, &dev_attr_version.attr, &dev_attr_maxchild.attr, + &dev_attr_quirks.attr, NULL, }; static struct attribute_group dev_attr_grp = { @@ -219,6 +289,10 @@ int usb_create_sysfs_dev_files(struct usb_device *udev) if (retval) return retval; + retval = add_power_attributes(dev); + if (retval) + goto error; + if (udev->manufacturer) { retval = device_create_file(dev, &dev_attr_manufacturer); if (retval) @@ -239,10 +313,7 @@ int usb_create_sysfs_dev_files(struct usb_device *udev) goto error; return 0; error: - usb_remove_ep_files(&udev->ep0); - device_remove_file(dev, &dev_attr_manufacturer); - device_remove_file(dev, &dev_attr_product); - device_remove_file(dev, &dev_attr_serial); + usb_remove_sysfs_dev_files(udev); return retval; } @@ -251,14 +322,11 @@ void usb_remove_sysfs_dev_files(struct usb_device *udev) struct device *dev = &udev->dev; usb_remove_ep_files(&udev->ep0); + device_remove_file(dev, &dev_attr_manufacturer); + device_remove_file(dev, &dev_attr_product); + device_remove_file(dev, &dev_attr_serial); + remove_power_attributes(dev); sysfs_remove_group(&dev->kobj, &dev_attr_grp); - - if (udev->manufacturer) - device_remove_file(dev, &dev_attr_manufacturer); - if (udev->product) - device_remove_file(dev, &dev_attr_product); - if (udev->serial) - device_remove_file(dev, &dev_attr_serial); } /* Interface fields */ @@ -362,33 +430,28 @@ static inline void usb_remove_intf_ep_files(struct usb_interface *intf) int usb_create_sysfs_intf_files(struct usb_interface *intf) { + struct device *dev = &intf->dev; struct usb_device *udev = interface_to_usbdev(intf); struct usb_host_interface *alt = intf->cur_altsetting; int retval; - retval = sysfs_create_group(&intf->dev.kobj, &intf_attr_grp); + retval = sysfs_create_group(&dev->kobj, &intf_attr_grp); if (retval) - goto error; + return retval; if (alt->string == NULL) alt->string = usb_cache_string(udev, alt->desc.iInterface); if (alt->string) - retval = device_create_file(&intf->dev, &dev_attr_interface); + retval = device_create_file(dev, &dev_attr_interface); usb_create_intf_ep_files(intf, udev); return 0; -error: - if (alt->string) - device_remove_file(&intf->dev, &dev_attr_interface); - sysfs_remove_group(&intf->dev.kobj, &intf_attr_grp); - usb_remove_intf_ep_files(intf); - return retval; } void usb_remove_sysfs_intf_files(struct usb_interface *intf) { - usb_remove_intf_ep_files(intf); - sysfs_remove_group(&intf->dev.kobj, &intf_attr_grp); + struct device *dev = &intf->dev; - if (intf->cur_altsetting->string) - device_remove_file(&intf->dev, &dev_attr_interface); + usb_remove_intf_ep_files(intf); + device_remove_file(dev, &dev_attr_interface); + sysfs_remove_group(&dev->kobj, &intf_attr_grp); } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 3db721cd557..54b42ce311c 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -22,6 +22,7 @@ */ #include <linux/module.h> +#include <linux/moduleparam.h> #include <linux/string.h> #include <linux/bitops.h> #include <linux/slab.h> @@ -50,6 +51,16 @@ static int nousb; /* Disable USB when built into kernel image */ struct workqueue_struct *ksuspend_usb_wq; /* For autosuspend */ +#ifdef CONFIG_USB_SUSPEND +static int usb_autosuspend_delay = 2; /* Default delay value, + * in seconds */ +module_param_named(autosuspend, usb_autosuspend_delay, uint, 0644); +MODULE_PARM_DESC(autosuspend, "default autosuspend delay"); + +#else +#define usb_autosuspend_delay 0 +#endif + /** * usb_ifnum_to_if - get the interface object with a given interface number @@ -306,6 +317,7 @@ usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus, unsigned port1) #ifdef CONFIG_PM mutex_init(&dev->pm_mutex); INIT_DELAYED_WORK(&dev->autosuspend, usb_autosuspend_work); + dev->autosuspend_delay = usb_autosuspend_delay * HZ; #endif return dev; } diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 17830a81be1..08b5a04e375 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -13,6 +13,7 @@ extern void usb_disable_interface (struct usb_device *dev, struct usb_interface *intf); extern void usb_release_interface_cache(struct kref *ref); extern void usb_disable_device (struct usb_device *dev, int skip_ep0); +extern void usb_detect_quirks(struct usb_device *udev); extern int usb_get_device_descriptor(struct usb_device *dev, unsigned int size); @@ -21,6 +22,8 @@ extern int usb_set_configuration(struct usb_device *dev, int configuration); extern void usb_kick_khubd(struct usb_device *dev); extern void usb_resume_root_hub(struct usb_device *dev); +extern int usb_match_device(struct usb_device *dev, + const struct usb_device_id *id); extern int usb_hub_init(void); extern void usb_hub_cleanup(void); @@ -62,14 +65,14 @@ static inline void usb_pm_unlock(struct usb_device *udev) {} #ifdef CONFIG_USB_SUSPEND -#define USB_AUTOSUSPEND_DELAY (HZ*2) - extern void usb_autosuspend_device(struct usb_device *udev); +extern void usb_try_autosuspend_device(struct usb_device *udev); extern int usb_autoresume_device(struct usb_device *udev); #else -#define usb_autosuspend_device(udev) do {} while (0) +#define usb_autosuspend_device(udev) do {} while (0) +#define usb_try_autosuspend_device(udev) do {} while (0) static inline int usb_autoresume_device(struct usb_device *udev) { return 0; diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 34296e79edc..188c74a9521 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -553,6 +553,7 @@ static ssize_t ep_aio_read_retry(struct kiocb *iocb) { struct kiocb_priv *priv = iocb->private; ssize_t len, total; + void *to_copy; int i; /* we "retry" to get the right mm context for this: */ @@ -560,10 +561,11 @@ static ssize_t ep_aio_read_retry(struct kiocb *iocb) /* copy stuff into user buffers */ total = priv->actual; len = 0; + to_copy = priv->buf; for (i=0; i < priv->nr_segs; i++) { ssize_t this = min((ssize_t)(priv->iv[i].iov_len), total); - if (copy_to_user(priv->iv[i].iov_base, priv->buf, this)) { + if (copy_to_user(priv->iv[i].iov_base, to_copy, this)) { if (len == 0) len = -EFAULT; break; @@ -571,6 +573,7 @@ static ssize_t ep_aio_read_retry(struct kiocb *iocb) total -= this; len += this; + to_copy += this; if (total == 0) break; } diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c index 5d6c06bc452..8d24d3dc0a6 100644 --- a/drivers/usb/host/uhci-debug.c +++ b/drivers/usb/host/uhci-debug.c @@ -196,7 +196,7 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space) struct uhci_td *td = list_entry(urbp->td_list.next, struct uhci_td, list); - if (cpu_to_le32(td->dma_handle) != (element & ~UHCI_PTR_BITS)) + if (element != LINK_TO_TD(td)) out += sprintf(out, "%*s Element != First TD\n", space, ""); i = nurbs = 0; @@ -220,16 +220,6 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space) return out - buf; } -static const char * const qh_names[] = { - "skel_unlink_qh", "skel_iso_qh", - "skel_int128_qh", "skel_int64_qh", - "skel_int32_qh", "skel_int16_qh", - "skel_int8_qh", "skel_int4_qh", - "skel_int2_qh", "skel_int1_qh", - "skel_ls_control_qh", "skel_fs_control_qh", - "skel_bulk_qh", "skel_term_qh" -}; - static int uhci_show_sc(int port, unsigned short status, char *buf, int len) { char *out = buf; @@ -352,6 +342,12 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len) struct uhci_td *td; struct list_head *tmp, *head; int nframes, nerrs; + __le32 link; + + static const char * const qh_names[] = { + "unlink", "iso", "int128", "int64", "int32", "int16", + "int8", "int4", "int2", "async", "term" + }; out += uhci_show_root_hub_state(uhci, out, len - (out - buf)); out += sprintf(out, "HC status\n"); @@ -374,7 +370,7 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len) nframes = 10; nerrs = 0; for (i = 0; i < UHCI_NUMFRAMES; ++i) { - __le32 link, qh_dma; + __le32 qh_dma; j = 0; td = uhci->frame_cpu[i]; @@ -393,7 +389,7 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len) do { td = list_entry(tmp, struct uhci_td, fl_list); tmp = tmp->next; - if (cpu_to_le32(td->dma_handle) != link) { + if (link != LINK_TO_TD(td)) { if (nframes > 0) out += sprintf(out, " link does " "not match list entry!\n"); @@ -430,23 +426,21 @@ check_link: for (i = 0; i < UHCI_NUM_SKELQH; ++i) { int cnt = 0; + __le32 fsbr_link = 0; qh = uhci->skelqh[i]; - out += sprintf(out, "- %s\n", qh_names[i]); \ + out += sprintf(out, "- skel_%s_qh\n", qh_names[i]); \ out += uhci_show_qh(qh, out, len - (out - buf), 4); /* Last QH is the Terminating QH, it's different */ - if (i == UHCI_NUM_SKELQH - 1) { - if (qh->link != UHCI_PTR_TERM) - out += sprintf(out, " bandwidth reclamation on!\n"); - - if (qh_element(qh) != cpu_to_le32(uhci->term_td->dma_handle)) + if (i == SKEL_TERM) { + if (qh_element(qh) != LINK_TO_TD(uhci->term_td)) out += sprintf(out, " skel_term_qh element is not set to term_td!\n"); - + if (link == LINK_TO_QH(uhci->skel_term_qh)) + goto check_qh_link; continue; } - j = (i < 9) ? 9 : i+1; /* Next skeleton */ head = &qh->node; tmp = head->next; @@ -456,15 +450,26 @@ check_link: if (++cnt <= 10) out += uhci_show_qh(qh, out, len - (out - buf), 4); + if (!fsbr_link && qh->skel >= SKEL_FSBR) + fsbr_link = LINK_TO_QH(qh); } if ((cnt -= 10) > 0) out += sprintf(out, " Skipped %d QHs\n", cnt); - if (i > 1 && i < UHCI_NUM_SKELQH - 1) { - if (qh->link != - (cpu_to_le32(uhci->skelqh[j]->dma_handle) | UHCI_PTR_QH)) - out += sprintf(out, " last QH not linked to next skeleton!\n"); - } + link = UHCI_PTR_TERM; + if (i <= SKEL_ISO) + ; + else if (i < SKEL_ASYNC) + link = LINK_TO_QH(uhci->skel_async_qh); + else if (!uhci->fsbr_is_on) + ; + else if (fsbr_link) + link = fsbr_link; + else + link = LINK_TO_QH(uhci->skel_term_qh); +check_qh_link: + if (qh->link != link) + out += sprintf(out, " last QH not linked to next skeleton!\n"); } return out - buf; diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index ded4df30a63..44da4334f1d 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -13,7 +13,7 @@ * (C) Copyright 2000 Yggdrasil Computing, Inc. (port of new PCI interface * support from usb-ohci.c by Adam Richter, adam@yggdrasil.com). * (C) Copyright 1999 Gregory P. Smith (from usb-ohci.c) - * (C) Copyright 2004-2006 Alan Stern, stern@rowland.harvard.edu + * (C) Copyright 2004-2007 Alan Stern, stern@rowland.harvard.edu * * Intel documents this fairly well, and as far as I know there * are no royalties or anything like that, but even so there are @@ -107,16 +107,16 @@ static __le32 uhci_frame_skel_link(struct uhci_hcd *uhci, int frame) * interrupt QHs, which will help spread out bandwidth utilization. * * ffs (Find First bit Set) does exactly what we need: - * 1,3,5,... => ffs = 0 => use skel_int2_qh = skelqh[8], - * 2,6,10,... => ffs = 1 => use skel_int4_qh = skelqh[7], etc. + * 1,3,5,... => ffs = 0 => use period-2 QH = skelqh[8], + * 2,6,10,... => ffs = 1 => use period-4 QH = skelqh[7], etc. * ffs >= 7 => not on any high-period queue, so use - * skel_int1_qh = skelqh[9]. + * period-1 QH = skelqh[9]. * Add in UHCI_NUMFRAMES to insure at least one bit is set. */ skelnum = 8 - (int) __ffs(frame | UHCI_NUMFRAMES); if (skelnum <= 1) skelnum = 9; - return UHCI_PTR_QH | cpu_to_le32(uhci->skelqh[skelnum]->dma_handle); + return LINK_TO_QH(uhci->skelqh[skelnum]); } #include "uhci-debug.c" @@ -540,16 +540,18 @@ static void uhci_shutdown(struct pci_dev *pdev) * * The hardware doesn't really know any difference * in the queues, but the order does matter for the - * protocols higher up. The order is: + * protocols higher up. The order in which the queues + * are encountered by the hardware is: * - * - any isochronous events handled before any + * - All isochronous events are handled before any * of the queues. We don't do that here, because * we'll create the actual TD entries on demand. - * - The first queue is the interrupt queue. - * - The second queue is the control queue, split into low- and full-speed - * - The third queue is bulk queue. - * - The fourth queue is the bandwidth reclamation queue, which loops back - * to the full-speed control queue. + * - The first queue is the high-period interrupt queue. + * - The second queue is the period-1 interrupt and async + * (low-speed control, full-speed control, then bulk) queue. + * - The third queue is the terminating bandwidth reclamation queue, + * which contains no members, loops back to itself, and is present + * only when FSBR is on and there are no full-speed control or bulk QHs. */ static int uhci_start(struct usb_hcd *hcd) { @@ -626,34 +628,18 @@ static int uhci_start(struct usb_hcd *hcd) } /* - * 8 Interrupt queues; link all higher int queues to int1, - * then link int1 to control and control to bulk + * 8 Interrupt queues; link all higher int queues to int1 = async */ - uhci->skel_int128_qh->link = - uhci->skel_int64_qh->link = - uhci->skel_int32_qh->link = - uhci->skel_int16_qh->link = - uhci->skel_int8_qh->link = - uhci->skel_int4_qh->link = - uhci->skel_int2_qh->link = UHCI_PTR_QH | - cpu_to_le32(uhci->skel_int1_qh->dma_handle); - - uhci->skel_int1_qh->link = UHCI_PTR_QH | - cpu_to_le32(uhci->skel_ls_control_qh->dma_handle); - uhci->skel_ls_control_qh->link = UHCI_PTR_QH | - cpu_to_le32(uhci->skel_fs_control_qh->dma_handle); - uhci->skel_fs_control_qh->link = UHCI_PTR_QH | - cpu_to_le32(uhci->skel_bulk_qh->dma_handle); - uhci->skel_bulk_qh->link = UHCI_PTR_QH | - cpu_to_le32(uhci->skel_term_qh->dma_handle); + for (i = SKEL_ISO + 1; i < SKEL_ASYNC; ++i) + uhci->skelqh[i]->link = LINK_TO_QH(uhci->skel_async_qh); + uhci->skel_async_qh->link = uhci->skel_term_qh->link = UHCI_PTR_TERM; /* This dummy TD is to work around a bug in Intel PIIX controllers */ uhci_fill_td(uhci->term_td, 0, uhci_explen(0) | - (0x7f << TD_TOKEN_DEVADDR_SHIFT) | USB_PID_IN, 0); - uhci->term_td->link = cpu_to_le32(uhci->term_td->dma_handle); - - uhci->skel_term_qh->link = UHCI_PTR_TERM; - uhci->skel_term_qh->element = cpu_to_le32(uhci->term_td->dma_handle); + (0x7f << TD_TOKEN_DEVADDR_SHIFT) | USB_PID_IN, 0); + uhci->term_td->link = UHCI_PTR_TERM; + uhci->skel_async_qh->element = uhci->skel_term_qh->element = + LINK_TO_TD(uhci->term_td); /* * Fill the frame list: make all entries point to the proper diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index 74469b5bcb6..1b3d23406ac 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -129,11 +129,12 @@ struct uhci_qh { __le32 element; /* Queue element (TD) pointer */ /* Software fields */ + dma_addr_t dma_handle; + struct list_head node; /* Node in the list of QHs */ struct usb_host_endpoint *hep; /* Endpoint information */ struct usb_device *udev; struct list_head queue; /* Queue of urbps for this QH */ - struct uhci_qh *skel; /* Skeleton for this QH */ struct uhci_td *dummy_td; /* Dummy TD to end the queue */ struct uhci_td *post_td; /* Last TD completed */ @@ -149,8 +150,7 @@ struct uhci_qh { int state; /* QH_STATE_xxx; see above */ int type; /* Queue type (control, bulk, etc) */ - - dma_addr_t dma_handle; + int skel; /* Skeleton queue number */ unsigned int initial_toggle:1; /* Endpoint's current toggle value */ unsigned int needs_fixup:1; /* Must fix the TD toggle values */ @@ -171,6 +171,8 @@ static inline __le32 qh_element(struct uhci_qh *qh) { return element; } +#define LINK_TO_QH(qh) (UHCI_PTR_QH | cpu_to_le32((qh)->dma_handle)) + /* * Transfer Descriptors @@ -264,6 +266,8 @@ static inline u32 td_status(struct uhci_td *td) { return le32_to_cpu(status); } +#define LINK_TO_TD(td) (cpu_to_le32((td)->dma_handle)) + /* * Skeleton Queue Headers @@ -272,12 +276,13 @@ static inline u32 td_status(struct uhci_td *td) { /* * The UHCI driver uses QHs with Interrupt, Control and Bulk URBs for * automatic queuing. To make it easy to insert entries into the schedule, - * we have a skeleton of QHs for each predefined Interrupt latency, - * low-speed control, full-speed control, bulk, and terminating QH - * (see explanation for the terminating QH below). + * we have a skeleton of QHs for each predefined Interrupt latency. + * Asynchronous QHs (low-speed control, full-speed control, and bulk) + * go onto the period-1 interrupt list, since they all get accessed on + * every frame. * - * When we want to add a new QH, we add it to the end of the list for the - * skeleton QH. For instance, the schedule list can look like this: + * When we want to add a new QH, we add it to the list starting from the + * appropriate skeleton QH. For instance, the schedule can look like this: * * skel int128 QH * dev 1 interrupt QH @@ -285,50 +290,47 @@ static inline u32 td_status(struct uhci_td *td) { * skel int64 QH * skel int32 QH * ... - * skel int1 QH - * skel low-speed control QH - * dev 5 control QH - * skel full-speed control QH - * skel bulk QH + * skel int1 + async QH + * dev 5 low-speed control QH * dev 1 bulk QH * dev 2 bulk QH - * skel terminating QH * - * The terminating QH is used for 2 reasons: - * - To place a terminating TD which is used to workaround a PIIX bug - * (see Intel errata for explanation), and - * - To loop back to the full-speed control queue for full-speed bandwidth - * reclamation. + * There is a special terminating QH used to keep full-speed bandwidth + * reclamation active when no full-speed control or bulk QHs are linked + * into the schedule. It has an inactive TD (to work around a PIIX bug, + * see the Intel errata) and it points back to itself. * - * There's a special skeleton QH for Isochronous QHs. It never appears - * on the schedule, and Isochronous TDs go on the schedule before the + * There's a special skeleton QH for Isochronous QHs which never appears + * on the schedule. Isochronous TDs go on the schedule before the * the skeleton QHs. The hardware accesses them directly rather than * through their QH, which is used only for bookkeeping purposes. * While the UHCI spec doesn't forbid the use of QHs for Isochronous, * it doesn't use them either. And the spec says that queues never * advance on an error completion status, which makes them totally * unsuitable for Isochronous transfers. + * + * There's also a special skeleton QH used for QHs which are in the process + * of unlinking and so may still be in use by the hardware. It too never + * appears on the schedule. */ -#define UHCI_NUM_SKELQH 14 -#define skel_unlink_qh skelqh[0] -#define skel_iso_qh skelqh[1] -#define skel_int128_qh skelqh[2] -#define skel_int64_qh skelqh[3] -#define skel_int32_qh skelqh[4] -#define skel_int16_qh skelqh[5] -#define skel_int8_qh skelqh[6] -#define skel_int4_qh skelqh[7] -#define skel_int2_qh skelqh[8] -#define skel_int1_qh skelqh[9] -#define skel_ls_control_qh skelqh[10] -#define skel_fs_control_qh skelqh[11] -#define skel_bulk_qh skelqh[12] -#define skel_term_qh skelqh[13] - -/* Find the skelqh entry corresponding to an interval exponent */ -#define UHCI_SKEL_INDEX(exponent) (9 - exponent) - +#define UHCI_NUM_SKELQH 11 +#define SKEL_UNLINK 0 +#define skel_unlink_qh skelqh[SKEL_UNLINK] +#define SKEL_ISO 1 +#define skel_iso_qh skelqh[SKEL_ISO] + /* int128, int64, ..., int1 = 2, 3, ..., 9 */ +#define SKEL_INDEX(exponent) (9 - exponent) +#define SKEL_ASYNC 9 +#define skel_async_qh skelqh[SKEL_ASYNC] +#define SKEL_TERM 10 +#define skel_term_qh skelqh[SKEL_TERM] + +/* The following entries refer to sublists of skel_async_qh */ +#define SKEL_LS_CONTROL 20 +#define SKEL_FS_CONTROL 21 +#define SKEL_FSBR SKEL_FS_CONTROL +#define SKEL_BULK 22 /* * The UHCI controller and root hub diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index 68e66b33e72..f4ebdb3e488 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -13,7 +13,7 @@ * (C) Copyright 2000 Yggdrasil Computing, Inc. (port of new PCI interface * support from usb-ohci.c by Adam Richter, adam@yggdrasil.com). * (C) Copyright 1999 Gregory P. Smith (from usb-ohci.c) - * (C) Copyright 2004-2006 Alan Stern, stern@rowland.harvard.edu + * (C) Copyright 2004-2007 Alan Stern, stern@rowland.harvard.edu */ @@ -45,15 +45,43 @@ static inline void uhci_clear_next_interrupt(struct uhci_hcd *uhci) */ static void uhci_fsbr_on(struct uhci_hcd *uhci) { + struct uhci_qh *fsbr_qh, *lqh, *tqh; + uhci->fsbr_is_on = 1; - uhci->skel_term_qh->link = cpu_to_le32( - uhci->skel_fs_control_qh->dma_handle) | UHCI_PTR_QH; + lqh = list_entry(uhci->skel_async_qh->node.prev, + struct uhci_qh, node); + + /* Find the first FSBR QH. Linear search through the list is + * acceptable because normally FSBR gets turned on as soon as + * one QH needs it. */ + fsbr_qh = NULL; + list_for_each_entry_reverse(tqh, &uhci->skel_async_qh->node, node) { + if (tqh->skel < SKEL_FSBR) + break; + fsbr_qh = tqh; + } + + /* No FSBR QH means we must insert the terminating skeleton QH */ + if (!fsbr_qh) { + uhci->skel_term_qh->link = LINK_TO_QH(uhci->skel_term_qh); + wmb(); + lqh->link = uhci->skel_term_qh->link; + + /* Otherwise loop the last QH to the first FSBR QH */ + } else + lqh->link = LINK_TO_QH(fsbr_qh); } static void uhci_fsbr_off(struct uhci_hcd *uhci) { + struct uhci_qh *lqh; + uhci->fsbr_is_on = 0; - uhci->skel_term_qh->link = UHCI_PTR_TERM; + lqh = list_entry(uhci->skel_async_qh->node.prev, + struct uhci_qh, node); + + /* End the async list normally and unlink the terminating QH */ + lqh->link = uhci->skel_term_qh->link = UHCI_PTR_TERM; } static void uhci_add_fsbr(struct uhci_hcd *uhci, struct urb *urb) @@ -158,11 +186,11 @@ static inline void uhci_insert_td_in_frame_list(struct uhci_hcd *uhci, td->link = ltd->link; wmb(); - ltd->link = cpu_to_le32(td->dma_handle); + ltd->link = LINK_TO_TD(td); } else { td->link = uhci->frame[framenum]; wmb(); - uhci->frame[framenum] = cpu_to_le32(td->dma_handle); + uhci->frame[framenum] = LINK_TO_TD(td); uhci->frame_cpu[framenum] = td; } } @@ -184,7 +212,7 @@ static inline void uhci_remove_td_from_frame_list(struct uhci_hcd *uhci, struct uhci_td *ntd; ntd = list_entry(td->fl_list.next, struct uhci_td, fl_list); - uhci->frame[td->frame] = cpu_to_le32(ntd->dma_handle); + uhci->frame[td->frame] = LINK_TO_TD(ntd); uhci->frame_cpu[td->frame] = ntd; } } else { @@ -405,12 +433,81 @@ static void uhci_fixup_toggles(struct uhci_qh *qh, int skip_first) } /* - * Put a QH on the schedule in both hardware and software + * Link an Isochronous QH into its skeleton's list */ -static void uhci_activate_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) +static inline void link_iso(struct uhci_hcd *uhci, struct uhci_qh *qh) +{ + list_add_tail(&qh->node, &uhci->skel_iso_qh->node); + + /* Isochronous QHs aren't linked by the hardware */ +} + +/* + * Link a high-period interrupt QH into the schedule at the end of its + * skeleton's list + */ +static void link_interrupt(struct uhci_hcd *uhci, struct uhci_qh *qh) { struct uhci_qh *pqh; + list_add_tail(&qh->node, &uhci->skelqh[qh->skel]->node); + + pqh = list_entry(qh->node.prev, struct uhci_qh, node); + qh->link = pqh->link; + wmb(); + pqh->link = LINK_TO_QH(qh); +} + +/* + * Link a period-1 interrupt or async QH into the schedule at the + * correct spot in the async skeleton's list, and update the FSBR link + */ +static void link_async(struct uhci_hcd *uhci, struct uhci_qh *qh) +{ + struct uhci_qh *pqh, *lqh; + __le32 link_to_new_qh; + __le32 *extra_link = &link_to_new_qh; + + /* Find the predecessor QH for our new one and insert it in the list. + * The list of QHs is expected to be short, so linear search won't + * take too long. */ + list_for_each_entry_reverse(pqh, &uhci->skel_async_qh->node, node) { + if (pqh->skel <= qh->skel) + break; + } + list_add(&qh->node, &pqh->node); + qh->link = pqh->link; + + link_to_new_qh = LINK_TO_QH(qh); + + /* If this is now the first FSBR QH, take special action */ + if (uhci->fsbr_is_on && pqh->skel < SKEL_FSBR && + qh->skel >= SKEL_FSBR) { + lqh = list_entry(uhci->skel_async_qh->node.prev, + struct uhci_qh, node); + + /* If the new QH is also the last one, we must unlink + * the terminating skeleton QH and make the new QH point + * back to itself. */ + if (qh == lqh) { + qh->link = link_to_new_qh; + extra_link = &uhci->skel_term_qh->link; + + /* Otherwise the last QH must point to the new QH */ + } else + extra_link = &lqh->link; + } + + /* Link it into the schedule */ + wmb(); + *extra_link = pqh->link = link_to_new_qh; +} + +/* + * Put a QH on the schedule in both hardware and software + */ +static void uhci_activate_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) +{ WARN_ON(list_empty(&qh->queue)); /* Set the element pointer if it isn't set already. @@ -421,7 +518,7 @@ static void uhci_activate_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) struct uhci_td *td = list_entry(urbp->td_list.next, struct uhci_td, list); - qh->element = cpu_to_le32(td->dma_handle); + qh->element = LINK_TO_TD(td); } /* Treat the queue as if it has just advanced */ @@ -432,18 +529,64 @@ static void uhci_activate_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) return; qh->state = QH_STATE_ACTIVE; - /* Move the QH from its old list to the end of the appropriate + /* Move the QH from its old list to the correct spot in the appropriate * skeleton's list */ if (qh == uhci->next_qh) uhci->next_qh = list_entry(qh->node.next, struct uhci_qh, node); - list_move_tail(&qh->node, &qh->skel->node); + list_del(&qh->node); + + if (qh->skel == SKEL_ISO) + link_iso(uhci, qh); + else if (qh->skel < SKEL_ASYNC) + link_interrupt(uhci, qh); + else + link_async(uhci, qh); +} + +/* + * Unlink a high-period interrupt QH from the schedule + */ +static void unlink_interrupt(struct uhci_hcd *uhci, struct uhci_qh *qh) +{ + struct uhci_qh *pqh; - /* Link it into the schedule */ pqh = list_entry(qh->node.prev, struct uhci_qh, node); - qh->link = pqh->link; - wmb(); - pqh->link = UHCI_PTR_QH | cpu_to_le32(qh->dma_handle); + pqh->link = qh->link; + mb(); +} + +/* + * Unlink a period-1 interrupt or async QH from the schedule + */ +static void unlink_async(struct uhci_hcd *uhci, struct uhci_qh *qh) +{ + struct uhci_qh *pqh, *lqh; + __le32 link_to_next_qh = qh->link; + + pqh = list_entry(qh->node.prev, struct uhci_qh, node); + + /* If this is the first FSBQ QH, take special action */ + if (uhci->fsbr_is_on && pqh->skel < SKEL_FSBR && + qh->skel >= SKEL_FSBR) { + lqh = list_entry(uhci->skel_async_qh->node.prev, + struct uhci_qh, node); + + /* If this QH is also the last one, we must link in + * the terminating skeleton QH. */ + if (qh == lqh) { + link_to_next_qh = LINK_TO_QH(uhci->skel_term_qh); + uhci->skel_term_qh->link = link_to_next_qh; + wmb(); + qh->link = link_to_next_qh; + + /* Otherwise the last QH must point to the new first FSBR QH */ + } else + lqh->link = link_to_next_qh; + } + + pqh->link = link_to_next_qh; + mb(); } /* @@ -451,17 +594,18 @@ static void uhci_activate_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) */ static void uhci_unlink_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) { - struct uhci_qh *pqh; - if (qh->state == QH_STATE_UNLINKING) return; WARN_ON(qh->state != QH_STATE_ACTIVE || !qh->udev); qh->state = QH_STATE_UNLINKING; /* Unlink the QH from the schedule and record when we did it */ - pqh = list_entry(qh->node.prev, struct uhci_qh, node); - pqh->link = qh->link; - mb(); + if (qh->skel == SKEL_ISO) + ; + else if (qh->skel < SKEL_ASYNC) + unlink_interrupt(uhci, qh); + else + unlink_async(uhci, qh); uhci_get_current_frame_number(uhci); qh->unlink_frame = uhci->frame_number; @@ -697,6 +841,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, dma_addr_t data = urb->transfer_dma; __le32 *plink; struct urb_priv *urbp = urb->hcpriv; + int skel; /* The "pipe" thing contains the destination in bits 8--18 */ destination = (urb->pipe & PIPE_DEVEP_MASK) | USB_PID_SETUP; @@ -737,7 +882,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, td = uhci_alloc_td(uhci); if (!td) goto nomem; - *plink = cpu_to_le32(td->dma_handle); + *plink = LINK_TO_TD(td); /* Alternate Data0/1 (start with Data1) */ destination ^= TD_TOKEN_TOGGLE; @@ -757,7 +902,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, td = uhci_alloc_td(uhci); if (!td) goto nomem; - *plink = cpu_to_le32(td->dma_handle); + *plink = LINK_TO_TD(td); /* * It's IN if the pipe is an output pipe or we're not expecting @@ -784,7 +929,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, td = uhci_alloc_td(uhci); if (!td) goto nomem; - *plink = cpu_to_le32(td->dma_handle); + *plink = LINK_TO_TD(td); uhci_fill_td(td, 0, USB_PID_OUT | uhci_explen(0), 0); wmb(); @@ -797,11 +942,13 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, * isn't in the CONFIGURED state. */ if (urb->dev->speed == USB_SPEED_LOW || urb->dev->state != USB_STATE_CONFIGURED) - qh->skel = uhci->skel_ls_control_qh; + skel = SKEL_LS_CONTROL; else { - qh->skel = uhci->skel_fs_control_qh; + skel = SKEL_FS_CONTROL; uhci_add_fsbr(uhci, urb); } + if (qh->state != QH_STATE_ACTIVE) + qh->skel = skel; urb->actual_length = -8; /* Account for the SETUP packet */ return 0; @@ -860,7 +1007,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, td = uhci_alloc_td(uhci); if (!td) goto nomem; - *plink = cpu_to_le32(td->dma_handle); + *plink = LINK_TO_TD(td); } uhci_add_td_to_urbp(td, urbp); uhci_fill_td(td, status, @@ -888,7 +1035,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, td = uhci_alloc_td(uhci); if (!td) goto nomem; - *plink = cpu_to_le32(td->dma_handle); + *plink = LINK_TO_TD(td); uhci_add_td_to_urbp(td, urbp); uhci_fill_td(td, status, @@ -914,7 +1061,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, td = uhci_alloc_td(uhci); if (!td) goto nomem; - *plink = cpu_to_le32(td->dma_handle); + *plink = LINK_TO_TD(td); uhci_fill_td(td, 0, USB_PID_OUT | uhci_explen(0), 0); wmb(); @@ -931,7 +1078,7 @@ nomem: return -ENOMEM; } -static inline int uhci_submit_bulk(struct uhci_hcd *uhci, struct urb *urb, +static int uhci_submit_bulk(struct uhci_hcd *uhci, struct urb *urb, struct uhci_qh *qh) { int ret; @@ -940,7 +1087,8 @@ static inline int uhci_submit_bulk(struct uhci_hcd *uhci, struct urb *urb, if (urb->dev->speed == USB_SPEED_LOW) return -EINVAL; - qh->skel = uhci->skel_bulk_qh; + if (qh->state != QH_STATE_ACTIVE) + qh->skel = SKEL_BULK; ret = uhci_submit_common(uhci, urb, qh); if (ret == 0) uhci_add_fsbr(uhci, urb); @@ -968,7 +1116,7 @@ static int uhci_submit_interrupt(struct uhci_hcd *uhci, struct urb *urb, if (exponent < 0) return -EINVAL; qh->period = 1 << exponent; - qh->skel = uhci->skelqh[UHCI_SKEL_INDEX(exponent)]; + qh->skel = SKEL_INDEX(exponent); /* For now, interrupt phase is fixed by the layout * of the QH lists. */ @@ -1005,7 +1153,7 @@ static int uhci_fixup_short_transfer(struct uhci_hcd *uhci, * the queue at the status stage transaction, which is * the last TD. */ WARN_ON(list_empty(&urbp->td_list)); - qh->element = cpu_to_le32(td->dma_handle); + qh->element = LINK_TO_TD(td); tmp = td->list.prev; ret = -EINPROGRESS; @@ -1216,7 +1364,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, qh->iso_status = 0; } - qh->skel = uhci->skel_iso_qh; + qh->skel = SKEL_ISO; if (!qh->bandwidth_reserved) uhci_reserve_bandwidth(uhci, qh); return 0; @@ -1566,8 +1714,7 @@ static int uhci_advance_check(struct uhci_hcd *uhci, struct uhci_qh *qh) if (time_after(jiffies, qh->advance_jiffies + QH_WAIT_TIMEOUT)) { /* Detect the Intel bug and work around it */ - if (qh->post_td && qh_element(qh) == - cpu_to_le32(qh->post_td->dma_handle)) { + if (qh->post_td && qh_element(qh) == LINK_TO_TD(qh->post_td)) { qh->element = qh->post_td->link; qh->advance_jiffies = jiffies; ret = 1; diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c index 8505824848f..3749f4a235f 100644 --- a/drivers/usb/input/usbkbd.c +++ b/drivers/usb/input/usbkbd.c @@ -31,6 +31,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/usb/input.h> +#include <linux/hid.h> /* * Version Information @@ -330,7 +331,8 @@ static void usb_kbd_disconnect(struct usb_interface *intf) } static struct usb_device_id usb_kbd_id_table [] = { - { USB_INTERFACE_INFO(3, 1, 1) }, + { USB_INTERFACE_INFO(USB_INTERFACE_CLASS_HID, USB_INTERFACE_SUBCLASS_BOOT, + USB_INTERFACE_PROTOCOL_KEYBOARD) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/input/usbmouse.c b/drivers/usb/input/usbmouse.c index 64a33e420cf..692fd608777 100644 --- a/drivers/usb/input/usbmouse.c +++ b/drivers/usb/input/usbmouse.c @@ -31,6 +31,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/usb/input.h> +#include <linux/hid.h> /* * Version Information @@ -213,7 +214,8 @@ static void usb_mouse_disconnect(struct usb_interface *intf) } static struct usb_device_id usb_mouse_id_table [] = { - { USB_INTERFACE_INFO(3, 1, 2) }, + { USB_INTERFACE_INFO(USB_INTERFACE_CLASS_HID, USB_INTERFACE_SUBCLASS_BOOT, + USB_INTERFACE_PROTOCOL_MOUSE) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/input/wacom_wac.c b/drivers/usb/input/wacom_wac.c index 4142e36730f..4f3e9bc7177 100644 --- a/drivers/usb/input/wacom_wac.c +++ b/drivers/usb/input/wacom_wac.c @@ -163,7 +163,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) } id = STYLUS_DEVICE_ID; - if (data[1] & 0x10) { /* in prox */ + if (data[1] & 0x80) { /* in prox */ switch ((data[1] >> 5) & 3) { @@ -196,9 +196,6 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f); break; } - } - - if (data[1] & 0x90) { x = wacom_le16_to_cpu(&data[2]); y = wacom_le16_to_cpu(&data[4]); wacom_report_abs(wcombo, ABS_X, x); @@ -210,19 +207,28 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04); } wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */ - } - else - wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */ - - if (data[1] & 0x10) /* only report prox-in when in area */ wacom_report_key(wcombo, wacom->tool[0], 1); - if (!(data[1] & 0x90)) /* report prox-out when physically out */ + } else if (!(data[1] & 0x90)) { + wacom_report_abs(wcombo, ABS_X, 0); + wacom_report_abs(wcombo, ABS_Y, 0); + if (wacom->tool[0] == BTN_TOOL_MOUSE) { + wacom_report_key(wcombo, BTN_LEFT, 0); + wacom_report_key(wcombo, BTN_RIGHT, 0); + wacom_report_abs(wcombo, ABS_DISTANCE, 0); + } else { + wacom_report_abs(wcombo, ABS_PRESSURE, 0); + wacom_report_key(wcombo, BTN_TOUCH, 0); + wacom_report_key(wcombo, BTN_STYLUS, 0); + wacom_report_key(wcombo, BTN_STYLUS2, 0); + } + wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */ wacom_report_key(wcombo, wacom->tool[0], 0); - wacom_input_sync(wcombo); + } /* send pad data */ if (wacom->features->type == WACOM_G4) { - if ( (wacom->serial[1] & 0xc0) != (data[7] & 0xf8) ) { + if (data[7] & 0xf8) { + wacom_input_sync(wcombo); /* sync last event */ wacom->id[1] = 1; wacom->serial[1] = (data[7] & 0xf8); wacom_report_key(wcombo, BTN_0, (data[7] & 0x40)); @@ -230,10 +236,15 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo) rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3); wacom_report_rel(wcombo, REL_WHEEL, rw); wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0); + wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID); wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); } else if (wacom->id[1]) { + wacom_input_sync(wcombo); /* sync last event */ wacom->id[1] = 0; + wacom_report_key(wcombo, BTN_0, (data[7] & 0x40)); + wacom_report_key(wcombo, BTN_4, (data[7] & 0x80)); wacom_report_key(wcombo, BTN_TOOL_FINGER, 0); + wacom_report_abs(wcombo, ABS_MISC, 0); wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); } } @@ -304,28 +315,35 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo) default: /* Unknown tool */ wacom->tool[idx] = BTN_TOOL_PEN; } - /* only large I3 support Lens Cursor */ - if(!((wacom->tool[idx] == BTN_TOOL_LENS) - && ((wacom->features->type == INTUOS3) - || (wacom->features->type == INTUOS3S)))) { - wacom_report_abs(wcombo, ABS_MISC, wacom->id[idx]); /* report tool id */ - wacom_report_key(wcombo, wacom->tool[idx], 1); - wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]); - return 2; - } return 1; } /* Exit report */ if ((data[1] & 0xfe) == 0x80) { - if(!((wacom->tool[idx] == BTN_TOOL_LENS) - && ((wacom->features->type == INTUOS3) - || (wacom->features->type == INTUOS3S)))) { - wacom_report_key(wcombo, wacom->tool[idx], 0); - wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */ - wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]); - return 2; + wacom_report_abs(wcombo, ABS_X, 0); + wacom_report_abs(wcombo, ABS_Y, 0); + wacom_report_abs(wcombo, ABS_DISTANCE, 0); + if (wacom->tool[idx] >= BTN_TOOL_MOUSE) { + wacom_report_key(wcombo, BTN_LEFT, 0); + wacom_report_key(wcombo, BTN_MIDDLE, 0); + wacom_report_key(wcombo, BTN_RIGHT, 0); + wacom_report_key(wcombo, BTN_SIDE, 0); + wacom_report_key(wcombo, BTN_EXTRA, 0); + wacom_report_abs(wcombo, ABS_THROTTLE, 0); + wacom_report_abs(wcombo, ABS_RZ, 0); + } else { + wacom_report_abs(wcombo, ABS_PRESSURE, 0); + wacom_report_abs(wcombo, ABS_TILT_X, 0); + wacom_report_abs(wcombo, ABS_TILT_Y, 0); + wacom_report_key(wcombo, BTN_STYLUS, 0); + wacom_report_key(wcombo, BTN_STYLUS2, 0); + wacom_report_key(wcombo, BTN_TOUCH, 0); + wacom_report_abs(wcombo, ABS_WHEEL, 0); } + wacom_report_key(wcombo, wacom->tool[idx], 0); + wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */ + wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]); + return 2; } return 0; } @@ -394,6 +412,7 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo) wacom_report_key(wcombo, wacom->tool[1], 1); else wacom_report_key(wcombo, wacom->tool[1], 0); + wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID); wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xffffffff); return 1; } @@ -403,6 +422,12 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo) if (result) return result-1; + /* Only large I3 and I1 & I2 support Lense Cursor */ + if((wacom->tool[idx] == BTN_TOOL_LENS) + && ((wacom->features->type == INTUOS3) + || (wacom->features->type == INTUOS3S))) + return 0; + /* Cintiq doesn't send data when RDY bit isn't set */ if ((wacom->features->type == CINTIQ) && !(data[1] & 0x40)) return 0; @@ -554,11 +579,11 @@ static struct wacom_features wacom_features[] = { { "Wacom Volito2 4x5", 8, 5104, 3712, 511, 63, GRAPHIRE }, { "Wacom Volito2 2x3", 8, 3248, 2320, 511, 63, GRAPHIRE }, { "Wacom PenPartner2", 8, 3250, 2320, 255, 63, GRAPHIRE }, - { "Wacom Intuos 4x5", 10, 12700, 10600, 1023, 63, INTUOS }, - { "Wacom Intuos 6x8", 10, 20320, 16240, 1023, 63, INTUOS }, - { "Wacom Intuos 9x12", 10, 30480, 24060, 1023, 63, INTUOS }, - { "Wacom Intuos 12x12", 10, 30480, 31680, 1023, 63, INTUOS }, - { "Wacom Intuos 12x18", 10, 45720, 31680, 1023, 63, INTUOS }, + { "Wacom Intuos 4x5", 10, 12700, 10600, 1023, 31, INTUOS }, + { "Wacom Intuos 6x8", 10, 20320, 16240, 1023, 31, INTUOS }, + { "Wacom Intuos 9x12", 10, 30480, 24060, 1023, 31, INTUOS }, + { "Wacom Intuos 12x12", 10, 30480, 31680, 1023, 31, INTUOS }, + { "Wacom Intuos 12x18", 10, 45720, 31680, 1023, 31, INTUOS }, { "Wacom PL400", 8, 5408, 4056, 255, 0, PL }, { "Wacom PL500", 8, 6144, 4608, 255, 0, PL }, { "Wacom PL600", 8, 6126, 4604, 255, 0, PL }, @@ -571,11 +596,11 @@ static struct wacom_features wacom_features[] = { { "Wacom DTF521", 8, 6282, 4762, 511, 0, PL }, { "Wacom DTF720", 8, 6858, 5506, 511, 0, PL }, { "Wacom Cintiq Partner",8, 20480, 15360, 511, 0, PTU }, - { "Wacom Intuos2 4x5", 10, 12700, 10600, 1023, 63, INTUOS }, - { "Wacom Intuos2 6x8", 10, 20320, 16240, 1023, 63, INTUOS }, - { "Wacom Intuos2 9x12", 10, 30480, 24060, 1023, 63, INTUOS }, - { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 63, INTUOS }, - { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 63, INTUOS }, + { "Wacom Intuos2 4x5", 10, 12700, 10600, 1023, 31, INTUOS }, + { "Wacom Intuos2 6x8", 10, 20320, 16240, 1023, 31, INTUOS }, + { "Wacom Intuos2 9x12", 10, 30480, 24060, 1023, 31, INTUOS }, + { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 31, INTUOS }, + { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 31, INTUOS }, { "Wacom Intuos3 4x5", 10, 25400, 20320, 1023, 63, INTUOS3S }, { "Wacom Intuos3 6x8", 10, 40640, 30480, 1023, 63, INTUOS3 }, { "Wacom Intuos3 9x12", 10, 60960, 45720, 1023, 63, INTUOS3 }, @@ -584,7 +609,7 @@ static struct wacom_features wacom_features[] = { { "Wacom Intuos3 6x11", 10, 54204, 31750, 1023, 63, INTUOS3 }, { "Wacom Intuos3 4x6", 10, 31496, 19685, 1023, 63, INTUOS3S }, { "Wacom Cintiq 21UX", 10, 87200, 65600, 1023, 63, CINTIQ }, - { "Wacom Intuos2 6x8", 10, 20320, 16240, 1023, 63, INTUOS }, + { "Wacom Intuos2 6x8", 10, 20320, 16240, 1023, 31, INTUOS }, { } }; diff --git a/drivers/usb/input/wacom_wac.h b/drivers/usb/input/wacom_wac.h index a1d9ce00797..a2302228724 100644 --- a/drivers/usb/input/wacom_wac.h +++ b/drivers/usb/input/wacom_wac.h @@ -12,6 +12,7 @@ #define STYLUS_DEVICE_ID 0x02 #define CURSOR_DEVICE_ID 0x06 #define ERASER_DEVICE_ID 0x0A +#define PAD_DEVICE_ID 0x0F enum { PENPARTNER = 0, diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index 4907e8b8007..9c7eb6144d0 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -244,6 +244,20 @@ config USB_TRANCEVIBRATOR To compile this driver as a module, choose M here: the module will be called trancevibrator. +config USB_IOWARRIOR + tristate "IO Warrior driver support" + depends on USB + help + Say Y here if you want to support the IO Warrior devices from Code + Mercenaries. This includes support for the following devices: + IO Warrior 40 + IO Warrior 24 + IO Warrior 56 + IO Warrior 24 Power Vampire + + To compile this driver as a module, choose M here: the + module will be called iowarrior. + config USB_TEST tristate "USB testing driver (DEVELOPMENT)" depends on USB && USB_DEVICEFS && EXPERIMENTAL diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index dac2d5b7156..b68e6b774f1 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_USB_EMI26) += emi26.o obj-$(CONFIG_USB_EMI62) += emi62.o obj-$(CONFIG_USB_FTDI_ELAN) += ftdi-elan.o obj-$(CONFIG_USB_IDMOUSE) += idmouse.o +obj-$(CONFIG_USB_IOWARRIOR) += iowarrior.o obj-$(CONFIG_USB_LCD) += usblcd.o obj-$(CONFIG_USB_LD) += ldusb.o obj-$(CONFIG_USB_LED) += usbled.o diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c new file mode 100644 index 00000000000..d69665c8de0 --- /dev/null +++ b/drivers/usb/misc/iowarrior.c @@ -0,0 +1,925 @@ +/* + * Native support for the I/O-Warrior USB devices + * + * Copyright (c) 2003-2005 Code Mercenaries GmbH + * written by Christian Lucht <lucht@codemercs.com> + * + * based on + + * usb-skeleton.c by Greg Kroah-Hartman <greg@kroah.com> + * brlvger.c by Stephane Dalton <sdalton@videotron.ca> + * and St�hane Doyon <s.doyon@videotron.ca> + * + * Released under the GPLv2. + */ + +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/sched.h> +#include <linux/poll.h> +#include <linux/version.h> +#include <linux/usb/iowarrior.h> + +/* Version Information */ +#define DRIVER_VERSION "v0.4.0" +#define DRIVER_AUTHOR "Christian Lucht <lucht@codemercs.com>" +#define DRIVER_DESC "USB IO-Warrior driver (Linux 2.6.x)" + +#define USB_VENDOR_ID_CODEMERCS 1984 +/* low speed iowarrior */ +#define USB_DEVICE_ID_CODEMERCS_IOW40 0x1500 +#define USB_DEVICE_ID_CODEMERCS_IOW24 0x1501 +#define USB_DEVICE_ID_CODEMERCS_IOWPV1 0x1511 +#define USB_DEVICE_ID_CODEMERCS_IOWPV2 0x1512 +/* full speed iowarrior */ +#define USB_DEVICE_ID_CODEMERCS_IOW56 0x1503 + +/* Get a minor range for your devices from the usb maintainer */ +#ifdef CONFIG_USB_DYNAMIC_MINORS +#define IOWARRIOR_MINOR_BASE 0 +#else +#define IOWARRIOR_MINOR_BASE 208 // SKELETON_MINOR_BASE 192 + 16, not offical yet +#endif + +/* interrupt input queue size */ +#define MAX_INTERRUPT_BUFFER 16 +/* + maximum number of urbs that are submitted for writes at the same time, + this applies to the IOWarrior56 only! + IOWarrior24 and IOWarrior40 use synchronous usb_control_msg calls. +*/ +#define MAX_WRITES_IN_FLIGHT 4 + +/* Use our own dbg macro */ +#undef dbg +#define dbg( format, arg... ) do { if( debug ) printk( KERN_DEBUG __FILE__ ": " format "\n" , ## arg ); } while ( 0 ) + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* Module parameters */ +static int debug = 0; +module_param(debug, bool, 0644); +MODULE_PARM_DESC(debug, "debug=1 enables debugging messages"); + +static struct usb_driver iowarrior_driver; + +/*--------------*/ +/* data */ +/*--------------*/ + +/* Structure to hold all of our device specific stuff */ +struct iowarrior { + struct mutex mutex; /* locks this structure */ + struct usb_device *udev; /* save off the usb device pointer */ + struct usb_interface *interface; /* the interface for this device */ + unsigned char minor; /* the starting minor number for this device */ + struct usb_endpoint_descriptor *int_out_endpoint; /* endpoint for reading (needed for IOW56 only) */ + struct usb_endpoint_descriptor *int_in_endpoint; /* endpoint for reading */ + struct urb *int_in_urb; /* the urb for reading data */ + unsigned char *int_in_buffer; /* buffer for data to be read */ + unsigned char serial_number; /* to detect lost packages */ + unsigned char *read_queue; /* size is MAX_INTERRUPT_BUFFER * packet size */ + wait_queue_head_t read_wait; + wait_queue_head_t write_wait; /* wait-queue for writing to the device */ + atomic_t write_busy; /* number of write-urbs submitted */ + atomic_t read_idx; + atomic_t intr_idx; + spinlock_t intr_idx_lock; /* protects intr_idx */ + atomic_t overflow_flag; /* signals an index 'rollover' */ + int present; /* this is 1 as long as the device is connected */ + int opened; /* this is 1 if the device is currently open */ + char chip_serial[9]; /* the serial number string of the chip connected */ + int report_size; /* number of bytes in a report */ + u16 product_id; +}; + +/*--------------*/ +/* globals */ +/*--------------*/ +/* prevent races between open() and disconnect() */ +static DECLARE_MUTEX(disconnect_sem); + +/* + * USB spec identifies 5 second timeouts. + */ +#define GET_TIMEOUT 5 +#define USB_REQ_GET_REPORT 0x01 +//#if 0 +static int usb_get_report(struct usb_device *dev, + struct usb_host_interface *inter, unsigned char type, + unsigned char id, void *buf, int size) +{ + return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + USB_REQ_GET_REPORT, + USB_DIR_IN | USB_TYPE_CLASS | + USB_RECIP_INTERFACE, (type << 8) + id, + inter->desc.bInterfaceNumber, buf, size, + GET_TIMEOUT); +} +//#endif + +#define USB_REQ_SET_REPORT 0x09 + +static int usb_set_report(struct usb_interface *intf, unsigned char type, + unsigned char id, void *buf, int size) +{ + return usb_control_msg(interface_to_usbdev(intf), + usb_sndctrlpipe(interface_to_usbdev(intf), 0), + USB_REQ_SET_REPORT, + USB_TYPE_CLASS | USB_RECIP_INTERFACE, + (type << 8) + id, + intf->cur_altsetting->desc.bInterfaceNumber, buf, + size, 1); +} + +/*---------------------*/ +/* driver registration */ +/*---------------------*/ +/* table of devices that work with this driver */ +static struct usb_device_id iowarrior_ids[] = { + {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40)}, + {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24)}, + {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOWPV1)}, + {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOWPV2)}, + {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW56)}, + {} /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(usb, iowarrior_ids); + +/* + * USB callback handler for reading data + */ +static void iowarrior_callback(struct urb *urb) +{ + struct iowarrior *dev = (struct iowarrior *)urb->context; + int intr_idx; + int read_idx; + int aux_idx; + int offset; + int status; + + switch (urb->status) { + case 0: + /* success */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + return; + default: + goto exit; + } + + spin_lock(&dev->intr_idx_lock); + intr_idx = atomic_read(&dev->intr_idx); + /* aux_idx become previous intr_idx */ + aux_idx = (intr_idx == 0) ? (MAX_INTERRUPT_BUFFER - 1) : (intr_idx - 1); + read_idx = atomic_read(&dev->read_idx); + + /* queue is not empty and it's interface 0 */ + if ((intr_idx != read_idx) + && (dev->interface->cur_altsetting->desc.bInterfaceNumber == 0)) { + /* + 1 for serial number */ + offset = aux_idx * (dev->report_size + 1); + if (!memcmp + (dev->read_queue + offset, urb->transfer_buffer, + dev->report_size)) { + /* equal values on interface 0 will be ignored */ + spin_unlock(&dev->intr_idx_lock); + goto exit; + } + } + + /* aux_idx become next intr_idx */ + aux_idx = (intr_idx == (MAX_INTERRUPT_BUFFER - 1)) ? 0 : (intr_idx + 1); + if (read_idx == aux_idx) { + /* queue full, dropping oldest input */ + read_idx = (++read_idx == MAX_INTERRUPT_BUFFER) ? 0 : read_idx; + atomic_set(&dev->read_idx, read_idx); + atomic_set(&dev->overflow_flag, 1); + } + + /* +1 for serial number */ + offset = intr_idx * (dev->report_size + 1); + memcpy(dev->read_queue + offset, urb->transfer_buffer, + dev->report_size); + *(dev->read_queue + offset + (dev->report_size)) = dev->serial_number++; + + atomic_set(&dev->intr_idx, aux_idx); + spin_unlock(&dev->intr_idx_lock); + /* tell the blocking read about the new data */ + wake_up_interruptible(&dev->read_wait); + +exit: + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status) + dev_err(&dev->interface->dev, "%s - usb_submit_urb failed with result %d", + __FUNCTION__, status); + +} + +/* + * USB Callback handler for write-ops + */ +static void iowarrior_write_callback(struct urb *urb) +{ + struct iowarrior *dev; + dev = (struct iowarrior *)urb->context; + /* sync/async unlink faults aren't errors */ + if (urb->status && + !(urb->status == -ENOENT || + urb->status == -ECONNRESET || urb->status == -ESHUTDOWN)) { + dbg("%s - nonzero write bulk status received: %d", + __func__, urb->status); + } + /* free up our allocated buffer */ + usb_buffer_free(urb->dev, urb->transfer_buffer_length, + urb->transfer_buffer, urb->transfer_dma); + /* tell a waiting writer the interrupt-out-pipe is available again */ + atomic_dec(&dev->write_busy); + wake_up_interruptible(&dev->write_wait); +} + +/** + * iowarrior_delete + */ +static inline void iowarrior_delete(struct iowarrior *dev) +{ + dbg("%s - minor %d", __func__, dev->minor); + kfree(dev->int_in_buffer); + usb_free_urb(dev->int_in_urb); + kfree(dev->read_queue); + kfree(dev); +} + +/*---------------------*/ +/* fops implementation */ +/*---------------------*/ + +static int read_index(struct iowarrior *dev) +{ + int intr_idx, read_idx; + + read_idx = atomic_read(&dev->read_idx); + intr_idx = atomic_read(&dev->intr_idx); + + return (read_idx == intr_idx ? -1 : read_idx); +} + +/** + * iowarrior_read + */ +static ssize_t iowarrior_read(struct file *file, char __user *buffer, + size_t count, loff_t *ppos) +{ + struct iowarrior *dev; + int read_idx; + int offset; + + dev = (struct iowarrior *)file->private_data; + + /* verify that the device wasn't unplugged */ + if (dev == NULL || !dev->present) + return -ENODEV; + + dbg("%s - minor %d, count = %zd", __func__, dev->minor, count); + + /* read count must be packet size (+ time stamp) */ + if ((count != dev->report_size) + && (count != (dev->report_size + 1))) + return -EINVAL; + + /* repeat until no buffer overrun in callback handler occur */ + do { + atomic_set(&dev->overflow_flag, 0); + if ((read_idx = read_index(dev)) == -1) { + /* queue emty */ + if (file->f_flags & O_NONBLOCK) + return -EAGAIN; + else { + //next line will return when there is either new data, or the device is unplugged + int r = wait_event_interruptible(dev->read_wait, + (!dev->present + || (read_idx = + read_index + (dev)) != + -1)); + if (r) { + //we were interrupted by a signal + return -ERESTART; + } + if (!dev->present) { + //The device was unplugged + return -ENODEV; + } + if (read_idx == -1) { + // Can this happen ??? + return 0; + } + } + } + + offset = read_idx * (dev->report_size + 1); + if (copy_to_user(buffer, dev->read_queue + offset, count)) { + return -EFAULT; + } + } while (atomic_read(&dev->overflow_flag)); + + read_idx = ++read_idx == MAX_INTERRUPT_BUFFER ? 0 : read_idx; + atomic_set(&dev->read_idx, read_idx); + return count; +} + +/* + * iowarrior_write + */ +static ssize_t iowarrior_write(struct file *file, + const char __user *user_buffer, + size_t count, loff_t *ppos) +{ + struct iowarrior *dev; + int retval = 0; + char *buf = NULL; /* for IOW24 and IOW56 we need a buffer */ + struct urb *int_out_urb = NULL; + + dev = (struct iowarrior *)file->private_data; + + mutex_lock(&dev->mutex); + /* verify that the device wasn't unplugged */ + if (dev == NULL || !dev->present) { + retval = -ENODEV; + goto exit; + } + dbg("%s - minor %d, count = %zd", __func__, dev->minor, count); + /* if count is 0 we're already done */ + if (count == 0) { + retval = 0; + goto exit; + } + /* We only accept full reports */ + if (count != dev->report_size) { + retval = -EINVAL; + goto exit; + } + switch (dev->product_id) { + case USB_DEVICE_ID_CODEMERCS_IOW24: + case USB_DEVICE_ID_CODEMERCS_IOWPV1: + case USB_DEVICE_ID_CODEMERCS_IOWPV2: + case USB_DEVICE_ID_CODEMERCS_IOW40: + /* IOW24 and IOW40 use a synchronous call */ + buf = kmalloc(8, GFP_KERNEL); /* 8 bytes are enough for both products */ + if (!buf) { + retval = -ENOMEM; + goto exit; + } + if (copy_from_user(buf, user_buffer, count)) { + retval = -EFAULT; + kfree(buf); + goto exit; + } + retval = usb_set_report(dev->interface, 2, 0, buf, count); + kfree(buf); + goto exit; + break; + case USB_DEVICE_ID_CODEMERCS_IOW56: + /* The IOW56 uses asynchronous IO and more urbs */ + if (atomic_read(&dev->write_busy) == MAX_WRITES_IN_FLIGHT) { + /* Wait until we are below the limit for submitted urbs */ + if (file->f_flags & O_NONBLOCK) { + retval = -EAGAIN; + goto exit; + } else { + retval = wait_event_interruptible(dev->write_wait, + (!dev->present || (atomic_read (&dev-> write_busy) < MAX_WRITES_IN_FLIGHT))); + if (retval) { + /* we were interrupted by a signal */ + retval = -ERESTART; + goto exit; + } + if (!dev->present) { + /* The device was unplugged */ + retval = -ENODEV; + goto exit; + } + if (!dev->opened) { + /* We were closed while waiting for an URB */ + retval = -ENODEV; + goto exit; + } + } + } + atomic_inc(&dev->write_busy); + int_out_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!int_out_urb) { + retval = -ENOMEM; + dbg("%s Unable to allocate urb ", __func__); + goto error; + } + buf = usb_buffer_alloc(dev->udev, dev->report_size, + GFP_KERNEL, &int_out_urb->transfer_dma); + if (!buf) { + retval = -ENOMEM; + dbg("%s Unable to allocate buffer ", __func__); + goto error; + } + usb_fill_int_urb(int_out_urb, dev->udev, + usb_sndintpipe(dev->udev, + dev->int_out_endpoint->bEndpointAddress), + buf, dev->report_size, + iowarrior_write_callback, dev, + dev->int_out_endpoint->bInterval); + int_out_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + if (copy_from_user(buf, user_buffer, count)) { + retval = -EFAULT; + goto error; + } + retval = usb_submit_urb(int_out_urb, GFP_KERNEL); + if (retval) { + dbg("%s submit error %d for urb nr.%d", __func__, + retval, atomic_read(&dev->write_busy)); + goto error; + } + /* submit was ok */ + retval = count; + usb_free_urb(int_out_urb); + goto exit; + break; + default: + /* what do we have here ? An unsupported Product-ID ? */ + dev_err(&dev->interface->dev, "%s - not supported for product=0x%x", + __FUNCTION__, dev->product_id); + retval = -EFAULT; + goto exit; + break; + } +error: + usb_buffer_free(dev->udev, dev->report_size, buf, + int_out_urb->transfer_dma); + usb_free_urb(int_out_urb); + atomic_dec(&dev->write_busy); + wake_up_interruptible(&dev->write_wait); +exit: + mutex_unlock(&dev->mutex); + return retval; +} + +/** + * iowarrior_ioctl + */ +static int iowarrior_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct iowarrior *dev = NULL; + __u8 *buffer; + __u8 __user *user_buffer; + int retval; + int io_res; /* checks for bytes read/written and copy_to/from_user results */ + + dev = (struct iowarrior *)file->private_data; + if (dev == NULL) { + return -ENODEV; + } + + buffer = kzalloc(dev->report_size, GFP_KERNEL); + if (!buffer) + return -ENOMEM; + + /* lock this object */ + mutex_lock(&dev->mutex); + + /* verify that the device wasn't unplugged */ + if (!dev->present) { + mutex_unlock(&dev->mutex); + return -ENODEV; + } + + dbg("%s - minor %d, cmd 0x%.4x, arg %ld", __func__, dev->minor, cmd, + arg); + + retval = 0; + io_res = 0; + switch (cmd) { + case IOW_WRITE: + if (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW24 || + dev->product_id == USB_DEVICE_ID_CODEMERCS_IOWPV1 || + dev->product_id == USB_DEVICE_ID_CODEMERCS_IOWPV2 || + dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW40) { + user_buffer = (__u8 __user *)arg; + io_res = copy_from_user(buffer, user_buffer, + dev->report_size); + if (io_res) { + retval = -EFAULT; + } else { + io_res = usb_set_report(dev->interface, 2, 0, + buffer, + dev->report_size); + if (io_res < 0) + retval = io_res; + } + } else { + retval = -EINVAL; + dev_err(&dev->interface->dev, + "ioctl 'IOW_WRITE' is not supported for product=0x%x.", + dev->product_id); + } + break; + case IOW_READ: + user_buffer = (__u8 __user *)arg; + io_res = usb_get_report(dev->udev, + dev->interface->cur_altsetting, 1, 0, + buffer, dev->report_size); + if (io_res < 0) + retval = io_res; + else { + io_res = copy_to_user(user_buffer, buffer, dev->report_size); + if (io_res < 0) + retval = -EFAULT; + } + break; + case IOW_GETINFO: + { + /* Report available information for the device */ + struct iowarrior_info info; + /* needed for power consumption */ + struct usb_config_descriptor *cfg_descriptor = &dev->udev->actconfig->desc; + + /* directly from the descriptor */ + info.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); + info.product = dev->product_id; + info.revision = le16_to_cpu(dev->udev->descriptor.bcdDevice); + + /* 0==UNKNOWN, 1==LOW(usb1.1) ,2=FULL(usb1.1), 3=HIGH(usb2.0) */ + info.speed = le16_to_cpu(dev->udev->speed); + info.if_num = dev->interface->cur_altsetting->desc.bInterfaceNumber; + info.report_size = dev->report_size; + + /* serial number string has been read earlier 8 chars or empty string */ + memcpy(info.serial, dev->chip_serial, + sizeof(dev->chip_serial)); + if (cfg_descriptor == NULL) { + info.power = -1; /* no information available */ + } else { + /* the MaxPower is stored in units of 2mA to make it fit into a byte-value */ + info.power = cfg_descriptor->bMaxPower * 2; + } + io_res = copy_to_user((struct iowarrior_info __user *)arg, &info, + sizeof(struct iowarrior_info)); + if (io_res < 0) + retval = -EFAULT; + break; + } + default: + /* return that we did not understand this ioctl call */ + retval = -ENOTTY; + break; + } + + /* unlock the device */ + mutex_unlock(&dev->mutex); + return retval; +} + +/** + * iowarrior_open + */ +static int iowarrior_open(struct inode *inode, struct file *file) +{ + struct iowarrior *dev = NULL; + struct usb_interface *interface; + int subminor; + int retval = 0; + + dbg("%s", __func__); + + subminor = iminor(inode); + + /* prevent disconnects */ + down(&disconnect_sem); + + interface = usb_find_interface(&iowarrior_driver, subminor); + if (!interface) { + err("%s - error, can't find device for minor %d", __FUNCTION__, + subminor); + retval = -ENODEV; + goto out; + } + + dev = usb_get_intfdata(interface); + if (!dev) { + retval = -ENODEV; + goto out; + } + + /* Only one process can open each device, no sharing. */ + if (dev->opened) { + retval = -EBUSY; + goto out; + } + + /* setup interrupt handler for receiving values */ + if ((retval = usb_submit_urb(dev->int_in_urb, GFP_KERNEL)) < 0) { + dev_err(&interface->dev, "Error %d while submitting URB\n", retval); + retval = -EFAULT; + goto out; + } + /* increment our usage count for the driver */ + ++dev->opened; + /* save our object in the file's private structure */ + file->private_data = dev; + retval = 0; + +out: + up(&disconnect_sem); + return retval; +} + +/** + * iowarrior_release + */ +static int iowarrior_release(struct inode *inode, struct file *file) +{ + struct iowarrior *dev; + int retval = 0; + + dev = (struct iowarrior *)file->private_data; + if (dev == NULL) { + return -ENODEV; + } + + dbg("%s - minor %d", __func__, dev->minor); + + /* lock our device */ + mutex_lock(&dev->mutex); + + if (dev->opened <= 0) { + retval = -ENODEV; /* close called more than once */ + mutex_unlock(&dev->mutex); + } else { + dev->opened = 0; /* we're closeing now */ + retval = 0; + if (dev->present) { + /* + The device is still connected so we only shutdown + pending read-/write-ops. + */ + usb_kill_urb(dev->int_in_urb); + wake_up_interruptible(&dev->read_wait); + wake_up_interruptible(&dev->write_wait); + mutex_unlock(&dev->mutex); + } else { + /* The device was unplugged, cleanup resources */ + mutex_unlock(&dev->mutex); + iowarrior_delete(dev); + } + } + return retval; +} + +static unsigned iowarrior_poll(struct file *file, poll_table * wait) +{ + struct iowarrior *dev = file->private_data; + unsigned int mask = 0; + + if (!dev->present) + return POLLERR | POLLHUP; + + poll_wait(file, &dev->read_wait, wait); + poll_wait(file, &dev->write_wait, wait); + + if (!dev->present) + return POLLERR | POLLHUP; + + if (read_index(dev) != -1) + mask |= POLLIN | POLLRDNORM; + + if (atomic_read(&dev->write_busy) < MAX_WRITES_IN_FLIGHT) + mask |= POLLOUT | POLLWRNORM; + return mask; +} + +/* + * File operations needed when we register this driver. + * This assumes that this driver NEEDS file operations, + * of course, which means that the driver is expected + * to have a node in the /dev directory. If the USB + * device were for a network interface then the driver + * would use "struct net_driver" instead, and a serial + * device would use "struct tty_driver". + */ +static struct file_operations iowarrior_fops = { + .owner = THIS_MODULE, + .write = iowarrior_write, + .read = iowarrior_read, + .ioctl = iowarrior_ioctl, + .open = iowarrior_open, + .release = iowarrior_release, + .poll = iowarrior_poll, +}; + +/* + * usb class driver info in order to get a minor number from the usb core, + * and to have the device registered with devfs and the driver core + */ +static struct usb_class_driver iowarrior_class = { + .name = "iowarrior%d", + .fops = &iowarrior_fops, + .minor_base = IOWARRIOR_MINOR_BASE, +}; + +/*---------------------------------*/ +/* probe and disconnect functions */ +/*---------------------------------*/ +/** + * iowarrior_probe + * + * Called by the usb core when a new device is connected that it thinks + * this driver might be interested in. + */ +static int iowarrior_probe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(interface); + struct iowarrior *dev = NULL; + struct usb_host_interface *iface_desc; + struct usb_endpoint_descriptor *endpoint; + int i; + int retval = -ENOMEM; + int idele = 0; + + /* allocate memory for our device state and intialize it */ + dev = kzalloc(sizeof(struct iowarrior), GFP_KERNEL); + if (dev == NULL) { + dev_err(&interface->dev, "Out of memory"); + return retval; + } + + mutex_init(&dev->mutex); + + atomic_set(&dev->intr_idx, 0); + atomic_set(&dev->read_idx, 0); + spin_lock_init(&dev->intr_idx_lock); + atomic_set(&dev->overflow_flag, 0); + init_waitqueue_head(&dev->read_wait); + atomic_set(&dev->write_busy, 0); + init_waitqueue_head(&dev->write_wait); + + dev->udev = udev; + dev->interface = interface; + + iface_desc = interface->cur_altsetting; + dev->product_id = le16_to_cpu(udev->descriptor.idProduct); + + /* set up the endpoint information */ + for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { + endpoint = &iface_desc->endpoint[i].desc; + + if (usb_endpoint_is_int_in(endpoint)) + dev->int_in_endpoint = endpoint; + if (usb_endpoint_is_int_out(endpoint)) + /* this one will match for the IOWarrior56 only */ + dev->int_out_endpoint = endpoint; + } + /* we have to check the report_size often, so remember it in the endianess suitable for our machine */ + dev->report_size = le16_to_cpu(dev->int_in_endpoint->wMaxPacketSize); + if ((dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) && + (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56)) + /* IOWarrior56 has wMaxPacketSize different from report size */ + dev->report_size = 7; + + /* create the urb and buffer for reading */ + dev->int_in_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->int_in_urb) { + dev_err(&interface->dev, "Couldn't allocate interrupt_in_urb\n"); + goto error; + } + dev->int_in_buffer = kmalloc(dev->report_size, GFP_KERNEL); + if (!dev->int_in_buffer) { + dev_err(&interface->dev, "Couldn't allocate int_in_buffer\n"); + goto error; + } + usb_fill_int_urb(dev->int_in_urb, dev->udev, + usb_rcvintpipe(dev->udev, + dev->int_in_endpoint->bEndpointAddress), + dev->int_in_buffer, dev->report_size, + iowarrior_callback, dev, + dev->int_in_endpoint->bInterval); + /* create an internal buffer for interrupt data from the device */ + dev->read_queue = + kmalloc(((dev->report_size + 1) * MAX_INTERRUPT_BUFFER), + GFP_KERNEL); + if (!dev->read_queue) { + dev_err(&interface->dev, "Couldn't allocate read_queue\n"); + goto error; + } + /* Get the serial-number of the chip */ + memset(dev->chip_serial, 0x00, sizeof(dev->chip_serial)); + usb_string(udev, udev->descriptor.iSerialNumber, dev->chip_serial, + sizeof(dev->chip_serial)); + if (strlen(dev->chip_serial) != 8) + memset(dev->chip_serial, 0x00, sizeof(dev->chip_serial)); + + /* Set the idle timeout to 0, if this is interface 0 */ + if (dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) { + idele = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x0A, + USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, + 0, NULL, 0, USB_CTRL_SET_TIMEOUT); + dbg("idele = %d", idele); + } + /* allow device read and ioctl */ + dev->present = 1; + + /* we can register the device now, as it is ready */ + usb_set_intfdata(interface, dev); + + retval = usb_register_dev(interface, &iowarrior_class); + if (retval) { + /* something prevented us from registering this driver */ + dev_err(&interface->dev, "Not able to get a minor for this device.\n"); + usb_set_intfdata(interface, NULL); + goto error; + } + + dev->minor = interface->minor; + + /* let the user know what node this device is now attached to */ + dev_info(&interface->dev, "IOWarrior product=0x%x, serial=%s interface=%d " + "now attached to iowarrior%d\n", dev->product_id, dev->chip_serial, + iface_desc->desc.bInterfaceNumber, dev->minor - IOWARRIOR_MINOR_BASE); + return retval; + +error: + iowarrior_delete(dev); + return retval; +} + +/** + * iowarrior_disconnect + * + * Called by the usb core when the device is removed from the system. + */ +static void iowarrior_disconnect(struct usb_interface *interface) +{ + struct iowarrior *dev; + int minor; + + /* prevent races with open() */ + down(&disconnect_sem); + + dev = usb_get_intfdata(interface); + usb_set_intfdata(interface, NULL); + + mutex_lock(&dev->mutex); + + minor = dev->minor; + + /* give back our minor */ + usb_deregister_dev(interface, &iowarrior_class); + + /* prevent device read, write and ioctl */ + dev->present = 0; + + mutex_unlock(&dev->mutex); + + if (dev->opened) { + /* There is a process that holds a filedescriptor to the device , + so we only shutdown read-/write-ops going on. + Deleting the device is postponed until close() was called. + */ + usb_kill_urb(dev->int_in_urb); + wake_up_interruptible(&dev->read_wait); + wake_up_interruptible(&dev->write_wait); + } else { + /* no process is using the device, cleanup now */ + iowarrior_delete(dev); + } + up(&disconnect_sem); + + dev_info(&interface->dev, "I/O-Warror #%d now disconnected\n", + minor - IOWARRIOR_MINOR_BASE); +} + +/* usb specific object needed to register this driver with the usb subsystem */ +static struct usb_driver iowarrior_driver = { + .name = "iowarrior", + .probe = iowarrior_probe, + .disconnect = iowarrior_disconnect, + .id_table = iowarrior_ids, +}; + +static int __init iowarrior_init(void) +{ + return usb_register(&iowarrior_driver); +} + +static void __exit iowarrior_exit(void) +{ + usb_deregister(&iowarrior_driver); +} + +module_init(iowarrior_init); +module_exit(iowarrior_exit); diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index c01dfe60367..b2bedd974ac 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1165,7 +1165,7 @@ err_dev: return rc; } -void __exit mon_bin_exit(void) +void mon_bin_exit(void) { cdev_del(&mon_bin_cdev); unregister_chrdev_region(mon_bin_dev0, MON_BIN_MAX_MINOR); diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index d38a1279d9d..494ee3b9a22 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -520,7 +520,7 @@ int __init mon_text_init(void) return 0; } -void __exit mon_text_exit(void) +void mon_text_exit(void) { debugfs_remove(mon_dir); } diff --git a/drivers/usb/mon/usb_mon.h b/drivers/usb/mon/usb_mon.h index 4f949ce8a7f..efdfd8993d9 100644 --- a/drivers/usb/mon/usb_mon.h +++ b/drivers/usb/mon/usb_mon.h @@ -57,9 +57,9 @@ void mon_text_del(struct mon_bus *mbus); // void mon_bin_add(struct mon_bus *); int __init mon_text_init(void); -void __exit mon_text_exit(void); +void mon_text_exit(void); int __init mon_bin_init(void); -void __exit mon_bin_exit(void); +void mon_bin_exit(void); /* * DMA interface. diff --git a/drivers/usb/net/Kconfig b/drivers/usb/net/Kconfig index 0f3d7dbb537..3de564b2314 100644 --- a/drivers/usb/net/Kconfig +++ b/drivers/usb/net/Kconfig @@ -186,6 +186,15 @@ config USB_NET_CDCETHER IEEE 802 "local assignment" bit is set in the address, a "usbX" name is used instead. +config USB_NET_DM9601 + tristate "Davicom DM9601 based USB 1.1 10/100 ethernet devices" + depends on USB_USBNET + select CRC32 + select USB_USBNET_MII + help + This option adds support for Davicom DM9601 based USB 1.1 + 10/100 Ethernet adapters. + config USB_NET_GL620A tristate "GeneSys GL620USB-A based cables" depends on USB_USBNET diff --git a/drivers/usb/net/Makefile b/drivers/usb/net/Makefile index 7b51964de17..595a539f838 100644 --- a/drivers/usb/net/Makefile +++ b/drivers/usb/net/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_USB_PEGASUS) += pegasus.o obj-$(CONFIG_USB_RTL8150) += rtl8150.o obj-$(CONFIG_USB_NET_AX8817X) += asix.o obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o +obj-$(CONFIG_USB_NET_DM9601) += dm9601.o obj-$(CONFIG_USB_NET_GL620A) += gl620a.o obj-$(CONFIG_USB_NET_NET1080) += net1080.o obj-$(CONFIG_USB_NET_PLUSB) += plusb.o diff --git a/drivers/usb/net/asix.c b/drivers/usb/net/asix.c index 7ef2e4b5e39..5808ea08245 100644 --- a/drivers/usb/net/asix.c +++ b/drivers/usb/net/asix.c @@ -1395,9 +1395,9 @@ static const struct usb_device_id products [] = { USB_DEVICE (0x07b8, 0x420a), .driver_info = (unsigned long) &hawking_uf200_info, }, { - // Billionton Systems, USB2AR - USB_DEVICE (0x08dd, 0x90ff), - .driver_info = (unsigned long) &ax8817x_info, + // Billionton Systems, USB2AR + USB_DEVICE (0x08dd, 0x90ff), + .driver_info = (unsigned long) &ax8817x_info, }, { // ATEN UC210T USB_DEVICE (0x0557, 0x2009), @@ -1423,9 +1423,13 @@ static const struct usb_device_id products [] = { USB_DEVICE (0x1631, 0x6200), .driver_info = (unsigned long) &ax8817x_info, }, { + // JVC MP-PRX1 Port Replicator + USB_DEVICE (0x04f1, 0x3008), + .driver_info = (unsigned long) &ax8817x_info, +}, { // ASIX AX88772 10/100 - USB_DEVICE (0x0b95, 0x7720), - .driver_info = (unsigned long) &ax88772_info, + USB_DEVICE (0x0b95, 0x7720), + .driver_info = (unsigned long) &ax88772_info, }, { // ASIX AX88178 10/100/1000 USB_DEVICE (0x0b95, 0x1780), diff --git a/drivers/usb/net/dm9601.c b/drivers/usb/net/dm9601.c new file mode 100644 index 00000000000..4a932e1cd93 --- /dev/null +++ b/drivers/usb/net/dm9601.c @@ -0,0 +1,606 @@ +/* + * Davicom DM9601 USB 1.1 10/100Mbps ethernet devices + * + * Peter Korsgaard <jacmet@sunsite.dk> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +//#define DEBUG + +#include <linux/module.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/usb.h> +#include <linux/crc32.h> + +#include "usbnet.h" + +/* datasheet: + http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-P01-930914.pdf +*/ + +/* control requests */ +#define DM_READ_REGS 0x00 +#define DM_WRITE_REGS 0x01 +#define DM_READ_MEMS 0x02 +#define DM_WRITE_REG 0x03 +#define DM_WRITE_MEMS 0x05 +#define DM_WRITE_MEM 0x07 + +/* registers */ +#define DM_NET_CTRL 0x00 +#define DM_RX_CTRL 0x05 +#define DM_SHARED_CTRL 0x0b +#define DM_SHARED_ADDR 0x0c +#define DM_SHARED_DATA 0x0d /* low + high */ +#define DM_PHY_ADDR 0x10 /* 6 bytes */ +#define DM_MCAST_ADDR 0x16 /* 8 bytes */ +#define DM_GPR_CTRL 0x1e +#define DM_GPR_DATA 0x1f + +#define DM_MAX_MCAST 64 +#define DM_MCAST_SIZE 8 +#define DM_EEPROM_LEN 256 +#define DM_TX_OVERHEAD 2 /* 2 byte header */ +#define DM_RX_OVERHEAD 7 /* 3 byte header + 4 byte crc tail */ +#define DM_TIMEOUT 1000 + + +static int dm_read(struct usbnet *dev, u8 reg, u16 length, void *data) +{ + devdbg(dev, "dm_read() reg=0x%02x length=%d", reg, length); + return usb_control_msg(dev->udev, + usb_rcvctrlpipe(dev->udev, 0), + DM_READ_REGS, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, reg, data, length, USB_CTRL_SET_TIMEOUT); +} + +static int dm_read_reg(struct usbnet *dev, u8 reg, u8 *value) +{ + return dm_read(dev, reg, 1, value); +} + +static int dm_write(struct usbnet *dev, u8 reg, u16 length, void *data) +{ + devdbg(dev, "dm_write() reg=0x%02x, length=%d", reg, length); + return usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + DM_WRITE_REGS, + USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE, + 0, reg, data, length, USB_CTRL_SET_TIMEOUT); +} + +static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value) +{ + devdbg(dev, "dm_write_reg() reg=0x%02x, value=0x%02x", reg, value); + return usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + DM_WRITE_REG, + USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE, + value, reg, 0, 0, USB_CTRL_SET_TIMEOUT); +} + +static void dm_write_async_callback(struct urb *urb) +{ + struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context; + + if (urb->status < 0) + printk(KERN_DEBUG "dm_write_async_callback() failed with %d", + urb->status); + + kfree(req); + usb_free_urb(urb); +} + +static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data) +{ + struct usb_ctrlrequest *req; + struct urb *urb; + int status; + + devdbg(dev, "dm_write_async() reg=0x%02x length=%d", reg, length); + + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) { + deverr(dev, "Error allocating URB in dm_write_async!"); + return; + } + + req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC); + if (!req) { + deverr(dev, "Failed to allocate memory for control request"); + usb_free_urb(urb); + return; + } + + req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; + req->bRequest = DM_WRITE_REGS; + req->wValue = 0; + req->wIndex = cpu_to_le16(reg); + req->wLength = cpu_to_le16(length); + + usb_fill_control_urb(urb, dev->udev, + usb_sndctrlpipe(dev->udev, 0), + (void *)req, data, length, + dm_write_async_callback, req); + + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status < 0) { + deverr(dev, "Error submitting the control message: status=%d", + status); + kfree(req); + usb_free_urb(urb); + } +} + +static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value) +{ + struct usb_ctrlrequest *req; + struct urb *urb; + int status; + + devdbg(dev, "dm_write_reg_async() reg=0x%02x value=0x%02x", + reg, value); + + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) { + deverr(dev, "Error allocating URB in dm_write_async!"); + return; + } + + req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC); + if (!req) { + deverr(dev, "Failed to allocate memory for control request"); + usb_free_urb(urb); + return; + } + + req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; + req->bRequest = DM_WRITE_REG; + req->wValue = cpu_to_le16(value); + req->wIndex = cpu_to_le16(reg); + req->wLength = 0; + + usb_fill_control_urb(urb, dev->udev, + usb_sndctrlpipe(dev->udev, 0), + (void *)req, 0, 0, dm_write_async_callback, req); + + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status < 0) { + deverr(dev, "Error submitting the control message: status=%d", + status); + kfree(req); + usb_free_urb(urb); + } +} + +static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, u16 *value) +{ + int ret, i; + + mutex_lock(&dev->phy_mutex); + + dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg); + dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0xc : 0x4); + + for (i = 0; i < DM_TIMEOUT; i++) { + u8 tmp; + + udelay(1); + ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp); + if (ret < 0) + goto out; + + /* ready */ + if ((tmp & 1) == 0) + break; + } + + if (i == DM_TIMEOUT) { + deverr(dev, "%s read timed out!", phy ? "phy" : "eeprom"); + ret = -EIO; + goto out; + } + + dm_write_reg(dev, DM_SHARED_CTRL, 0x0); + ret = dm_read(dev, DM_SHARED_DATA, 2, value); + + devdbg(dev, "read shared %d 0x%02x returned 0x%04x, %d", + phy, reg, *value, ret); + + out: + mutex_unlock(&dev->phy_mutex); + return ret; +} + +static int dm_write_shared_word(struct usbnet *dev, int phy, u8 reg, u16 value) +{ + int ret, i; + + mutex_lock(&dev->phy_mutex); + + ret = dm_write(dev, DM_SHARED_DATA, 2, &value); + if (ret < 0) + goto out; + + dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg); + dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x1c : 0x14); + + for (i = 0; i < DM_TIMEOUT; i++) { + u8 tmp; + + udelay(1); + ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp); + if (ret < 0) + goto out; + + /* ready */ + if ((tmp & 1) == 0) + break; + } + + if (i == DM_TIMEOUT) { + deverr(dev, "%s write timed out!", phy ? "phy" : "eeprom"); + ret = -EIO; + goto out; + } + + dm_write_reg(dev, DM_SHARED_CTRL, 0x0); + +out: + mutex_unlock(&dev->phy_mutex); + return ret; +} + +static int dm_read_eeprom_word(struct usbnet *dev, u8 offset, void *value) +{ + return dm_read_shared_word(dev, 0, offset, value); +} + + + +static int dm9601_get_eeprom_len(struct net_device *dev) +{ + return DM_EEPROM_LEN; +} + +static int dm9601_get_eeprom(struct net_device *net, + struct ethtool_eeprom *eeprom, u8 * data) +{ + struct usbnet *dev = netdev_priv(net); + u16 *ebuf = (u16 *) data; + int i; + + /* access is 16bit */ + if ((eeprom->offset % 2) || (eeprom->len % 2)) + return -EINVAL; + + for (i = 0; i < eeprom->len / 2; i++) { + if (dm_read_eeprom_word(dev, eeprom->offset / 2 + i, + &ebuf[i]) < 0) + return -EINVAL; + } + return 0; +} + +static int dm9601_mdio_read(struct net_device *netdev, int phy_id, int loc) +{ + struct usbnet *dev = netdev_priv(netdev); + + u16 res; + + if (phy_id) { + devdbg(dev, "Only internal phy supported"); + return 0; + } + + dm_read_shared_word(dev, 1, loc, &res); + + devdbg(dev, + "dm9601_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x", + phy_id, loc, le16_to_cpu(res)); + + return le16_to_cpu(res); +} + +static void dm9601_mdio_write(struct net_device *netdev, int phy_id, int loc, + int val) +{ + struct usbnet *dev = netdev_priv(netdev); + u16 res = cpu_to_le16(val); + + if (phy_id) { + devdbg(dev, "Only internal phy supported"); + return; + } + + devdbg(dev,"dm9601_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x", + phy_id, loc, val); + + dm_write_shared_word(dev, 1, loc, res); +} + +static void dm9601_get_drvinfo(struct net_device *net, + struct ethtool_drvinfo *info) +{ + /* Inherit standard device info */ + usbnet_get_drvinfo(net, info); + info->eedump_len = DM_EEPROM_LEN; +} + +static u32 dm9601_get_link(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + + return mii_link_ok(&dev->mii); +} + +static int dm9601_ioctl(struct net_device *net, struct ifreq *rq, int cmd) +{ + struct usbnet *dev = netdev_priv(net); + + return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); +} + +static struct ethtool_ops dm9601_ethtool_ops = { + .get_drvinfo = dm9601_get_drvinfo, + .get_link = dm9601_get_link, + .get_msglevel = usbnet_get_msglevel, + .set_msglevel = usbnet_set_msglevel, + .get_eeprom_len = dm9601_get_eeprom_len, + .get_eeprom = dm9601_get_eeprom, + .get_settings = usbnet_get_settings, + .set_settings = usbnet_set_settings, + .nway_reset = usbnet_nway_reset, +}; + +static void dm9601_set_multicast(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + /* We use the 20 byte dev->data for our 8 byte filter buffer + * to avoid allocating memory that is tricky to free later */ + u8 *hashes = (u8 *) & dev->data; + u8 rx_ctl = 0x01; + + memset(hashes, 0x00, DM_MCAST_SIZE); + hashes[DM_MCAST_SIZE - 1] |= 0x80; /* broadcast address */ + + if (net->flags & IFF_PROMISC) { + rx_ctl |= 0x02; + } else if (net->flags & IFF_ALLMULTI || net->mc_count > DM_MAX_MCAST) { + rx_ctl |= 0x04; + } else if (net->mc_count) { + struct dev_mc_list *mc_list = net->mc_list; + int i; + + for (i = 0; i < net->mc_count; i++) { + u32 crc = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26; + hashes[crc >> 3] |= 1 << (crc & 0x7); + } + } + + dm_write_async(dev, DM_MCAST_ADDR, DM_MCAST_SIZE, hashes); + dm_write_reg_async(dev, DM_RX_CTRL, rx_ctl); +} + +static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf) +{ + int ret; + + ret = usbnet_get_endpoints(dev, intf); + if (ret) + goto out; + + dev->net->do_ioctl = dm9601_ioctl; + dev->net->set_multicast_list = dm9601_set_multicast; + dev->net->ethtool_ops = &dm9601_ethtool_ops; + dev->net->hard_header_len += DM_TX_OVERHEAD; + dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; + dev->rx_urb_size = dev->net->mtu + DM_RX_OVERHEAD; + + dev->mii.dev = dev->net; + dev->mii.mdio_read = dm9601_mdio_read; + dev->mii.mdio_write = dm9601_mdio_write; + dev->mii.phy_id_mask = 0x1f; + dev->mii.reg_num_mask = 0x1f; + + /* reset */ + ret = dm_write_reg(dev, DM_NET_CTRL, 1); + udelay(20); + + /* read MAC */ + ret = dm_read(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr); + if (ret < 0) { + printk(KERN_ERR "Error reading MAC address\n"); + ret = -ENODEV; + goto out; + } + + + /* power up phy */ + dm_write_reg(dev, DM_GPR_CTRL, 1); + dm_write_reg(dev, DM_GPR_DATA, 0); + + /* receive broadcast packets */ + dm9601_set_multicast(dev->net); + + dm9601_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); + dm9601_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, + ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); + mii_nway_restart(&dev->mii); + +out: + return ret; +} + +static int dm9601_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + u8 status; + int len; + + /* format: + b0: rx status + b1: packet length (incl crc) low + b2: packet length (incl crc) high + b3..n-4: packet data + bn-3..bn: ethernet crc + */ + + if (unlikely(skb->len < DM_RX_OVERHEAD)) { + dev_err(&dev->udev->dev, "unexpected tiny rx frame\n"); + return 0; + } + + status = skb->data[0]; + len = (skb->data[1] | (skb->data[2] << 8)) - 4; + + if (unlikely(status & 0xbf)) { + if (status & 0x01) dev->stats.rx_fifo_errors++; + if (status & 0x02) dev->stats.rx_crc_errors++; + if (status & 0x04) dev->stats.rx_frame_errors++; + if (status & 0x20) dev->stats.rx_missed_errors++; + if (status & 0x90) dev->stats.rx_length_errors++; + return 0; + } + + skb_pull(skb, 3); + skb_trim(skb, len); + + return 1; +} + +static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, + gfp_t flags) +{ + int len; + + /* format: + b0: packet length low + b1: packet length high + b3..n: packet data + */ + + if (skb_headroom(skb) < DM_TX_OVERHEAD) { + struct sk_buff *skb2; + + skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags); + dev_kfree_skb_any(skb); + skb = skb2; + if (!skb) + return NULL; + } + + __skb_push(skb, DM_TX_OVERHEAD); + + len = skb->len; + /* usbnet adds padding if length is a multiple of packet size + if so, adjust length value in header */ + if ((len % dev->maxpacket) == 0) + len++; + + skb->data[0] = len; + skb->data[1] = len >> 8; + + return skb; +} + +static void dm9601_status(struct usbnet *dev, struct urb *urb) +{ + int link; + u8 *buf; + + /* format: + b0: net status + b1: tx status 1 + b2: tx status 2 + b3: rx status + b4: rx overflow + b5: rx count + b6: tx count + b7: gpr + */ + + if (urb->actual_length < 8) + return; + + buf = urb->transfer_buffer; + + link = !!(buf[0] & 0x40); + if (netif_carrier_ok(dev->net) != link) { + if (link) { + netif_carrier_on(dev->net); + usbnet_defer_kevent (dev, EVENT_LINK_RESET); + } + else + netif_carrier_off(dev->net); + devdbg(dev, "Link Status is: %d", link); + } +} + +static int dm9601_link_reset(struct usbnet *dev) +{ + struct ethtool_cmd ecmd; + + mii_check_media(&dev->mii, 1, 1); + mii_ethtool_gset(&dev->mii, &ecmd); + + devdbg(dev, "link_reset() speed: %d duplex: %d", + ecmd.speed, ecmd.duplex); + + return 0; +} + +static const struct driver_info dm9601_info = { + .description = "Davicom DM9601 USB Ethernet", + .flags = FLAG_ETHER, + .bind = dm9601_bind, + .rx_fixup = dm9601_rx_fixup, + .tx_fixup = dm9601_tx_fixup, + .status = dm9601_status, + .link_reset = dm9601_link_reset, + .reset = dm9601_link_reset, +}; + +static const struct usb_device_id products[] = { + { + USB_DEVICE(0x0a46, 0x9601), /* Davicom USB-100 */ + .driver_info = (unsigned long)&dm9601_info, + }, + {}, // END +}; + +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver dm9601_driver = { + .name = "dm9601", + .id_table = products, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, + .suspend = usbnet_suspend, + .resume = usbnet_resume, +}; + +static int __init dm9601_init(void) +{ + return usb_register(&dm9601_driver); +} + +static void __exit dm9601_exit(void) +{ + usb_deregister(&dm9601_driver); +} + +module_init(dm9601_init); +module_exit(dm9601_exit); + +MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>"); +MODULE_DESCRIPTION("Davicom DM9601 USB 1.1 ethernet devices"); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 4695952b647..c525b42dadd 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -513,6 +513,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) }, { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) }, + { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index 7eff1c03ba8..1bdda935f7d 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -491,6 +491,12 @@ #define FTDI_TACTRIX_OPENPORT_13S_PID 0xCC49 /* OpenPort 1.3 Subaru */ #define FTDI_TACTRIX_OPENPORT_13U_PID 0xCC4A /* OpenPort 1.3 Universal */ +/* + * Telldus Technologies + */ +#define TELLDUS_VID 0x1781 /* Vendor ID */ +#define TELLDUS_TELLSTICK_PID 0x0C30 /* RF control dongle 433 MHz using FT232RL */ + /* Commands */ #define FTDI_SIO_RESET 0 /* Reset the port */ #define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 9963a8b7584..db92a7fb1f7 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -67,50 +67,95 @@ static int option_tiocmset(struct usb_serial_port *port, struct file *file, static int option_send_setup(struct usb_serial_port *port); /* Vendor and product IDs */ -#define OPTION_VENDOR_ID 0x0AF0 -#define HUAWEI_VENDOR_ID 0x12D1 -#define NOVATELWIRELESS_VENDOR_ID 0x1410 -#define ANYDATA_VENDOR_ID 0x16d5 - -#define OPTION_PRODUCT_OLD 0x5000 -#define OPTION_PRODUCT_FUSION 0x6000 -#define OPTION_PRODUCT_FUSION2 0x6300 -#define OPTION_PRODUCT_COBRA 0x6500 -#define OPTION_PRODUCT_COBRA2 0x6600 -#define OPTION_PRODUCT_GTMAX36 0x6701 -#define HUAWEI_PRODUCT_E600 0x1001 -#define HUAWEI_PRODUCT_E220 0x1003 -#define NOVATELWIRELESS_PRODUCT_U740 0x1400 -#define ANYDATA_PRODUCT_ID 0x6501 +#define OPTION_VENDOR_ID 0x0AF0 +#define OPTION_PRODUCT_COLT 0x5000 +#define OPTION_PRODUCT_RICOLA 0x6000 +#define OPTION_PRODUCT_RICOLA_LIGHT 0x6100 +#define OPTION_PRODUCT_RICOLA_QUAD 0x6200 +#define OPTION_PRODUCT_RICOLA_QUAD_LIGHT 0x6300 +#define OPTION_PRODUCT_RICOLA_NDIS 0x6050 +#define OPTION_PRODUCT_RICOLA_NDIS_LIGHT 0x6150 +#define OPTION_PRODUCT_RICOLA_NDIS_QUAD 0x6250 +#define OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT 0x6350 +#define OPTION_PRODUCT_COBRA 0x6500 +#define OPTION_PRODUCT_COBRA_BUS 0x6501 +#define OPTION_PRODUCT_VIPER 0x6600 +#define OPTION_PRODUCT_VIPER_BUS 0x6601 +#define OPTION_PRODUCT_GT_MAX_READY 0x6701 +#define OPTION_PRODUCT_GT_MAX 0x6711 +#define OPTION_PRODUCT_FUJI_MODEM_LIGHT 0x6721 +#define OPTION_PRODUCT_FUJI_MODEM_GT 0x6741 +#define OPTION_PRODUCT_FUJI_MODEM_EX 0x6761 +#define OPTION_PRODUCT_FUJI_NETWORK_LIGHT 0x6731 +#define OPTION_PRODUCT_FUJI_NETWORK_GT 0x6751 +#define OPTION_PRODUCT_FUJI_NETWORK_EX 0x6771 +#define OPTION_PRODUCT_KOI_MODEM 0x6800 +#define OPTION_PRODUCT_KOI_NETWORK 0x6811 +#define OPTION_PRODUCT_SCORPION_MODEM 0x6901 +#define OPTION_PRODUCT_SCORPION_NETWORK 0x6911 +#define OPTION_PRODUCT_ETNA_MODEM 0x7001 +#define OPTION_PRODUCT_ETNA_NETWORK 0x7011 +#define OPTION_PRODUCT_ETNA_MODEM_LITE 0x7021 +#define OPTION_PRODUCT_ETNA_MODEM_GT 0x7041 +#define OPTION_PRODUCT_ETNA_MODEM_EX 0x7061 +#define OPTION_PRODUCT_ETNA_NETWORK_LITE 0x7031 +#define OPTION_PRODUCT_ETNA_NETWORK_GT 0x7051 +#define OPTION_PRODUCT_ETNA_NETWORK_EX 0x7071 +#define OPTION_PRODUCT_ETNA_KOI_MODEM 0x7100 +#define OPTION_PRODUCT_ETNA_KOI_NETWORK 0x7111 + +#define HUAWEI_VENDOR_ID 0x12D1 +#define HUAWEI_PRODUCT_E600 0x1001 +#define HUAWEI_PRODUCT_E220 0x1003 + +#define NOVATELWIRELESS_VENDOR_ID 0x1410 +#define NOVATELWIRELESS_PRODUCT_U740 0x1400 + +#define ANYDATA_VENDOR_ID 0x16d5 +#define ANYDATA_PRODUCT_ID 0x6501 static struct usb_device_id option_ids[] = { - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_OLD) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUSION) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUSION2) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA2) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GTMAX36) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) }, { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) }, { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID,NOVATELWIRELESS_PRODUCT_U740) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ID) }, { } /* Terminating entry */ }; - -static struct usb_device_id option_ids1[] = { - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_OLD) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUSION) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUSION2) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA2) }, - { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GTMAX36) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220) }, - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID,NOVATELWIRELESS_PRODUCT_U740) }, - { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ID) }, - { } /* Terminating entry */ -}; - MODULE_DEVICE_TABLE(usb, option_ids); static struct usb_driver option_driver = { @@ -132,7 +177,7 @@ static struct usb_serial_driver option_1port_device = { }, .description = "GSM modem (1-port)", .usb_driver = &option_driver, - .id_table = option_ids1, + .id_table = option_ids, .num_interrupt_in = NUM_DONT_CARE, .num_bulk_in = NUM_DONT_CARE, .num_bulk_out = NUM_DONT_CARE, diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c index 6988a1082f5..03893acbfda 100644 --- a/fs/jfs/jfs_txnmgr.c +++ b/fs/jfs/jfs_txnmgr.c @@ -1919,7 +1919,8 @@ static void xtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd, * header ? */ if (tlck->type & tlckTRUNCATE) { - pxd_t pxd; /* truncated extent of xad */ + /* This odd declaration suppresses a bogus gcc warning */ + pxd_t pxd = pxd; /* truncated extent of xad */ int twm; /* diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index 98b0910ad80..8d4d839a9d8 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -502,6 +502,30 @@ int sysfs_create_file(struct kobject * kobj, const struct attribute * attr) /** + * sysfs_add_file_to_group - add an attribute file to a pre-existing group. + * @kobj: object we're acting for. + * @attr: attribute descriptor. + * @group: group name. + */ +int sysfs_add_file_to_group(struct kobject *kobj, + const struct attribute *attr, const char *group) +{ + struct dentry *dir; + int error; + + dir = lookup_one_len(group, kobj->dentry, strlen(group)); + if (IS_ERR(dir)) + error = PTR_ERR(dir); + else { + error = sysfs_add_file(dir, attr, SYSFS_KOBJ_ATTR); + dput(dir); + } + return error; +} +EXPORT_SYMBOL_GPL(sysfs_add_file_to_group); + + +/** * sysfs_update_file - update the modified timestamp on an object attribute. * @kobj: object we're acting for. * @attr: attribute descriptor. @@ -586,6 +610,26 @@ void sysfs_remove_file(struct kobject * kobj, const struct attribute * attr) } +/** + * sysfs_remove_file_from_group - remove an attribute file from a group. + * @kobj: object we're acting for. + * @attr: attribute descriptor. + * @group: group name. + */ +void sysfs_remove_file_from_group(struct kobject *kobj, + const struct attribute *attr, const char *group) +{ + struct dentry *dir; + + dir = lookup_one_len(group, kobj->dentry, strlen(group)); + if (!IS_ERR(dir)) { + sysfs_hash_and_remove(dir, attr->name); + dput(dir); + } +} +EXPORT_SYMBOL_GPL(sysfs_remove_file_from_group); + + EXPORT_SYMBOL_GPL(sysfs_create_file); EXPORT_SYMBOL_GPL(sysfs_remove_file); EXPORT_SYMBOL_GPL(sysfs_update_file); diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index d976b000554..a77c57e5a6d 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -1,3 +1,14 @@ +struct sysfs_dirent { + atomic_t s_count; + struct list_head s_sibling; + struct list_head s_children; + void * s_element; + int s_type; + umode_t s_mode; + struct dentry * s_dentry; + struct iattr * s_iattr; + atomic_t s_event; +}; extern struct vfsmount * sysfs_mount; extern struct kmem_cache *sysfs_dir_cachep; diff --git a/include/asm-i386/idle.h b/include/asm-i386/idle.h deleted file mode 100644 index 87ab9391119..00000000000 --- a/include/asm-i386/idle.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef _ASM_I386_IDLE_H -#define _ASM_I386_IDLE_H 1 - -#define IDLE_START 1 -#define IDLE_END 2 - -struct notifier_block; -void idle_notifier_register(struct notifier_block *n); -void idle_notifier_unregister(struct notifier_block *n); - -void exit_idle(void); -void enter_idle(void); - -#endif diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h index edfbe46a5e1..11bf899de8a 100644 --- a/include/asm-i386/processor.h +++ b/include/asm-i386/processor.h @@ -257,14 +257,6 @@ static inline void __mwait(unsigned long eax, unsigned long ecx) : :"a" (eax), "c" (ecx)); } -static inline void __sti_mwait(unsigned long eax, unsigned long ecx) -{ - /* "mwait %eax,%ecx;" */ - asm volatile( - "sti; .byte 0x0f,0x01,0xc9;" - : :"a" (eax), "c" (ecx)); -} - extern void mwait_idle_with_hints(unsigned long eax, unsigned long ecx); /* from system description table in BIOS. Mostly for MCA use, but diff --git a/include/asm-mips/ptrace.h b/include/asm-mips/ptrace.h index 8a1f2b6f04a..1906938285c 100644 --- a/include/asm-mips/ptrace.h +++ b/include/asm-mips/ptrace.h @@ -21,6 +21,7 @@ #define FPC_EIR 70 #define DSP_BASE 71 /* 3 more hi / lo register pairs */ #define DSP_CONTROL 77 +#define ACX 78 /* * This struct defines the way the registers are stored on the stack during a @@ -39,6 +40,9 @@ struct pt_regs { unsigned long cp0_status; unsigned long hi; unsigned long lo; +#ifdef CONFIG_CPU_HAS_SMARTMIPS + unsigned long acx; +#endif unsigned long cp0_badvaddr; unsigned long cp0_cause; unsigned long cp0_epc; diff --git a/include/asm-mips/sigcontext.h b/include/asm-mips/sigcontext.h index 972947474eb..9ce0607d7a4 100644 --- a/include/asm-mips/sigcontext.h +++ b/include/asm-mips/sigcontext.h @@ -23,7 +23,7 @@ struct sigcontext { unsigned long long sc_pc; unsigned long long sc_regs[32]; unsigned long long sc_fpregs[32]; - unsigned int sc_ownedfp; /* Unused */ + unsigned int sc_acx; /* Was sc_ownedfp */ unsigned int sc_fpc_csr; unsigned int sc_fpc_eir; /* Unused */ unsigned int sc_used_math; @@ -79,7 +79,7 @@ struct sigcontext32 { __u64 sc_pc; __u64 sc_regs[32]; __u64 sc_fpregs[32]; - __u32 sc_ownedfp; /* Unused */ + __u32 sc_acx; /* Only MIPS32; was sc_ownedfp */ __u32 sc_fpc_csr; __u32 sc_fpc_eir; /* Unused */ __u32 sc_used_math; diff --git a/include/asm-mips/stackframe.h b/include/asm-mips/stackframe.h index 1fae5dc5813..7afa1fdf70c 100644 --- a/include/asm-mips/stackframe.h +++ b/include/asm-mips/stackframe.h @@ -29,16 +29,25 @@ .endm .macro SAVE_TEMP +#ifdef CONFIG_CPU_HAS_SMARTMIPS + mflhxu v1 + LONG_S v1, PT_LO(sp) + mflhxu v1 + LONG_S v1, PT_HI(sp) + mflhxu v1 + LONG_S v1, PT_ACX(sp) +#else mfhi v1 + LONG_S v1, PT_HI(sp) + mflo v1 + LONG_S v1, PT_LO(sp) +#endif #ifdef CONFIG_32BIT LONG_S $8, PT_R8(sp) LONG_S $9, PT_R9(sp) #endif - LONG_S v1, PT_HI(sp) - mflo v1 LONG_S $10, PT_R10(sp) LONG_S $11, PT_R11(sp) - LONG_S v1, PT_LO(sp) LONG_S $12, PT_R12(sp) LONG_S $13, PT_R13(sp) LONG_S $14, PT_R14(sp) @@ -182,16 +191,25 @@ .endm .macro RESTORE_TEMP +#ifdef CONFIG_CPU_HAS_SMARTMIPS + LONG_L $24, PT_ACX(sp) + mtlhx $24 + LONG_L $24, PT_HI(sp) + mtlhx $24 LONG_L $24, PT_LO(sp) + mtlhx $24 +#else + LONG_L $24, PT_LO(sp) + mtlo $24 + LONG_L $24, PT_HI(sp) + mthi $24 +#endif #ifdef CONFIG_32BIT LONG_L $8, PT_R8(sp) LONG_L $9, PT_R9(sp) #endif - mtlo $24 - LONG_L $24, PT_HI(sp) LONG_L $10, PT_R10(sp) LONG_L $11, PT_R11(sp) - mthi $24 LONG_L $12, PT_R12(sp) LONG_L $13, PT_R13(sp) LONG_L $14, PT_R14(sp) diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h index 552df5f10a6..2e4b7a5ed1c 100644 --- a/include/asm-x86_64/hw_irq.h +++ b/include/asm-x86_64/hw_irq.h @@ -32,9 +32,30 @@ #define IA32_SYSCALL_VECTOR 0x80 +/* Reserve the lowest usable priority level 0x20 - 0x2f for triggering + * cleanup after irq migration. + */ +#define IRQ_MOVE_CLEANUP_VECTOR FIRST_EXTERNAL_VECTOR + /* * Vectors 0x20-0x2f are used for ISA interrupts. */ +#define IRQ0_VECTOR FIRST_EXTERNAL_VECTOR + 0x10 +#define IRQ1_VECTOR IRQ0_VECTOR + 1 +#define IRQ2_VECTOR IRQ0_VECTOR + 2 +#define IRQ3_VECTOR IRQ0_VECTOR + 3 +#define IRQ4_VECTOR IRQ0_VECTOR + 4 +#define IRQ5_VECTOR IRQ0_VECTOR + 5 +#define IRQ6_VECTOR IRQ0_VECTOR + 6 +#define IRQ7_VECTOR IRQ0_VECTOR + 7 +#define IRQ8_VECTOR IRQ0_VECTOR + 8 +#define IRQ9_VECTOR IRQ0_VECTOR + 9 +#define IRQ10_VECTOR IRQ0_VECTOR + 10 +#define IRQ11_VECTOR IRQ0_VECTOR + 11 +#define IRQ12_VECTOR IRQ0_VECTOR + 12 +#define IRQ13_VECTOR IRQ0_VECTOR + 13 +#define IRQ14_VECTOR IRQ0_VECTOR + 14 +#define IRQ15_VECTOR IRQ0_VECTOR + 15 /* * Special IRQ vectors used by the SMP architecture, 0xf0-0xff @@ -66,10 +87,10 @@ /* * First APIC vector available to drivers: (vectors 0x30-0xee) - * we start at 0x31 to spread out vectors evenly between priority + * we start at 0x41 to spread out vectors evenly between priority * levels. (0x80 is the syscall vector) */ -#define FIRST_DEVICE_VECTOR 0x31 +#define FIRST_DEVICE_VECTOR (IRQ15_VECTOR + 2) #define FIRST_SYSTEM_VECTOR 0xef /* duplicated in irq.h */ diff --git a/include/linux/device.h b/include/linux/device.h index d1a3a27c398..39a3199a826 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -294,8 +294,6 @@ extern void class_device_initialize(struct class_device *); extern int __must_check class_device_add(struct class_device *); extern void class_device_del(struct class_device *); -extern int class_device_rename(struct class_device *, char *); - extern struct class_device * class_device_get(struct class_device *); extern void class_device_put(struct class_device *); diff --git a/include/linux/irq.h b/include/linux/irq.h index aa5b3e6178a..b0a44b8e028 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -200,17 +200,6 @@ extern int setup_irq(unsigned int irq, struct irqaction *new); #endif #ifdef CONFIG_SMP -static inline void set_native_irq_info(int irq, cpumask_t mask) -{ - irq_desc[irq].affinity = mask; -} -#else -static inline void set_native_irq_info(int irq, cpumask_t mask) -{ -} -#endif - -#ifdef CONFIG_SMP #if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE) diff --git a/include/linux/kmod.h b/include/linux/kmod.h index cc8e674ae27..10f505c8431 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -28,10 +28,8 @@ #ifdef CONFIG_KMOD /* modprobe exit status on success, -ve on error. Return value * usually useless though. */ -extern void kmod_sysfs_init(void); extern int request_module(const char * name, ...) __attribute__ ((format (printf, 1, 2))); #else -static inline void kmod_sysfs_init(void) {}; static inline int request_module(const char * name, ...) { return -ENOSYS; } #endif diff --git a/include/linux/pm.h b/include/linux/pm.h index 070394e846d..21db05ac7c0 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -120,15 +120,48 @@ typedef int __bitwise suspend_disk_method_t; #define PM_DISK_TESTPROC ((__force suspend_disk_method_t) 6) #define PM_DISK_MAX ((__force suspend_disk_method_t) 7) +/** + * struct pm_ops - Callbacks for managing platform dependent suspend states. + * @valid: Callback to determine whether the given state can be entered. + * If %CONFIG_SOFTWARE_SUSPEND is set then %PM_SUSPEND_DISK is + * always valid and never passed to this call. + * If not assigned, all suspend states are advertised as valid + * in /sys/power/state (but can still be rejected by prepare or enter.) + * + * @prepare: Prepare the platform for the given suspend state. Can return a + * negative error code if necessary. + * + * @enter: Enter the given suspend state, must be assigned. Can return a + * negative error code if necessary. + * + * @finish: Called when the system has left the given state and all devices + * are resumed. The return value is ignored. + * + * @pm_disk_mode: Set to the disk method that the user should be able to + * configure for suspend-to-disk. Since %PM_DISK_SHUTDOWN, + * %PM_DISK_REBOOT, %PM_DISK_TEST and %PM_DISK_TESTPROC + * are always allowed, currently only %PM_DISK_PLATFORM + * makes sense. If the user then choses %PM_DISK_PLATFORM, + * the @prepare call will be called before suspending to disk + * (if present), the @enter call should be present and will + * be called after all state has been saved and the machine + * is ready to be shut down/suspended/..., and the @finish + * callback is called after state has been restored. All + * these calls are called with %PM_SUSPEND_DISK as the state. + */ struct pm_ops { - suspend_disk_method_t pm_disk_mode; int (*valid)(suspend_state_t state); int (*prepare)(suspend_state_t state); int (*enter)(suspend_state_t state); int (*finish)(suspend_state_t state); + suspend_disk_method_t pm_disk_mode; }; -extern void pm_set_ops(struct pm_ops *); +/** + * pm_set_ops - set platform dependent power management ops + * @pm_ops: The new power management operations to set. + */ +extern void pm_set_ops(struct pm_ops *pm_ops); extern struct pm_ops *pm_ops; extern int pm_suspend(suspend_state_t state); diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 192de3afa96..21805b500aa 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -17,6 +17,7 @@ struct kobject; struct module; struct nameidata; +struct dentry; struct attribute { const char * name; @@ -68,18 +69,6 @@ struct sysfs_ops { ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t); }; -struct sysfs_dirent { - atomic_t s_count; - struct list_head s_sibling; - struct list_head s_children; - void * s_element; - int s_type; - umode_t s_mode; - struct dentry * s_dentry; - struct iattr * s_iattr; - atomic_t s_event; -}; - #define SYSFS_ROOT 0x0001 #define SYSFS_DIR 0x0002 #define SYSFS_KOBJ_ATTR 0x0004 @@ -126,6 +115,11 @@ void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr); int __must_check sysfs_create_group(struct kobject *, const struct attribute_group *); void sysfs_remove_group(struct kobject *, const struct attribute_group *); +int sysfs_add_file_to_group(struct kobject *kobj, + const struct attribute *attr, const char *group); +void sysfs_remove_file_from_group(struct kobject *kobj, + const struct attribute *attr, const char *group); + void sysfs_notify(struct kobject * k, char *dir, char *attr); @@ -210,6 +204,18 @@ static inline void sysfs_remove_group(struct kobject * k, const struct attribute ; } +static inline int sysfs_add_file_to_group(struct kobject *kobj, + const struct attribute *attr, const char *group) +{ + return 0; +} + +static inline void sysfs_remove_file_from_group(struct kobject *kobj, + const struct attribute *attr, const char *group); +{ + ; +} + static inline void sysfs_notify(struct kobject * k, char *dir, char *attr) { } diff --git a/include/linux/usb.h b/include/linux/usb.h index a8e8d1ecebb..87dc75a6cee 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -388,10 +388,14 @@ struct usb_device { struct usb_device *children[USB_MAXCHILDREN]; int pm_usage_cnt; /* usage counter for autosuspend */ + u32 quirks; /* quirks of the whole device */ + #ifdef CONFIG_PM struct delayed_work autosuspend; /* for delayed autosuspends */ struct mutex pm_mutex; /* protects PM operations */ + unsigned autosuspend_delay; /* in jiffies */ + unsigned auto_pm:1; /* autosuspend/resume in progress */ unsigned do_remote_wakeup:1; /* remote wakeup should be enabled */ #endif diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 245c7253122..1122a6c2c1a 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -1,8 +1,9 @@ /* - * This file holds USB constants and structures that are needed for USB - * device APIs. These are used by the USB device model, which is defined - * in chapter 9 of the USB 2.0 specification. Linux has several APIs in C - * that need these: + * This file holds USB constants and structures that are needed for + * USB device APIs. These are used by the USB device model, which is + * defined in chapter 9 of the USB 2.0 specification and in the + * Wireless USB 1.0 (spread around). Linux has several APIs in C that + * need these: * * - the master/host side Linux-USB kernel driver API; * - the "usbfs" user space API; and @@ -14,6 +15,19 @@ * * There's also "Wireless USB", using low power short range radios for * peripheral interconnection but otherwise building on the USB framework. + * + * Note all descriptors are declared '__attribute__((packed))' so that: + * + * [a] they never get padded, either internally (USB spec writers + * probably handled that) or externally; + * + * [b] so that accessing bigger-than-a-bytes fields will never + * generate bus errors on any platform, even when the location of + * its descriptor inside a bundle isn't "naturally aligned", and + * + * [c] for consistency, removing all doubt even when it appears to + * someone that the two other points are non-issues for that + * particular descriptor type. */ #ifndef __LINUX_USB_CH9_H diff --git a/include/linux/usb/iowarrior.h b/include/linux/usb/iowarrior.h new file mode 100644 index 00000000000..cbbe020a4f5 --- /dev/null +++ b/include/linux/usb/iowarrior.h @@ -0,0 +1,33 @@ +#ifndef _IOWARRIOR_H_ +#define _IOWARRIOR_H_ + +#define CODEMERCS_MAGIC_NUMBER 0xC0 /* like COde Mercenaries */ + +/* Define the ioctl commands for reading and writing data */ +#define IOW_WRITE _IOW(CODEMERCS_MAGIC_NUMBER, 1, __u8 *) +#define IOW_READ _IOW(CODEMERCS_MAGIC_NUMBER, 2, __u8 *) + +/* + A struct for available device info which is read + with the ioctl IOW_GETINFO. + To be compatible with 2.4 userspace which didn't have an easy way to get + this information. +*/ +struct iowarrior_info { + __u32 vendor; /* vendor id : supposed to be USB_VENDOR_ID_CODEMERCS in all cases */ + __u32 product; /* product id : depends on type of chip (USB_DEVICE_ID_CODEMERCS_XXXXX) */ + __u8 serial[9]; /* the serial number of our chip (if a serial-number is not available this is empty string) */ + __u32 revision; /* revision number of the chip */ + __u32 speed; /* USB-speed of the device (0=UNKNOWN, 1=LOW, 2=FULL 3=HIGH) */ + __u32 power; /* power consumption of the device in mA */ + __u32 if_num; /* the number of the endpoint */ + __u32 report_size; /* size of the data-packets on this interface */ +}; + +/* + Get some device-information (product-id , serial-number etc.) + in order to identify a chip. +*/ +#define IOW_GETINFO _IOR(CODEMERCS_MAGIC_NUMBER, 3, struct iowarrior_info) + +#endif /* _IOWARRIOR_H_ */ diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h new file mode 100644 index 00000000000..6bac8faacbc --- /dev/null +++ b/include/linux/usb/quirks.h @@ -0,0 +1,11 @@ +/* + * This file holds the definitions of quirks found in USB devices. + * Only quirks that affect the whole device, not an interface, + * belong here. + */ + +/* device must not be autosuspended */ +#define USB_QUIRK_NO_AUTOSUSPEND 0x00000001 + +/* string descriptors must not be fetched using a 255-byte read */ +#define USB_QUIRK_STRING_FETCH_255 0x00000002 diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 4baa3bbcd25..77b7acc875c 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -65,12 +65,11 @@ void move_native_irq(int irq) if (likely(!(desc->status & IRQ_MOVE_PENDING))) return; - if (likely(!(desc->status & IRQ_DISABLED))) - desc->chip->disable(irq); + if (unlikely(desc->status & IRQ_DISABLED)) + return; + desc->chip->mask(irq); move_masked_irq(irq); - - if (likely(!(desc->status & IRQ_DISABLED))) - desc->chip->enable(irq); + desc->chip->unmask(irq); } diff --git a/kernel/kmod.c b/kernel/kmod.c index 9f923f8ce6a..796276141e5 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -36,8 +36,6 @@ #include <linux/resource.h> #include <asm/uaccess.h> -extern int delete_module(const char *name, unsigned int flags); - extern int max_threads; static struct workqueue_struct *khelper_wq; @@ -48,7 +46,6 @@ static struct workqueue_struct *khelper_wq; modprobe_path is set via /proc/sys. */ char modprobe_path[KMOD_PATH_LEN] = "/sbin/modprobe"; -struct module_kobject kmod_mk; /** * request_module - try to load a kernel module @@ -78,11 +75,6 @@ int request_module(const char *fmt, ...) static atomic_t kmod_concurrent = ATOMIC_INIT(0); #define MAX_KMOD_CONCURRENT 50 /* Completely arbitrary value - KAO */ static int kmod_loop_msg; - char modalias[16 + MODULE_NAME_LEN] = "MODALIAS="; - char *uevent_envp[2] = { - modalias, - NULL - }; va_start(args, fmt); ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args); @@ -90,12 +82,6 @@ int request_module(const char *fmt, ...) if (ret >= MODULE_NAME_LEN) return -ENAMETOOLONG; - strcpy(&modalias[strlen("MODALIAS=")], module_name); - kobject_uevent_env(&kmod_mk.kobj, KOBJ_CHANGE, uevent_envp); - - if (modprobe_path[0] == '\0') - goto out; - /* If modprobe needs a service that is in a module, we get a recursive * loop. Limit the number of running kmod threads to max_threads/2 or * MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method @@ -122,115 +108,9 @@ int request_module(const char *fmt, ...) ret = call_usermodehelper(modprobe_path, argv, envp, 1); atomic_dec(&kmod_concurrent); -out: return ret; } EXPORT_SYMBOL(request_module); - -static ssize_t store_mod_request(struct module_attribute *mattr, - struct module *mod, - const char *buffer, size_t count) -{ - char name[MODULE_NAME_LEN]; - int ret; - - if (count < 1 || count+1 > MODULE_NAME_LEN) - return -EINVAL; - memcpy(name, buffer, count); - name[count] = '\0'; - if (name[count-1] == '\n') - name[count-1] = '\0'; - - ret = request_module(name); - if (ret < 0) - return ret; - return count; -} - -static struct module_attribute mod_request = { - .attr = { .name = "mod_request", .mode = S_IWUSR, .owner = THIS_MODULE }, - .store = store_mod_request, -}; - -#ifdef CONFIG_MODULE_UNLOAD -static ssize_t store_mod_unload(struct module_attribute *mattr, - struct module *mod, - const char *buffer, size_t count) -{ - char name[MODULE_NAME_LEN]; - int ret; - - if (count < 1 || count+1 > MODULE_NAME_LEN) - return -EINVAL; - memcpy(name, buffer, count); - name[count] = '\0'; - if (name[count-1] == '\n') - name[count-1] = '\0'; - - ret = delete_module(name, O_NONBLOCK); - if (ret < 0) - return ret; - return count; -} - -static struct module_attribute mod_unload = { - .attr = { .name = "mod_unload", .mode = S_IWUSR, .owner = THIS_MODULE }, - .store = store_mod_unload, -}; -#endif - -static ssize_t show_mod_request_helper(struct module_attribute *mattr, - struct module *mod, - char *buffer) -{ - return sprintf(buffer, "%s\n", modprobe_path); -} - -static ssize_t store_mod_request_helper(struct module_attribute *mattr, - struct module *mod, - const char *buffer, size_t count) -{ - if (count < 1 || count+1 > KMOD_PATH_LEN) - return -EINVAL; - memcpy(modprobe_path, buffer, count); - modprobe_path[count] = '\0'; - if (modprobe_path[count-1] == '\n') - modprobe_path[count-1] = '\0'; - return count; -} - -static struct module_attribute mod_request_helper = { - .attr = { - .name = "mod_request_helper", - .mode = S_IWUSR | S_IRUGO, - .owner = THIS_MODULE - }, - .show = show_mod_request_helper, - .store = store_mod_request_helper, -}; - -void __init kmod_sysfs_init(void) -{ - int ret; - - kmod_mk.mod = THIS_MODULE; - kobj_set_kset_s(&kmod_mk, module_subsys); - kobject_set_name(&kmod_mk.kobj, "kmod"); - kobject_init(&kmod_mk.kobj); - ret = kobject_add(&kmod_mk.kobj); - if (ret < 0) - goto out; - - ret = sysfs_create_file(&kmod_mk.kobj, &mod_request_helper.attr); - ret = sysfs_create_file(&kmod_mk.kobj, &mod_request.attr); -#ifdef CONFIG_MODULE_UNLOAD - ret = sysfs_create_file(&kmod_mk.kobj, &mod_unload.attr); -#endif - - kobject_uevent(&kmod_mk.kobj, KOBJ_ADD); -out: - return; -} #endif /* CONFIG_KMOD */ struct subprocess_info { diff --git a/kernel/module.c b/kernel/module.c index 8c25b1a04fa..f77e893e462 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -653,11 +653,20 @@ static void wait_for_zero_refcount(struct module *mod) mutex_lock(&module_mutex); } -int delete_module(const char *name, unsigned int flags) +asmlinkage long +sys_delete_module(const char __user *name_user, unsigned int flags) { struct module *mod; + char name[MODULE_NAME_LEN]; int ret, forced = 0; + if (!capable(CAP_SYS_MODULE)) + return -EPERM; + + if (strncpy_from_user(name, name_user, MODULE_NAME_LEN-1) < 0) + return -EFAULT; + name[MODULE_NAME_LEN-1] = '\0'; + if (mutex_lock_interruptible(&module_mutex) != 0) return -EINTR; @@ -718,21 +727,6 @@ int delete_module(const char *name, unsigned int flags) return ret; } -asmlinkage long -sys_delete_module(const char __user *name_user, unsigned int flags) -{ - char name[MODULE_NAME_LEN]; - - if (!capable(CAP_SYS_MODULE)) - return -EPERM; - - if (strncpy_from_user(name, name_user, MODULE_NAME_LEN-1) < 0) - return -EFAULT; - name[MODULE_NAME_LEN-1] = '\0'; - - return delete_module(name, flags); -} - static void print_unload_info(struct seq_file *m, struct module *mod) { struct module_use *use; @@ -2425,6 +2419,12 @@ void module_remove_driver(struct device_driver *drv) kfree(driver_name); } } + /* + * Undo the additional reference we added in module_add_driver() + * via kset_find_obj() + */ + if (drv->mod_name) + kobject_put(&drv->kobj); } EXPORT_SYMBOL(module_remove_driver); #endif diff --git a/kernel/params.c b/kernel/params.c index 7a751570b56..e265b13195b 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -707,7 +707,6 @@ static int __init param_sysfs_init(void) } param_sysfs_builtin(); - kmod_sysfs_init(); return 0; } diff --git a/kernel/power/main.c b/kernel/power/main.c index e1c41312046..a064dfd8877 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -167,7 +167,10 @@ static inline int valid_state(suspend_state_t state) if (state == PM_SUSPEND_DISK) return 1; - if (pm_ops && pm_ops->valid && !pm_ops->valid(state)) + /* all other states need lowlevel support and need to be + * valid to the lowlevel implementation, no valid callback + * implies that all are valid. */ + if (!pm_ops || (pm_ops->valid && !pm_ops->valid(state))) return 0; return 1; } diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 4500e347f1b..0986a2bfab4 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -77,6 +77,7 @@ static void tick_periodic(int cpu) void tick_handle_periodic(struct clock_event_device *dev) { int cpu = smp_processor_id(); + ktime_t next; tick_periodic(cpu); @@ -86,12 +87,12 @@ void tick_handle_periodic(struct clock_event_device *dev) * Setup the next period for devices, which do not have * periodic mode: */ + next = ktime_add(dev->next_event, tick_period); for (;;) { - ktime_t next = ktime_add(dev->next_event, tick_period); - if (!clockevents_program_event(dev, next, ktime_get())) return; tick_periodic(cpu); + next = ktime_add(next, tick_period); } } diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 512a4a90646..51556b95f60 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -21,6 +21,8 @@ #include <linux/sched.h> #include <linux/tick.h> +#include <asm/irq_regs.h> + #include "tick-internal.h" /* |