diff options
133 files changed, 938 insertions, 683 deletions
diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt index 728c38c242d..56fb62b09fc 100644 --- a/Documentation/device-mapper/dm-raid.txt +++ b/Documentation/device-mapper/dm-raid.txt @@ -141,3 +141,4 @@ Version History 1.2.0 Handle creation of arrays that contain failed devices. 1.3.0 Added support for RAID 10 1.3.1 Allow device replacement/rebuild for RAID 10 +1.3.2 Fix/improve redundancy checking for RAID10 diff --git a/Documentation/hid/hid-sensor.txt b/Documentation/hid/hid-sensor.txt index 948b0989c43..948b0989c43 100755..100644 --- a/Documentation/hid/hid-sensor.txt +++ b/Documentation/hid/hid-sensor.txt diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index 406d82d5d2b..3edb4c2887a 100644 --- a/Documentation/x86/boot.txt +++ b/Documentation/x86/boot.txt @@ -57,6 +57,10 @@ Protocol 2.10: (Kernel 2.6.31) Added a protocol for relaxed alignment Protocol 2.11: (Kernel 3.6) Added a field for offset of EFI handover protocol entry point. +Protocol 2.12: (Kernel 3.9) Added the xloadflags field and extension fields + to struct boot_params for for loading bzImage and ramdisk + above 4G in 64bit. + **** MEMORY LAYOUT The traditional memory map for the kernel loader, used for Image or @@ -182,7 +186,7 @@ Offset Proto Name Meaning 0230/4 2.05+ kernel_alignment Physical addr alignment required for kernel 0234/1 2.05+ relocatable_kernel Whether kernel is relocatable or not 0235/1 2.10+ min_alignment Minimum alignment, as a power of two -0236/2 N/A pad3 Unused +0236/2 2.12+ xloadflags Boot protocol option flags 0238/4 2.06+ cmdline_size Maximum size of the kernel command line 023C/4 2.07+ hardware_subarch Hardware subarchitecture 0240/8 2.07+ hardware_subarch_data Subarchitecture-specific data @@ -582,6 +586,27 @@ Protocol: 2.10+ misaligned kernel. Therefore, a loader should typically try each power-of-two alignment from kernel_alignment down to this alignment. +Field name: xloadflags +Type: read +Offset/size: 0x236/2 +Protocol: 2.12+ + + This field is a bitmask. + + Bit 0 (read): XLF_KERNEL_64 + - If 1, this kernel has the legacy 64-bit entry point at 0x200. + + Bit 1 (read): XLF_CAN_BE_LOADED_ABOVE_4G + - If 1, kernel/boot_params/cmdline/ramdisk can be above 4G. + + Bit 2 (read): XLF_EFI_HANDOVER_32 + - If 1, the kernel supports the 32-bit EFI handoff entry point + given at handover_offset. + + Bit 3 (read): XLF_EFI_HANDOVER_64 + - If 1, the kernel supports the 64-bit EFI handoff entry point + given at handover_offset + 0x200. + Field name: cmdline_size Type: read Offset/size: 0x238/4 diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt index cf5437deda8..199f453cb4d 100644 --- a/Documentation/x86/zero-page.txt +++ b/Documentation/x86/zero-page.txt @@ -19,6 +19,9 @@ Offset Proto Name Meaning 090/010 ALL hd1_info hd1 disk parameter, OBSOLETE!! 0A0/010 ALL sys_desc_table System description table (struct sys_desc_table) 0B0/010 ALL olpc_ofw_header OLPC's OpenFirmware CIF and friends +0C0/004 ALL ext_ramdisk_image ramdisk_image high 32bits +0C4/004 ALL ext_ramdisk_size ramdisk_size high 32bits +0C8/004 ALL ext_cmd_line_ptr cmd_line_ptr high 32bits 140/080 ALL edid_info Video mode setup (struct edid_info) 1C0/020 ALL efi_info EFI 32 information (struct efi_info) 1E0/004 ALL alk_mem_k Alternative mem check, in KB @@ -27,6 +30,7 @@ Offset Proto Name Meaning 1E9/001 ALL eddbuf_entries Number of entries in eddbuf (below) 1EA/001 ALL edd_mbr_sig_buf_entries Number of entries in edd_mbr_sig_buffer (below) +1EF/001 ALL sentinel Used to detect broken bootloaders 290/040 ALL edd_mbr_sig_buffer EDD MBR signatures 2D0/A00 ALL e820_map E820 memory map table (array of struct e820entry) diff --git a/MAINTAINERS b/MAINTAINERS index 76ae4aa1512..212c255b934 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7088,7 +7088,7 @@ F: include/uapi/sound/ F: sound/ SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC) -M: Liam Girdwood <lrg@ti.com> +M: Liam Girdwood <lgirdwood@gmail.com> M: Mark Brown <broonie@opensource.wolfsonmicro.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git L: alsa-devel@alsa-project.org (moderated for non-subscribers) @@ -1,8 +1,8 @@ VERSION = 3 PATCHLEVEL = 8 SUBLEVEL = 0 -EXTRAVERSION = -rc5 -NAME = Terrified Chipmunk +EXTRAVERSION = -rc6 +NAME = Unicycling Gorilla # *DOCUMENTATION* # To see a list of typical targets execute "make help" diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig index d7af29f1fcf..ba611927749 100644 --- a/arch/mips/bcm47xx/Kconfig +++ b/arch/mips/bcm47xx/Kconfig @@ -8,8 +8,10 @@ config BCM47XX_SSB select SSB_DRIVER_EXTIF select SSB_EMBEDDED select SSB_B43_PCI_BRIDGE if PCI + select SSB_DRIVER_PCICORE if PCI select SSB_PCICORE_HOSTMODE if PCI select SSB_DRIVER_GPIO + select GPIOLIB default y help Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support. @@ -25,6 +27,7 @@ config BCM47XX_BCMA select BCMA_HOST_PCI if PCI select BCMA_DRIVER_PCI_HOSTMODE if PCI select BCMA_DRIVER_GPIO + select GPIOLIB default y help Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus. diff --git a/arch/mips/cavium-octeon/executive/cvmx-l2c.c b/arch/mips/cavium-octeon/executive/cvmx-l2c.c index 9f883bf7695..33b72144db3 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-l2c.c +++ b/arch/mips/cavium-octeon/executive/cvmx-l2c.c @@ -30,6 +30,7 @@ * measurement, and debugging facilities. */ +#include <linux/compiler.h> #include <linux/irqflags.h> #include <asm/octeon/cvmx.h> #include <asm/octeon/cvmx-l2c.h> @@ -285,22 +286,22 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter) */ static void fault_in(uint64_t addr, int len) { - volatile char *ptr; - volatile char dummy; + char *ptr; + /* * Adjust addr and length so we get all cache lines even for * small ranges spanning two cache lines. */ len += addr & CVMX_CACHE_LINE_MASK; addr &= ~CVMX_CACHE_LINE_MASK; - ptr = (volatile char *)cvmx_phys_to_ptr(addr); + ptr = cvmx_phys_to_ptr(addr); /* * Invalidate L1 cache to make sure all loads result in data * being in L2. */ CVMX_DCACHE_INVALIDATE; while (len > 0) { - dummy += *ptr; + ACCESS_ONCE(*ptr); len -= CVMX_CACHE_LINE_SIZE; ptr += CVMX_CACHE_LINE_SIZE; } diff --git a/arch/mips/include/asm/dsp.h b/arch/mips/include/asm/dsp.h index e9bfc0813c7..7bfad0520e2 100644 --- a/arch/mips/include/asm/dsp.h +++ b/arch/mips/include/asm/dsp.h @@ -16,7 +16,7 @@ #include <asm/mipsregs.h> #define DSP_DEFAULT 0x00000000 -#define DSP_MASK 0x3ff +#define DSP_MASK 0x3f #define __enable_dsp_hazard() \ do { \ diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h index ab84064283d..33c34adbecf 100644 --- a/arch/mips/include/asm/inst.h +++ b/arch/mips/include/asm/inst.h @@ -353,6 +353,7 @@ union mips_instruction { struct u_format u_format; struct c_format c_format; struct r_format r_format; + struct p_format p_format; struct f_format f_format; struct ma_format ma_format; struct b_format b_format; diff --git a/arch/mips/include/asm/mach-pnx833x/war.h b/arch/mips/include/asm/mach-pnx833x/war.h index edaa06d9d49..e410df4e1b3 100644 --- a/arch/mips/include/asm/mach-pnx833x/war.h +++ b/arch/mips/include/asm/mach-pnx833x/war.h @@ -21,4 +21,4 @@ #define R10000_LLSC_WAR 0 #define MIPS34K_MISSED_ITLB_WAR 0 -#endif /* __ASM_MIPS_MACH_PNX8550_WAR_H */ +#endif /* __ASM_MIPS_MACH_PNX833X_WAR_H */ diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index c63191055e6..013d5f78126 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -230,6 +230,7 @@ static inline void pud_clear(pud_t *pudp) #else #define pte_pfn(x) ((unsigned long)((x).pte >> _PFN_SHIFT)) #define pfn_pte(pfn, prot) __pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) +#define pfn_pmd(pfn, prot) __pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) #endif #define __pgd_offset(address) pgd_index(address) diff --git a/arch/mips/include/uapi/asm/Kbuild b/arch/mips/include/uapi/asm/Kbuild index a1a0452ac18..77d4fb33f75 100644 --- a/arch/mips/include/uapi/asm/Kbuild +++ b/arch/mips/include/uapi/asm/Kbuild @@ -3,6 +3,7 @@ include include/uapi/asm-generic/Kbuild.asm header-y += auxvec.h header-y += bitsperlong.h +header-y += break.h header-y += byteorder.h header-y += cachectl.h header-y += errno.h diff --git a/arch/mips/include/asm/break.h b/arch/mips/include/uapi/asm/break.h index 9161e684cb4..9161e684cb4 100644 --- a/arch/mips/include/asm/break.h +++ b/arch/mips/include/uapi/asm/break.h diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 6a2d758dd8e..83fa1460e29 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -25,6 +25,12 @@ #define MCOUNT_OFFSET_INSNS 4 #endif +/* Arch override because MIPS doesn't need to run this from stop_machine() */ +void arch_ftrace_update_code(int command) +{ + ftrace_modify_all_code(command); +} + /* * Check if the address is in kernel space * @@ -89,6 +95,24 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code) return 0; } +#ifndef CONFIG_64BIT +static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1, + unsigned int new_code2) +{ + int faulted; + + safe_store_code(new_code1, ip, faulted); + if (unlikely(faulted)) + return -EFAULT; + ip += 4; + safe_store_code(new_code2, ip, faulted); + if (unlikely(faulted)) + return -EFAULT; + flush_icache_range(ip, ip + 8); /* original ip + 12 */ + return 0; +} +#endif + /* * The details about the calling site of mcount on MIPS * @@ -131,8 +155,18 @@ int ftrace_make_nop(struct module *mod, * needed. */ new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F; - +#ifdef CONFIG_64BIT return ftrace_modify_code(ip, new); +#else + /* + * On 32 bit MIPS platforms, gcc adds a stack adjust + * instruction in the delay slot after the branch to + * mcount and expects mcount to restore the sp on return. + * This is based on a legacy API and does nothing but + * waste instructions so it's being removed at runtime. + */ + return ftrace_modify_code_2(ip, new, INSN_NOP); +#endif } int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S index 4c968e7efb7..16586767335 100644 --- a/arch/mips/kernel/mcount.S +++ b/arch/mips/kernel/mcount.S @@ -46,9 +46,8 @@ PTR_L a5, PT_R9(sp) PTR_L a6, PT_R10(sp) PTR_L a7, PT_R11(sp) - PTR_ADDIU sp, PT_SIZE #else - PTR_ADDIU sp, (PT_SIZE + 8) + PTR_ADDIU sp, PT_SIZE #endif .endm @@ -69,7 +68,9 @@ NESTED(ftrace_caller, PT_SIZE, ra) .globl _mcount _mcount: b ftrace_stub - nop + addiu sp,sp,8 + + /* When tracing is activated, it calls ftrace_caller+8 (aka here) */ lw t1, function_trace_stop bnez t1, ftrace_stub nop diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index eec690af658..147cec19621 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -705,7 +705,7 @@ static int vpe_run(struct vpe * v) printk(KERN_WARNING "VPE loader: TC %d is already in use.\n", - t->index); + v->tc->index); return -ENOEXEC; } } else { diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index f36acd1b380..a7935bf0fec 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -408,7 +408,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent) #endif /* tell oprofile which irq to use */ - cp0_perfcount_irq = LTQ_PERF_IRQ; + cp0_perfcount_irq = irq_create_mapping(ltq_domain, LTQ_PERF_IRQ); /* * if the timer irq is not one of the mips irqs we need to diff --git a/arch/mips/lib/delay.c b/arch/mips/lib/delay.c index dc81ca8dc0d..288f7954988 100644 --- a/arch/mips/lib/delay.c +++ b/arch/mips/lib/delay.c @@ -21,7 +21,7 @@ void __delay(unsigned long loops) " .set noreorder \n" " .align 3 \n" "1: bnez %0, 1b \n" -#if __SIZEOF_LONG__ == 4 +#if BITS_PER_LONG == 32 " subu %0, 1 \n" #else " dsubu %0, 1 \n" diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c index 7657fd21cd3..cacfd31e8ec 100644 --- a/arch/mips/mm/ioremap.c +++ b/arch/mips/mm/ioremap.c @@ -190,9 +190,3 @@ void __iounmap(const volatile void __iomem *addr) EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(__iounmap); - -int __virt_addr_valid(const volatile void *kaddr) -{ - return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); -} -EXPORT_SYMBOL_GPL(__virt_addr_valid); diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c index d9be7540a6b..7e5fe2790d8 100644 --- a/arch/mips/mm/mmap.c +++ b/arch/mips/mm/mmap.c @@ -192,3 +192,9 @@ unsigned long arch_randomize_brk(struct mm_struct *mm) return ret; } + +int __virt_addr_valid(const volatile void *kaddr) +{ + return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); +} +EXPORT_SYMBOL_GPL(__virt_addr_valid); diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c index 4e7f49d3d5a..c5ce6992ac4 100644 --- a/arch/mips/netlogic/xlr/setup.c +++ b/arch/mips/netlogic/xlr/setup.c @@ -193,8 +193,11 @@ static void nlm_init_node(void) void __init prom_init(void) { - int i, *argv, *envp; /* passed as 32 bit ptrs */ + int *argv, *envp; /* passed as 32 bit ptrs */ struct psb_info *prom_infop; +#ifdef CONFIG_SMP + int i; +#endif /* truncate to 32 bit and sign extend all args */ argv = (int *)(long)(int)fw_arg1; diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c index 1552522b871..6eaa4f2d0e3 100644 --- a/arch/mips/pci/pci-ar71xx.c +++ b/arch/mips/pci/pci-ar71xx.c @@ -24,7 +24,7 @@ #include <asm/mach-ath79/pci.h> #define AR71XX_PCI_MEM_BASE 0x10000000 -#define AR71XX_PCI_MEM_SIZE 0x08000000 +#define AR71XX_PCI_MEM_SIZE 0x07000000 #define AR71XX_PCI_WIN0_OFFS 0x10000000 #define AR71XX_PCI_WIN1_OFFS 0x11000000 diff --git a/arch/mips/pci/pci-ar724x.c b/arch/mips/pci/pci-ar724x.c index 86d77a66645..c11c75be2d7 100644 --- a/arch/mips/pci/pci-ar724x.c +++ b/arch/mips/pci/pci-ar724x.c @@ -21,7 +21,7 @@ #define AR724X_PCI_CTRL_SIZE 0x100 #define AR724X_PCI_MEM_BASE 0x10000000 -#define AR724X_PCI_MEM_SIZE 0x08000000 +#define AR724X_PCI_MEM_SIZE 0x04000000 #define AR724X_PCI_REG_RESET 0x18 #define AR724X_PCI_REG_INT_STATUS 0x4c diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index c1d7930a82f..098adbb6266 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1365,6 +1365,18 @@ static inline void pmdp_invalidate(struct vm_area_struct *vma, __pmd_idte(address, pmdp); } +#define __HAVE_ARCH_PMDP_SET_WRPROTECT +static inline void pmdp_set_wrprotect(struct mm_struct *mm, + unsigned long address, pmd_t *pmdp) +{ + pmd_t pmd = *pmdp; + + if (pmd_write(pmd)) { + __pmd_idte(address, pmdp); + set_pmd_at(mm, address, pmdp, pmd_wrprotect(pmd)); + } +} + static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot) { pmd_t __pmd; diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 79795af5981..225543bf45a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2138,6 +2138,7 @@ config OLPC_XO1_RTC config OLPC_XO1_SCI bool "OLPC XO-1 SCI extras" depends on OLPC && OLPC_XO1_PM + depends on INPUT=y select POWER_SUPPLY select GPIO_CS5535 select MFD_CORE diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index ccce0ed67dd..379814bc41e 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -71,7 +71,7 @@ GCOV_PROFILE := n $(obj)/bzImage: asflags-y := $(SVGA_MODE) quiet_cmd_image = BUILD $@ -cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin > $@ +cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/zoffset.h > $@ $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE $(call if_changed,image) @@ -92,7 +92,7 @@ targets += voffset.h $(obj)/voffset.h: vmlinux FORCE $(call if_changed,voffset) -sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p' +sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|startup_64\|efi_pe_entry\|efi_stub_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p' quiet_cmd_zoffset = ZOFFSET $@ cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@ diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index 18e329ca108..f8fa41190c3 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -256,10 +256,10 @@ static efi_status_t setup_efi_pci(struct boot_params *params) int i; struct setup_data *data; - data = (struct setup_data *)params->hdr.setup_data; + data = (struct setup_data *)(unsigned long)params->hdr.setup_data; while (data && data->next) - data = (struct setup_data *)data->next; + data = (struct setup_data *)(unsigned long)data->next; status = efi_call_phys5(sys_table->boottime->locate_handle, EFI_LOCATE_BY_PROTOCOL, &pci_proto, @@ -295,16 +295,18 @@ static efi_status_t setup_efi_pci(struct boot_params *params) if (!pci) continue; +#ifdef CONFIG_X86_64 status = efi_call_phys4(pci->attributes, pci, EfiPciIoAttributeOperationGet, 0, &attributes); - +#else + status = efi_call_phys5(pci->attributes, pci, + EfiPciIoAttributeOperationGet, 0, 0, + &attributes); +#endif if (status != EFI_SUCCESS) continue; - if (!(attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM)) - continue; - if (!pci->romimage || !pci->romsize) continue; @@ -345,9 +347,9 @@ static efi_status_t setup_efi_pci(struct boot_params *params) memcpy(rom->romdata, pci->romimage, pci->romsize); if (data) - data->next = (uint64_t)rom; + data->next = (unsigned long)rom; else - params->hdr.setup_data = (uint64_t)rom; + params->hdr.setup_data = (unsigned long)rom; data = (struct setup_data *)rom; @@ -432,10 +434,9 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto, * Once we've found a GOP supporting ConOut, * don't bother looking any further. */ + first_gop = gop; if (conout_found) break; - - first_gop = gop; } } diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index aa4aaf1b238..1e3184f6072 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -35,11 +35,11 @@ ENTRY(startup_32) #ifdef CONFIG_EFI_STUB jmp preferred_addr - .balign 0x10 /* * We don't need the return address, so set up the stack so - * efi_main() can find its arugments. + * efi_main() can find its arguments. */ +ENTRY(efi_pe_entry) add $0x4, %esp call make_boot_params @@ -50,8 +50,10 @@ ENTRY(startup_32) pushl %eax pushl %esi pushl %ecx + sub $0x4, %esp - .org 0x30,0x90 +ENTRY(efi_stub_entry) + add $0x4, %esp call efi_main cmpl $0, %eax movl %eax, %esi diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index 2c4b171eec3..f5d1aaa0dec 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -201,12 +201,12 @@ ENTRY(startup_64) */ #ifdef CONFIG_EFI_STUB /* - * The entry point for the PE/COFF executable is 0x210, so only - * legacy boot loaders will execute this jmp. + * The entry point for the PE/COFF executable is efi_pe_entry, so + * only legacy boot loaders will execute this jmp. */ jmp preferred_addr - .org 0x210 +ENTRY(efi_pe_entry) mov %rcx, %rdi mov %rdx, %rsi pushq %rdi @@ -218,7 +218,7 @@ ENTRY(startup_64) popq %rsi popq %rdi - .org 0x230,0x90 +ENTRY(efi_stub_entry) call efi_main movq %rax,%rsi cmpq $0,%rax diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index 8c132a625b9..944ce595f76 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -21,6 +21,7 @@ #include <asm/e820.h> #include <asm/page_types.h> #include <asm/setup.h> +#include <asm/bootparam.h> #include "boot.h" #include "voffset.h" #include "zoffset.h" @@ -255,6 +256,9 @@ section_table: # header, from the old boot sector. .section ".header", "a" + .globl sentinel +sentinel: .byte 0xff, 0xff /* Used to detect broken loaders */ + .globl hdr hdr: setup_sects: .byte 0 /* Filled in by build.c */ @@ -279,7 +283,7 @@ _start: # Part 2 of the header, from the old setup.S .ascii "HdrS" # header signature - .word 0x020b # header version number (>= 0x0105) + .word 0x020c # header version number (>= 0x0105) # or else old loadlin-1.5 will fail) .globl realmode_swtch realmode_swtch: .word 0, 0 # default_switch, SETUPSEG @@ -297,13 +301,7 @@ type_of_loader: .byte 0 # 0 means ancient bootloader, newer # flags, unused bits must be zero (RFU) bit within loadflags loadflags: -LOADED_HIGH = 1 # If set, the kernel is loaded high -CAN_USE_HEAP = 0x80 # If set, the loader also has set - # heap_end_ptr to tell how much - # space behind setup.S can be used for - # heap purposes. - # Only the loader knows what is free - .byte LOADED_HIGH + .byte LOADED_HIGH # The kernel is to be loaded high setup_move_size: .word 0x8000 # size to move, when setup is not # loaded at 0x90000. We will move setup @@ -369,7 +367,23 @@ relocatable_kernel: .byte 1 relocatable_kernel: .byte 0 #endif min_alignment: .byte MIN_KERNEL_ALIGN_LG2 # minimum alignment -pad3: .word 0 + +xloadflags: +#ifdef CONFIG_X86_64 +# define XLF0 XLF_KERNEL_64 /* 64-bit kernel */ +#else +# define XLF0 0 +#endif +#ifdef CONFIG_EFI_STUB +# ifdef CONFIG_X86_64 +# define XLF23 XLF_EFI_HANDOVER_64 /* 64-bit EFI handover ok */ +# else +# define XLF23 XLF_EFI_HANDOVER_32 /* 32-bit EFI handover ok */ +# endif +#else +# define XLF23 0 +#endif + .word XLF0 | XLF23 cmdline_size: .long COMMAND_LINE_SIZE-1 #length of the command line, #added with boot protocol @@ -397,8 +411,13 @@ pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr #define INIT_SIZE VO_INIT_SIZE #endif init_size: .long INIT_SIZE # kernel initialization size -handover_offset: .long 0x30 # offset to the handover +handover_offset: +#ifdef CONFIG_EFI_STUB + .long 0x30 # offset to the handover # protocol entry point +#else + .long 0 +#endif # End of setup header ##################################################### diff --git a/arch/x86/boot/setup.ld b/arch/x86/boot/setup.ld index 03c0683636b..96a6c756353 100644 --- a/arch/x86/boot/setup.ld +++ b/arch/x86/boot/setup.ld @@ -13,7 +13,7 @@ SECTIONS .bstext : { *(.bstext) } .bsdata : { *(.bsdata) } - . = 497; + . = 495; .header : { *(.header) } .entrytext : { *(.entrytext) } .inittext : { *(.inittext) } diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c index 4b8e165ee57..94c54465002 100644 --- a/arch/x86/boot/tools/build.c +++ b/arch/x86/boot/tools/build.c @@ -52,6 +52,10 @@ int is_big_kernel; #define PECOFF_RELOC_RESERVE 0x20 +unsigned long efi_stub_entry; +unsigned long efi_pe_entry; +unsigned long startup_64; + /*----------------------------------------------------------------------*/ static const u32 crctab32[] = { @@ -132,7 +136,7 @@ static void die(const char * str, ...) static void usage(void) { - die("Usage: build setup system [> image]"); + die("Usage: build setup system [zoffset.h] [> image]"); } #ifdef CONFIG_EFI_STUB @@ -206,30 +210,54 @@ static void update_pecoff_text(unsigned int text_start, unsigned int file_sz) */ put_unaligned_le32(file_sz - 512, &buf[pe_header + 0x1c]); -#ifdef CONFIG_X86_32 /* - * Address of entry point. - * - * The EFI stub entry point is +16 bytes from the start of - * the .text section. + * Address of entry point for PE/COFF executable */ - put_unaligned_le32(text_start + 16, &buf[pe_header + 0x28]); -#else - /* - * Address of entry point. startup_32 is at the beginning and - * the 64-bit entry point (startup_64) is always 512 bytes - * after. The EFI stub entry point is 16 bytes after that, as - * the first instruction allows legacy loaders to jump over - * the EFI stub initialisation - */ - put_unaligned_le32(text_start + 528, &buf[pe_header + 0x28]); -#endif /* CONFIG_X86_32 */ + put_unaligned_le32(text_start + efi_pe_entry, &buf[pe_header + 0x28]); update_pecoff_section_header(".text", text_start, text_sz); } #endif /* CONFIG_EFI_STUB */ + +/* + * Parse zoffset.h and find the entry points. We could just #include zoffset.h + * but that would mean tools/build would have to be rebuilt every time. It's + * not as if parsing it is hard... + */ +#define PARSE_ZOFS(p, sym) do { \ + if (!strncmp(p, "#define ZO_" #sym " ", 11+sizeof(#sym))) \ + sym = strtoul(p + 11 + sizeof(#sym), NULL, 16); \ +} while (0) + +static void parse_zoffset(char *fname) +{ + FILE *file; + char *p; + int c; + + file = fopen(fname, "r"); + if (!file) + die("Unable to open `%s': %m", fname); + c = fread(buf, 1, sizeof(buf) - 1, file); + if (ferror(file)) + die("read-error on `zoffset.h'"); + buf[c] = 0; + + p = (char *)buf; + + while (p && *p) { + PARSE_ZOFS(p, efi_stub_entry); + PARSE_ZOFS(p, efi_pe_entry); + PARSE_ZOFS(p, startup_64); + + p = strchr(p, '\n'); + while (p && (*p == '\r' || *p == '\n')) + p++; + } +} + int main(int argc, char ** argv) { unsigned int i, sz, setup_sectors; @@ -241,7 +269,19 @@ int main(int argc, char ** argv) void *kernel; u32 crc = 0xffffffffUL; - if (argc != 3) + /* Defaults for old kernel */ +#ifdef CONFIG_X86_32 + efi_pe_entry = 0x10; + efi_stub_entry = 0x30; +#else + efi_pe_entry = 0x210; + efi_stub_entry = 0x230; + startup_64 = 0x200; +#endif + + if (argc == 4) + parse_zoffset(argv[3]); + else if (argc != 3) usage(); /* Copy the setup code */ @@ -299,6 +339,11 @@ int main(int argc, char ** argv) #ifdef CONFIG_EFI_STUB update_pecoff_text(setup_sectors * 512, sz + i + ((sys_size * 16) - sz)); + +#ifdef CONFIG_X86_64 /* Yes, this is really how we defined it :( */ + efi_stub_entry -= 0x200; +#endif + put_unaligned_le32(efi_stub_entry, &buf[0x264]); #endif crc = partial_crc32(buf, i, crc); diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index 6e8fdf5ad11..28677c55113 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -94,6 +94,7 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size, #endif /* CONFIG_X86_32 */ extern int add_efi_memmap; +extern unsigned long x86_efi_facility; extern void efi_set_executable(efi_memory_desc_t *md, bool executable); extern int efi_memblock_x86_reserve_range(void); extern void efi_call_phys_prelog(void); diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h index b47c2a82ff1..062921ef34e 100644 --- a/arch/x86/include/asm/uv/uv.h +++ b/arch/x86/include/asm/uv/uv.h @@ -16,7 +16,7 @@ extern void uv_system_init(void); extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm, unsigned long start, - unsigned end, + unsigned long end, unsigned int cpu); #else /* X86_UV */ diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h index 92862cd9020..c15ddaf9071 100644 --- a/arch/x86/include/uapi/asm/bootparam.h +++ b/arch/x86/include/uapi/asm/bootparam.h @@ -1,6 +1,31 @@ #ifndef _ASM_X86_BOOTPARAM_H #define _ASM_X86_BOOTPARAM_H +/* setup_data types */ +#define SETUP_NONE 0 +#define SETUP_E820_EXT 1 +#define SETUP_DTB 2 +#define SETUP_PCI 3 + +/* ram_size flags */ +#define RAMDISK_IMAGE_START_MASK 0x07FF +#define RAMDISK_PROMPT_FLAG 0x8000 +#define RAMDISK_LOAD_FLAG 0x4000 + +/* loadflags */ +#define LOADED_HIGH (1<<0) +#define QUIET_FLAG (1<<5) +#define KEEP_SEGMENTS (1<<6) +#define CAN_USE_HEAP (1<<7) + +/* xloadflags */ +#define XLF_KERNEL_64 (1<<0) +#define XLF_CAN_BE_LOADED_ABOVE_4G (1<<1) +#define XLF_EFI_HANDOVER_32 (1<<2) +#define XLF_EFI_HANDOVER_64 (1<<3) + +#ifndef __ASSEMBLY__ + #include <linux/types.h> #include <linux/screen_info.h> #include <linux/apm_bios.h> @@ -9,12 +34,6 @@ #include <asm/ist.h> #include <video/edid.h> -/* setup data types */ -#define SETUP_NONE 0 -#define SETUP_E820_EXT 1 -#define SETUP_DTB 2 -#define SETUP_PCI 3 - /* extensible setup data list node */ struct setup_data { __u64 next; @@ -28,9 +47,6 @@ struct setup_header { __u16 root_flags; __u32 syssize; __u16 ram_size; -#define RAMDISK_IMAGE_START_MASK 0x07FF -#define RAMDISK_PROMPT_FLAG 0x8000 -#define RAMDISK_LOAD_FLAG 0x4000 __u16 vid_mode; __u16 root_dev; __u16 boot_flag; @@ -42,10 +58,6 @@ struct setup_header { __u16 kernel_version; __u8 type_of_loader; __u8 loadflags; -#define LOADED_HIGH (1<<0) -#define QUIET_FLAG (1<<5) -#define KEEP_SEGMENTS (1<<6) -#define CAN_USE_HEAP (1<<7) __u16 setup_move_size; __u32 code32_start; __u32 ramdisk_image; @@ -58,7 +70,8 @@ struct setup_header { __u32 initrd_addr_max; __u32 kernel_alignment; __u8 relocatable_kernel; - __u8 _pad2[3]; + __u8 min_alignment; + __u16 xloadflags; __u32 cmdline_size; __u32 hardware_subarch; __u64 hardware_subarch_data; @@ -106,7 +119,10 @@ struct boot_params { __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */ struct sys_desc_table sys_desc_table; /* 0x0a0 */ struct olpc_ofw_header olpc_ofw_header; /* 0x0b0 */ - __u8 _pad4[128]; /* 0x0c0 */ + __u32 ext_ramdisk_image; /* 0x0c0 */ + __u32 ext_ramdisk_size; /* 0x0c4 */ + __u32 ext_cmd_line_ptr; /* 0x0c8 */ + __u8 _pad4[116]; /* 0x0cc */ struct edid_info edid_info; /* 0x140 */ struct efi_info efi_info; /* 0x1c0 */ __u32 alt_mem_k; /* 0x1e0 */ @@ -115,7 +131,20 @@ struct boot_params { __u8 eddbuf_entries; /* 0x1e9 */ __u8 edd_mbr_sig_buf_entries; /* 0x1ea */ __u8 kbd_status; /* 0x1eb */ - __u8 _pad6[5]; /* 0x1ec */ + __u8 _pad5[3]; /* 0x1ec */ + /* + * The sentinel is set to a nonzero value (0xff) in header.S. + * + * A bootloader is supposed to only take setup_header and put + * it into a clean boot_params buffer. If it turns out that + * it is clumsy or too generous with the buffer, it most + * probably will pick up the sentinel variable too. The fact + * that this variable then is still 0xff will let kernel + * know that some variables in boot_params are invalid and + * kernel should zero out certain portions of boot_params. + */ + __u8 sentinel; /* 0x1ef */ + __u8 _pad6[1]; /* 0x1f0 */ struct setup_header hdr; /* setup header */ /* 0x1f1 */ __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)]; __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */ @@ -134,6 +163,6 @@ enum { X86_NR_SUBARCHS, }; - +#endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_BOOTPARAM_H */ diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 07a7a04529b..cb3c591339a 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -1781,6 +1781,7 @@ first_nmi: * Leave room for the "copied" frame */ subq $(5*8), %rsp + CFI_ADJUST_CFA_OFFSET 5*8 /* Copy the stack frame to the Saved frame */ .rept 5 @@ -1863,10 +1864,8 @@ end_repeat_nmi: nmi_swapgs: SWAPGS_UNSAFE_STACK nmi_restore: - RESTORE_ALL 8 - - /* Pop the extra iret frame */ - addq $(5*8), %rsp + /* Pop the extra iret frame at once */ + RESTORE_ALL 6*8 /* Clear the NMI executing stack variable */ movq $0, 5*8(%rsp) diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 8e7f6556028..c8932c79e78 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -300,6 +300,12 @@ ENTRY(startup_32_smp) leal -__PAGE_OFFSET(%ecx),%esp default_entry: +#define CR0_STATE (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \ + X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \ + X86_CR0_PG) + movl $(CR0_STATE & ~X86_CR0_PG),%eax + movl %eax,%cr0 + /* * New page tables may be in 4Mbyte page mode and may * be using the global pages. @@ -364,8 +370,7 @@ default_entry: */ movl $pa(initial_page_table), %eax movl %eax,%cr3 /* set the page table pointer.. */ - movl %cr0,%eax - orl $X86_CR0_PG,%eax + movl $CR0_STATE,%eax movl %eax,%cr0 /* ..and set paging (PG) bit */ ljmp $__BOOT_CS,$1f /* Clear prefetch and normalize %eip */ 1: diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index a7c5661f849..4929502c137 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -174,6 +174,9 @@ static int msr_open(struct inode *inode, struct file *file) unsigned int cpu; struct cpuinfo_x86 *c; + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; + cpu = iminor(file->f_path.dentry->d_inode); if (cpu >= nr_cpu_ids || !cpu_online(cpu)) return -ENXIO; /* No such CPU */ diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 0f5dec5c80e..872079a67e4 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -56,7 +56,7 @@ struct device x86_dma_fallback_dev = { EXPORT_SYMBOL(x86_dma_fallback_dev); /* Number of entries preallocated for DMA-API debugging */ -#define PREALLOC_DMA_DEBUG_ENTRIES 32768 +#define PREALLOC_DMA_DEBUG_ENTRIES 65536 int dma_set_mask(struct device *dev, u64 mask) { diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 4e8ba39eaf0..76fa1e9a2b3 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -584,7 +584,7 @@ static void native_machine_emergency_restart(void) break; case BOOT_EFI: - if (efi_enabled) + if (efi_enabled(EFI_RUNTIME_SERVICES)) efi.reset_system(reboot_mode ? EFI_RESET_WARM : EFI_RESET_COLD, diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 00f6c1472b8..8b24289cc10 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -807,15 +807,15 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_EFI if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature, "EL32", 4)) { - efi_enabled = 1; - efi_64bit = false; + set_bit(EFI_BOOT, &x86_efi_facility); } else if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature, "EL64", 4)) { - efi_enabled = 1; - efi_64bit = true; + set_bit(EFI_BOOT, &x86_efi_facility); + set_bit(EFI_64BIT, &x86_efi_facility); } - if (efi_enabled && efi_memblock_x86_reserve_range()) - efi_enabled = 0; + + if (efi_enabled(EFI_BOOT)) + efi_memblock_x86_reserve_range(); #endif x86_init.oem.arch_setup(); @@ -888,7 +888,7 @@ void __init setup_arch(char **cmdline_p) finish_e820_parsing(); - if (efi_enabled) + if (efi_enabled(EFI_BOOT)) efi_init(); dmi_scan_machine(); @@ -971,7 +971,7 @@ void __init setup_arch(char **cmdline_p) * The EFI specification says that boot service code won't be called * after ExitBootServices(). This is, in fact, a lie. */ - if (efi_enabled) + if (efi_enabled(EFI_MEMMAP)) efi_reserve_boot_services(); /* preallocate 4k for mptable mpc */ @@ -1114,7 +1114,7 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_VT #if defined(CONFIG_VGA_CONSOLE) - if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY)) + if (!efi_enabled(EFI_BOOT) || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY)) conswitchp = &vga_con; #elif defined(CONFIG_DUMMY_CONSOLE) conswitchp = &dummy_con; @@ -1131,14 +1131,14 @@ void __init setup_arch(char **cmdline_p) register_refined_jiffies(CLOCK_TICK_RATE); #ifdef CONFIG_EFI - /* Once setup is done above, disable efi_enabled on mismatched - * firmware/kernel archtectures since there is no support for - * runtime services. + /* Once setup is done above, unmap the EFI memory map on + * mismatched firmware/kernel archtectures since there is no + * support for runtime services. */ - if (efi_enabled && IS_ENABLED(CONFIG_X86_64) != efi_64bit) { + if (efi_enabled(EFI_BOOT) && + IS_ENABLED(CONFIG_X86_64) != efi_enabled(EFI_64BIT)) { pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n"); efi_unmap_memmap(); - efi_enabled = 0; } #endif } diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index ad4439145f8..77cf0090c0a 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -51,9 +51,6 @@ #define EFI_DEBUG 1 -int efi_enabled; -EXPORT_SYMBOL(efi_enabled); - struct efi __read_mostly efi = { .mps = EFI_INVALID_TABLE_ADDR, .acpi = EFI_INVALID_TABLE_ADDR, @@ -69,19 +66,28 @@ EXPORT_SYMBOL(efi); struct efi_memory_map memmap; -bool efi_64bit; - static struct efi efi_phys __initdata; static efi_system_table_t efi_systab __initdata; static inline bool efi_is_native(void) { - return IS_ENABLED(CONFIG_X86_64) == efi_64bit; + return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT); +} + +unsigned long x86_efi_facility; + +/* + * Returns 1 if 'facility' is enabled, 0 otherwise. + */ +int efi_enabled(int facility) +{ + return test_bit(facility, &x86_efi_facility) != 0; } +EXPORT_SYMBOL(efi_enabled); static int __init setup_noefi(char *arg) { - efi_enabled = 0; + clear_bit(EFI_BOOT, &x86_efi_facility); return 0; } early_param("noefi", setup_noefi); @@ -426,6 +432,7 @@ void __init efi_reserve_boot_services(void) void __init efi_unmap_memmap(void) { + clear_bit(EFI_MEMMAP, &x86_efi_facility); if (memmap.map) { early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size); memmap.map = NULL; @@ -460,7 +467,7 @@ void __init efi_free_boot_services(void) static int __init efi_systab_init(void *phys) { - if (efi_64bit) { + if (efi_enabled(EFI_64BIT)) { efi_system_table_64_t *systab64; u64 tmp = 0; @@ -552,7 +559,7 @@ static int __init efi_config_init(u64 tables, int nr_tables) void *config_tables, *tablep; int i, sz; - if (efi_64bit) + if (efi_enabled(EFI_64BIT)) sz = sizeof(efi_config_table_64_t); else sz = sizeof(efi_config_table_32_t); @@ -572,7 +579,7 @@ static int __init efi_config_init(u64 tables, int nr_tables) efi_guid_t guid; unsigned long table; - if (efi_64bit) { + if (efi_enabled(EFI_64BIT)) { u64 table64; guid = ((efi_config_table_64_t *)tablep)->guid; table64 = ((efi_config_table_64_t *)tablep)->table; @@ -684,7 +691,6 @@ void __init efi_init(void) if (boot_params.efi_info.efi_systab_hi || boot_params.efi_info.efi_memmap_hi) { pr_info("Table located above 4GB, disabling EFI.\n"); - efi_enabled = 0; return; } efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab; @@ -694,10 +700,10 @@ void __init efi_init(void) ((__u64)boot_params.efi_info.efi_systab_hi<<32)); #endif - if (efi_systab_init(efi_phys.systab)) { - efi_enabled = 0; + if (efi_systab_init(efi_phys.systab)) return; - } + + set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility); /* * Show what we know for posterity @@ -715,10 +721,10 @@ void __init efi_init(void) efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff, vendor); - if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) { - efi_enabled = 0; + if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) return; - } + + set_bit(EFI_CONFIG_TABLES, &x86_efi_facility); /* * Note: We currently don't support runtime services on an EFI @@ -727,15 +733,17 @@ void __init efi_init(void) if (!efi_is_native()) pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n"); - else if (efi_runtime_init()) { - efi_enabled = 0; - return; + else { + if (efi_runtime_init()) + return; + set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility); } - if (efi_memmap_init()) { - efi_enabled = 0; + if (efi_memmap_init()) return; - } + + set_bit(EFI_MEMMAP, &x86_efi_facility); + #ifdef CONFIG_X86_32 if (efi_is_native()) { x86_platform.get_wallclock = efi_get_time; @@ -941,7 +949,7 @@ void __init efi_enter_virtual_mode(void) * * Call EFI services through wrapper functions. */ - efi.runtime_version = efi_systab.fw_revision; + efi.runtime_version = efi_systab.hdr.revision; efi.get_time = virt_efi_get_time; efi.set_time = virt_efi_set_time; efi.get_wakeup_time = virt_efi_get_wakeup_time; @@ -969,6 +977,9 @@ u32 efi_mem_type(unsigned long phys_addr) efi_memory_desc_t *md; void *p; + if (!efi_enabled(EFI_MEMMAP)) + return 0; + for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) { md = p; if ((md->phys_addr <= phys_addr) && diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 95fd505dfeb..2b200386061 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -38,7 +38,7 @@ #include <asm/cacheflush.h> #include <asm/fixmap.h> -static pgd_t save_pgd __initdata; +static pgd_t *save_pgd __initdata; static unsigned long efi_flags __initdata; static void __init early_code_mapping_set_exec(int executable) @@ -61,12 +61,20 @@ static void __init early_code_mapping_set_exec(int executable) void __init efi_call_phys_prelog(void) { unsigned long vaddress; + int pgd; + int n_pgds; early_code_mapping_set_exec(1); local_irq_save(efi_flags); - vaddress = (unsigned long)__va(0x0UL); - save_pgd = *pgd_offset_k(0x0UL); - set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress)); + + n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE); + save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL); + + for (pgd = 0; pgd < n_pgds; pgd++) { + save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE); + vaddress = (unsigned long)__va(pgd * PGDIR_SIZE); + set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress)); + } __flush_tlb_all(); } @@ -75,7 +83,11 @@ void __init efi_call_phys_epilog(void) /* * After the lock is released, the original page table is restored. */ - set_pgd(pgd_offset_k(0x0UL), save_pgd); + int pgd; + int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE); + for (pgd = 0; pgd < n_pgds; pgd++) + set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]); + kfree(save_pgd); __flush_tlb_all(); local_irq_restore(efi_flags); early_code_mapping_set_exec(0); diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index b8b3a37c80c..dbbdca5f508 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1034,7 +1034,8 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp, * globally purge translation cache of a virtual address or all TLB's * @cpumask: mask of all cpu's in which the address is to be removed * @mm: mm_struct containing virtual address range - * @va: virtual address to be removed (or TLB_FLUSH_ALL for all TLB's on cpu) + * @start: start virtual address to be removed from TLB + * @end: end virtual address to be remove from TLB * @cpu: the current cpu * * This is the entry point for initiating any UV global TLB shootdown. @@ -1056,7 +1057,7 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp, */ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm, unsigned long start, - unsigned end, unsigned int cpu) + unsigned long end, unsigned int cpu) { int locals = 0; int remotes = 0; @@ -1113,7 +1114,10 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, record_send_statistics(stat, locals, hubs, remotes, bau_desc); - bau_desc->payload.address = start; + if (!end || (end - start) <= PAGE_SIZE) + bau_desc->payload.address = start; + else + bau_desc->payload.address = TLB_FLUSH_ALL; bau_desc->payload.sending_cpu = cpu; /* * uv_flush_send_and_wait returns 0 if all cpu's were messaged, diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c index 5a1847d6193..79d67bd507f 100644 --- a/arch/x86/tools/relocs.c +++ b/arch/x86/tools/relocs.c @@ -814,12 +814,14 @@ int main(int argc, char **argv) read_relocs(fp); if (show_absolute_syms) { print_absolute_symbols(); - return 0; + goto out; } if (show_absolute_relocs) { print_absolute_relocs(); - return 0; + goto out; } emit_relocs(as_text, use_real_mode); +out: + fclose(fp); return 0; } diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 3ff26786154..bd22f8667ee 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -250,7 +250,7 @@ acpi_physical_address __init acpi_os_get_root_pointer(void) return acpi_rsdp; #endif - if (efi_enabled) { + if (efi_enabled(EFI_CONFIG_TABLES)) { if (efi.acpi20 != EFI_INVALID_TABLE_ADDR) return efi.acpi20; else if (efi.acpi != EFI_INVALID_TABLE_ADDR) diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 281f566a551..d1e9eb191f2 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -340,7 +340,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, /* * Alocate and fill the csrow/channels structs */ - mci->csrows = kcalloc(sizeof(*mci->csrows), tot_csrows, GFP_KERNEL); + mci->csrows = kcalloc(tot_csrows, sizeof(*mci->csrows), GFP_KERNEL); if (!mci->csrows) goto error; for (row = 0; row < tot_csrows; row++) { @@ -351,7 +351,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, csr->csrow_idx = row; csr->mci = mci; csr->nr_channels = tot_channels; - csr->channels = kcalloc(sizeof(*csr->channels), tot_channels, + csr->channels = kcalloc(tot_channels, sizeof(*csr->channels), GFP_KERNEL); if (!csr->channels) goto error; @@ -369,7 +369,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, /* * Allocate and fill the dimm structs */ - mci->dimms = kcalloc(sizeof(*mci->dimms), tot_dimms, GFP_KERNEL); + mci->dimms = kcalloc(tot_dimms, sizeof(*mci->dimms), GFP_KERNEL); if (!mci->dimms) goto error; diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c index dc6e905ee1a..0056c4dae9d 100644 --- a/drivers/edac/edac_pci_sysfs.c +++ b/drivers/edac/edac_pci_sysfs.c @@ -256,7 +256,7 @@ static ssize_t edac_pci_dev_store(struct kobject *kobj, struct edac_pci_dev_attribute *edac_pci_dev; edac_pci_dev = (struct edac_pci_dev_attribute *)attr; - if (edac_pci_dev->show) + if (edac_pci_dev->store) return edac_pci_dev->store(edac_pci_dev->value, buffer, count); return -EIO; } diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index fd3ae6290d7..982f1f5f574 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -471,7 +471,7 @@ void __init dmi_scan_machine(void) char __iomem *p, *q; int rc; - if (efi_enabled) { + if (efi_enabled(EFI_CONFIG_TABLES)) { if (efi.smbios == EFI_INVALID_TABLE_ADDR) goto error; diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index 7b1c37497c9..f5596db0cf5 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -674,7 +674,7 @@ static int efi_status_to_err(efi_status_t status) err = -EACCES; break; case EFI_NOT_FOUND: - err = -ENOENT; + err = -EIO; break; default: err = -EINVAL; @@ -793,6 +793,7 @@ static ssize_t efivarfs_file_write(struct file *file, spin_unlock(&efivars->lock); efivar_unregister(var); drop_nlink(inode); + d_delete(file->f_dentry); dput(file->f_dentry); } else { @@ -994,7 +995,7 @@ static int efivarfs_unlink(struct inode *dir, struct dentry *dentry) list_del(&var->list); spin_unlock(&efivars->lock); efivar_unregister(var); - drop_nlink(dir); + drop_nlink(dentry->d_inode); dput(dentry); return 0; } @@ -1782,7 +1783,7 @@ efivars_init(void) printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION, EFIVARS_DATE); - if (!efi_enabled) + if (!efi_enabled(EFI_RUNTIME_SERVICES)) return 0; /* For now we'll register the efi directory at /sys/firmware/efi */ @@ -1822,7 +1823,7 @@ err_put: static void __exit efivars_exit(void) { - if (efi_enabled) { + if (efi_enabled(EFI_RUNTIME_SERVICES)) { unregister_efivars(&__efivars); kobject_put(efi_kobj); } diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c index 4da4eb9ae92..2224f1dc074 100644 --- a/drivers/firmware/iscsi_ibft_find.c +++ b/drivers/firmware/iscsi_ibft_find.c @@ -99,7 +99,7 @@ unsigned long __init find_ibft_region(unsigned long *sizep) /* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will * only use ACPI for this */ - if (!efi_enabled) + if (!efi_enabled(EFI_BOOT)) find_ibft_in_mem(); if (ibft_addr) { diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 1d1f1e5e33f..046bcda36ab 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -24,7 +24,7 @@ config DRM_EXYNOS_DMABUF config DRM_EXYNOS_FIMD bool "Exynos DRM FIMD" - depends on DRM_EXYNOS && !FB_S3C + depends on DRM_EXYNOS && !FB_S3C && !ARCH_MULTIPLATFORM help Choose this option if you want to use Exynos FIMD for DRM. @@ -48,7 +48,7 @@ config DRM_EXYNOS_G2D config DRM_EXYNOS_IPP bool "Exynos DRM IPP" - depends on DRM_EXYNOS + depends on DRM_EXYNOS && !ARCH_MULTIPLATFORM help Choose this option if you want to use IPP feature for DRM. diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index ab37437bad8..4c5b6859c9e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -18,7 +18,6 @@ #include "exynos_drm_drv.h" #include "exynos_drm_encoder.h" -#define MAX_EDID 256 #define to_exynos_connector(x) container_of(x, struct exynos_drm_connector,\ drm_connector) @@ -96,7 +95,9 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) to_exynos_connector(connector); struct exynos_drm_manager *manager = exynos_connector->manager; struct exynos_drm_display_ops *display_ops = manager->display_ops; - unsigned int count; + struct edid *edid = NULL; + unsigned int count = 0; + int ret; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -114,27 +115,21 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) * because lcd panel has only one mode. */ if (display_ops->get_edid) { - int ret; - void *edid; - - edid = kzalloc(MAX_EDID, GFP_KERNEL); - if (!edid) { - DRM_ERROR("failed to allocate edid\n"); - return 0; + edid = display_ops->get_edid(manager->dev, connector); + if (IS_ERR_OR_NULL(edid)) { + ret = PTR_ERR(edid); + edid = NULL; + DRM_ERROR("Panel operation get_edid failed %d\n", ret); + goto out; } - ret = display_ops->get_edid(manager->dev, connector, - edid, MAX_EDID); - if (ret < 0) { - DRM_ERROR("failed to get edid data.\n"); - kfree(edid); - edid = NULL; - return 0; + count = drm_add_edid_modes(connector, edid); + if (count < 0) { + DRM_ERROR("Add edid modes failed %d\n", count); + goto out; } drm_mode_connector_update_edid_property(connector, edid); - count = drm_add_edid_modes(connector, edid); - kfree(edid); } else { struct exynos_drm_panel_info *panel; struct drm_display_mode *mode = drm_mode_create(connector->dev); @@ -161,6 +156,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector) count = 1; } +out: + kfree(edid); return count; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index 9df97714b6c..ba0a3aa7854 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -19,6 +19,7 @@ struct exynos_drm_dmabuf_attachment { struct sg_table sgt; enum dma_data_direction dir; + bool is_mapped; }; static int exynos_gem_attach_dma_buf(struct dma_buf *dmabuf, @@ -72,17 +73,10 @@ static struct sg_table * DRM_DEBUG_PRIME("%s\n", __FILE__); - if (WARN_ON(dir == DMA_NONE)) - return ERR_PTR(-EINVAL); - /* just return current sgt if already requested. */ - if (exynos_attach->dir == dir) + if (exynos_attach->dir == dir && exynos_attach->is_mapped) return &exynos_attach->sgt; - /* reattaching is not allowed. */ - if (WARN_ON(exynos_attach->dir != DMA_NONE)) - return ERR_PTR(-EBUSY); - buf = gem_obj->buffer; if (!buf) { DRM_ERROR("buffer is null.\n"); @@ -107,13 +101,17 @@ static struct sg_table * wr = sg_next(wr); } - nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir); - if (!nents) { - DRM_ERROR("failed to map sgl with iommu.\n"); - sgt = ERR_PTR(-EIO); - goto err_unlock; + if (dir != DMA_NONE) { + nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir); + if (!nents) { + DRM_ERROR("failed to map sgl with iommu.\n"); + sg_free_table(sgt); + sgt = ERR_PTR(-EIO); + goto err_unlock; + } } + exynos_attach->is_mapped = true; exynos_attach->dir = dir; attach->priv = exynos_attach; diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index b9e51bc09e8..4606fac7241 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -148,8 +148,8 @@ struct exynos_drm_overlay { struct exynos_drm_display_ops { enum exynos_drm_output_type type; bool (*is_connected)(struct device *dev); - int (*get_edid)(struct device *dev, struct drm_connector *connector, - u8 *edid, int len); + struct edid *(*get_edid)(struct device *dev, + struct drm_connector *connector); void *(*get_panel)(struct device *dev); int (*check_timing)(struct device *dev, void *timing); int (*power_on)(struct device *dev, int mode); diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 36c3905536a..9a4c08e7453 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -324,7 +324,7 @@ out: g2d_userptr = NULL; } -dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, +static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, unsigned long userptr, unsigned long size, struct drm_file *filp, diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index 850e9950b7d..28644539b30 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -108,18 +108,17 @@ static bool drm_hdmi_is_connected(struct device *dev) return false; } -static int drm_hdmi_get_edid(struct device *dev, - struct drm_connector *connector, u8 *edid, int len) +static struct edid *drm_hdmi_get_edid(struct device *dev, + struct drm_connector *connector) { struct drm_hdmi_context *ctx = to_context(dev); DRM_DEBUG_KMS("%s\n", __FILE__); if (hdmi_ops && hdmi_ops->get_edid) - return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector, edid, - len); + return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector); - return 0; + return NULL; } static int drm_hdmi_check_timing(struct device *dev, void *timing) diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h index 784a7e9a766..d80516fc9ed 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h @@ -30,8 +30,8 @@ struct exynos_drm_hdmi_context { struct exynos_hdmi_ops { /* display */ bool (*is_connected)(void *ctx); - int (*get_edid)(void *ctx, struct drm_connector *connector, - u8 *edid, int len); + struct edid *(*get_edid)(void *ctx, + struct drm_connector *connector); int (*check_timing)(void *ctx, void *timing); int (*power_on)(void *ctx, int mode); diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index 0bda96454a0..1a556354e92 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -869,7 +869,7 @@ static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, } } -void ipp_handle_cmd_work(struct device *dev, +static void ipp_handle_cmd_work(struct device *dev, struct exynos_drm_ippdrv *ippdrv, struct drm_exynos_ipp_cmd_work *cmd_work, struct drm_exynos_ipp_cmd_node *c_node) diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index e9e83ef688f..f976e29def6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -734,7 +734,7 @@ static int rotator_remove(struct platform_device *pdev) return 0; } -struct rot_limit_table rot_limit_tbl = { +static struct rot_limit_table rot_limit_tbl = { .ycbcr420_2p = { .min_w = 32, .min_h = 32, @@ -751,7 +751,7 @@ struct rot_limit_table rot_limit_tbl = { }, }; -struct platform_device_id rotator_driver_ids[] = { +static struct platform_device_id rotator_driver_ids[] = { { .name = "exynos-rot", .driver_data = (unsigned long)&rot_limit_tbl, diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index d0ca3c4e06c..13ccbd4bcfa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -98,10 +98,12 @@ static bool vidi_display_is_connected(struct device *dev) return ctx->connected ? true : false; } -static int vidi_get_edid(struct device *dev, struct drm_connector *connector, - u8 *edid, int len) +static struct edid *vidi_get_edid(struct device *dev, + struct drm_connector *connector) { struct vidi_context *ctx = get_vidi_context(dev); + struct edid *edid; + int edid_len; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -111,13 +113,18 @@ static int vidi_get_edid(struct device *dev, struct drm_connector *connector, */ if (!ctx->raw_edid) { DRM_DEBUG_KMS("raw_edid is null.\n"); - return -EFAULT; + return ERR_PTR(-EFAULT); } - memcpy(edid, ctx->raw_edid, min((1 + ctx->raw_edid->extensions) - * EDID_LENGTH, len)); + edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH; + edid = kzalloc(edid_len, GFP_KERNEL); + if (!edid) { + DRM_DEBUG_KMS("failed to allocate edid\n"); + return ERR_PTR(-ENOMEM); + } - return 0; + memcpy(edid, ctx->raw_edid, edid_len); + return edid; } static void *vidi_get_panel(struct device *dev) @@ -514,7 +521,6 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data, struct exynos_drm_manager *manager; struct exynos_drm_display_ops *display_ops; struct drm_exynos_vidi_connection *vidi = data; - struct edid *raw_edid; int edid_len; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -551,11 +557,11 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data, } if (vidi->connection) { - if (!vidi->edid) { - DRM_DEBUG_KMS("edid data is null.\n"); + struct edid *raw_edid = (struct edid *)(uint32_t)vidi->edid; + if (!drm_edid_is_valid(raw_edid)) { + DRM_DEBUG_KMS("edid data is invalid.\n"); return -EINVAL; } - raw_edid = (struct edid *)(uint32_t)vidi->edid; edid_len = (1 + raw_edid->extensions) * EDID_LENGTH; ctx->raw_edid = kzalloc(edid_len, GFP_KERNEL); if (!ctx->raw_edid) { diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 41ff79d8ac8..fbab3c46860 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -34,7 +34,6 @@ #include <linux/regulator/consumer.h> #include <linux/io.h> #include <linux/of_gpio.h> -#include <plat/gpio-cfg.h> #include <drm/exynos_drm.h> @@ -98,8 +97,7 @@ struct hdmi_context { void __iomem *regs; void *parent_ctx; - int external_irq; - int internal_irq; + int irq; struct i2c_client *ddc_port; struct i2c_client *hdmiphy_port; @@ -1391,8 +1389,7 @@ static bool hdmi_is_connected(void *ctx) return hdata->hpd; } -static int hdmi_get_edid(void *ctx, struct drm_connector *connector, - u8 *edid, int len) +static struct edid *hdmi_get_edid(void *ctx, struct drm_connector *connector) { struct edid *raw_edid; struct hdmi_context *hdata = ctx; @@ -1400,22 +1397,18 @@ static int hdmi_get_edid(void *ctx, struct drm_connector *connector, DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); if (!hdata->ddc_port) - return -ENODEV; + return ERR_PTR(-ENODEV); raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter); - if (raw_edid) { - hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid); - memcpy(edid, raw_edid, min((1 + raw_edid->extensions) - * EDID_LENGTH, len)); - DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n", - (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"), - raw_edid->width_cm, raw_edid->height_cm); - kfree(raw_edid); - } else { - return -ENODEV; - } + if (!raw_edid) + return ERR_PTR(-ENODEV); - return 0; + hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid); + DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n", + (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"), + raw_edid->width_cm, raw_edid->height_cm); + + return raw_edid; } static int hdmi_v13_check_timing(struct fb_videomode *check_timing) @@ -1652,16 +1645,16 @@ static void hdmi_conf_reset(struct hdmi_context *hdata) /* resetting HDMI core */ hdmi_reg_writemask(hdata, reg, 0, HDMI_CORE_SW_RSTOUT); - mdelay(10); + usleep_range(10000, 12000); hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT); - mdelay(10); + usleep_range(10000, 12000); } static void hdmi_conf_init(struct hdmi_context *hdata) { struct hdmi_infoframe infoframe; - /* disable HPD interrupts */ + /* disable HPD interrupts from HDMI IP block, use GPIO instead */ hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL | HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); @@ -1779,7 +1772,7 @@ static void hdmi_v13_timing_apply(struct hdmi_context *hdata) u32 val = hdmi_reg_read(hdata, HDMI_V13_PHY_STATUS); if (val & HDMI_PHY_STATUS_READY) break; - mdelay(1); + usleep_range(1000, 2000); } /* steady state not achieved */ if (tries == 0) { @@ -1946,7 +1939,7 @@ static void hdmi_v14_timing_apply(struct hdmi_context *hdata) u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS_0); if (val & HDMI_PHY_STATUS_READY) break; - mdelay(1); + usleep_range(1000, 2000); } /* steady state not achieved */ if (tries == 0) { @@ -1998,9 +1991,9 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata) /* reset hdmiphy */ hdmi_reg_writemask(hdata, reg, ~0, HDMI_PHY_SW_RSTOUT); - mdelay(10); + usleep_range(10000, 12000); hdmi_reg_writemask(hdata, reg, 0, HDMI_PHY_SW_RSTOUT); - mdelay(10); + usleep_range(10000, 12000); } static void hdmiphy_poweron(struct hdmi_context *hdata) @@ -2048,7 +2041,7 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata) return; } - mdelay(10); + usleep_range(10000, 12000); /* operation mode */ operation[0] = 0x1f; @@ -2170,6 +2163,13 @@ static void hdmi_commit(void *ctx) DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + mutex_lock(&hdata->hdmi_mutex); + if (!hdata->powered) { + mutex_unlock(&hdata->hdmi_mutex); + return; + } + mutex_unlock(&hdata->hdmi_mutex); + hdmi_conf_apply(hdata); } @@ -2265,7 +2265,7 @@ static struct exynos_hdmi_ops hdmi_ops = { .dpms = hdmi_dpms, }; -static irqreturn_t hdmi_external_irq_thread(int irq, void *arg) +static irqreturn_t hdmi_irq_thread(int irq, void *arg) { struct exynos_drm_hdmi_context *ctx = arg; struct hdmi_context *hdata = ctx->ctx; @@ -2280,31 +2280,6 @@ static irqreturn_t hdmi_external_irq_thread(int irq, void *arg) return IRQ_HANDLED; } -static irqreturn_t hdmi_internal_irq_thread(int irq, void *arg) -{ - struct exynos_drm_hdmi_context *ctx = arg; - struct hdmi_context *hdata = ctx->ctx; - u32 intc_flag; - - intc_flag = hdmi_reg_read(hdata, HDMI_INTC_FLAG); - /* clearing flags for HPD plug/unplug */ - if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) { - DRM_DEBUG_KMS("unplugged\n"); - hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0, - HDMI_INTC_FLAG_HPD_UNPLUG); - } - if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) { - DRM_DEBUG_KMS("plugged\n"); - hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0, - HDMI_INTC_FLAG_HPD_PLUG); - } - - if (ctx->drm_dev) - drm_helper_hpd_irq_event(ctx->drm_dev); - - return IRQ_HANDLED; -} - static int hdmi_resources_init(struct hdmi_context *hdata) { struct device *dev = hdata->dev; @@ -2555,39 +2530,24 @@ static int hdmi_probe(struct platform_device *pdev) hdata->hdmiphy_port = hdmi_hdmiphy; - hdata->external_irq = gpio_to_irq(hdata->hpd_gpio); - if (hdata->external_irq < 0) { - DRM_ERROR("failed to get GPIO external irq\n"); - ret = hdata->external_irq; - goto err_hdmiphy; - } - - hdata->internal_irq = platform_get_irq(pdev, 0); - if (hdata->internal_irq < 0) { - DRM_ERROR("failed to get platform internal irq\n"); - ret = hdata->internal_irq; + hdata->irq = gpio_to_irq(hdata->hpd_gpio); + if (hdata->irq < 0) { + DRM_ERROR("failed to get GPIO irq\n"); + ret = hdata->irq; goto err_hdmiphy; } hdata->hpd = gpio_get_value(hdata->hpd_gpio); - ret = request_threaded_irq(hdata->external_irq, NULL, - hdmi_external_irq_thread, IRQF_TRIGGER_RISING | + ret = request_threaded_irq(hdata->irq, NULL, + hdmi_irq_thread, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - "hdmi_external", drm_hdmi_ctx); + "hdmi", drm_hdmi_ctx); if (ret) { - DRM_ERROR("failed to register hdmi external interrupt\n"); + DRM_ERROR("failed to register hdmi interrupt\n"); goto err_hdmiphy; } - ret = request_threaded_irq(hdata->internal_irq, NULL, - hdmi_internal_irq_thread, IRQF_ONESHOT, - "hdmi_internal", drm_hdmi_ctx); - if (ret) { - DRM_ERROR("failed to register hdmi internal interrupt\n"); - goto err_free_irq; - } - /* Attach HDMI Driver to common hdmi. */ exynos_hdmi_drv_attach(drm_hdmi_ctx); @@ -2598,8 +2558,6 @@ static int hdmi_probe(struct platform_device *pdev) return 0; -err_free_irq: - free_irq(hdata->external_irq, drm_hdmi_ctx); err_hdmiphy: i2c_del_driver(&hdmiphy_driver); err_ddc: @@ -2617,8 +2575,7 @@ static int hdmi_remove(struct platform_device *pdev) pm_runtime_disable(dev); - free_irq(hdata->internal_irq, hdata); - free_irq(hdata->external_irq, hdata); + free_irq(hdata->irq, hdata); /* hdmiphy i2c driver */ @@ -2637,8 +2594,7 @@ static int hdmi_suspend(struct device *dev) DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - disable_irq(hdata->internal_irq); - disable_irq(hdata->external_irq); + disable_irq(hdata->irq); hdata->hpd = false; if (ctx->drm_dev) @@ -2663,8 +2619,7 @@ static int hdmi_resume(struct device *dev) hdata->hpd = gpio_get_value(hdata->hpd_gpio); - enable_irq(hdata->external_irq); - enable_irq(hdata->internal_irq); + enable_irq(hdata->irq); if (!pm_runtime_suspended(dev)) { DRM_DEBUG_KMS("%s : Already resumed\n", __func__); diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index c187ea33b74..c414584bfba 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -600,7 +600,7 @@ static void vp_win_reset(struct mixer_context *ctx) /* waiting until VP_SRESET_PROCESSING is 0 */ if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING) break; - mdelay(10); + usleep_range(10000, 12000); } WARN(tries == 0, "failed to reset Video Processor\n"); } @@ -776,6 +776,13 @@ static void mixer_win_commit(void *ctx, int win) DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win); + mutex_lock(&mixer_ctx->mixer_mutex); + if (!mixer_ctx->powered) { + mutex_unlock(&mixer_ctx->mixer_mutex); + return; + } + mutex_unlock(&mixer_ctx->mixer_mutex); + if (win > 1 && mixer_ctx->vp_enabled) vp_video_buffer(mixer_ctx, win); else diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 7944d301518..9d4a2c2adf0 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -30,6 +30,7 @@ #include <linux/debugfs.h> #include <linux/slab.h> #include <linux/export.h> +#include <generated/utsrelease.h> #include <drm/drmP.h> #include "intel_drv.h" #include "intel_ringbuffer.h" @@ -690,6 +691,7 @@ static int i915_error_state(struct seq_file *m, void *unused) seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec, error->time.tv_usec); + seq_printf(m, "Kernel: " UTS_RELEASE); seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device); seq_printf(m, "EIR: 0x%08x\n", error->eir); seq_printf(m, "IER: 0x%08x\n", error->ier); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b401788e179..59afb7eb6db 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -533,6 +533,7 @@ #define MI_MODE 0x0209c # define VS_TIMER_DISPATCH (1 << 6) # define MI_FLUSH_ENABLE (1 << 12) +# define ASYNC_FLIP_PERF_DISABLE (1 << 14) #define GEN6_GT_MODE 0x20d0 #define GEN6_GT_MODE_HI (1 << 9) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index ae253e04c39..42ff97d667d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -505,13 +505,25 @@ static int init_render_ring(struct intel_ring_buffer *ring) struct drm_i915_private *dev_priv = dev->dev_private; int ret = init_ring_common(ring); - if (INTEL_INFO(dev)->gen > 3) { + if (INTEL_INFO(dev)->gen > 3) I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH)); - if (IS_GEN7(dev)) - I915_WRITE(GFX_MODE_GEN7, - _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) | - _MASKED_BIT_ENABLE(GFX_REPLAY_MODE)); - } + + /* We need to disable the AsyncFlip performance optimisations in order + * to use MI_WAIT_FOR_EVENT within the CS. It should already be + * programmed to '1' on all products. + */ + if (INTEL_INFO(dev)->gen >= 6) + I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE)); + + /* Required for the hardware to program scanline values for waiting */ + if (INTEL_INFO(dev)->gen == 6) + I915_WRITE(GFX_MODE, + _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_ALWAYS)); + + if (IS_GEN7(dev)) + I915_WRITE(GFX_MODE_GEN7, + _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) | + _MASKED_BIT_ENABLE(GFX_REPLAY_MODE)); if (INTEL_INFO(dev)->gen >= 5) { ret = init_pipe_control(ring); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 4d0e60adbc6..a2d478e8692 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1313,14 +1313,18 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) { radeon_wait_for_vblank(rdev, i); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } } else { tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) { radeon_wait_for_vblank(rdev, i); tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } } /* wait for the next frame */ @@ -1345,6 +1349,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav blackout &= ~BLACKOUT_MODE_MASK; WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1); } + /* wait for the MC to settle */ + udelay(100); } void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save) @@ -1378,11 +1384,15 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s if (ASIC_IS_DCE6(rdev)) { tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } else { tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } /* wait for the next frame */ frame_count = radeon_get_vblank_counter(rdev, i); @@ -2036,9 +2046,20 @@ static void evergreen_gpu_init(struct radeon_device *rdev) WREG32(HDP_ADDR_CONFIG, gb_addr_config); WREG32(DMA_TILING_CONFIG, gb_addr_config); - tmp = gb_addr_config & NUM_PIPES_MASK; - tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends, - EVERGREEN_MAX_BACKENDS, disabled_rb_mask); + if ((rdev->config.evergreen.max_backends == 1) && + (rdev->flags & RADEON_IS_IGP)) { + if ((disabled_rb_mask & 3) == 1) { + /* RB0 disabled, RB1 enabled */ + tmp = 0x11111111; + } else { + /* RB1 disabled, RB0 enabled */ + tmp = 0x00000000; + } + } else { + tmp = gb_addr_config & NUM_PIPES_MASK; + tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends, + EVERGREEN_MAX_BACKENDS, disabled_rb_mask); + } WREG32(GB_BACKEND_MAP, tmp); WREG32(CGTS_SYS_TCC_DISABLE, 0); diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 59acabb45c9..835992d8d06 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1216,7 +1216,7 @@ void cayman_dma_stop(struct radeon_device *rdev) int cayman_dma_resume(struct radeon_device *rdev) { struct radeon_ring *ring; - u32 rb_cntl, dma_cntl; + u32 rb_cntl, dma_cntl, ib_cntl; u32 rb_bufsz; u32 reg_offset, wb_offset; int i, r; @@ -1265,7 +1265,11 @@ int cayman_dma_resume(struct radeon_device *rdev) WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8); /* enable DMA IBs */ - WREG32(DMA_IB_CNTL + reg_offset, DMA_IB_ENABLE | CMD_VMID_FORCE); + ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE; +#ifdef __BIG_ENDIAN + ib_cntl |= DMA_IB_SWAP_ENABLE; +#endif + WREG32(DMA_IB_CNTL + reg_offset, ib_cntl); dma_cntl = RREG32(DMA_CNTL + reg_offset); dma_cntl &= ~CTXEMPTY_INT_ENABLE; diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 3cb9d608937..becb03e8b32 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1462,12 +1462,15 @@ u32 r6xx_remap_render_backend(struct radeon_device *rdev, u32 disabled_rb_mask) { u32 rendering_pipe_num, rb_num_width, req_rb_num; - u32 pipe_rb_ratio, pipe_rb_remain; + u32 pipe_rb_ratio, pipe_rb_remain, tmp; u32 data = 0, mask = 1 << (max_rb_num - 1); unsigned i, j; /* mask out the RBs that don't exist on that asic */ - disabled_rb_mask |= (0xff << max_rb_num) & 0xff; + tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff); + /* make sure at least one RB is available */ + if ((tmp & 0xff) != 0xff) + disabled_rb_mask = tmp; rendering_pipe_num = 1 << tiling_pipe_num; req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask); @@ -2313,7 +2316,7 @@ void r600_dma_stop(struct radeon_device *rdev) int r600_dma_resume(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; - u32 rb_cntl, dma_cntl; + u32 rb_cntl, dma_cntl, ib_cntl; u32 rb_bufsz; int r; @@ -2353,7 +2356,11 @@ int r600_dma_resume(struct radeon_device *rdev) WREG32(DMA_RB_BASE, ring->gpu_addr >> 8); /* enable DMA IBs */ - WREG32(DMA_IB_CNTL, DMA_IB_ENABLE); + ib_cntl = DMA_IB_ENABLE; +#ifdef __BIG_ENDIAN + ib_cntl |= DMA_IB_SWAP_ENABLE; +#endif + WREG32(DMA_IB_CNTL, ib_cntl); dma_cntl = RREG32(DMA_CNTL); dma_cntl &= ~CTXEMPTY_INT_ENABLE; diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 9056fafb00e..0b202c07fe5 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1445,7 +1445,7 @@ static struct radeon_asic cayman_asic = { .vm = { .init = &cayman_vm_init, .fini = &cayman_vm_fini, - .pt_ring_index = R600_RING_TYPE_DMA_INDEX, + .pt_ring_index = RADEON_RING_TYPE_GFX_INDEX, .set_page = &cayman_vm_set_page, }, .ring = { @@ -1572,7 +1572,7 @@ static struct radeon_asic trinity_asic = { .vm = { .init = &cayman_vm_init, .fini = &cayman_vm_fini, - .pt_ring_index = R600_RING_TYPE_DMA_INDEX, + .pt_ring_index = RADEON_RING_TYPE_GFX_INDEX, .set_page = &cayman_vm_set_page, }, .ring = { @@ -1699,7 +1699,7 @@ static struct radeon_asic si_asic = { .vm = { .init = &si_vm_init, .fini = &si_vm_fini, - .pt_ring_index = R600_RING_TYPE_DMA_INDEX, + .pt_ring_index = RADEON_RING_TYPE_GFX_INDEX, .set_page = &si_vm_set_page, }, .ring = { diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 33a56a09ff1..3e403bdda58 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -2470,6 +2470,14 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) 1), ATOM_DEVICE_CRT1_SUPPORT); } + /* RV100 board with external TDMS bit mis-set. + * Actually uses internal TMDS, clear the bit. + */ + if (dev->pdev->device == 0x5159 && + dev->pdev->subsystem_vendor == 0x1014 && + dev->pdev->subsystem_device == 0x029A) { + tmp &= ~(1 << 4); + } if ((tmp >> 4) & 0x1) { devices |= ATOM_DEVICE_DFP2_SUPPORT; radeon_add_legacy_encoder(dev, diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index 469661fd190..5407459e56d 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -286,6 +286,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) p->chunks[p->chunk_ib_idx].kpage[1] == NULL) { kfree(p->chunks[p->chunk_ib_idx].kpage[0]); kfree(p->chunks[p->chunk_ib_idx].kpage[1]); + p->chunks[p->chunk_ib_idx].kpage[0] = NULL; + p->chunks[p->chunk_ib_idx].kpage[1] = NULL; return -ENOMEM; } } diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c index ad6df625e8b..0d67674b64b 100644 --- a/drivers/gpu/drm/radeon/radeon_cursor.c +++ b/drivers/gpu/drm/radeon/radeon_cursor.c @@ -241,7 +241,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc, y = 0; } - if (ASIC_IS_AVIVO(rdev)) { + /* fixed on DCE6 and newer */ + if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) { int i = 0; struct drm_crtc *crtc_p; diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index edfc54e4184..0d6562bb0c9 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -429,7 +429,8 @@ bool radeon_card_posted(struct radeon_device *rdev) { uint32_t reg; - if (efi_enabled && rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) + if (efi_enabled(EFI_BOOT) && + rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) return false; /* first check CRTCs */ diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 1da2386d7cf..05c96fa0b05 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -1115,14 +1115,16 @@ radeon_user_framebuffer_create(struct drm_device *dev, } radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL); - if (radeon_fb == NULL) + if (radeon_fb == NULL) { + drm_gem_object_unreference_unlocked(obj); return ERR_PTR(-ENOMEM); + } ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj); if (ret) { kfree(radeon_fb); drm_gem_object_unreference_unlocked(obj); - return NULL; + return ERR_PTR(ret); } return &radeon_fb->base; diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 2430d80b187..cd72062d5a9 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -377,6 +377,9 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi { int r; + /* make sure we aren't trying to allocate more space than there is on the ring */ + if (ndw > (ring->ring_size / 4)) + return -ENOMEM; /* Align requested size with padding so unlock_commit can * pad safely */ ndw = (ndw + ring->align_mask) & ~ring->align_mask; diff --git a/drivers/gpu/drm/radeon/reg_srcs/cayman b/drivers/gpu/drm/radeon/reg_srcs/cayman index 0f656b111c1..a072fa8c46b 100644 --- a/drivers/gpu/drm/radeon/reg_srcs/cayman +++ b/drivers/gpu/drm/radeon/reg_srcs/cayman @@ -1,5 +1,6 @@ cayman 0x9400 0x0000802C GRBM_GFX_INDEX +0x00008040 WAIT_UNTIL 0x000084FC CP_STRMOUT_CNTL 0x000085F0 CP_COHER_CNTL 0x000085F4 CP_COHER_SIZE diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 2bb6d0e84b3..435ed355136 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -336,6 +336,8 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save) WREG32(R600_CITF_CNTL, blackout); } } + /* wait for the MC to settle */ + udelay(100); } void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 4dfa605e2d1..34e25471aea 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -306,6 +306,9 @@ #define USB_VENDOR_ID_EZKEY 0x0518 #define USB_DEVICE_ID_BTC_8193 0x0002 +#define USB_VENDOR_ID_FORMOSA 0x147a +#define USB_DEVICE_ID_FORMOSA_IR_RECEIVER 0xe03e + #define USB_VENDOR_ID_FREESCALE 0x15A2 #define USB_DEVICE_ID_FREESCALE_MX28 0x004F diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index 12e4fdc810b..e766b5614ef 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -540,13 +540,24 @@ static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf, { struct i2c_client *client = hid->driver_data; int report_id = buf[0]; + int ret; if (report_type == HID_INPUT_REPORT) return -EINVAL; - return i2c_hid_set_report(client, + if (report_id) { + buf++; + count--; + } + + ret = i2c_hid_set_report(client, report_type == HID_FEATURE_REPORT ? 0x03 : 0x02, report_id, buf, count); + + if (report_id && ret >= 0) + ret++; /* add report_id to the number of transfered bytes */ + + return ret; } static int i2c_hid_parse(struct hid_device *hid) diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index ac9e3522825..e0e6abf1cd3 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -70,6 +70,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET }, { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS }, diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index b9d09115788..eca28014ef3 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4234,6 +4234,21 @@ static struct iommu_ops intel_iommu_ops = { .pgsize_bitmap = INTEL_IOMMU_PGSIZES, }; +static void quirk_iommu_g4x_gfx(struct pci_dev *dev) +{ + /* G4x/GM45 integrated gfx dmar support is totally busted. */ + printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n"); + dmar_map_gfx = 0; +} + +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e10, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e20, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_g4x_gfx); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_g4x_gfx); + static void quirk_iommu_rwbf(struct pci_dev *dev) { /* @@ -4242,12 +4257,6 @@ static void quirk_iommu_rwbf(struct pci_dev *dev) */ printk(KERN_INFO "DMAR: Forcing write-buffer flush capability\n"); rwbf_quirk = 1; - - /* https://bugzilla.redhat.com/show_bug.cgi?id=538163 */ - if (dev->revision == 0x07) { - printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n"); - dmar_map_gfx = 0; - } } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_rwbf); diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 3d8984edeff..9e58dbd8d8c 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -340,24 +340,22 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size) } /* - * validate_rebuild_devices + * validate_raid_redundancy * @rs * - * Determine if the devices specified for rebuild can result in a valid - * usable array that is capable of rebuilding the given devices. + * Determine if there are enough devices in the array that haven't + * failed (or are being rebuilt) to form a usable array. * * Returns: 0 on success, -EINVAL on failure. */ -static int validate_rebuild_devices(struct raid_set *rs) +static int validate_raid_redundancy(struct raid_set *rs) { unsigned i, rebuild_cnt = 0; unsigned rebuilds_per_group, copies, d; - if (!(rs->print_flags & DMPF_REBUILD)) - return 0; - for (i = 0; i < rs->md.raid_disks; i++) - if (!test_bit(In_sync, &rs->dev[i].rdev.flags)) + if (!test_bit(In_sync, &rs->dev[i].rdev.flags) || + !rs->dev[i].rdev.sb_page) rebuild_cnt++; switch (rs->raid_type->level) { @@ -393,27 +391,24 @@ static int validate_rebuild_devices(struct raid_set *rs) * A A B B C * C D D E E */ - rebuilds_per_group = 0; for (i = 0; i < rs->md.raid_disks * copies; i++) { + if (!(i % copies)) + rebuilds_per_group = 0; d = i % rs->md.raid_disks; - if (!test_bit(In_sync, &rs->dev[d].rdev.flags) && + if ((!rs->dev[d].rdev.sb_page || + !test_bit(In_sync, &rs->dev[d].rdev.flags)) && (++rebuilds_per_group >= copies)) goto too_many; - if (!((i + 1) % copies)) - rebuilds_per_group = 0; } break; default: - DMERR("The rebuild parameter is not supported for %s", - rs->raid_type->name); - rs->ti->error = "Rebuild not supported for this RAID type"; - return -EINVAL; + if (rebuild_cnt) + return -EINVAL; } return 0; too_many: - rs->ti->error = "Too many rebuild devices specified"; return -EINVAL; } @@ -664,9 +659,6 @@ static int parse_raid_params(struct raid_set *rs, char **argv, } rs->md.dev_sectors = sectors_per_dev; - if (validate_rebuild_devices(rs)) - return -EINVAL; - /* Assume there are no metadata devices until the drives are parsed */ rs->md.persistent = 0; rs->md.external = 1; @@ -995,28 +987,10 @@ static int super_validate(struct mddev *mddev, struct md_rdev *rdev) static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs) { int ret; - unsigned redundancy = 0; struct raid_dev *dev; struct md_rdev *rdev, *tmp, *freshest; struct mddev *mddev = &rs->md; - switch (rs->raid_type->level) { - case 1: - redundancy = rs->md.raid_disks - 1; - break; - case 4: - case 5: - case 6: - redundancy = rs->raid_type->parity_devs; - break; - case 10: - redundancy = raid10_md_layout_to_copies(mddev->layout) - 1; - break; - default: - ti->error = "Unknown RAID type"; - return -EINVAL; - } - freshest = NULL; rdev_for_each_safe(rdev, tmp, mddev) { /* @@ -1045,44 +1019,43 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs) break; default: dev = container_of(rdev, struct raid_dev, rdev); - if (redundancy--) { - if (dev->meta_dev) - dm_put_device(ti, dev->meta_dev); - - dev->meta_dev = NULL; - rdev->meta_bdev = NULL; + if (dev->meta_dev) + dm_put_device(ti, dev->meta_dev); - if (rdev->sb_page) - put_page(rdev->sb_page); + dev->meta_dev = NULL; + rdev->meta_bdev = NULL; - rdev->sb_page = NULL; + if (rdev->sb_page) + put_page(rdev->sb_page); - rdev->sb_loaded = 0; + rdev->sb_page = NULL; - /* - * We might be able to salvage the data device - * even though the meta device has failed. For - * now, we behave as though '- -' had been - * set for this device in the table. - */ - if (dev->data_dev) - dm_put_device(ti, dev->data_dev); + rdev->sb_loaded = 0; - dev->data_dev = NULL; - rdev->bdev = NULL; + /* + * We might be able to salvage the data device + * even though the meta device has failed. For + * now, we behave as though '- -' had been + * set for this device in the table. + */ + if (dev->data_dev) + dm_put_device(ti, dev->data_dev); - list_del(&rdev->same_set); + dev->data_dev = NULL; + rdev->bdev = NULL; - continue; - } - ti->error = "Failed to load superblock"; - return ret; + list_del(&rdev->same_set); } } if (!freshest) return 0; + if (validate_raid_redundancy(rs)) { + rs->ti->error = "Insufficient redundancy to activate array"; + return -EINVAL; + } + /* * Validation of the freshest device provides the source of * validation for the remaining devices. @@ -1432,7 +1405,7 @@ static void raid_resume(struct dm_target *ti) static struct target_type raid_target = { .name = "raid", - .version = {1, 4, 0}, + .version = {1, 4, 1}, .module = THIS_MODULE, .ctr = raid_ctr, .dtr = raid_dtr, diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 675ae527401..5409607d487 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2746,19 +2746,9 @@ static int thin_iterate_devices(struct dm_target *ti, return 0; } -/* - * A thin device always inherits its queue limits from its pool. - */ -static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits) -{ - struct thin_c *tc = ti->private; - - *limits = bdev_get_queue(tc->pool_dev->bdev)->limits; -} - static struct target_type thin_target = { .name = "thin", - .version = {1, 6, 0}, + .version = {1, 7, 0}, .module = THIS_MODULE, .ctr = thin_ctr, .dtr = thin_dtr, @@ -2767,7 +2757,6 @@ static struct target_type thin_target = { .postsuspend = thin_postsuspend, .status = thin_status, .iterate_devices = thin_iterate_devices, - .io_hints = thin_io_hints, }; /*----------------------------------------------------------------*/ diff --git a/drivers/md/dm.c b/drivers/md/dm.c index c72e4d5a961..314a0e2faf7 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1188,6 +1188,7 @@ static int __clone_and_map_changing_extent_only(struct clone_info *ci, { struct dm_target *ti; sector_t len; + unsigned num_requests; do { ti = dm_table_find_target(ci->map, ci->sector); @@ -1200,7 +1201,8 @@ static int __clone_and_map_changing_extent_only(struct clone_info *ci, * reconfiguration might also have changed that since the * check was performed. */ - if (!get_num_requests || !get_num_requests(ti)) + num_requests = get_num_requests ? get_num_requests(ti) : 0; + if (!num_requests) return -EOPNOTSUPP; if (is_split_required && !is_split_required(ti)) @@ -1208,7 +1210,7 @@ static int __clone_and_map_changing_extent_only(struct clone_info *ci, else len = min(ci->sector_count, max_io_len(ci->sector, ti)); - __issue_target_requests(ci, ti, ti->num_discard_requests, len); + __issue_target_requests(ci, ti, num_requests, len); ci->sector += len; } while (ci->sector_count -= len); diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index c31aeb01bb0..efaecefe3f8 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -181,7 +181,6 @@ config PINCTRL_COH901 config PINCTRL_SAMSUNG bool - depends on OF && GPIOLIB select PINMUX select PINCONF diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c index 69aba369728..428ea96a94d 100644 --- a/drivers/pinctrl/mvebu/pinctrl-dove.c +++ b/drivers/pinctrl/mvebu/pinctrl-dove.c @@ -588,7 +588,7 @@ static int dove_pinctrl_probe(struct platform_device *pdev) { const struct of_device_id *match = of_match_device(dove_pinctrl_of_match, &pdev->dev); - pdev->dev.platform_data = match->data; + pdev->dev.platform_data = (void *)match->data; /* * General MPP Configuration Register is part of pdma registers. diff --git a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c index f12084e1805..cdd483df673 100644 --- a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c +++ b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c @@ -66,9 +66,9 @@ static struct mvebu_mpp_mode mv88f6xxx_mpp_modes[] = { MPP_VAR_FUNCTION(0x5, "sata0", "act", V(0, 1, 1, 1, 1, 0)), MPP_VAR_FUNCTION(0xb, "lcd", "vsync", V(0, 0, 0, 0, 1, 0))), MPP_MODE(6, - MPP_VAR_FUNCTION(0x0, "sysrst", "out", V(1, 1, 1, 1, 1, 1)), - MPP_VAR_FUNCTION(0x1, "spi", "mosi", V(1, 1, 1, 1, 1, 1)), - MPP_VAR_FUNCTION(0x2, "ptp", "trig", V(1, 1, 1, 1, 0, 0))), + MPP_VAR_FUNCTION(0x1, "sysrst", "out", V(1, 1, 1, 1, 1, 1)), + MPP_VAR_FUNCTION(0x2, "spi", "mosi", V(1, 1, 1, 1, 1, 1)), + MPP_VAR_FUNCTION(0x3, "ptp", "trig", V(1, 1, 1, 1, 0, 0))), MPP_MODE(7, MPP_VAR_FUNCTION(0x0, "gpo", NULL, V(1, 1, 1, 1, 1, 1)), MPP_VAR_FUNCTION(0x1, "pex", "rsto", V(1, 1, 1, 1, 0, 1)), @@ -458,7 +458,7 @@ static int kirkwood_pinctrl_probe(struct platform_device *pdev) { const struct of_device_id *match = of_match_device(kirkwood_pinctrl_of_match, &pdev->dev); - pdev->dev.platform_data = match->data; + pdev->dev.platform_data = (void *)match->data; return mvebu_pinctrl_probe(pdev); } diff --git a/drivers/pinctrl/pinctrl-exynos5440.c b/drivers/pinctrl/pinctrl-exynos5440.c index de05b64f0da..142729914c3 100644 --- a/drivers/pinctrl/pinctrl-exynos5440.c +++ b/drivers/pinctrl/pinctrl-exynos5440.c @@ -599,7 +599,7 @@ static int exynos5440_gpio_direction_output(struct gpio_chip *gc, unsigned offse } /* parse the pin numbers listed in the 'samsung,exynos5440-pins' property */ -static int __init exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev, +static int exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev, struct device_node *cfg_np, unsigned int **pin_list, unsigned int *npins) { @@ -630,7 +630,7 @@ static int __init exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev, * Parse the information about all the available pin groups and pin functions * from device node of the pin-controller. */ -static int __init exynos5440_pinctrl_parse_dt(struct platform_device *pdev, +static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev, struct exynos5440_pinctrl_priv_data *priv) { struct device *dev = &pdev->dev; @@ -723,7 +723,7 @@ static int __init exynos5440_pinctrl_parse_dt(struct platform_device *pdev, } /* register the pinctrl interface with the pinctrl subsystem */ -static int __init exynos5440_pinctrl_register(struct platform_device *pdev, +static int exynos5440_pinctrl_register(struct platform_device *pdev, struct exynos5440_pinctrl_priv_data *priv) { struct device *dev = &pdev->dev; @@ -798,7 +798,7 @@ static int __init exynos5440_pinctrl_register(struct platform_device *pdev, } /* register the gpiolib interface with the gpiolib subsystem */ -static int __init exynos5440_gpiolib_register(struct platform_device *pdev, +static int exynos5440_gpiolib_register(struct platform_device *pdev, struct exynos5440_pinctrl_priv_data *priv) { struct gpio_chip *gc; @@ -831,7 +831,7 @@ static int __init exynos5440_gpiolib_register(struct platform_device *pdev, } /* unregister the gpiolib interface with the gpiolib subsystem */ -static int __init exynos5440_gpiolib_unregister(struct platform_device *pdev, +static int exynos5440_gpiolib_unregister(struct platform_device *pdev, struct exynos5440_pinctrl_priv_data *priv) { int ret = gpiochip_remove(priv->gc); diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c index dd227d21dcf..23af9f1f9c3 100644 --- a/drivers/pinctrl/pinctrl-mxs.c +++ b/drivers/pinctrl/pinctrl-mxs.c @@ -146,7 +146,7 @@ free: static void mxs_dt_free_map(struct pinctrl_dev *pctldev, struct pinctrl_map *map, unsigned num_maps) { - int i; + u32 i; for (i = 0; i < num_maps; i++) { if (map[i].type == PIN_MAP_TYPE_MUX_GROUP) @@ -203,7 +203,7 @@ static int mxs_pinctrl_enable(struct pinctrl_dev *pctldev, unsigned selector, void __iomem *reg; u8 bank, shift; u16 pin; - int i; + u32 i; for (i = 0; i < g->npins; i++) { bank = PINID_TO_BANK(g->pins[i]); @@ -256,7 +256,7 @@ static int mxs_pinconf_group_set(struct pinctrl_dev *pctldev, void __iomem *reg; u8 ma, vol, pull, bank, shift; u16 pin; - int i; + u32 i; ma = CONFIG_TO_MA(config); vol = CONFIG_TO_VOL(config); @@ -345,8 +345,7 @@ static int mxs_pinctrl_parse_group(struct platform_device *pdev, const char *propname = "fsl,pinmux-ids"; char *group; int length = strlen(np->name) + SUFFIX_LEN; - int i; - u32 val; + u32 val, i; group = devm_kzalloc(&pdev->dev, length, GFP_KERNEL); if (!group) diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index 1bb16ffb4e4..5767b18ebdf 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -676,7 +676,7 @@ int nmk_gpio_set_mode(int gpio, int gpio_mode) } EXPORT_SYMBOL(nmk_gpio_set_mode); -static int nmk_prcm_gpiocr_get_mode(struct pinctrl_dev *pctldev, int gpio) +static int __maybe_unused nmk_prcm_gpiocr_get_mode(struct pinctrl_dev *pctldev, int gpio) { int i; u16 reg; diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index f6a360b86eb..5c32e880bcb 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -30,7 +30,6 @@ #define PCS_MUX_BITS_NAME "pinctrl-single,bits" #define PCS_REG_NAME_LEN ((sizeof(unsigned long) * 2) + 1) #define PCS_OFF_DISABLED ~0U -#define PCS_MAX_GPIO_VALUES 2 /** * struct pcs_pingroup - pingroups for a function @@ -78,16 +77,6 @@ struct pcs_function { }; /** - * struct pcs_gpio_range - pinctrl gpio range - * @range: subrange of the GPIO number space - * @gpio_func: gpio function value in the pinmux register - */ -struct pcs_gpio_range { - struct pinctrl_gpio_range range; - int gpio_func; -}; - -/** * struct pcs_data - wrapper for data needed by pinctrl framework * @pa: pindesc array * @cur: index to current element @@ -414,26 +403,9 @@ static void pcs_disable(struct pinctrl_dev *pctldev, unsigned fselector, } static int pcs_request_gpio(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, unsigned pin) + struct pinctrl_gpio_range *range, unsigned offset) { - struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev); - struct pcs_gpio_range *gpio = NULL; - int end, mux_bytes; - unsigned data; - - gpio = container_of(range, struct pcs_gpio_range, range); - end = range->pin_base + range->npins - 1; - if (pin < range->pin_base || pin > end) { - dev_err(pctldev->dev, - "pin %d isn't in the range of %d to %d\n", - pin, range->pin_base, end); - return -EINVAL; - } - mux_bytes = pcs->width / BITS_PER_BYTE; - data = pcs->read(pcs->base + pin * mux_bytes) & ~pcs->fmask; - data |= gpio->gpio_func; - pcs->write(data, pcs->base + pin * mux_bytes); - return 0; + return -ENOTSUPP; } static struct pinmux_ops pcs_pinmux_ops = { @@ -907,49 +879,6 @@ static void pcs_free_resources(struct pcs_device *pcs) static struct of_device_id pcs_of_match[]; -static int pcs_add_gpio_range(struct device_node *node, struct pcs_device *pcs) -{ - struct pcs_gpio_range *gpio; - struct device_node *child; - struct resource r; - const char name[] = "pinctrl-single"; - u32 gpiores[PCS_MAX_GPIO_VALUES]; - int ret, i = 0, mux_bytes = 0; - - for_each_child_of_node(node, child) { - ret = of_address_to_resource(child, 0, &r); - if (ret < 0) - continue; - memset(gpiores, 0, sizeof(u32) * PCS_MAX_GPIO_VALUES); - ret = of_property_read_u32_array(child, "pinctrl-single,gpio", - gpiores, PCS_MAX_GPIO_VALUES); - if (ret < 0) - continue; - gpio = devm_kzalloc(pcs->dev, sizeof(*gpio), GFP_KERNEL); - if (!gpio) { - dev_err(pcs->dev, "failed to allocate pcs gpio\n"); - return -ENOMEM; - } - gpio->range.name = devm_kzalloc(pcs->dev, sizeof(name), - GFP_KERNEL); - if (!gpio->range.name) { - dev_err(pcs->dev, "failed to allocate range name\n"); - return -ENOMEM; - } - memcpy((char *)gpio->range.name, name, sizeof(name)); - - gpio->range.id = i++; - gpio->range.base = gpiores[0]; - gpio->gpio_func = gpiores[1]; - mux_bytes = pcs->width / BITS_PER_BYTE; - gpio->range.pin_base = (r.start - pcs->res->start) / mux_bytes; - gpio->range.npins = (r.end - r.start) / mux_bytes + 1; - - pinctrl_add_gpio_range(pcs->pctl, &gpio->range); - } - return 0; -} - static int pcs_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -1046,10 +975,6 @@ static int pcs_probe(struct platform_device *pdev) goto free; } - ret = pcs_add_gpio_range(np, pcs); - if (ret < 0) - goto free; - dev_info(pcs->dev, "%i pins at pa %p size %u\n", pcs->desc.npins, pcs->base, pcs->size); diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c index 7481146a5b4..97c2be195ef 100644 --- a/drivers/platform/x86/ibm_rtl.c +++ b/drivers/platform/x86/ibm_rtl.c @@ -244,7 +244,7 @@ static int __init ibm_rtl_init(void) { if (force) pr_warn("module loaded by force\n"); /* first ensure that we are running on IBM HW */ - else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table)) + else if (efi_enabled(EFI_BOOT) || !dmi_check_system(ibm_rtl_dmi_table)) return -ENODEV; /* Get the address for the Extended BIOS Data Area */ diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c index 71623a2ff3e..d1f03005317 100644 --- a/drivers/platform/x86/samsung-laptop.c +++ b/drivers/platform/x86/samsung-laptop.c @@ -26,6 +26,7 @@ #include <linux/seq_file.h> #include <linux/debugfs.h> #include <linux/ctype.h> +#include <linux/efi.h> #include <acpi/video.h> /* @@ -1544,6 +1545,9 @@ static int __init samsung_init(void) struct samsung_laptop *samsung; int ret; + if (efi_enabled(EFI_BOOT)) + return -ENODEV; + quirks = &samsung_unknown; if (!force && !dmi_check_system(samsung_dmi_table)) return -ENODEV; diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c index 261f3d2299b..89bd2faaef8 100644 --- a/drivers/regulator/dbx500-prcmu.c +++ b/drivers/regulator/dbx500-prcmu.c @@ -14,6 +14,7 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/slab.h> +#include <linux/module.h> #include "dbx500-prcmu.h" diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c index b15d711bc8c..9019d0e7ecb 100644 --- a/drivers/regulator/tps80031-regulator.c +++ b/drivers/regulator/tps80031-regulator.c @@ -728,7 +728,7 @@ static int tps80031_regulator_probe(struct platform_device *pdev) } } rdev = regulator_register(&ri->rinfo->desc, &config); - if (IS_ERR_OR_NULL(rdev)) { + if (IS_ERR(rdev)) { dev_err(&pdev->dev, "register regulator failed %s\n", ri->rinfo->desc.name); diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index d73fdcfeb45..2839baa82a5 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -633,7 +633,7 @@ static int isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) return -ENOMEM; pci_set_drvdata(pdev, pci_info); - if (efi_enabled) + if (efi_enabled(EFI_RUNTIME_SERVICES)) orom = isci_get_efi_var(pdev); if (!orom) diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index e2695101bb9..f2aa7543d20 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -941,6 +941,8 @@ int se_dev_set_queue_depth(struct se_device *dev, u32 queue_depth) int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors) { + int block_size = dev->dev_attrib.block_size; + if (dev->export_count) { pr_err("dev[%p]: Unable to change SE Device" " fabric_max_sectors while export_count is %d\n", @@ -978,8 +980,12 @@ int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors) /* * Align max_sectors down to PAGE_SIZE to follow transport_allocate_data_tasks() */ + if (!block_size) { + block_size = 512; + pr_warn("Defaulting to 512 for zero block_size\n"); + } fabric_max_sectors = se_dev_align_max_sectors(fabric_max_sectors, - dev->dev_attrib.block_size); + block_size); dev->dev_attrib.fabric_max_sectors = fabric_max_sectors; pr_debug("dev[%p]: SE Device max_sectors changed to %u\n", diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index 810263dfa4a..c57bbbc7a7d 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -754,6 +754,11 @@ static int target_fabric_port_link( return -EFAULT; } + if (!(dev->dev_flags & DF_CONFIGURED)) { + pr_err("se_device not configured yet, cannot port link\n"); + return -ENODEV; + } + tpg_ci = &lun_ci->ci_parent->ci_group->cg_item; se_tpg = container_of(to_config_group(tpg_ci), struct se_portal_group, tpg_group); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 26a6d183ccb..a664c664a31 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -58,11 +58,10 @@ sbc_emulate_readcapacity(struct se_cmd *cmd) buf[7] = dev->dev_attrib.block_size & 0xff; rbuf = transport_kmap_data_sg(cmd); - if (!rbuf) - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - - memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd(cmd, GOOD); return 0; @@ -97,11 +96,10 @@ sbc_emulate_readcapacity_16(struct se_cmd *cmd) buf[14] = 0x80; rbuf = transport_kmap_data_sg(cmd); - if (!rbuf) - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - - memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd(cmd, GOOD); return 0; diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 84f9e96e8ac..2d88f087d96 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -641,11 +641,10 @@ spc_emulate_inquiry(struct se_cmd *cmd) out: rbuf = transport_kmap_data_sg(cmd); - if (!rbuf) - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - - memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } if (!ret) target_complete_cmd(cmd, GOOD); @@ -851,7 +850,7 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; char *cdb = cmd->t_task_cdb; - unsigned char *buf, *map_buf; + unsigned char buf[SE_MODE_PAGE_BUF], *rbuf; int type = dev->transport->get_device_type(dev); int ten = (cmd->t_task_cdb[0] == MODE_SENSE_10); bool dbd = !!(cdb[1] & 0x08); @@ -863,26 +862,8 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) int ret; int i; - map_buf = transport_kmap_data_sg(cmd); - if (!map_buf) - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - /* - * If SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is not set, then we - * know we actually allocated a full page. Otherwise, if the - * data buffer is too small, allocate a temporary buffer so we - * don't have to worry about overruns in all our INQUIRY - * emulation handling. - */ - if (cmd->data_length < SE_MODE_PAGE_BUF && - (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC)) { - buf = kzalloc(SE_MODE_PAGE_BUF, GFP_KERNEL); - if (!buf) { - transport_kunmap_data_sg(cmd); - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - } - } else { - buf = map_buf; - } + memset(buf, 0, SE_MODE_PAGE_BUF); + /* * Skip over MODE DATA LENGTH + MEDIUM TYPE fields to byte 3 for * MODE_SENSE_10 and byte 2 for MODE_SENSE (6). @@ -934,8 +915,6 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) if (page == 0x3f) { if (subpage != 0x00 && subpage != 0xff) { pr_warn("MODE_SENSE: Invalid subpage code: 0x%02x\n", subpage); - kfree(buf); - transport_kunmap_data_sg(cmd); return TCM_INVALID_CDB_FIELD; } @@ -972,7 +951,6 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n", page, subpage); - transport_kunmap_data_sg(cmd); return TCM_UNKNOWN_MODE_PAGE; set_length: @@ -981,12 +959,12 @@ set_length: else buf[0] = length - 1; - if (buf != map_buf) { - memcpy(map_buf, buf, cmd->data_length); - kfree(buf); + rbuf = transport_kmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, SE_MODE_PAGE_BUF, cmd->data_length)); + transport_kunmap_data_sg(cmd); } - transport_kunmap_data_sg(cmd); target_complete_cmd(cmd, GOOD); return 0; } diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c index b20df5c829f..22321cf84fb 100644 --- a/drivers/vhost/tcm_vhost.c +++ b/drivers/vhost/tcm_vhost.c @@ -575,10 +575,8 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs) /* Must use ioctl VHOST_SCSI_SET_ENDPOINT */ tv_tpg = vs->vs_tpg; - if (unlikely(!tv_tpg)) { - pr_err("%s endpoint not set\n", __func__); + if (unlikely(!tv_tpg)) return; - } mutex_lock(&vq->mutex); vhost_disable_notify(&vs->dev, vq); diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index dd057bc6b65..fc8dc20fdeb 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -177,11 +177,31 @@ out_nofree: return mnt; } +static int +nfs_namespace_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) +{ + if (NFS_FH(dentry->d_inode)->size != 0) + return nfs_getattr(mnt, dentry, stat); + generic_fillattr(dentry->d_inode, stat); + return 0; +} + +static int +nfs_namespace_setattr(struct dentry *dentry, struct iattr *attr) +{ + if (NFS_FH(dentry->d_inode)->size != 0) + return nfs_setattr(dentry, attr); + return -EACCES; +} + const struct inode_operations nfs_mountpoint_inode_operations = { .getattr = nfs_getattr, + .setattr = nfs_setattr, }; const struct inode_operations nfs_referral_inode_operations = { + .getattr = nfs_namespace_getattr, + .setattr = nfs_namespace_setattr, }; static void nfs_expire_automounts(struct work_struct *work) diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index acc34726812..2e9779b58b7 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -236,11 +236,10 @@ struct nfs_client *nfs4_init_client(struct nfs_client *clp, error = nfs4_discover_server_trunking(clp, &old); if (error < 0) goto error; + nfs_put_client(clp); if (clp != old) { clp->cl_preserve_clid = true; - nfs_put_client(clp); clp = old; - atomic_inc(&clp->cl_count); } return clp; @@ -306,7 +305,7 @@ int nfs40_walk_client_list(struct nfs_client *new, .clientid = new->cl_clientid, .confirm = new->cl_confirm, }; - int status; + int status = -NFS4ERR_STALE_CLIENTID; spin_lock(&nn->nfs_client_lock); list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) { @@ -332,40 +331,33 @@ int nfs40_walk_client_list(struct nfs_client *new, if (prev) nfs_put_client(prev); + prev = pos; status = nfs4_proc_setclientid_confirm(pos, &clid, cred); - if (status == 0) { + switch (status) { + case -NFS4ERR_STALE_CLIENTID: + break; + case 0: nfs4_swap_callback_idents(pos, new); - nfs_put_client(pos); + prev = NULL; *result = pos; dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n", __func__, pos, atomic_read(&pos->cl_count)); - return 0; - } - if (status != -NFS4ERR_STALE_CLIENTID) { - nfs_put_client(pos); - dprintk("NFS: <-- %s status = %d, no result\n", - __func__, status); - return status; + default: + goto out; } spin_lock(&nn->nfs_client_lock); - prev = pos; } + spin_unlock(&nn->nfs_client_lock); - /* - * No matching nfs_client found. This should be impossible, - * because the new nfs_client has already been added to - * nfs_client_list by nfs_get_client(). - * - * Don't BUG(), since the caller is holding a mutex. - */ + /* No match found. The server lost our clientid */ +out: if (prev) nfs_put_client(prev); - spin_unlock(&nn->nfs_client_lock); - pr_err("NFS: %s Error: no matching nfs_client found\n", __func__); - return -NFS4ERR_STALE_CLIENTID; + dprintk("NFS: <-- %s status = %d\n", __func__, status); + return status; } #ifdef CONFIG_NFS_V4_1 @@ -432,7 +424,7 @@ int nfs41_walk_client_list(struct nfs_client *new, { struct nfs_net *nn = net_generic(new->cl_net, nfs_net_id); struct nfs_client *pos, *n, *prev = NULL; - int error; + int status = -NFS4ERR_STALE_CLIENTID; spin_lock(&nn->nfs_client_lock); list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) { @@ -448,14 +440,17 @@ int nfs41_walk_client_list(struct nfs_client *new, nfs_put_client(prev); prev = pos; - error = nfs_wait_client_init_complete(pos); - if (error < 0) { + nfs4_schedule_lease_recovery(pos); + status = nfs_wait_client_init_complete(pos); + if (status < 0) { nfs_put_client(pos); spin_lock(&nn->nfs_client_lock); continue; } - + status = pos->cl_cons_state; spin_lock(&nn->nfs_client_lock); + if (status < 0) + continue; } if (pos->rpc_ops != new->rpc_ops) @@ -473,6 +468,7 @@ int nfs41_walk_client_list(struct nfs_client *new, if (!nfs4_match_serverowners(pos, new)) continue; + atomic_inc(&pos->cl_count); spin_unlock(&nn->nfs_client_lock); dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n", __func__, pos, atomic_read(&pos->cl_count)); @@ -481,16 +477,10 @@ int nfs41_walk_client_list(struct nfs_client *new, return 0; } - /* - * No matching nfs_client found. This should be impossible, - * because the new nfs_client has already been added to - * nfs_client_list by nfs_get_client(). - * - * Don't BUG(), since the caller is holding a mutex. - */ + /* No matching nfs_client found. */ spin_unlock(&nn->nfs_client_lock); - pr_err("NFS: %s Error: no matching nfs_client found\n", __func__); - return -NFS4ERR_STALE_CLIENTID; + dprintk("NFS: <-- %s status = %d\n", __func__, status); + return status; } #endif /* CONFIG_NFS_V4_1 */ diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 9448c579d41..e61f68d5ef2 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -136,16 +136,11 @@ int nfs40_discover_server_trunking(struct nfs_client *clp, clp->cl_confirm = clid.confirm; status = nfs40_walk_client_list(clp, result, cred); - switch (status) { - case -NFS4ERR_STALE_CLIENTID: - set_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); - case 0: + if (status == 0) { /* Sustain the lease, even if it's empty. If the clientid4 * goes stale it's of no use for trunking discovery. */ nfs4_schedule_state_renewal(*result); - break; } - out: return status; } @@ -1863,6 +1858,7 @@ again: case -ETIMEDOUT: case -EAGAIN: ssleep(1); + case -NFS4ERR_STALE_CLIENTID: dprintk("NFS: %s after status %d, retrying\n", __func__, status); goto again; @@ -2022,8 +2018,18 @@ static int nfs4_reset_session(struct nfs_client *clp) nfs4_begin_drain_session(clp); cred = nfs4_get_exchange_id_cred(clp); status = nfs4_proc_destroy_session(clp->cl_session, cred); - if (status && status != -NFS4ERR_BADSESSION && - status != -NFS4ERR_DEADSESSION) { + switch (status) { + case 0: + case -NFS4ERR_BADSESSION: + case -NFS4ERR_DEADSESSION: + break; + case -NFS4ERR_BACK_CHAN_BUSY: + case -NFS4ERR_DELAY: + set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state); + status = 0; + ssleep(1); + goto out; + default: status = nfs4_recovery_handle_error(clp, status); goto out; } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2e7e8c878e5..b056b162872 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2589,27 +2589,23 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags, struct nfs_server *server; struct dentry *mntroot = ERR_PTR(-ENOMEM); struct nfs_subversion *nfs_mod = NFS_SB(data->sb)->nfs_client->cl_nfs_mod; - int error; - dprintk("--> nfs_xdev_mount_common()\n"); + dprintk("--> nfs_xdev_mount()\n"); mount_info.mntfh = mount_info.cloned->fh; /* create a new volume representation */ server = nfs_mod->rpc_ops->clone_server(NFS_SB(data->sb), data->fh, data->fattr, data->authflavor); - if (IS_ERR(server)) { - error = PTR_ERR(server); - goto out_err; - } - mntroot = nfs_fs_mount_common(server, flags, dev_name, &mount_info, nfs_mod); - dprintk("<-- nfs_xdev_mount_common() = 0\n"); -out: - return mntroot; + if (IS_ERR(server)) + mntroot = ERR_CAST(server); + else + mntroot = nfs_fs_mount_common(server, flags, + dev_name, &mount_info, nfs_mod); -out_err: - dprintk("<-- nfs_xdev_mount_common() = %d [error]\n", error); - goto out; + dprintk("<-- nfs_xdev_mount() = %ld\n", + IS_ERR(mntroot) ? PTR_ERR(mntroot) : 0L); + return mntroot; } #if IS_ENABLED(CONFIG_NFS_V4) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 4111a40ebe1..5f707e53717 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -86,11 +86,11 @@ xfs_destroy_ioend( } if (ioend->io_iocb) { + inode_dio_done(ioend->io_inode); if (ioend->io_isasync) { aio_complete(ioend->io_iocb, ioend->io_error ? ioend->io_error : ioend->io_result, 0); } - inode_dio_done(ioend->io_inode); } mempool_free(ioend, xfs_ioend_pool); diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 0e92d12765d..cdb2d334858 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -4680,9 +4680,6 @@ __xfs_bmapi_allocate( return error; } - if (bma->flags & XFS_BMAPI_STACK_SWITCH) - bma->stack_switch = 1; - error = xfs_bmap_alloc(bma); if (error) return error; @@ -4956,6 +4953,9 @@ xfs_bmapi_write( bma.flist = flist; bma.firstblock = firstblock; + if (flags & XFS_BMAPI_STACK_SWITCH) + bma.stack_switch = 1; + while (bno < end && n < *nmap) { inhole = eof || bma.got.br_startoff > bno; wasdelay = !inhole && isnullstartblock(bma.got.br_startblock); diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 56d1614760c..fbbb9eb92e3 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -487,6 +487,7 @@ _xfs_buf_find( struct rb_node *parent; xfs_buf_t *bp; xfs_daddr_t blkno = map[0].bm_bn; + xfs_daddr_t eofs; int numblks = 0; int i; @@ -498,6 +499,23 @@ _xfs_buf_find( ASSERT(!(numbytes < (1 << btp->bt_sshift))); ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_smask)); + /* + * Corrupted block numbers can get through to here, unfortunately, so we + * have to check that the buffer falls within the filesystem bounds. + */ + eofs = XFS_FSB_TO_BB(btp->bt_mount, btp->bt_mount->m_sb.sb_dblocks); + if (blkno >= eofs) { + /* + * XXX (dgc): we should really be returning EFSCORRUPTED here, + * but none of the higher level infrastructure supports + * returning a specific error on buffer lookup failures. + */ + xfs_alert(btp->bt_mount, + "%s: Block out of range: block 0x%llx, EOFS 0x%llx ", + __func__, blkno, eofs); + return NULL; + } + /* get tree root */ pag = xfs_perag_get(btp->bt_mount, xfs_daddr_to_agno(btp->bt_mount, blkno)); @@ -1487,6 +1505,8 @@ restart: while (!list_empty(&btp->bt_lru)) { bp = list_first_entry(&btp->bt_lru, struct xfs_buf, b_lru); if (atomic_read(&bp->b_hold) > 1) { + trace_xfs_buf_wait_buftarg(bp, _RET_IP_); + list_move_tail(&bp->b_lru, &btp->bt_lru); spin_unlock(&btp->bt_lru_lock); delay(100); goto restart; diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 77b09750e92..3f9949fee39 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -652,7 +652,10 @@ xfs_buf_item_unlock( /* * If the buf item isn't tracking any data, free it, otherwise drop the - * reference we hold to it. + * reference we hold to it. If we are aborting the transaction, this may + * be the only reference to the buf item, so we free it anyway + * regardless of whether it is dirty or not. A dirty abort implies a + * shutdown, anyway. */ clean = 1; for (i = 0; i < bip->bli_format_count; i++) { @@ -664,7 +667,12 @@ xfs_buf_item_unlock( } if (clean) xfs_buf_item_relse(bp); - else + else if (aborted) { + if (atomic_dec_and_test(&bip->bli_refcount)) { + ASSERT(XFS_FORCED_SHUTDOWN(lip->li_mountp)); + xfs_buf_item_relse(bp); + } + } else atomic_dec(&bip->bli_refcount); if (!hold) diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c index d0e9c74d3d9..a8bd26b82ec 100644 --- a/fs/xfs/xfs_dfrag.c +++ b/fs/xfs/xfs_dfrag.c @@ -246,10 +246,10 @@ xfs_swap_extents( goto out_unlock; } - error = -filemap_write_and_wait(VFS_I(ip)->i_mapping); + error = -filemap_write_and_wait(VFS_I(tip)->i_mapping); if (error) goto out_unlock; - truncate_pagecache_range(VFS_I(ip), 0, -1); + truncate_pagecache_range(VFS_I(tip), 0, -1); /* Verify O_DIRECT for ftmp */ if (VN_CACHED(VFS_I(tip)) != 0) { diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index add06b4e9a6..364818eef40 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -351,6 +351,15 @@ xfs_iomap_prealloc_size( } if (shift) alloc_blocks >>= shift; + + /* + * If we are still trying to allocate more space than is + * available, squash the prealloc hard. This can happen if we + * have a large file on a small filesystem and the above + * lowspace thresholds are smaller than MAXEXTLEN. + */ + while (alloc_blocks >= freesp) + alloc_blocks >>= 4; } if (alloc_blocks < mp->m_writeio_blocks) diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index da508463ff1..7d6df7c00c3 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -658,7 +658,7 @@ xfs_sb_quiet_read_verify( return; } /* quietly fail */ - xfs_buf_ioerror(bp, EFSCORRUPTED); + xfs_buf_ioerror(bp, EWRONGFS); } static void diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 2e137d4a85a..16a812977ea 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -341,6 +341,7 @@ DEFINE_BUF_EVENT(xfs_buf_item_relse); DEFINE_BUF_EVENT(xfs_buf_item_iodone); DEFINE_BUF_EVENT(xfs_buf_item_iodone_async); DEFINE_BUF_EVENT(xfs_buf_error_relse); +DEFINE_BUF_EVENT(xfs_buf_wait_buftarg); DEFINE_BUF_EVENT(xfs_trans_read_buf_io); DEFINE_BUF_EVENT(xfs_trans_read_buf_shut); diff --git a/include/linux/efi.h b/include/linux/efi.h index 8b84916dc67..7a9498ab3c2 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -618,18 +618,30 @@ extern int __init efi_setup_pcdp_console(char *); #endif /* - * We play games with efi_enabled so that the compiler will, if possible, remove - * EFI-related code altogether. + * We play games with efi_enabled so that the compiler will, if + * possible, remove EFI-related code altogether. */ +#define EFI_BOOT 0 /* Were we booted from EFI? */ +#define EFI_SYSTEM_TABLES 1 /* Can we use EFI system tables? */ +#define EFI_CONFIG_TABLES 2 /* Can we use EFI config tables? */ +#define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */ +#define EFI_MEMMAP 4 /* Can we use EFI memory map? */ +#define EFI_64BIT 5 /* Is the firmware 64-bit? */ + #ifdef CONFIG_EFI # ifdef CONFIG_X86 - extern int efi_enabled; - extern bool efi_64bit; +extern int efi_enabled(int facility); # else -# define efi_enabled 1 +static inline int efi_enabled(int facility) +{ + return 1; +} # endif #else -# define efi_enabled 0 +static inline int efi_enabled(int facility) +{ + return 0; +} #endif /* diff --git a/init/main.c b/init/main.c index 92d728a32d5..cee4b5c66d8 100644 --- a/init/main.c +++ b/init/main.c @@ -604,7 +604,7 @@ asmlinkage void __init start_kernel(void) pidmap_init(); anon_vma_init(); #ifdef CONFIG_X86 - if (efi_enabled) + if (efi_enabled(EFI_RUNTIME_SERVICES)) efi_enter_virtual_mode(); #endif thread_info_cache_init(); @@ -632,7 +632,7 @@ asmlinkage void __init start_kernel(void) acpi_early_init(); /* before LAPIC and SMP init */ sfi_init_late(); - if (efi_enabled) { + if (efi_enabled(EFI_RUNTIME_SERVICES)) { efi_late_init(); efi_free_boot_services(); } diff --git a/kernel/printk.c b/kernel/printk.c index 357f714ddd4..267ce780abe 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -87,12 +87,6 @@ static DEFINE_SEMAPHORE(console_sem); struct console *console_drivers; EXPORT_SYMBOL_GPL(console_drivers); -#ifdef CONFIG_LOCKDEP -static struct lockdep_map console_lock_dep_map = { - .name = "console_lock" -}; -#endif - /* * This is used for debugging the mess that is the VT code by * keeping track if we have the console semaphore held. It's @@ -1924,7 +1918,6 @@ void console_lock(void) return; console_locked = 1; console_may_schedule = 1; - mutex_acquire(&console_lock_dep_map, 0, 0, _RET_IP_); } EXPORT_SYMBOL(console_lock); @@ -1946,7 +1939,6 @@ int console_trylock(void) } console_locked = 1; console_may_schedule = 0; - mutex_acquire(&console_lock_dep_map, 0, 1, _RET_IP_); return 1; } EXPORT_SYMBOL(console_trylock); @@ -2107,7 +2099,6 @@ skip: local_irq_restore(flags); } console_locked = 0; - mutex_release(&console_lock_dep_map, 1, _RET_IP_); /* Release the exclusive_console once it is used */ if (unlikely(exclusive_console)) diff --git a/kernel/smp.c b/kernel/smp.c index 29dd40a9f2f..69f38bd98b4 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -33,6 +33,7 @@ struct call_function_data { struct call_single_data csd; atomic_t refs; cpumask_var_t cpumask; + cpumask_var_t cpumask_ipi; }; static DEFINE_PER_CPU_SHARED_ALIGNED(struct call_function_data, cfd_data); @@ -56,6 +57,9 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu) if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL, cpu_to_node(cpu))) return notifier_from_errno(-ENOMEM); + if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL, + cpu_to_node(cpu))) + return notifier_from_errno(-ENOMEM); break; #ifdef CONFIG_HOTPLUG_CPU @@ -65,6 +69,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu) case CPU_DEAD: case CPU_DEAD_FROZEN: free_cpumask_var(cfd->cpumask); + free_cpumask_var(cfd->cpumask_ipi); break; #endif }; @@ -526,6 +531,12 @@ void smp_call_function_many(const struct cpumask *mask, return; } + /* + * After we put an entry into the list, data->cpumask + * may be cleared again when another CPU sends another IPI for + * a SMP function call, so data->cpumask will be zero. + */ + cpumask_copy(data->cpumask_ipi, data->cpumask); raw_spin_lock_irqsave(&call_function.lock, flags); /* * Place entry at the _HEAD_ of the list, so that any cpu still @@ -549,7 +560,7 @@ void smp_call_function_many(const struct cpumask *mask, smp_mb(); /* Send a message to all CPUs in the map */ - arch_send_call_function_ipi_mask(data->cpumask); + arch_send_call_function_ipi_mask(data->cpumask_ipi); /* Optionally wait for the CPUs to complete */ if (wait) diff --git a/lib/digsig.c b/lib/digsig.c index 8c0e62975c8..dc2be7ed176 100644 --- a/lib/digsig.c +++ b/lib/digsig.c @@ -162,6 +162,8 @@ static int digsig_verify_rsa(struct key *key, memset(out1, 0, head); memcpy(out1 + head, p, l); + kfree(p); + err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len); if (err) goto err; diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index bfa31714581..fb20f25ddec 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -98,9 +98,25 @@ __rpc_add_timer(struct rpc_wait_queue *queue, struct rpc_task *task) list_add(&task->u.tk_wait.timer_list, &queue->timer_list.list); } +static void rpc_rotate_queue_owner(struct rpc_wait_queue *queue) +{ + struct list_head *q = &queue->tasks[queue->priority]; + struct rpc_task *task; + + if (!list_empty(q)) { + task = list_first_entry(q, struct rpc_task, u.tk_wait.list); + if (task->tk_owner == queue->owner) + list_move_tail(&task->u.tk_wait.list, q); + } +} + static void rpc_set_waitqueue_priority(struct rpc_wait_queue *queue, int priority) { - queue->priority = priority; + if (queue->priority != priority) { + /* Fairness: rotate the list when changing priority */ + rpc_rotate_queue_owner(queue); + queue->priority = priority; + } } static void rpc_set_waitqueue_owner(struct rpc_wait_queue *queue, pid_t pid) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 0b6aebacc56..c78286f6e5d 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -656,29 +656,43 @@ static char *driver_short_names[] = { #define get_azx_dev(substream) (substream->runtime->private_data) #ifdef CONFIG_X86 -static void __mark_pages_wc(struct azx *chip, void *addr, size_t size, bool on) +static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on) { + int pages; + if (azx_snoop(chip)) return; - if (addr && size) { - int pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; + if (!dmab || !dmab->area || !dmab->bytes) + return; + +#ifdef CONFIG_SND_DMA_SGBUF + if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) { + struct snd_sg_buf *sgbuf = dmab->private_data; if (on) - set_memory_wc((unsigned long)addr, pages); + set_pages_array_wc(sgbuf->page_table, sgbuf->pages); else - set_memory_wb((unsigned long)addr, pages); + set_pages_array_wb(sgbuf->page_table, sgbuf->pages); + return; } +#endif + + pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT; + if (on) + set_memory_wc((unsigned long)dmab->area, pages); + else + set_memory_wb((unsigned long)dmab->area, pages); } static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf, bool on) { - __mark_pages_wc(chip, buf->area, buf->bytes, on); + __mark_pages_wc(chip, buf, on); } static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev, - struct snd_pcm_runtime *runtime, bool on) + struct snd_pcm_substream *substream, bool on) { if (azx_dev->wc_marked != on) { - __mark_pages_wc(chip, runtime->dma_area, runtime->dma_bytes, on); + __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on); azx_dev->wc_marked = on; } } @@ -689,7 +703,7 @@ static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf, { } static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev, - struct snd_pcm_runtime *runtime, bool on) + struct snd_pcm_substream *substream, bool on) { } #endif @@ -1968,11 +1982,10 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream, { struct azx_pcm *apcm = snd_pcm_substream_chip(substream); struct azx *chip = apcm->chip; - struct snd_pcm_runtime *runtime = substream->runtime; struct azx_dev *azx_dev = get_azx_dev(substream); int ret; - mark_runtime_wc(chip, azx_dev, runtime, false); + mark_runtime_wc(chip, azx_dev, substream, false); azx_dev->bufsize = 0; azx_dev->period_bytes = 0; azx_dev->format_val = 0; @@ -1980,7 +1993,7 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream, params_buffer_bytes(hw_params)); if (ret < 0) return ret; - mark_runtime_wc(chip, azx_dev, runtime, true); + mark_runtime_wc(chip, azx_dev, substream, true); return ret; } @@ -1989,7 +2002,6 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream) struct azx_pcm *apcm = snd_pcm_substream_chip(substream); struct azx_dev *azx_dev = get_azx_dev(substream); struct azx *chip = apcm->chip; - struct snd_pcm_runtime *runtime = substream->runtime; struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream]; /* reset BDL address */ @@ -2002,7 +2014,7 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream) snd_hda_codec_cleanup(apcm->codec, hinfo, substream); - mark_runtime_wc(chip, azx_dev, runtime, false); + mark_runtime_wc(chip, azx_dev, substream, false); return snd_pcm_lib_free_pages(substream); } @@ -3613,13 +3625,12 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = { /* 5 Series/3400 */ { PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH }, - /* SCH */ + /* Poulsbo */ { PCI_DEVICE(0x8086, 0x811b), - .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP | - AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */ + .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, + /* Oaktrail */ { PCI_DEVICE(0x8086, 0x080a), - .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP | - AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Oaktrail */ + .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, /* ICH */ { PCI_DEVICE(0x8086, 0x2668), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index cf388617110..5faaad219a7 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4694,6 +4694,7 @@ static const struct snd_pci_quirk alc880_fixup_tbl[] = { SND_PCI_QUIRK(0x1584, 0x9077, "Uniwill P53", ALC880_FIXUP_VOL_KNOB), SND_PCI_QUIRK(0x161f, 0x203d, "W810", ALC880_FIXUP_W810), SND_PCI_QUIRK(0x161f, 0x205d, "Medion Rim 2150", ALC880_FIXUP_MEDION_RIM), + SND_PCI_QUIRK(0x1631, 0xe011, "PB 13201056", ALC880_FIXUP_6ST), SND_PCI_QUIRK(0x1734, 0x107c, "FSC F1734", ALC880_FIXUP_F1734), SND_PCI_QUIRK(0x1734, 0x1094, "FSC Amilo M1451G", ALC880_FIXUP_FUJITSU), SND_PCI_QUIRK(0x1734, 0x10ac, "FSC AMILO Xi 1526", ALC880_FIXUP_F1734), @@ -5708,6 +5709,7 @@ static const struct alc_model_fixup alc268_fixup_models[] = { }; static const struct snd_pci_quirk alc268_fixup_tbl[] = { + SND_PCI_QUIRK(0x1025, 0x015b, "Acer AOA 150 (ZG5)", ALC268_FIXUP_INV_DMIC), /* below is codec SSID since multiple Toshiba laptops have the * same PCI SSID 1179:ff00 */ diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 1d8bb591759..ef62c435848 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -685,7 +685,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream, } sr_val = i; - lrclk = snd_soc_params_to_bclk(params) / params_rate(params); + lrclk = rates[bclk] / params_rate(params); arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", rates[bclk], rates[bclk] / lrclk); @@ -1082,6 +1082,9 @@ int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, id, ret); } + regmap_update_bits(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_FREERUN, 0); + return 0; } EXPORT_SYMBOL_GPL(arizona_init_fll); diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c index e6cefe1ac67..d8c65f57465 100644 --- a/sound/soc/codecs/wm2200.c +++ b/sound/soc/codecs/wm2200.c @@ -1019,8 +1019,6 @@ static const char *wm2200_mixer_texts[] = { "EQR", "LHPF1", "LHPF2", - "LHPF3", - "LHPF4", "DSP1.1", "DSP1.2", "DSP1.3", @@ -1053,7 +1051,6 @@ static int wm2200_mixer_values[] = { 0x25, 0x50, /* EQ */ 0x51, - 0x52, 0x60, /* LHPF1 */ 0x61, /* LHPF2 */ 0x68, /* DSP1 */ diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index 7a9048dad1c..1440b3f9b7b 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -896,8 +896,7 @@ static const unsigned int wm5102_aec_loopback_values[] = { static const struct soc_enum wm5102_aec_loopback = SOC_VALUE_ENUM_SINGLE(ARIZONA_DAC_AEC_CONTROL_1, - ARIZONA_AEC_LOOPBACK_SRC_SHIFT, - ARIZONA_AEC_LOOPBACK_SRC_MASK, + ARIZONA_AEC_LOOPBACK_SRC_SHIFT, 0xf, ARRAY_SIZE(wm5102_aec_loopback_texts), wm5102_aec_loopback_texts, wm5102_aec_loopback_values); diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c index ae80c8c2853..7a090968c4f 100644 --- a/sound/soc/codecs/wm5110.c +++ b/sound/soc/codecs/wm5110.c @@ -344,8 +344,7 @@ static const unsigned int wm5110_aec_loopback_values[] = { static const struct soc_enum wm5110_aec_loopback = SOC_VALUE_ENUM_SINGLE(ARIZONA_DAC_AEC_CONTROL_1, - ARIZONA_AEC_LOOPBACK_SRC_SHIFT, - ARIZONA_AEC_LOOPBACK_SRC_MASK, + ARIZONA_AEC_LOOPBACK_SRC_SHIFT, 0xf, ARRAY_SIZE(wm5110_aec_loopback_texts), wm5110_aec_loopback_texts, wm5110_aec_loopback_values); diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 7b198c38f3e..b6b65483758 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -324,7 +324,7 @@ static int wm_adsp_load(struct wm_adsp *dsp) if (reg) { buf = kmemdup(region->data, le32_to_cpu(region->len), - GFP_KERNEL); + GFP_KERNEL | GFP_DMA); if (!buf) { adsp_err(dsp, "Out of memory\n"); return -ENOMEM; @@ -396,7 +396,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp) hdr = (void*)&firmware->data[0]; if (memcmp(hdr->magic, "WMDR", 4) != 0) { adsp_err(dsp, "%s: invalid magic\n", file); - return -EINVAL; + goto out_fw; } adsp_dbg(dsp, "%s: v%d.%d.%d\n", file, @@ -439,7 +439,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp) if (reg) { buf = kmemdup(blk->data, le32_to_cpu(blk->len), - GFP_KERNEL); + GFP_KERNEL | GFP_DMA); if (!buf) { adsp_err(dsp, "Out of memory\n"); return -ENOMEM; diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 3b98159d964..a210c8d7b4b 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -108,18 +108,13 @@ if SND_IMX_SOC config SND_SOC_IMX_SSI tristate -config SND_SOC_IMX_PCM - tristate - config SND_SOC_IMX_PCM_FIQ - bool + tristate select FIQ - select SND_SOC_IMX_PCM config SND_SOC_IMX_PCM_DMA - bool + tristate select SND_SOC_DMAENGINE_PCM - select SND_SOC_IMX_PCM config SND_SOC_IMX_AUDMUX tristate diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index afd34794db5..ec1457915d7 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -41,7 +41,10 @@ endif obj-$(CONFIG_SND_SOC_IMX_SSI) += snd-soc-imx-ssi.o obj-$(CONFIG_SND_SOC_IMX_AUDMUX) += snd-soc-imx-audmux.o -obj-$(CONFIG_SND_SOC_IMX_PCM) += snd-soc-imx-pcm.o +obj-$(CONFIG_SND_SOC_IMX_PCM_FIQ) += snd-soc-imx-pcm-fiq.o +snd-soc-imx-pcm-fiq-y := imx-pcm-fiq.o imx-pcm.o +obj-$(CONFIG_SND_SOC_IMX_PCM_DMA) += snd-soc-imx-pcm-dma.o +snd-soc-imx-pcm-dma-y := imx-pcm-dma.o imx-pcm.o # i.MX Machine Support snd-soc-eukrea-tlv320-objs := eukrea-tlv320.o diff --git a/sound/soc/fsl/imx-pcm.c b/sound/soc/fsl/imx-pcm.c index d5cd9eff3b4..0c9f188ddc6 100644 --- a/sound/soc/fsl/imx-pcm.c +++ b/sound/soc/fsl/imx-pcm.c @@ -31,7 +31,6 @@ int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, runtime->dma_bytes); return ret; } -EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap); static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) { @@ -80,7 +79,6 @@ int imx_pcm_new(struct snd_soc_pcm_runtime *rtd) out: return ret; } -EXPORT_SYMBOL_GPL(imx_pcm_new); void imx_pcm_free(struct snd_pcm *pcm) { @@ -102,7 +100,6 @@ void imx_pcm_free(struct snd_pcm *pcm) buf->area = NULL; } } -EXPORT_SYMBOL_GPL(imx_pcm_free); MODULE_DESCRIPTION("Freescale i.MX PCM driver"); MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 1e36bc81e5a..258acadb9e7 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1023,7 +1023,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w, if (SND_SOC_DAPM_EVENT_ON(event)) { if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) { - ret = regulator_allow_bypass(w->regulator, true); + ret = regulator_allow_bypass(w->regulator, false); if (ret != 0) dev_warn(w->dapm->dev, "ASoC: Failed to bypass %s: %d\n", @@ -1033,7 +1033,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w, return regulator_enable(w->regulator); } else { if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) { - ret = regulator_allow_bypass(w->regulator, false); + ret = regulator_allow_bypass(w->regulator, true); if (ret != 0) dev_warn(w->dapm->dev, "ASoC: Failed to unbypass %s: %d\n", @@ -3039,6 +3039,14 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, w->name, ret); return NULL; } + + if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) { + ret = regulator_allow_bypass(w->regulator, true); + if (ret != 0) + dev_warn(w->dapm->dev, + "ASoC: Failed to unbypass %s: %d\n", + w->name, ret); + } break; case snd_soc_dapm_clock_supply: #ifdef CONFIG_CLKDEV_LOOKUP diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index ed4d89c8b52..e90daf8cdaa 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1331,16 +1331,23 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void } channels = (hdr->bLength - 7) / csize - 1; bmaControls = hdr->bmaControls; + if (hdr->bLength < 7 + csize) { + snd_printk(KERN_ERR "usbaudio: unit %u: " + "invalid UAC_FEATURE_UNIT descriptor\n", + unitid); + return -EINVAL; + } } else { struct uac2_feature_unit_descriptor *ftr = _ftr; csize = 4; channels = (hdr->bLength - 6) / 4 - 1; bmaControls = ftr->bmaControls; - } - - if (hdr->bLength < 7 || !csize || hdr->bLength < 7 + csize) { - snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid); - return -EINVAL; + if (hdr->bLength < 6 + csize) { + snd_printk(KERN_ERR "usbaudio: unit %u: " + "invalid UAC_FEATURE_UNIT descriptor\n", + unitid); + return -EINVAL; + } } /* parse the source unit */ |