diff options
Diffstat (limited to 'arch/arm')
58 files changed, 200 insertions, 251 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index d423d58f938..49d993cee51 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -38,6 +38,7 @@ config ARM select HAVE_GENERIC_HARDIRQS select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)) select HAVE_IDE if PCI || ISA || PCMCIA + select HAVE_IRQ_TIME_ACCOUNTING select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZMA select HAVE_KERNEL_LZO @@ -488,7 +489,7 @@ config ARCH_IXP4XX config ARCH_DOVE bool "Marvell Dove" select ARCH_REQUIRE_GPIOLIB - select CPU_V7 + select CPU_PJ4 select GENERIC_CLOCKEVENTS select MIGHT_HAVE_PCI select PINCTRL diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 47374085bef..1ba358ba16b 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -309,7 +309,7 @@ define archhelp echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' echo ' uImage - U-Boot wrapped zImage' - echo ' bootpImage - Combined zImage and initial RAM disk' + echo ' bootpImage - Combined zImage and initial RAM disk' echo ' (supply initrd image via make variable INITRD=<path>)' echo '* dtbs - Build device tree blobs for enabled boards' echo ' install - Install uncompressed kernel' diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index b9f7121e6ec..f0895c581a8 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -177,7 +177,9 @@ dtb-$(CONFIG_ARCH_SPEAR3XX)+= spear300-evb.dtb \ spear320-evb.dtb \ spear320-hmi.dtb dtb-$(CONFIG_ARCH_SPEAR6XX)+= spear600-evb.dtb -dtb-$(CONFIG_ARCH_SUNXI) += sun4i-a10-cubieboard.dtb \ +dtb-$(CONFIG_ARCH_SUNXI) += \ + sun4i-a10-cubieboard.dtb \ + sun4i-a10-mini-xplus.dtb \ sun4i-a10-hackberry.dtb \ sun5i-a13-olinuxino.dtb dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \ diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi index 272bbc65fab..550eb772c30 100644 --- a/arch/arm/boot/dts/armada-370-xp.dtsi +++ b/arch/arm/boot/dts/armada-370-xp.dtsi @@ -33,7 +33,8 @@ #size-cells = <1>; compatible = "simple-bus"; interrupt-parent = <&mpic>; - ranges = <0 0 0xd0000000 0x100000>; + ranges = <0 0 0xd0000000 0x0100000 /* internal registers */ + 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */>; internal-regs { compatible = "simple-bus"; diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi index b2c1b5af974..aee2b1866ce 100644 --- a/arch/arm/boot/dts/armada-370.dtsi +++ b/arch/arm/boot/dts/armada-370.dtsi @@ -29,7 +29,8 @@ }; soc { - ranges = <0 0xd0000000 0x100000>; + ranges = <0 0xd0000000 0x0100000 /* internal registers */ + 0xe0000000 0xe0000000 0x8100000 /* PCIe */>; internal-regs { system-controller@18200 { compatible = "marvell,armada-370-xp-system-controller"; @@ -38,12 +39,12 @@ L2: l2-cache { compatible = "marvell,aurora-outer-cache"; - reg = <0xd0008000 0x1000>; + reg = <0x08000 0x1000>; cache-id-part = <0x100>; wt-override; }; - mpic: interrupt-controller@20000 { + interrupt-controller@20000 { reg = <0x20a00 0x1d0>, <0x21870 0x58>; }; diff --git a/arch/arm/boot/dts/armada-xp-gp.dts b/arch/arm/boot/dts/armada-xp-gp.dts index 26ad06fc147..3ee63d128e2 100644 --- a/arch/arm/boot/dts/armada-xp-gp.dts +++ b/arch/arm/boot/dts/armada-xp-gp.dts @@ -39,6 +39,9 @@ }; soc { + ranges = <0 0 0xd0000000 0x100000 + 0xf0000000 0 0xf0000000 0x1000000>; + internal-regs { serial@12000 { clock-frequency = <250000000>; diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts index f14d36c4615..46b785064dd 100644 --- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts +++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts @@ -27,6 +27,9 @@ }; soc { + ranges = <0 0 0xd0000000 0x100000 + 0xf0000000 0 0xf0000000 0x8000000>; + internal-regs { serial@12000 { clock-frequency = <250000000>; diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index bacab11c10d..5b902f9a3af 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi @@ -31,7 +31,7 @@ wt-override; }; - mpic: interrupt-controller@20000 { + interrupt-controller@20000 { reg = <0x20a00 0x2d0>, <0x21070 0x58>; }; diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 70b5ccbac23..84c4bef2d72 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -264,7 +264,7 @@ atmel,pins = <0 10 0x2 0x0 /* PA10 periph B */ 0 11 0x2 0x0 /* PA11 periph B */ - 0 24 0x2 0x0 /* PA24 periph B */ + 0 22 0x2 0x0 /* PA22 periph B */ 0 25 0x2 0x0 /* PA25 periph B */ 0 26 0x2 0x0 /* PA26 periph B */ 0 27 0x2 0x0 /* PA27 periph B */ diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 3de8e6dfbcb..8d25f889928 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -57,6 +57,7 @@ compatible = "atmel,at91rm9200-aic"; interrupt-controller; reg = <0xfffff000 0x200>; + atmel,external-irqs = <31>; }; ramc0: ramc@ffffe800 { diff --git a/arch/arm/boot/dts/at91sam9x25ek.dts b/arch/arm/boot/dts/at91sam9x25ek.dts index 3b40d11d65e..315250b4995 100644 --- a/arch/arm/boot/dts/at91sam9x25ek.dts +++ b/arch/arm/boot/dts/at91sam9x25ek.dts @@ -11,7 +11,7 @@ /include/ "at91sam9x5ek.dtsi" / { - model = "Atmel AT91SAM9G25-EK"; + model = "Atmel AT91SAM9X25-EK"; compatible = "atmel,at91sam9x25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9"; ahb { diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi index 82a404da1c0..99ba6e14ebf 100644 --- a/arch/arm/boot/dts/omap3.dtsi +++ b/arch/arm/boot/dts/omap3.dtsi @@ -516,7 +516,7 @@ usb_otg_hs: usb_otg_hs@480ab000 { compatible = "ti,omap3-musb"; reg = <0x480ab000 0x1000>; - interrupts = <0 92 0x4>, <0 93 0x4>; + interrupts = <92>, <93>; interrupt-names = "mc", "dma"; ti,hwmods = "usb_otg_hs"; multipoint = <1>; diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index 2e643ea51cc..5000e0d4284 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -75,11 +75,6 @@ compatible = "atmel,at91sam9x5-spi"; reg = <0xf0004000 0x100>; interrupts = <24 4 3>; - cs-gpios = <&pioD 13 0 - &pioD 14 0 /* conflicts with SCK0 and CANRX0 */ - &pioD 15 0 /* conflicts with CTS0 and CANTX0 */ - &pioD 16 0 /* conflicts with RTS0 and PWMFI3 */ - >; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_spi0>; status = "disabled"; @@ -156,7 +151,7 @@ }; macb0: ethernet@f0028000 { - compatible = "cnds,pc302-gem", "cdns,gem"; + compatible = "cdns,pc302-gem", "cdns,gem"; reg = <0xf0028000 0x100>; interrupts = <34 4 3>; pinctrl-names = "default"; @@ -203,11 +198,6 @@ compatible = "atmel,at91sam9x5-spi"; reg = <0xf8008000 0x100>; interrupts = <25 4 3>; - cs-gpios = <&pioC 25 0 - &pioC 26 0 /* conflitcs with TWD1 and ISI_D11 */ - &pioC 27 0 /* conflitcs with TWCK1 and ISI_D10 */ - &pioC 28 0 /* conflitcs with PWMFI0 and ISI_D9 */ - >; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_spi1>; status = "disabled"; diff --git a/arch/arm/boot/dts/sama5d3xcm.dtsi b/arch/arm/boot/dts/sama5d3xcm.dtsi index 1f8ed404626..b336e7787cb 100644 --- a/arch/arm/boot/dts/sama5d3xcm.dtsi +++ b/arch/arm/boot/dts/sama5d3xcm.dtsi @@ -32,6 +32,10 @@ ahb { apb { + spi0: spi@f0004000 { + cs-gpios = <&pioD 13 0>, <0>, <0>, <0>; + }; + macb0: ethernet@f0028000 { phy-mode = "rgmii"; }; diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts index b28fbf3408e..6f82d936894 100644 --- a/arch/arm/boot/dts/ste-nomadik-s8815.dts +++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts @@ -14,13 +14,19 @@ bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; }; + /* This is where the interrupt is routed on the S8815 board */ + external-bus@34000000 { + ethernet@300 { + interrupt-parent = <&gpio3>; + interrupts = <8 0x1>; + }; + }; + /* Custom board node with GPIO pins to active etc */ usb-s8815 { /* The S8815 is using this very GPIO pin for the SMSC91x IRQs */ ethernet-gpio { - gpios = <&gpio3 19 0x1>; - interrupts = <19 0x1>; - interrupt-parent = <&gpio3>; + gpios = <&gpio3 8 0x1>; }; /* This will bias the MMC/SD card detect line */ mmcsd-gpio { diff --git a/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts b/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts index 4a7c35d6726..078ed7f618d 100644 --- a/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts +++ b/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts @@ -22,8 +22,8 @@ bootargs = "earlyprintk console=ttyS0,115200"; }; - soc { - uart0: uart@01c28000 { + soc@01c20000 { + uart0: serial@01c28000 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins_a>; status = "okay"; diff --git a/arch/arm/common/mcpm_platsmp.c b/arch/arm/common/mcpm_platsmp.c index 52b88d81b7b..3caed0db698 100644 --- a/arch/arm/common/mcpm_platsmp.c +++ b/arch/arm/common/mcpm_platsmp.c @@ -15,8 +15,6 @@ #include <linux/smp.h> #include <linux/spinlock.h> -#include <linux/irqchip/arm-gic.h> - #include <asm/mcpm.h> #include <asm/smp.h> #include <asm/smp_plat.h> @@ -49,7 +47,6 @@ static int __cpuinit mcpm_boot_secondary(unsigned int cpu, struct task_struct *i static void __cpuinit mcpm_secondary_init(unsigned int cpu) { mcpm_cpu_powered_up(); - gic_secondary_init(0); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig index 7e0ebb64a7f..9940f7b4e43 100644 --- a/arch/arm/configs/omap1_defconfig +++ b/arch/arm/configs/omap1_defconfig @@ -199,7 +199,6 @@ CONFIG_USB_PHY=y CONFIG_USB_DEBUG=y CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set -CONFIG_USB_SUSPEND=y CONFIG_USB_MON=y CONFIG_USB_OHCI_HCD=y CONFIG_USB_STORAGE=y diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index c1ef64bc5ab..abbe31937c6 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -20,6 +20,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y # CONFIG_BLK_DEV_BSG is not set +CONFIG_ARCH_MULTI_V6=y CONFIG_ARCH_OMAP2PLUS=y CONFIG_OMAP_RESET_CLOCKS=y CONFIG_OMAP_MUX_DEBUG=y @@ -204,7 +205,6 @@ CONFIG_USB=y CONFIG_USB_DEBUG=y CONFIG_USB_ANNOUNCE_NEW_DEVICES=y CONFIG_USB_DEVICEFS=y -CONFIG_USB_SUSPEND=y CONFIG_USB_MON=y CONFIG_USB_WDM=y CONFIG_USB_STORAGE=y diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig index a5f0485133c..f7ba316164d 100644 --- a/arch/arm/configs/tegra_defconfig +++ b/arch/arm/configs/tegra_defconfig @@ -153,6 +153,7 @@ CONFIG_MEDIA_CAMERA_SUPPORT=y CONFIG_MEDIA_USB_SUPPORT=y CONFIG_USB_VIDEO_CLASS=m CONFIG_DRM=y +CONFIG_TEGRA_HOST1X=y CONFIG_DRM_TEGRA=y CONFIG_BACKLIGHT_LCD_SUPPORT=y # CONFIG_LCD_CLASS_DEVICE is not set @@ -202,7 +203,7 @@ CONFIG_TEGRA20_APB_DMA=y CONFIG_STAGING=y CONFIG_SENSORS_ISL29018=y CONFIG_SENSORS_ISL29028=y -CONFIG_SENSORS_AK8975=y +CONFIG_AK8975=y CONFIG_MFD_NVEC=y CONFIG_KEYBOARD_NVEC=y CONFIG_SERIO_NVEC_PS2=y diff --git a/arch/arm/crypto/sha1-armv4-large.S b/arch/arm/crypto/sha1-armv4-large.S index 92c6eed7aac..99207c45ec1 100644 --- a/arch/arm/crypto/sha1-armv4-large.S +++ b/arch/arm/crypto/sha1-armv4-large.S @@ -195,6 +195,7 @@ ENTRY(sha1_block_data_order) add r3,r3,r10 @ E+=F_00_19(B,C,D) cmp r14,sp bne .L_00_15 @ [((11+4)*5+2)*3] + sub sp,sp,#25*4 #if __ARM_ARCH__<7 ldrb r10,[r1,#2] ldrb r9,[r1,#3] @@ -290,7 +291,6 @@ ENTRY(sha1_block_data_order) add r3,r3,r10 @ E+=F_00_19(B,C,D) ldr r8,.LK_20_39 @ [+15+16*4] - sub sp,sp,#25*4 cmn sp,#0 @ [+3], clear carry to denote 20_39 .L_20_39_or_60_79: ldr r9,[r14,#15*4] diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h index 7eb18c1d8d6..4f009c10540 100644 --- a/arch/arm/include/asm/cmpxchg.h +++ b/arch/arm/include/asm/cmpxchg.h @@ -233,15 +233,15 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr, ((__typeof__(*(ptr)))atomic64_cmpxchg(container_of((ptr), \ atomic64_t, \ counter), \ - (unsigned long)(o), \ - (unsigned long)(n))) + (unsigned long long)(o), \ + (unsigned long long)(n))) #define cmpxchg64_local(ptr, o, n) \ ((__typeof__(*(ptr)))local64_cmpxchg(container_of((ptr), \ local64_t, \ a), \ - (unsigned long)(o), \ - (unsigned long)(n))) + (unsigned long long)(o), \ + (unsigned long long)(n))) #endif /* __LINUX_ARM_ARCH__ >= 6 */ diff --git a/arch/arm/include/debug/ux500.S b/arch/arm/include/debug/ux500.S index 2848857f5b6..fbd24beeb1f 100644 --- a/arch/arm/include/debug/ux500.S +++ b/arch/arm/include/debug/ux500.S @@ -24,9 +24,9 @@ #define U8500_UART0_PHYS_BASE (0x80120000) #define U8500_UART1_PHYS_BASE (0x80121000) #define U8500_UART2_PHYS_BASE (0x80007000) -#define U8500_UART0_VIRT_BASE (0xa8120000) -#define U8500_UART1_VIRT_BASE (0xa8121000) -#define U8500_UART2_VIRT_BASE (0xa8007000) +#define U8500_UART0_VIRT_BASE (0xf8120000) +#define U8500_UART1_VIRT_BASE (0xf8121000) +#define U8500_UART2_VIRT_BASE (0xf8007000) #define __UX500_PHYS_UART(n) U8500_UART##n##_PHYS_BASE #define __UX500_VIRT_UART(n) U8500_UART##n##_VIRT_BASE #endif diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index f2197031683..282de4826ab 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -411,7 +411,6 @@ static struct vm_area_struct gate_vma = { .vm_start = 0xffff0000, .vm_end = 0xffff0000 + PAGE_SIZE, .vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC, - .vm_mm = &init_mm, }; static int __init gate_vma_init(void) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 47ab90563bf..550d63cef68 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -251,7 +251,7 @@ void __ref cpu_die(void) * this returns, power and/or clocks can be removed at any point * from this CPU and its cache by platform_cpu_kill(). */ - RCU_NONIDLE(complete(&cpu_died)); + complete(&cpu_died); /* * Ensure that the cache lines associated with that completion are diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 2acdff4c1df..180b3024bec 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -174,6 +174,7 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev) static struct clock_event_device clkevt = { .name = "at91_tick", .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .shift = 32, .rating = 150, .set_next_event = clkevt32k_next_event, .set_mode = clkevt32k_mode, @@ -264,9 +265,11 @@ void __init at91rm9200_timer_init(void) at91_st_write(AT91_ST_RTMR, 1); /* Setup timer clockevent, with minimum of two ticks (important!!) */ + clkevt.mult = div_sc(AT91_SLOW_CLOCK, NSEC_PER_SEC, clkevt.shift); + clkevt.max_delta_ns = clockevent_delta2ns(AT91_ST_ALMV, &clkevt); + clkevt.min_delta_ns = clockevent_delta2ns(2, &clkevt) + 1; clkevt.cpumask = cpumask_of(0); - clockevents_config_and_register(&clkevt, AT91_SLOW_CLOCK, - 2, AT91_ST_ALMV); + clockevents_register_device(&clkevt); /* register clocksource */ clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK); diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c index 13cdbcd48f5..c7d670d1180 100644 --- a/arch/arm/mach-at91/at91sam9n12.c +++ b/arch/arm/mach-at91/at91sam9n12.c @@ -223,13 +223,7 @@ static void __init at91sam9n12_map_io(void) at91_init_sram(0, AT91SAM9N12_SRAM_BASE, AT91SAM9N12_SRAM_SIZE); } -void __init at91sam9n12_initialize(void) -{ - at91_extern_irq = (1 << AT91SAM9N12_ID_IRQ0); -} - AT91_SOC_START(at91sam9n12) .map_io = at91sam9n12_map_io, .register_clocks = at91sam9n12_register_clocks, - .init = at91sam9n12_initialize, AT91_SOC_END diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index 31df12029c4..2bd7f51b0b8 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -179,9 +179,9 @@ extern void __iomem *at91_pmc_base; #define AT91_PMC_PCR_CMD (0x1 << 12) /* Command (read=0, write=1) */ #define AT91_PMC_PCR_DIV(n) ((n) << 16) /* Divisor Value */ #define AT91_PMC_PCR_DIV0 0x0 /* Peripheral clock is MCK */ -#define AT91_PMC_PCR_DIV2 0x2 /* Peripheral clock is MCK/2 */ -#define AT91_PMC_PCR_DIV4 0x4 /* Peripheral clock is MCK/4 */ -#define AT91_PMC_PCR_DIV8 0x8 /* Peripheral clock is MCK/8 */ +#define AT91_PMC_PCR_DIV2 0x1 /* Peripheral clock is MCK/2 */ +#define AT91_PMC_PCR_DIV4 0x2 /* Peripheral clock is MCK/4 */ +#define AT91_PMC_PCR_DIV8 0x3 /* Peripheral clock is MCK/8 */ #define AT91_PMC_PCR_EN (0x1 << 28) /* Enable */ #endif diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 15125900308..dda9a2bd3ac 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -177,7 +177,8 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) static const char *step_sels[] = { "osc", "pll2_pfd2_396m", }; static const char *pll1_sw_sels[] = { "pll1_sys", "step", }; static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", }; -static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", }; +static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", "dummy", }; +static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", }; static const char *periph_sels[] = { "periph_pre", "periph_clk2", }; static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", }; static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "pll3_pfd1_540m", }; @@ -185,7 +186,7 @@ static const char *audio_sels[] = { "pll4_post_div", "pll3_pfd2_508m", "pll3_pfd static const char *gpu_axi_sels[] = { "axi", "ahb", }; static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", }; static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", }; -static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", }; +static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m", }; static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", }; static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", }; static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", }; @@ -369,8 +370,8 @@ int __init mx6q_clocks_init(void) clk[pll1_sw] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels)); clk[periph_pre] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); clk[periph2_pre] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); - clk[periph_clk2_sel] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 1, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); - clk[periph2_clk2_sel] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); + clk[periph_clk2_sel] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); + clk[periph2_clk2_sel] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels)); clk[axi_sel] = imx_clk_mux("axi_sel", base + 0x14, 6, 2, axi_sels, ARRAY_SIZE(axi_sels)); clk[esai_sel] = imx_clk_mux("esai_sel", base + 0x20, 19, 2, audio_sels, ARRAY_SIZE(audio_sels)); clk[asrc_sel] = imx_clk_mux("asrc_sel", base + 0x30, 7, 2, audio_sels, ARRAY_SIZE(audio_sels)); @@ -498,7 +499,7 @@ int __init mx6q_clocks_init(void) clk[ldb_di1] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14); clk[ipu2_di1] = imx_clk_gate2("ipu2_di1", "ipu2_di1_sel", base + 0x74, 10); clk[hsi_tx] = imx_clk_gate2("hsi_tx", "hsi_tx_podf", base + 0x74, 16); - clk[mlb] = imx_clk_gate2("mlb", "pll8_mlb", base + 0x74, 18); + clk[mlb] = imx_clk_gate2("mlb", "axi", base + 0x74, 18); clk[mmdc_ch0_axi] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20); clk[mmdc_ch1_axi] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22); clk[ocram] = imx_clk_gate2("ocram", "ahb", base + 0x74, 28); diff --git a/arch/arm/mach-imx/headsmp.S b/arch/arm/mach-imx/headsmp.S index 67b9c48dcaf..627f16f0e9d 100644 --- a/arch/arm/mach-imx/headsmp.S +++ b/arch/arm/mach-imx/headsmp.S @@ -18,8 +18,20 @@ .section ".text.head", "ax" #ifdef CONFIG_SMP +diag_reg_offset: + .word g_diag_reg - . + + .macro set_diag_reg + adr r0, diag_reg_offset + ldr r1, [r0] + add r1, r1, r0 @ r1 = physical &g_diag_reg + ldr r0, [r1] + mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register + .endm + ENTRY(v7_secondary_startup) bl v7_invalidate_l1 + set_diag_reg b secondary_startup ENDPROC(v7_secondary_startup) #endif diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c index 4a69305db65..c6e1ab54488 100644 --- a/arch/arm/mach-imx/platsmp.c +++ b/arch/arm/mach-imx/platsmp.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/smp.h> +#include <asm/cacheflush.h> #include <asm/page.h> #include <asm/smp_scu.h> #include <asm/mach/map.h> @@ -21,6 +22,7 @@ #define SCU_STANDBY_ENABLE (1 << 5) +u32 g_diag_reg; static void __iomem *scu_base; static struct map_desc scu_io_desc __initdata = { @@ -80,6 +82,18 @@ void imx_smp_prepare(void) static void __init imx_smp_prepare_cpus(unsigned int max_cpus) { imx_smp_prepare(); + + /* + * The diagnostic register holds the errata bits. Mostly bootloader + * does not bring up secondary cores, so that when errata bits are set + * in bootloader, they are set only for boot cpu. But on a SMP + * configuration, it should be equally done on every single core. + * Read the register from boot cpu here, and will replicate it into + * secondary cores when booting them. + */ + asm("mrc p15, 0, %0, c15, c0, 1" : "=r" (g_diag_reg) : : "cc"); + __cpuc_flush_dcache_area(&g_diag_reg, sizeof(g_diag_reg)); + outer_clean_range(__pa(&g_diag_reg), __pa(&g_diag_reg + 1)); } struct smp_operations imx_smp_ops __initdata = { diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index c2cae69e6d2..f3892289756 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -528,12 +528,6 @@ void __init kirkwood_init_early(void) { orion_time_set_base(TIMER_VIRT_BASE); - /* - * Some Kirkwood devices allocate their coherent buffers from atomic - * context. Increase size of atomic coherent pool to make sure such - * the allocations won't fail. - */ - init_dma_coherent_pool_size(SZ_1M); mvebu_mbus_init("marvell,kirkwood-mbus", BRIDGE_WINS_BASE, BRIDGE_WINS_SZ, DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ); diff --git a/arch/arm/mach-kirkwood/ts219-setup.c b/arch/arm/mach-kirkwood/ts219-setup.c index 283abff9022..e1267d6b468 100644 --- a/arch/arm/mach-kirkwood/ts219-setup.c +++ b/arch/arm/mach-kirkwood/ts219-setup.c @@ -124,7 +124,7 @@ static void __init qnap_ts219_init(void) static int __init ts219_pci_init(void) { if (machine_is_ts219()) - kirkwood_pcie_init(KW_PCIE0); + kirkwood_pcie_init(KW_PCIE1 | KW_PCIE0); return 0; } diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index e11acbb0a46..80a8bcacd9d 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -15,6 +15,7 @@ config ARCH_MVEBU select MVEBU_CLK_GATING select MVEBU_MBUS select ZONE_DMA if ARM_LPAE + select ARCH_REQUIRE_GPIOLIB if ARCH_MVEBU diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c index 42a4cb3087e..1c48890bb72 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.c +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -54,13 +54,6 @@ void __init armada_370_xp_init_early(void) char *mbus_soc_name; /* - * Some Armada 370/XP devices allocate their coherent buffers - * from atomic context. Increase size of atomic coherent pool - * to make sure such the allocations won't fail. - */ - init_dma_coherent_pool_size(SZ_1M); - - /* * This initialization will be replaced by a DT-based * initialization once the mvebu-mbus driver gains DT support. */ diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c index 68ab858e27b..a94b3a718d1 100644 --- a/arch/arm/mach-omap1/dma.c +++ b/arch/arm/mach-omap1/dma.c @@ -345,6 +345,7 @@ static int __init omap1_system_dma_init(void) dev_err(&pdev->dev, "%s: Memory allocation failed for d->chan!\n", __func__); + ret = -ENOMEM; goto exit_release_d; } diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c index 6ebc7803bc3..af3544ce4f0 100644 --- a/arch/arm/mach-omap2/cclock33xx_data.c +++ b/arch/arm/mach-omap2/cclock33xx_data.c @@ -454,9 +454,29 @@ DEFINE_CLK_GATE(cefuse_fck, "sys_clkin_ck", &sys_clkin_ck, 0x0, */ DEFINE_CLK_FIXED_FACTOR(clkdiv32k_ck, "clk_24mhz", &clk_24mhz, 0x0, 1, 732); -DEFINE_CLK_GATE(clkdiv32k_ick, "clkdiv32k_ck", &clkdiv32k_ck, 0x0, - AM33XX_CM_PER_CLKDIV32K_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); +static struct clk clkdiv32k_ick; + +static const char *clkdiv32k_ick_parent_names[] = { + "clkdiv32k_ck", +}; + +static const struct clk_ops clkdiv32k_ick_ops = { + .enable = &omap2_dflt_clk_enable, + .disable = &omap2_dflt_clk_disable, + .is_enabled = &omap2_dflt_clk_is_enabled, + .init = &omap2_init_clk_clkdm, +}; + +static struct clk_hw_omap clkdiv32k_ick_hw = { + .hw = { + .clk = &clkdiv32k_ick, + }, + .enable_reg = AM33XX_CM_PER_CLKDIV32K_CLKCTRL, + .enable_bit = AM33XX_MODULEMODE_SWCTRL_SHIFT, + .clkdm_name = "clk_24mhz_clkdm", +}; + +DEFINE_STRUCT_CLK(clkdiv32k_ick, clkdiv32k_ick_parent_names, clkdiv32k_ick_ops); /* "usbotg_fck" is an additional clock and not really a modulemode */ DEFINE_CLK_GATE(usbotg_fck, "dpll_per_ck", &dpll_per_ck, 0x0, diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d25a95fe992..7341eff63f5 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1356,13 +1356,27 @@ static void _enable_sysc(struct omap_hwmod *oh) clkdm = _get_clkdm(oh); if (sf & SYSC_HAS_SIDLEMODE) { + if (oh->flags & HWMOD_SWSUP_SIDLE || + oh->flags & HWMOD_SWSUP_SIDLE_ACT) { + idlemode = HWMOD_IDLEMODE_NO; + } else { + if (sf & SYSC_HAS_ENAWAKEUP) + _enable_wakeup(oh, &v); + if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) + idlemode = HWMOD_IDLEMODE_SMART_WKUP; + else + idlemode = HWMOD_IDLEMODE_SMART; + } + + /* + * This is special handling for some IPs like + * 32k sync timer. Force them to idle! + */ clkdm_act = (clkdm && clkdm->flags & CLKDM_ACTIVE_WITH_MPU); if (clkdm_act && !(oh->class->sysc->idlemodes & (SIDLE_SMART | SIDLE_SMART_WKUP))) idlemode = HWMOD_IDLEMODE_FORCE; - else - idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ? - HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART; + _set_slave_idlemode(oh, idlemode, &v); } @@ -1391,10 +1405,6 @@ static void _enable_sysc(struct omap_hwmod *oh) (sf & SYSC_HAS_CLOCKACTIVITY)) _set_clockactivity(oh, oh->class->sysc->clockact, &v); - /* If slave is in SMARTIDLE, also enable wakeup */ - if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE)) - _enable_wakeup(oh, &v); - _write_sysconfig(v, oh); /* @@ -1430,13 +1440,16 @@ static void _idle_sysc(struct omap_hwmod *oh) sf = oh->class->sysc->sysc_flags; if (sf & SYSC_HAS_SIDLEMODE) { - /* XXX What about HWMOD_IDLEMODE_SMART_WKUP? */ - if (oh->flags & HWMOD_SWSUP_SIDLE || - !(oh->class->sysc->idlemodes & - (SIDLE_SMART | SIDLE_SMART_WKUP))) + if (oh->flags & HWMOD_SWSUP_SIDLE) { idlemode = HWMOD_IDLEMODE_FORCE; - else - idlemode = HWMOD_IDLEMODE_SMART; + } else { + if (sf & SYSC_HAS_ENAWAKEUP) + _enable_wakeup(oh, &v); + if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) + idlemode = HWMOD_IDLEMODE_SMART_WKUP; + else + idlemode = HWMOD_IDLEMODE_SMART; + } _set_slave_idlemode(oh, idlemode, &v); } @@ -1455,10 +1468,6 @@ static void _idle_sysc(struct omap_hwmod *oh) _set_master_standbymode(oh, idlemode, &v); } - /* If slave is in SMARTIDLE, also enable wakeup */ - if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE)) - _enable_wakeup(oh, &v); - _write_sysconfig(v, oh); } @@ -2065,7 +2074,7 @@ static int _omap4_get_context_lost(struct omap_hwmod *oh) * do so is present in the hwmod data, then call it and pass along the * return value; otherwise, return 0. */ -static int __init _enable_preprogram(struct omap_hwmod *oh) +static int _enable_preprogram(struct omap_hwmod *oh) { if (!oh->class->enable_preprogram) return 0; @@ -2246,42 +2255,6 @@ static int _idle(struct omap_hwmod *oh) } /** - * omap_hwmod_set_ocp_autoidle - set the hwmod's OCP autoidle bit - * @oh: struct omap_hwmod * - * @autoidle: desired AUTOIDLE bitfield value (0 or 1) - * - * Sets the IP block's OCP autoidle bit in hardware, and updates our - * local copy. Intended to be used by drivers that require - * direct manipulation of the AUTOIDLE bits. - * Returns -EINVAL if @oh is null or is not in the ENABLED state, or passes - * along the return value from _set_module_autoidle(). - * - * Any users of this function should be scrutinized carefully. - */ -int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle) -{ - u32 v; - int retval = 0; - unsigned long flags; - - if (!oh || oh->_state != _HWMOD_STATE_ENABLED) - return -EINVAL; - - spin_lock_irqsave(&oh->_lock, flags); - - v = oh->_sysc_cache; - - retval = _set_module_autoidle(oh, autoidle, &v); - - if (!retval) - _write_sysconfig(v, oh); - - spin_unlock_irqrestore(&oh->_lock, flags); - - return retval; -} - -/** * _shutdown - shutdown an omap_hwmod * @oh: struct omap_hwmod * * @@ -3180,38 +3153,6 @@ error: } /** - * omap_hwmod_set_slave_idlemode - set the hwmod's OCP slave idlemode - * @oh: struct omap_hwmod * - * @idlemode: SIDLEMODE field bits (shifted to bit 0) - * - * Sets the IP block's OCP slave idlemode in hardware, and updates our - * local copy. Intended to be used by drivers that have some erratum - * that requires direct manipulation of the SIDLEMODE bits. Returns - * -EINVAL if @oh is null, or passes along the return value from - * _set_slave_idlemode(). - * - * XXX Does this function have any current users? If not, we should - * remove it; it is better to let the rest of the hwmod code handle this. - * Any users of this function should be scrutinized carefully. - */ -int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode) -{ - u32 v; - int retval = 0; - - if (!oh) - return -EINVAL; - - v = oh->_sysc_cache; - - retval = _set_slave_idlemode(oh, idlemode, &v); - if (!retval) - _write_sysconfig(v, oh); - - return retval; -} - -/** * omap_hwmod_lookup - look up a registered omap_hwmod by name * @name: name of the omap_hwmod to look up * diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index fe5962921f0..0c898f58ac9 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -463,6 +463,9 @@ struct omap_hwmod_omap4_prcm { * is kept in force-standby mode. Failing to do so causes PM problems * with musb on OMAP3630 at least. Note that musb has a dedicated register * to control MSTANDBY signal when MIDLEMODE is set to force-standby. + * HWMOD_SWSUP_SIDLE_ACT: omap_hwmod code should manually bring the module + * out of idle, but rely on smart-idle to the put it back in idle, + * so the wakeups are still functional (Only known case for now is UART) */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -476,6 +479,7 @@ struct omap_hwmod_omap4_prcm { #define HWMOD_EXT_OPT_MAIN_CLK (1 << 9) #define HWMOD_BLOCK_WFI (1 << 10) #define HWMOD_FORCE_MSTANDBY (1 << 11) +#define HWMOD_SWSUP_SIDLE_ACT (1 << 12) /* * omap_hwmod._int_flags definitions @@ -641,9 +645,6 @@ int omap_hwmod_read_hardreset(struct omap_hwmod *oh, const char *name); int omap_hwmod_enable_clocks(struct omap_hwmod *oh); int omap_hwmod_disable_clocks(struct omap_hwmod *oh); -int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode); -int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle); - int omap_hwmod_reset(struct omap_hwmod *oh); void omap_hwmod_ocp_barrier(struct omap_hwmod *oh); diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c index c8c64b3e1ac..d05fc7b5456 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c @@ -512,6 +512,7 @@ struct omap_hwmod omap2xxx_uart1_hwmod = { .mpu_irqs = omap2_uart1_mpu_irqs, .sdma_reqs = omap2_uart1_sdma_reqs, .main_clk = "uart1_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -531,6 +532,7 @@ struct omap_hwmod omap2xxx_uart2_hwmod = { .mpu_irqs = omap2_uart2_mpu_irqs, .sdma_reqs = omap2_uart2_sdma_reqs, .main_clk = "uart2_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -550,6 +552,7 @@ struct omap_hwmod omap2xxx_uart3_hwmod = { .mpu_irqs = omap2_uart3_mpu_irqs, .sdma_reqs = omap2_uart3_sdma_reqs, .main_clk = "uart3_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c index 01d8f324450..075f7cc5102 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c @@ -1995,6 +1995,7 @@ static struct omap_hwmod am33xx_uart1_hwmod = { .name = "uart1", .class = &uart_class, .clkdm_name = "l4_wkup_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart1_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_wkupdm_ck", @@ -2015,6 +2016,7 @@ static struct omap_hwmod am33xx_uart2_hwmod = { .name = "uart2", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart2_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", @@ -2042,6 +2044,7 @@ static struct omap_hwmod am33xx_uart3_hwmod = { .name = "uart3", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart3_irqs, .sdma_reqs = uart3_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", @@ -2062,6 +2065,7 @@ static struct omap_hwmod am33xx_uart4_hwmod = { .name = "uart4", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart4_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", @@ -2082,6 +2086,7 @@ static struct omap_hwmod am33xx_uart5_hwmod = { .name = "uart5", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart5_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", @@ -2102,6 +2107,7 @@ static struct omap_hwmod am33xx_uart6_hwmod = { .name = "uart6", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart6_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 4083606ea1d..31c7126eb3b 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -490,6 +490,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod = { .mpu_irqs = omap2_uart1_mpu_irqs, .sdma_reqs = omap2_uart1_sdma_reqs, .main_clk = "uart1_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -508,6 +509,7 @@ static struct omap_hwmod omap3xxx_uart2_hwmod = { .mpu_irqs = omap2_uart2_mpu_irqs, .sdma_reqs = omap2_uart2_sdma_reqs, .main_clk = "uart2_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -526,6 +528,7 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = { .mpu_irqs = omap2_uart3_mpu_irqs, .sdma_reqs = omap2_uart3_sdma_reqs, .main_clk = "uart3_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, @@ -555,6 +558,7 @@ static struct omap_hwmod omap36xx_uart4_hwmod = { .mpu_irqs = uart4_mpu_irqs, .sdma_reqs = uart4_sdma_reqs, .main_clk = "uart4_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index eaba9dc91a0..848b6dc6759 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -3434,6 +3434,7 @@ static struct omap_hwmod omap44xx_uart1_hwmod = { .name = "uart1", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = omap44xx_uart1_irqs, .sdma_reqs = omap44xx_uart1_sdma_reqs, .main_clk = "func_48m_fclk", @@ -3462,6 +3463,7 @@ static struct omap_hwmod omap44xx_uart2_hwmod = { .name = "uart2", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = omap44xx_uart2_irqs, .sdma_reqs = omap44xx_uart2_sdma_reqs, .main_clk = "func_48m_fclk", @@ -3490,7 +3492,8 @@ static struct omap_hwmod omap44xx_uart3_hwmod = { .name = "uart3", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET | + HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = omap44xx_uart3_irqs, .sdma_reqs = omap44xx_uart3_sdma_reqs, .main_clk = "func_48m_fclk", @@ -3519,6 +3522,7 @@ static struct omap_hwmod omap44xx_uart4_hwmod = { .name = "uart4", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = omap44xx_uart4_irqs, .sdma_reqs = omap44xx_uart4_sdma_reqs, .main_clk = "func_48m_fclk", diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 8396b5b7e91..f6601563aa6 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -95,38 +95,9 @@ static void omap_uart_enable_wakeup(struct device *dev, bool enable) omap_hwmod_disable_wakeup(od->hwmods[0]); } -/* - * Errata i291: [UART]:Cannot Acknowledge Idle Requests - * in Smartidle Mode When Configured for DMA Operations. - * WA: configure uart in force idle mode. - */ -static void omap_uart_set_noidle(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct omap_device *od = to_omap_device(pdev); - - omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_NO); -} - -static void omap_uart_set_smartidle(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct omap_device *od = to_omap_device(pdev); - u8 idlemode; - - if (od->hwmods[0]->class->sysc->idlemodes & SIDLE_SMART_WKUP) - idlemode = HWMOD_IDLEMODE_SMART_WKUP; - else - idlemode = HWMOD_IDLEMODE_SMART; - - omap_hwmod_set_slave_idlemode(od->hwmods[0], idlemode); -} - #else static void omap_uart_enable_wakeup(struct device *dev, bool enable) {} -static void omap_uart_set_noidle(struct device *dev) {} -static void omap_uart_set_smartidle(struct device *dev) {} #endif /* CONFIG_PM */ #ifdef CONFIG_OMAP_MUX @@ -299,8 +270,6 @@ void __init omap_serial_init_port(struct omap_board_data *bdata, omap_up.uartclk = OMAP24XX_BASE_BAUD * 16; omap_up.flags = UPF_BOOT_AUTOCONF; omap_up.get_context_loss_count = omap_pm_get_dev_context_loss_count; - omap_up.set_forceidle = omap_uart_set_smartidle; - omap_up.set_noidle = omap_uart_set_noidle; omap_up.enable_wakeup = omap_uart_enable_wakeup; omap_up.dma_rx_buf_size = info->dma_rx_buf_size; omap_up.dma_rx_timeout = info->dma_rx_timeout; diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index b97fd672e89..f8a6db9239b 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -199,13 +199,6 @@ void __init orion5x_init_early(void) orion_time_set_base(TIMER_VIRT_BASE); - /* - * Some Orion5x devices allocate their coherent buffers from atomic - * context. Increase size of atomic coherent pool to make sure such - * the allocations won't fail. - */ - init_dma_coherent_pool_size(SZ_1M); - /* Initialize the MBUS driver */ orion5x_pcie_id(&dev, &rev); if (dev == MV88F5281_DEV_ID) diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c index 91052855cc1..b9594e911ce 100644 --- a/arch/arm/mach-shmobile/board-marzen.c +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -212,8 +212,8 @@ static struct platform_device *marzen_devices[] __initdata = { static struct usb_phy *phy; static int usb_power_on(struct platform_device *pdev) { - if (!phy) - return -EIO; + if (IS_ERR(phy)) + return PTR_ERR(phy); pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); @@ -225,7 +225,7 @@ static int usb_power_on(struct platform_device *pdev) static void usb_power_off(struct platform_device *pdev) { - if (!phy) + if (IS_ERR(phy)) return; usb_phy_shutdown(phy); diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index d259c782d74..5b045e302b4 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -1,5 +1,6 @@ config ARCH_SUNXI bool "Allwinner A1X SOCs" if ARCH_MULTI_V7 + select ARCH_REQUIRE_GPIOLIB select CLKSRC_MMIO select CLKSRC_OF select COMMON_CLK diff --git a/arch/arm/mach-tegra/tegra2_emc.c b/arch/arm/mach-tegra/tegra2_emc.c index 9e8bdfa2b36..31e69a019bd 100644 --- a/arch/arm/mach-tegra/tegra2_emc.c +++ b/arch/arm/mach-tegra/tegra2_emc.c @@ -307,11 +307,6 @@ static int tegra_emc_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "missing register base\n"); - return -ENOMEM; - } - emc_regbase = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(emc_regbase)) return PTR_ERR(emc_regbase); diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 6a4387e39df..b19b07204aa 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -51,6 +51,7 @@ config MACH_MOP500 bool "U8500 Development platform, MOP500 versions" select I2C select I2C_NOMADIK + select REGULATOR select REGULATOR_FIXED_VOLTAGE select SOC_BUS select UX500_SOC_DB8500 diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 3cd555ac6d0..78389de94dd 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -623,7 +623,7 @@ static void __init mop500_init_machine(void) sdi0_reg_info.gpios[0].gpio = GPIO_SDMMC_1V8_3V_SEL; mop500_pinmaps_init(); - parent = u8500_init_devices(&ab8500_platdata); + parent = u8500_init_devices(); for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) mop500_platform_devs[i]->dev.parent = parent; @@ -660,7 +660,7 @@ static void __init snowball_init_machine(void) sdi0_reg_info.gpios[0].gpio = SNOWBALL_SDMMC_1V8_3V_GPIO; snowball_pinmaps_init(); - parent = u8500_init_devices(&ab8500_platdata); + parent = u8500_init_devices(); for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++) snowball_platform_devs[i]->dev.parent = parent; @@ -698,7 +698,7 @@ static void __init hrefv60_init_machine(void) sdi0_reg_info.gpios[0].gpio = HREFV60_SDMMC_1V8_3V_GPIO; hrefv60_pinmaps_init(); - parent = u8500_init_devices(&ab8500_platdata); + parent = u8500_init_devices(); for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) mop500_platform_devs[i]->dev.parent = parent; diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index e90b5ab23b6..46cca52890b 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -206,7 +206,7 @@ static struct device * __init db8500_soc_device_init(void) /* * This function is called from the board init */ -struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500) +struct device * __init u8500_init_devices(void) { struct device *parent; int i; @@ -220,8 +220,6 @@ struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500) for (i = 0; i < ARRAY_SIZE(platform_devs); i++) platform_devs[i]->dev.parent = parent; - db8500_prcmu_device.dev.platform_data = ab8500; - platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); return parent; @@ -278,7 +276,7 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("st,nomadik-i2c", 0x8012a000, "nmk-i2c.4", NULL), OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu", &db8500_prcmu_pdata), - OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x", NULL), + OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x.0", NULL), /* Requires device name bindings. */ OF_DEV_AUXDATA("stericsson,nmk-pinctrl", U8500_PRCMU_BASE, "pinctrl-db8500", NULL), diff --git a/arch/arm/mach-ux500/setup.h b/arch/arm/mach-ux500/setup.h index bddce2b4937..cad3ca86c54 100644 --- a/arch/arm/mach-ux500/setup.h +++ b/arch/arm/mach-ux500/setup.h @@ -18,7 +18,7 @@ void __init ux500_map_io(void); extern void __init u8500_map_io(void); -extern struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500); +extern struct device * __init u8500_init_devices(void); extern void __init ux500_init_irq(void); extern void __init ux500_init_late(void); diff --git a/arch/arm/mach-vt8500/vt8500.c b/arch/arm/mach-vt8500/vt8500.c index 1dd281efc02..f5c33df7a59 100644 --- a/arch/arm/mach-vt8500/vt8500.c +++ b/arch/arm/mach-vt8500/vt8500.c @@ -173,6 +173,7 @@ static const char * const vt8500_dt_compat[] = { "wm,wm8505", "wm,wm8750", "wm,wm8850", + NULL }; DT_MACHINE_START(WMT_DT, "VIA/Wondermedia SoC (Device Tree Support)") diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index 251f827271e..c019b7aaf77 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -383,7 +383,7 @@ static struct resource orion_ge10_shared_resources[] = { static struct platform_device orion_ge10_shared = { .name = MV643XX_ETH_SHARED_NAME, - .id = 1, + .id = 2, .dev = { .platform_data = &orion_ge10_shared_data, }, @@ -398,8 +398,8 @@ static struct resource orion_ge10_resources[] = { static struct platform_device orion_ge10 = { .name = MV643XX_ETH_NAME, - .id = 1, - .num_resources = 2, + .id = 2, + .num_resources = 1, .resource = orion_ge10_resources, .dev = { .coherent_dma_mask = DMA_BIT_MASK(32), @@ -432,7 +432,7 @@ static struct resource orion_ge11_shared_resources[] = { static struct platform_device orion_ge11_shared = { .name = MV643XX_ETH_SHARED_NAME, - .id = 1, + .id = 3, .dev = { .platform_data = &orion_ge11_shared_data, }, @@ -447,8 +447,8 @@ static struct resource orion_ge11_resources[] = { static struct platform_device orion_ge11 = { .name = MV643XX_ETH_NAME, - .id = 1, - .num_resources = 2, + .id = 3, + .num_resources = 1, .resource = orion_ge11_resources, .dev = { .coherent_dma_mask = DMA_BIT_MASK(32), diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h index e06fc5fefa1..d9a24f605a2 100644 --- a/arch/arm/plat-orion/include/plat/common.h +++ b/arch/arm/plat-orion/include/plat/common.h @@ -10,6 +10,7 @@ #ifndef __PLAT_COMMON_H #include <linux/mv643xx_eth.h> +#include <linux/platform_data/usb-ehci-orion.h> struct dsa_platform_data; struct mv_sata_platform_data; diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c index ca07cb1b155..79690f2f6d3 100644 --- a/arch/arm/plat-samsung/adc.c +++ b/arch/arm/plat-samsung/adc.c @@ -381,11 +381,6 @@ static int s3c_adc_probe(struct platform_device *pdev) } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!regs) { - dev_err(dev, "failed to find registers\n"); - return -ENXIO; - } - adc->regs = devm_ioremap_resource(dev, regs); if (IS_ERR(adc->regs)) return PTR_ERR(adc->regs); diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S index 323ce1a62bb..46e17492fd1 100644 --- a/arch/arm/vfp/entry.S +++ b/arch/arm/vfp/entry.S @@ -60,7 +60,7 @@ ENTRY(vfp_testing_entry) str r11, [r10, #TI_PREEMPT] #endif ldr r0, VFP_arch_address - str r5, [r0] @ known non-zero value + str r0, [r0] @ set to non-zero value mov pc, r9 @ we have handled the fault ENDPROC(vfp_testing_entry) diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index d30042e3997..13609e01f4b 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -152,11 +152,12 @@ int xen_unmap_domain_mfn_range(struct vm_area_struct *vma, } EXPORT_SYMBOL_GPL(xen_unmap_domain_mfn_range); -static int __init xen_secondary_init(unsigned int cpu) +static void __init xen_percpu_init(void *unused) { struct vcpu_register_vcpu_info info; struct vcpu_info *vcpup; int err; + int cpu = get_cpu(); pr_info("Xen: initializing cpu%d\n", cpu); vcpup = per_cpu_ptr(xen_vcpu_info, cpu); @@ -165,14 +166,10 @@ static int __init xen_secondary_init(unsigned int cpu) info.offset = offset_in_page(vcpup); err = HYPERVISOR_vcpu_op(VCPUOP_register_vcpu_info, cpu, &info); - if (err) { - pr_debug("register_vcpu_info failed: err=%d\n", err); - } else { - /* This cpu is using the registered vcpu info, even if - later ones fail to. */ - per_cpu(xen_vcpu, cpu) = vcpup; - } - return 0; + BUG_ON(err); + per_cpu(xen_vcpu, cpu) = vcpup; + + enable_percpu_irq(xen_events_irq, 0); } static void xen_restart(char str, const char *cmd) @@ -208,7 +205,6 @@ static int __init xen_guest_init(void) const char *version = NULL; const char *xen_prefix = "xen,xen-"; struct resource res; - int i; node = of_find_compatible_node(NULL, NULL, "xen,xen"); if (!node) { @@ -265,19 +261,23 @@ static int __init xen_guest_init(void) sizeof(struct vcpu_info)); if (xen_vcpu_info == NULL) return -ENOMEM; - for_each_online_cpu(i) - xen_secondary_init(i); gnttab_init(); if (!xen_initial_domain()) xenbus_probe(NULL); + return 0; +} +core_initcall(xen_guest_init); + +static int __init xen_pm_init(void) +{ pm_power_off = xen_power_off; arm_pm_restart = xen_restart; return 0; } -core_initcall(xen_guest_init); +subsys_initcall(xen_pm_init); static irqreturn_t xen_arm_callback(int irq, void *arg) { @@ -285,11 +285,6 @@ static irqreturn_t xen_arm_callback(int irq, void *arg) return IRQ_HANDLED; } -static __init void xen_percpu_enable_events(void *unused) -{ - enable_percpu_irq(xen_events_irq, 0); -} - static int __init xen_init_events(void) { if (!xen_domain() || xen_events_irq < 0) @@ -303,7 +298,7 @@ static int __init xen_init_events(void) return -EINVAL; } - on_each_cpu(xen_percpu_enable_events, NULL, 0); + on_each_cpu(xen_percpu_init, NULL, 0); return 0; } |