diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1dbb58c1feed..9f2d203162b2 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -696,7 +696,6 @@ config ARCH_SA1100 select GENERIC_CLOCKEVENTS select HAVE_IDE select ISA - select NEED_MACH_GPIO_H select NEED_MACH_MEMORY_H select SPARSE_IRQ help diff --git a/arch/arm/configs/h3600_defconfig b/arch/arm/configs/h3600_defconfig index 317960f12488..0142ec37e0be 100644 --- a/arch/arm/configs/h3600_defconfig +++ b/arch/arm/configs/h3600_defconfig @@ -1,5 +1,6 @@ -CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y +CONFIG_NO_HZ_IDLE=y +CONFIG_HIGH_RES_TIMERS=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y CONFIG_MODULES=y @@ -11,11 +12,11 @@ CONFIG_ARCH_SA1100=y CONFIG_SA1100_H3600=y CONFIG_PCCARD=y CONFIG_PCMCIA_SA1100=y +CONFIG_PREEMPT=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 # CONFIG_CPU_FREQ_STAT is not set CONFIG_FPE_NWFPE=y -CONFIG_PM=y CONFIG_NET=y CONFIG_UNIX=y CONFIG_INET=y @@ -24,13 +25,10 @@ CONFIG_IRDA=m CONFIG_IRLAN=m CONFIG_IRNET=m CONFIG_IRCOMM=m -CONFIG_SA1100_FIR=m # CONFIG_WIRELESS is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_MTD=y -CONFIG_MTD_PARTITIONS=y CONFIG_MTD_REDBOOT_PARTS=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_ADV_OPTIONS=y @@ -41,19 +39,15 @@ CONFIG_MTD_SA1100=y CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 -# CONFIG_MISC_DEVICES is not set CONFIG_IDE=y CONFIG_BLK_DEV_IDECS=y CONFIG_NETDEVICES=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set -# CONFIG_WLAN is not set -CONFIG_NET_PCMCIA=y CONFIG_PCMCIA_PCNET=y CONFIG_PPP=m -CONFIG_PPP_ASYNC=m -CONFIG_PPP_DEFLATE=m CONFIG_PPP_BSDCOMP=m +CONFIG_PPP_DEFLATE=m +CONFIG_PPP_ASYNC=m +# CONFIG_WLAN is not set # CONFIG_KEYBOARD_ATKBD is not set CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set @@ -64,8 +58,6 @@ CONFIG_SERIAL_SA1100_CONSOLE=y # CONFIG_HWMON is not set CONFIG_FB=y CONFIG_FB_SA1100=y -# CONFIG_VGA_CONSOLE is not set -# CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y CONFIG_MSDOS_FS=m @@ -74,6 +66,4 @@ CONFIG_JFFS2_FS=y CONFIG_CRAMFS=m CONFIG_NFS_FS=y CONFIG_NFSD=m -CONFIG_SMB_FS=m CONFIG_NLS=y -# CONFIG_RCU_CPU_STALL_DETECTOR is not set diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 55090fbb81a2..b3fb8c9e1ff2 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -192,6 +192,7 @@ __dabt_svc: svc_entry mov r2, sp dabt_helper + THUMB( ldr r5, [sp, #S_PSR] ) @ potentially updated CPSR svc_exit r5 @ return from exception UNWIND(.fnend ) ENDPROC(__dabt_svc) diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 64845fc4152a..04d63880037f 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -353,12 +353,18 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig, */ thumb = handler & 1; +#if __LINUX_ARM_ARCH__ >= 7 + /* + * Clear the If-Then Thumb-2 execution state + * ARM spec requires this to be all 000s in ARM mode + * Snapdragon S4/Krait misbehaves on a Thumb=>ARM + * signal transition without this. + */ + cpsr &= ~PSR_IT_MASK; +#endif + if (thumb) { cpsr |= PSR_T_BIT; -#if __LINUX_ARM_ARCH__ >= 7 - /* clear the If-Then Thumb-2 execution state */ - cpsr &= ~PSR_IT_MASK; -#endif } else cpsr &= ~PSR_T_BIT; } diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig index 3c3bff715b47..0ca7377746c8 100644 --- a/arch/arm/mach-highbank/Kconfig +++ b/arch/arm/mach-highbank/Kconfig @@ -9,7 +9,7 @@ config ARCH_HIGHBANK select ARM_AMBA select ARM_ERRATA_764369 select ARM_ERRATA_775420 - select ARM_ERRATA_798181 + select ARM_ERRATA_798181 if SMP select ARM_GIC select ARM_TIMER_SP804 select CACHE_L2X0 diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index e838ba27e443..c9808c684152 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -512,6 +512,9 @@ static void __init assabet_map_io(void) * Its called GPCLKR0 in my SA1110 manual. */ Ser1SDCR0 |= SDCR0_SUS; + MSC1 = (MSC1 & ~0xffff) | + MSC_NonBrst | MSC_32BitStMem | + MSC_RdAcc(2) | MSC_WrAcc(2) | MSC_Rec(0); if (!machine_has_neponset()) sa1100_register_uart_fns(&assabet_port_fns); diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h deleted file mode 100644 index 6a9eecf3137e..000000000000 --- a/arch/arm/mach-sa1100/include/mach/gpio.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/gpio.h - * - * SA1100 GPIO wrappers for arch-neutral GPIO calls - * - * Written by Philipp Zabel - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __ASM_ARCH_SA1100_GPIO_H -#define __ASM_ARCH_SA1100_GPIO_H - -#include -#include -#include -#include - -#define __ARM_GPIOLIB_COMPLEX - -static inline int gpio_get_value(unsigned gpio) -{ - if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) - return GPLR & GPIO_GPIO(gpio); - else - return __gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) - if (value) - GPSR = GPIO_GPIO(gpio); - else - GPCR = GPIO_GPIO(gpio); - else - __gpio_set_value(gpio, value); -} - -#define gpio_cansleep __gpio_cansleep - -#endif diff --git a/arch/arm/mach-sa1100/include/mach/h3xxx.h b/arch/arm/mach-sa1100/include/mach/h3xxx.h index 7d9df16f04a2..c810620db53d 100644 --- a/arch/arm/mach-sa1100/include/mach/h3xxx.h +++ b/arch/arm/mach-sa1100/include/mach/h3xxx.h @@ -13,6 +13,8 @@ #ifndef _INCLUDE_H3XXX_H_ #define _INCLUDE_H3XXX_H_ +#include "hardware.h" /* Gives GPIO_MAX */ + /* Physical memory regions corresponding to chip selects */ #define H3600_EGPIO_PHYS (SA1100_CS5_PHYS + 0x01000000) #define H3600_BANK_2_PHYS SA1100_CS2_PHYS diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c index bcbc94540e45..41e476e571d7 100644 --- a/arch/arm/mach-sa1100/simpad.c +++ b/arch/arm/mach-sa1100/simpad.c @@ -19,6 +19,7 @@ #include #include +#include #include #include diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index 67a76f2dfb9f..f26428d8b62a 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -54,7 +54,7 @@ config ARCH_TEGRA_3x_SOC config ARCH_TEGRA_114_SOC bool "Enable support for Tegra114 family" select HAVE_ARM_ARCH_TIMER - select ARM_ERRATA_798181 + select ARM_ERRATA_798181 if SMP select ARM_L1_CACHE_SHIFT_6 select PINCTRL_TEGRA114 help diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 1272ed202dde..b5a3f6031146 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -687,7 +687,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs) { - pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel); + pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL); void *memory; if (dma_alloc_from_coherent(dev, size, handle, &memory)) @@ -700,7 +700,7 @@ void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, static void *arm_coherent_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs) { - pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel); + pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL); void *memory; if (dma_alloc_from_coherent(dev, size, handle, &memory)) diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c index 9d285626bc7d..312e15e6d00b 100644 --- a/arch/arm/mm/extable.c +++ b/arch/arm/mm/extable.c @@ -9,8 +9,13 @@ int fixup_exception(struct pt_regs *regs) const struct exception_table_entry *fixup; fixup = search_exception_tables(instruction_pointer(regs)); - if (fixup) + if (fixup) { regs->ARM_pc = fixup->fixup; +#ifdef CONFIG_THUMB2_KERNEL + /* Clear the IT state to avoid nasty surprises in the fixup */ + regs->ARM_cpsr &= ~PSR_IT_MASK; +#endif + } return fixup != NULL; } diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 52b8f40b1c73..2f37e1d6cb45 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -642,9 +642,9 @@ int vfp_restore_user_hwstate(struct user_vfp __user *ufp, static int vfp_hotplug(struct notifier_block *b, unsigned long action, void *hcpu) { - if (action == CPU_DYING || action == CPU_DYING_FROZEN) { - vfp_force_reload((long)hcpu, current_thread_info()); - } else if (action == CPU_STARTING || action == CPU_STARTING_FROZEN) + if (action == CPU_DYING || action == CPU_DYING_FROZEN) + vfp_current_hw_state[(long)hcpu] = NULL; + else if (action == CPU_STARTING || action == CPU_STARTING_FROZEN) vfp_enable(NULL); return NOTIFY_OK; } diff --git a/drivers/gpio/gpio-sa1100.c b/drivers/gpio/gpio-sa1100.c index 8ea3b33d4b40..a90be34e4d5c 100644 --- a/drivers/gpio/gpio-sa1100.c +++ b/drivers/gpio/gpio-sa1100.c @@ -10,7 +10,7 @@ #include #include #include - +#include #include #include diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index c3785edc0e92..d135c76c4855 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -62,6 +62,7 @@ static unsigned int fmax = 515633; * @signal_direction: input/out direction of bus signals can be indicated * @pwrreg_clkgate: MMCIPOWER register must be used to gate the clock * @busy_detect: true if busy detection on dat0 is supported + * @pwrreg_nopower: bits in MMCIPOWER don't controls ext. power supply */ struct variant_data { unsigned int clkreg; @@ -76,6 +77,7 @@ struct variant_data { bool signal_direction; bool pwrreg_clkgate; bool busy_detect; + bool pwrreg_nopower; }; static struct variant_data variant_arm = { @@ -109,6 +111,7 @@ static struct variant_data variant_u300 = { .pwrreg_powerup = MCI_PWR_ON, .signal_direction = true, .pwrreg_clkgate = true, + .pwrreg_nopower = true, }; static struct variant_data variant_nomadik = { @@ -121,6 +124,7 @@ static struct variant_data variant_nomadik = { .pwrreg_powerup = MCI_PWR_ON, .signal_direction = true, .pwrreg_clkgate = true, + .pwrreg_nopower = true, }; static struct variant_data variant_ux500 = { @@ -135,6 +139,7 @@ static struct variant_data variant_ux500 = { .signal_direction = true, .pwrreg_clkgate = true, .busy_detect = true, + .pwrreg_nopower = true, }; static struct variant_data variant_ux500v2 = { @@ -150,6 +155,7 @@ static struct variant_data variant_ux500v2 = { .signal_direction = true, .pwrreg_clkgate = true, .busy_detect = true, + .pwrreg_nopower = true, }; static int mmci_card_busy(struct mmc_host *mmc) @@ -189,6 +195,21 @@ static int mmci_validate_data(struct mmci_host *host, return 0; } +static void mmci_reg_delay(struct mmci_host *host) +{ + /* + * According to the spec, at least three feedback clock cycles + * of max 52 MHz must pass between two writes to the MMCICLOCK reg. + * Three MCLK clock cycles must pass between two MMCIPOWER reg writes. + * Worst delay time during card init is at 100 kHz => 30 us. + * Worst delay time when up and running is at 25 MHz => 120 ns. + */ + if (host->cclk < 25000000) + udelay(30); + else + ndelay(120); +} + /* * This must be called with host->lock held */ @@ -1264,6 +1285,7 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) mmci_set_clkreg(host, ios->clock); mmci_write_pwrreg(host, pwr); + mmci_reg_delay(host); spin_unlock_irqrestore(&host->lock, flags); @@ -1510,23 +1532,6 @@ static int mmci_probe(struct amba_device *dev, mmc->f_max = min(host->mclk, fmax); dev_dbg(mmc_dev(mmc), "clocking block at %u Hz\n", mmc->f_max); - host->pinctrl = devm_pinctrl_get(&dev->dev); - if (IS_ERR(host->pinctrl)) { - ret = PTR_ERR(host->pinctrl); - goto clk_disable; - } - - host->pins_default = pinctrl_lookup_state(host->pinctrl, - PINCTRL_STATE_DEFAULT); - - /* enable pins to be muxed in and configured */ - if (!IS_ERR(host->pins_default)) { - ret = pinctrl_select_state(host->pinctrl, host->pins_default); - if (ret) - dev_warn(&dev->dev, "could not set default pins\n"); - } else - dev_warn(&dev->dev, "could not get default pinstate\n"); - /* Get regulators and the supported OCR mask */ mmc_regulator_get_supply(mmc); if (!mmc->ocr_avail) @@ -1760,6 +1765,41 @@ static int mmci_resume(struct device *dev) #endif #ifdef CONFIG_PM_RUNTIME +static void mmci_save(struct mmci_host *host) +{ + unsigned long flags; + + if (host->variant->pwrreg_nopower) { + spin_lock_irqsave(&host->lock, flags); + + writel(0, host->base + MMCIMASK0); + writel(0, host->base + MMCIDATACTRL); + writel(0, host->base + MMCIPOWER); + writel(0, host->base + MMCICLOCK); + mmci_reg_delay(host); + + spin_unlock_irqrestore(&host->lock, flags); + } + +} + +static void mmci_restore(struct mmci_host *host) +{ + unsigned long flags; + + if (host->variant->pwrreg_nopower) { + spin_lock_irqsave(&host->lock, flags); + + writel(host->clk_reg, host->base + MMCICLOCK); + writel(host->datactrl_reg, host->base + MMCIDATACTRL); + writel(host->pwr_reg, host->base + MMCIPOWER); + writel(MCI_IRQENABLE, host->base + MMCIMASK0); + mmci_reg_delay(host); + + spin_unlock_irqrestore(&host->lock, flags); + } +} + static int mmci_runtime_suspend(struct device *dev) { struct amba_device *adev = to_amba_device(dev); @@ -1767,6 +1807,8 @@ static int mmci_runtime_suspend(struct device *dev) if (mmc) { struct mmci_host *host = mmc_priv(mmc); + pinctrl_pm_select_sleep_state(dev); + mmci_save(host); clk_disable_unprepare(host->clk); } @@ -1781,6 +1823,8 @@ static int mmci_runtime_resume(struct device *dev) if (mmc) { struct mmci_host *host = mmc_priv(mmc); clk_prepare_enable(host->clk); + mmci_restore(host); + pinctrl_pm_select_default_state(dev); } return 0; diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 69080fab6375..168bc72f7a94 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -200,10 +200,6 @@ struct mmci_host { struct sg_mapping_iter sg_miter; unsigned int size; - /* pinctrl handles */ - struct pinctrl *pinctrl; - struct pinctrl_state *pins_default; - #ifdef CONFIG_DMA_ENGINE /* DMA stuff */ struct dma_chan *dma_current;