diff options
Diffstat (limited to 'arch/arm')
84 files changed, 583 insertions, 1050 deletions
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 8ebbb511c783..0c6852d93506 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -74,7 +74,7 @@ ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT) ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS) else ZTEXTADDR := 0 -ZBSSADDR := ALIGN(4) +ZBSSADDR := ALIGN(8) endif SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index adf583cd0c35..49f5b2eaaa87 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -179,15 +179,14 @@ not_angel: bl cache_on restart: adr r0, LC0 - ldmia r0, {r1, r2, r3, r5, r6, r9, r11, r12} - ldr sp, [r0, #32] + ldmia r0, {r1, r2, r3, r6, r9, r11, r12} + ldr sp, [r0, #28] /* * We might be running at a different address. We need * to fix up various pointers. */ sub r0, r0, r1 @ calculate the delta offset - add r5, r5, r0 @ _start add r6, r6, r0 @ _edata #ifndef CONFIG_ZBOOT_ROM @@ -206,31 +205,40 @@ restart: adr r0, LC0 /* * Check to see if we will overwrite ourselves. * r4 = final kernel address - * r5 = start of this image * r9 = size of decompressed image * r10 = end of this image, including bss/stack/malloc space if non XIP * We basically want: - * r4 >= r10 -> OK - * r4 + image length <= r5 -> OK + * r4 - 16k page directory >= r10 -> OK + * r4 + image length <= current position (pc) -> OK */ + add r10, r10, #16384 cmp r4, r10 bhs wont_overwrite add r10, r4, r9 - cmp r10, r5 + ARM( cmp r10, pc ) + THUMB( mov lr, pc ) + THUMB( cmp r10, lr ) bls wont_overwrite /* * Relocate ourselves past the end of the decompressed kernel. - * r5 = start of this image * r6 = _edata * r10 = end of the decompressed kernel * Because we always copy ahead, we need to do it from the end and go * backward in case the source and destination overlap. */ - /* Round up to next 256-byte boundary. */ - add r10, r10, #256 + /* + * Bump to the next 256-byte boundary with the size of + * the relocation code added. This avoids overwriting + * ourself when the offset is small. + */ + add r10, r10, #((reloc_code_end - restart + 256) & ~255) bic r10, r10, #255 + /* Get start of code we want to copy and align it down. */ + adr r5, restart + bic r5, r5, #31 + sub r9, r6, r5 @ size to copy add r9, r9, #31 @ rounded up to a multiple bic r9, r9, #31 @ ... of 32 bytes @@ -245,6 +253,11 @@ restart: adr r0, LC0 /* Preserve offset to relocated code. */ sub r6, r9, r6 +#ifndef CONFIG_ZBOOT_ROM + /* cache_clean_flush may use the stack, so relocate it */ + add sp, sp, r6 +#endif + bl cache_clean_flush adr r0, BSYM(restart) @@ -333,7 +346,6 @@ not_relocated: mov r0, #0 LC0: .word LC0 @ r1 .word __bss_start @ r2 .word _end @ r3 - .word _start @ r5 .word _edata @ r6 .word _image_size @ r9 .word _got_start @ r11 @@ -1062,6 +1074,7 @@ memdump: mov r12, r0 #endif .ltorg +reloc_code_end: .align .section ".stack", "aw", %nobits diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in index 5309909d7282..ea80abe78844 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.in +++ b/arch/arm/boot/compressed/vmlinux.lds.in @@ -54,6 +54,7 @@ SECTIONS .bss : { *(.bss) } _end = .; + . = ALIGN(8); /* the stack must be 64-bit aligned */ .stack : { *(.stack) } .stab 0 : { *(.stab) } diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c index 113085a77123..7aa4262ada7a 100644 --- a/arch/arm/common/vic.c +++ b/arch/arm/common/vic.c @@ -22,17 +22,16 @@ #include <linux/init.h> #include <linux/list.h> #include <linux/io.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/device.h> #include <linux/amba/bus.h> #include <asm/mach/irq.h> #include <asm/hardware/vic.h> -#if defined(CONFIG_PM) +#ifdef CONFIG_PM /** * struct vic_device - VIC PM device - * @sysdev: The system device which is registered. * @irq: The IRQ number for the base of the VIC. * @base: The register base for the VIC. * @resume_sources: A bitmask of interrupts for resume. @@ -43,8 +42,6 @@ * @protect: Save for VIC_PROTECT. */ struct vic_device { - struct sys_device sysdev; - void __iomem *base; int irq; u32 resume_sources; @@ -59,11 +56,6 @@ struct vic_device { static struct vic_device vic_devices[CONFIG_ARM_VIC_NR]; static int vic_id; - -static inline struct vic_device *to_vic(struct sys_device *sys) -{ - return container_of(sys, struct vic_device, sysdev); -} #endif /* CONFIG_PM */ /** @@ -85,10 +77,9 @@ static void vic_init2(void __iomem *base) writel(32, base + VIC_PL190_DEF_VECT_ADDR); } -#if defined(CONFIG_PM) -static int vic_class_resume(struct sys_device *dev) +#ifdef CONFIG_PM +static void resume_one_vic(struct vic_device *vic) { - struct vic_device *vic = to_vic(dev); void __iomem *base = vic->base; printk(KERN_DEBUG "%s: resuming vic at %p\n", __func__, base); @@ -107,13 +98,18 @@ static int vic_class_resume(struct sys_device *dev) writel(vic->soft_int, base + VIC_INT_SOFT); writel(~vic->soft_int, base + VIC_INT_SOFT_CLEAR); +} - return 0; +static void vic_resume(void) +{ + int id; + + for (id = vic_id - 1; id >= 0; id--) + resume_one_vic(vic_devices + id); } -static int vic_class_suspend(struct sys_device *dev, pm_message_t state) +static void suspend_one_vic(struct vic_device *vic) { - struct vic_device *vic = to_vic(dev); void __iomem *base = vic->base; printk(KERN_DEBUG "%s: suspending vic at %p\n", __func__, base); @@ -128,14 +124,21 @@ static int vic_class_suspend(struct sys_device *dev, pm_message_t state) writel(vic->resume_irqs, base + VIC_INT_ENABLE); writel(~vic->resume_irqs, base + VIC_INT_ENABLE_CLEAR); +} + +static int vic_suspend(void) +{ + int id; + + for (id = 0; id < vic_id; id++) + suspend_one_vic(vic_devices + id); return 0; } -struct sysdev_class vic_class = { - .name = "vic", - .suspend = vic_class_suspend, - .resume = vic_class_resume, +struct syscore_ops vic_syscore_ops = { + .suspend = vic_suspend, + .resume = vic_resume, }; /** @@ -147,30 +150,8 @@ struct sysdev_class vic_class = { */ static int __init vic_pm_init(void) { - struct vic_device *dev = vic_devices; - int err; - int id; - - if (vic_id == 0) - return 0; - - err = sysdev_class_register(&vic_class); - if (err) { - printk(KERN_ERR "%s: cannot register class\n", __func__); - return err; - } - - for (id = 0; id < vic_id; id++, dev++) { - dev->sysdev.id = id; - dev->sysdev.cls = &vic_class; - - err = sysdev_register(&dev->sysdev); - if (err) { - printk(KERN_ERR "%s: failed to register device\n", - __func__); - return err; - } - } + if (vic_id > 0) + register_syscore_ops(&vic_syscore_ops); return 0; } diff --git a/arch/arm/include/asm/i8253.h b/arch/arm/include/asm/i8253.h new file mode 100644 index 000000000000..70656b69d5ce --- /dev/null +++ b/arch/arm/include/asm/i8253.h @@ -0,0 +1,15 @@ +#ifndef __ASMARM_I8253_H +#define __ASMARM_I8253_H + +/* i8253A PIT registers */ +#define PIT_MODE 0x43 +#define PIT_CH0 0x40 + +#define PIT_LATCH ((PIT_TICK_RATE + HZ / 2) / HZ) + +extern raw_spinlock_t i8253_lock; + +#define outb_pit outb_p +#define inb_pit inb_p + +#endif diff --git a/arch/arm/include/asm/mach/time.h b/arch/arm/include/asm/mach/time.h index 883f6be5117a..d5adaae5ee2c 100644 --- a/arch/arm/include/asm/mach/time.h +++ b/arch/arm/include/asm/mach/time.h @@ -34,7 +34,6 @@ * timer interrupt which may be pending. */ struct sys_timer { - struct sys_device dev; void (*init)(void); void (*suspend)(void); void (*resume)(void); diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 885be097769d..832888d0c20c 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -159,7 +159,7 @@ extern unsigned int user_debug; #include <mach/barriers.h> #elif defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP) #define mb() do { dsb(); outer_sync(); } while (0) -#define rmb() dmb() +#define rmb() dsb() #define wmb() mb() #else #include <asm/memory.h> diff --git a/arch/arm/kernel/leds.c b/arch/arm/kernel/leds.c index 31a316c1777b..0f107dcb0347 100644 --- a/arch/arm/kernel/leds.c +++ b/arch/arm/kernel/leds.c @@ -10,6 +10,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <asm/leds.h> @@ -69,36 +70,37 @@ static ssize_t leds_store(struct sys_device *dev, static SYSDEV_ATTR(event, 0200, NULL, leds_store); -static int leds_suspend(struct sys_device *dev, pm_message_t state) +static struct sysdev_class leds_sysclass = { + .name = "leds", +}; + +static struct sys_device leds_device = { + .id = 0, + .cls = &leds_sysclass, +}; + +static int leds_suspend(void) { leds_event(led_stop); return 0; } -static int leds_resume(struct sys_device *dev) +static void leds_resume(void) { leds_event(led_start); - return 0; } -static int leds_shutdown(struct sys_device *dev) +static void leds_shutdown(void) { leds_event(led_halted); - return 0; } -static struct sysdev_class leds_sysclass = { - .name = "leds", +static struct syscore_ops leds_syscore_ops = { .shutdown = leds_shutdown, .suspend = leds_suspend, .resume = leds_resume, }; -static struct sys_device leds_device = { - .id = 0, - .cls = &leds_sysclass, -}; - static int __init leds_init(void) { int ret; @@ -107,6 +109,8 @@ static int __init leds_init(void) ret = sysdev_register(&leds_device); if (ret == 0) ret = sysdev_create_file(&leds_device, &attr_event); + if (ret == 0) + register_syscore_ops(&leds_syscore_ops); return ret; } diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index cb8398317644..0340224cf73c 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -597,19 +597,13 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, return err; } -static inline void setup_syscall_restart(struct pt_regs *regs) -{ - regs->ARM_r0 = regs->ARM_ORIG_r0; - regs->ARM_pc -= thumb_mode(regs) ? 2 : 4; -} - /* * OK, we're invoking a handler */ static int handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, - struct pt_regs * regs, int syscall) + struct pt_regs * regs) { struct thread_info *thread = current_thread_info(); struct task_struct *tsk = current; @@ -617,26 +611,6 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, int ret; /* - * If we were from a system call, check for system call restarting... - */ - if (syscall) { - switch (regs->ARM_r0) { - case -ERESTART_RESTARTBLOCK: - case -ERESTARTNOHAND: - regs->ARM_r0 = -EINTR; - break; - case -ERESTARTSYS: - if (!(ka->sa.sa_flags & SA_RESTART)) { - regs->ARM_r0 = -EINTR; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - setup_syscall_restart(regs); - } - } - - /* * translate the signal */ if (usig < 32 && thread->exec_domain && thread->exec_domain->signal_invmap) @@ -685,6 +659,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, */ static void do_signal(struct pt_regs *regs, int syscall) { + unsigned int retval = 0, continue_addr = 0, restart_addr = 0; struct k_sigaction ka; siginfo_t info; int signr; @@ -698,18 +673,61 @@ static void do_signal(struct pt_regs *regs, int syscall) if (!user_mode(regs)) return; + /* + * If we were from a system call, check for system call restarting... + */ + if (syscall) { + continue_addr = regs->ARM_pc; + restart_addr = continue_addr - (thumb_mode(regs) ? 2 : 4); + retval = regs->ARM_r0; + + /* + * Prepare for system call restart. We do this here so that a + * debugger will see the already changed PSW. + */ + switch (retval) { + case -ERESTARTNOHAND: + case -ERESTARTSYS: + case -ERESTARTNOINTR: + regs->ARM_r0 = regs->ARM_ORIG_r0; + regs->ARM_pc = restart_addr; + break; + case -ERESTART_RESTARTBLOCK: + regs->ARM_r0 = -EINTR; + break; + } + } + if (try_to_freeze()) goto no_signal; + /* + * Get the signal to deliver. When running under ptrace, at this + * point the debugger may change all our registers ... + */ signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { sigset_t *oldset; + /* + * Depending on the signal settings we may need to revert the + * decision to restart the system call. But skip this if a + * debugger has chosen to restart at a different PC. + */ + if (regs->ARM_pc == restart_addr) { + if (retval == -ERESTARTNOHAND + || (retval == -ERESTARTSYS + && !(ka.sa.sa_flags & SA_RESTART))) { + regs->ARM_r0 = -EINTR; + regs->ARM_pc = continue_addr; + } + } + if (test_thread_flag(TIF_RESTORE_SIGMASK)) oldset = ¤t->saved_sigmask; else oldset = ¤t->blocked; - if (handle_signal(signr, &ka, &info, oldset, regs, syscall) == 0) { + if (handle_signal(signr, &ka, &info, oldset, regs) == 0) { /* * A signal was successfully delivered; the saved * sigmask will have been stored in the signal frame, @@ -723,11 +741,14 @@ static void do_signal(struct pt_regs *regs, int syscall) } no_signal: - /* - * No signal to deliver to the process - restart the syscall. - */ if (syscall) { - if (regs->ARM_r0 == -ERESTART_RESTARTBLOCK) { + /* + * Handle restarting a different system call. As above, + * if a debugger has chosen to restart at a different PC, + * ignore the restart. + */ + if (retval == -ERESTART_RESTARTBLOCK + && regs->ARM_pc == continue_addr) { if (thumb_mode(regs)) { regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE; regs->ARM_pc -= 2; @@ -750,11 +771,6 @@ static void do_signal(struct pt_regs *regs, int syscall) #endif } } - if (regs->ARM_r0 == -ERESTARTNOHAND || - regs->ARM_r0 == -ERESTARTSYS || - regs->ARM_r0 == -ERESTARTNOINTR) { - setup_syscall_restart(regs); - } /* If there's no signal to deliver, we just put the saved sigmask * back. diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index f29b8a29b174..007a0a950e75 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -560,10 +560,7 @@ asmlinkage void __exception_irq_entry do_IPI(int ipinr, struct pt_regs *regs) break; case IPI_RESCHEDULE: - /* - * nothing more to do - eveything is - * done on the interrupt return path - */ + scheduler_ipi(); break; case IPI_CALL_FUNC: diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index 1ff46cabc7ef..cb634c3e28e9 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -21,7 +21,7 @@ #include <linux/timex.h> #include <linux/errno.h> #include <linux/profile.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/timer.h> #include <linux/irq.h> @@ -115,48 +115,37 @@ void timer_tick(void) #endif #if defined(CONFIG_PM) && !defined(CONFIG_GENERIC_CLOCKEVENTS) -static int timer_suspend(struct sys_device *dev, pm_message_t state) +static int timer_suspend(void) { - struct sys_timer *timer = container_of(dev, struct sys_timer, dev); - - if (timer->suspend != NULL) - timer->suspend(); + if (system_timer->suspend) + system_timer->suspend(); return 0; } -static int timer_resume(struct sys_device *dev) +static void timer_resume(void) { - struct sys_timer *timer = container_of(dev, struct sys_timer, dev); - - if (timer->resume != NULL) - timer->resume(); - - return 0; + if (system_timer->resume) + system_timer->resume(); } #else #define timer_suspend NULL #define timer_resume NULL #endif -static struct sysdev_class timer_sysclass = { - .name = "timer", +static struct syscore_ops timer_syscore_ops = { .suspend = timer_suspend, .resume = timer_resume, }; -static int __init timer_init_sysfs(void) +static int __init timer_init_syscore_ops(void) { - int ret = sysdev_class_register(&timer_sysclass); - if (ret == 0) { - system_timer->dev.cls = &timer_sysclass; - ret = sysdev_register(&system_timer->dev); - } + register_syscore_ops(&timer_syscore_ops); - return ret; + return 0; } -device_initcall(timer_init_sysfs); +device_initcall(timer_init_syscore_ops); void __init time_init(void) { diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 3b54ad19d489..d52eec268b47 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -234,7 +234,6 @@ static int __die(const char *str, int err, struct thread_info *thread, struct pt printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", str, err, ++die_counter); - sysfs_printk_last_file(); /* trap and error numbers are mostly meaningless on ARM */ ret = notify_die(DIE_OOPS, str, regs, err, tsk->thread.trap_no, SIGSEGV); diff --git a/arch/arm/mach-davinci/cpufreq.c b/arch/arm/mach-davinci/cpufreq.c index 0a95be1512bb..41669ecc1f91 100644 --- a/arch/arm/mach-davinci/cpufreq.c +++ b/arch/arm/mach-davinci/cpufreq.c @@ -94,9 +94,7 @@ static int davinci_target(struct cpufreq_policy *policy, if (freqs.old == freqs.new) return ret; - cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, - dev_driver_string(cpufreq.dev), - "transition: %u --> %u\n", freqs.old, freqs.new); + dev_dbg(&cpufreq.dev, "transition: %u --> %u\n", freqs.old, freqs.new); ret = cpufreq_frequency_table_target(policy, pdata->freq_table, freqs.new, relation, &idx); diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c index 10d917d9e3ad..8755ca8dd48d 100644 --- a/arch/arm/mach-exynos4/pm.c +++ b/arch/arm/mach-exynos4/pm.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/suspend.h> +#include <linux/syscore_ops.h> #include <linux/io.h> #include <asm/cacheflush.h> @@ -372,7 +373,27 @@ void exynos4_scu_enable(void __iomem *scu_base) flush_cache_all(); } -static int exynos4_pm_resume(struct sys_device *dev) +static struct sysdev_driver exynos4_pm_driver = { + .add = exynos4_pm_add, +}; + +static __init int exynos4_pm_drvinit(void) +{ + unsigned int tmp; + + s3c_pm_init(); + + /* All wakeup disable */ + + tmp = __raw_readl(S5P_WAKEUP_MASK); + tmp |= ((0xFF << 8) | (0x1F << 1)); + __raw_writel(tmp, S5P_WAKEUP_MASK); + + return sysdev_driver_register(&exynos4_sysclass, &exynos4_pm_driver); +} +arch_initcall(exynos4_pm_drvinit); + +static void exynos4_pm_resume(void) { /* For release retention */ @@ -394,27 +415,15 @@ static int exynos4_pm_resume(struct sys_device *dev) /* enable L2X0*/ writel_relaxed(1, S5P_VA_L2CC + L2X0_CTRL); #endif - - return 0; } -static struct sysdev_driver exynos4_pm_driver = { - .add = exynos4_pm_add, +static struct syscore_ops exynos4_pm_syscore_ops = { .resume = exynos4_pm_resume, }; -static __init int exynos4_pm_drvinit(void) +static __init int exynos4_pm_syscore_init(void) { - unsigned int tmp; - - s3c_pm_init(); - - /* All wakeup disable */ - - tmp = __raw_readl(S5P_WAKEUP_MASK); - tmp |= ((0xFF << 8) | (0x1F << 1)); - __raw_writel(tmp, S5P_WAKEUP_MASK); - - return sysdev_driver_register(&exynos4_sysclass, &exynos4_pm_driver); + register_syscore_ops(&exynos4_pm_syscore_ops); + return 0; } -arch_initcall(exynos4_pm_drvinit); +arch_initcall(exynos4_pm_syscore_init); diff --git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig index bdd257921cfb..46adca068f2c 100644 --- a/arch/arm/mach-footbridge/Kconfig +++ b/arch/arm/mach-footbridge/Kconfig @@ -4,6 +4,7 @@ menu "Footbridge Implementations" config ARCH_CATS bool "CATS" + select CLKSRC_I8253 select FOOTBRIDGE_HOST select ISA select ISA_DMA @@ -59,6 +60,7 @@ config ARCH_EBSA285_HOST config ARCH_NETWINDER bool "NetWinder" + select CLKSRC_I8253 select FOOTBRIDGE_HOST select ISA select ISA_DMA diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c index 441c6ce0d555..7020f1a3feca 100644 --- a/arch/arm/mach-footbridge/isa-timer.c +++ b/arch/arm/mach-footbridge/isa-timer.c @@ -10,53 +10,16 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/spinlock.h> #include <linux/timex.h> #include <asm/irq.h> - +#include <asm/i8253.h> #include <asm/mach/time.h> #include "common.h" -#define PIT_MODE 0x43 -#define PIT_CH0 0x40 - -#define PIT_LATCH ((PIT_TICK_RATE + HZ / 2) / HZ) - -static cycle_t pit_read(struct clocksource *cs) -{ - unsigned long flags; - static int old_count; - static u32 old_jifs; - int count; - u32 jifs; - - raw_local_irq_save(flags); - - jifs = jiffies; - outb_p(0x00, PIT_MODE); /* latch the count */ - count = inb_p(PIT_CH0); /* read the latched count */ - count |= inb_p(PIT_CH0) << 8; - - if (count > old_count && jifs == old_jifs) - count = old_count; - - old_count = count; - old_jifs = jifs; - - raw_local_irq_restore(flags); - - count = (PIT_LATCH - 1) - count; - - return (cycle_t)(jifs * PIT_LATCH) + count; -} - -static struct clocksource pit_cs = { - .name = "pit", - .rating = 110, - .read = pit_read, - .mask = CLOCKSOURCE_MASK(32), -}; +DEFINE_RAW_SPINLOCK(i8253_lock); static void pit_set_mode(enum clock_event_mode mode, struct clock_event_device *evt) @@ -121,7 +84,7 @@ static void __init isa_timer_init(void) pit_ce.max_delta_ns = clockevent_delta2ns(0x7fff, &pit_ce); pit_ce.min_delta_ns = clockevent_delta2ns(0x000f, &pit_ce); - clocksource_register_hz(&pit_cs, PIT_TICK_RATE); + clocksource_i8253_init(); setup_irq(pit_ce.irq, &pit_timer_irq); clockevents_register_device(&pit_ce); diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 980803ff348c..d3e96451529c 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -24,7 +24,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/amba/bus.h> #include <linux/amba/kmi.h> #include <linux/clocksource.h> @@ -180,13 +180,13 @@ static void __init ap_init_irq(void) #ifdef CONFIG_PM static unsigned long ic_irq_enable; -static int irq_suspend(struct sys_device *dev, pm_message_t state) +static int irq_suspend(void) { ic_irq_enable = readl(VA_IC_BASE + IRQ_ENABLE); return 0; } -static int irq_resume(struct sys_device *dev) +static void irq_resume(void) { /* disable all irq sources */ writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); @@ -194,33 +194,25 @@ static int irq_resume(struct sys_device *dev) writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); writel(ic_irq_enable, VA_IC_BASE + IRQ_ENABLE_SET); - return 0; } #else #define irq_suspend NULL #define irq_resume NULL #endif -static struct sysdev_class irq_class = { - .name = "irq", +static struct syscore_ops irq_syscore_ops = { .suspend = irq_suspend, .resume = irq_resume, }; -static struct sys_device irq_device = { - .id = 0, - .cls = &irq_class, -}; - -static int __init irq_init_sysfs(void) +static int __init irq_syscore_init(void) { - int ret = sysdev_class_register(&irq_class); - if (ret == 0) - ret = sysdev_register(&irq_device); - return ret; + register_syscore_ops(&irq_syscore_ops); + + return 0; } -device_initcall(irq_init_sysfs); +device_initcall(irq_syscore_init); /* * Flash handling. diff --git a/arch/arm/mach-omap1/pm_bus.c b/arch/arm/mach-omap1/pm_bus.c index 6588c22b8a64..fe31d933f0ed 100644 --- a/arch/arm/mach-omap1/pm_bus.c +++ b/arch/arm/mach-omap1/pm_bus.c @@ -24,75 +24,50 @@ #ifdef CONFIG_PM_RUNTIME static int omap1_pm_runtime_suspend(struct device *dev) { - struct clk *iclk, *fclk; - int ret = 0; + int ret; dev_dbg(dev, "%s\n", __func__); ret = pm_generic_runtime_suspend(dev); + if (ret) + return ret; - fclk = clk_get(dev, "fck"); - if (!IS_ERR(fclk)) { - clk_disable(fclk); - clk_put(fclk); - } - - iclk = clk_get(dev, "ick"); - if (!IS_ERR(iclk)) { - clk_disable(iclk); - clk_put(iclk); + ret = pm_runtime_clk_suspend(dev); + if (ret) { + pm_generic_runtime_resume(dev); + return ret; } return 0; -}; +} static int omap1_pm_runtime_resume(struct device *dev) { - struct clk *iclk, *fclk; - dev_dbg(dev, "%s\n", __func__); - iclk = clk_get(dev, "ick"); - if (!IS_ERR(iclk)) { - clk_enable(iclk); - clk_put(iclk); - } + pm_runtime_clk_resume(dev); + return pm_generic_runtime_resume(dev); +} - fclk = clk_get(dev, "fck"); - if (!IS_ERR(fclk)) { - clk_enable(fclk); - clk_put(fclk); - } +static struct dev_power_domain default_power_domain = { + .ops = { + .runtime_suspend = omap1_pm_runtime_suspend, + .runtime_resume = omap1_pm_runtime_resume, + USE_PLATFORM_PM_SLEEP_OPS + }, +}; - return pm_generic_runtime_resume(dev); +static struct pm_clk_notifier_block platform_bus_notifier = { + .pwr_domain = &default_power_domain, + .con_ids = { "ick", "fck", NULL, }, }; static int __init omap1_pm_runtime_init(void) { - const struct dev_pm_ops *pm; - struct dev_pm_ops *omap_pm; - if (!cpu_class_is_omap1()) return -ENODEV; - pm = platform_bus_get_pm_ops(); - if (!pm) { - pr_err("%s: unable to get dev_pm_ops from platform_bus\n", - __func__); - return -ENODEV; - } - - omap_pm = kmemdup(pm, sizeof(struct dev_pm_ops), GFP_KERNEL); - if (!omap_pm) { - pr_err("%s: unable to alloc memory for new dev_pm_ops\n", - __func__); - return -ENOMEM; - } - - omap_pm->runtime_suspend = omap1_pm_runtime_suspend; - omap_pm->runtime_resume = omap1_pm_runtime_resume; - - platform_bus_set_pm_ops(omap_pm); + pm_runtime_clk_add_notifier(&platform_bus_type, &platform_bus_notifier); return 0; } diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 512b15204450..66dfbccacd25 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -59,10 +59,10 @@ endif # Power Management ifeq ($(CONFIG_PM),y) obj-$(CONFIG_ARCH_OMAP2) += pm24xx.o -obj-$(CONFIG_ARCH_OMAP2) += sleep24xx.o pm_bus.o +obj-$(CONFIG_ARCH_OMAP2) += sleep24xx.o obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o \ - cpuidle34xx.o pm_bus.o -obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o pm_bus.o + cpuidle34xx.o +obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o obj-$(CONFIG_PM_DEBUG) += pm-debug.o obj-$(CONFIG_OMAP_SMARTREFLEX) += sr_device.o smartreflex.o obj-$(CONFIG_OMAP_SMARTREFLEX_CLASS3) += smartreflex-class3.o diff --git a/arch/arm/mach-omap2/clkt34xx_dpll3m2.c b/arch/arm/mach-omap2/clkt34xx_dpll3m2.c index b2b1e37bb6bb..d6e34dd9e7e7 100644 --- a/arch/arm/mach-omap2/clkt34xx_dpll3m2.c +++ b/arch/arm/mach-omap2/clkt34xx_dpll3m2.c @@ -115,6 +115,7 @@ int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate) sdrc_cs0->rfr_ctrl, sdrc_cs0->actim_ctrla, sdrc_cs0->actim_ctrlb, sdrc_cs0->mr, 0, 0, 0, 0); + clk->rate = rate; return 0; } diff --git a/arch/arm/mach-omap2/pm_bus.c b/arch/arm/mach-omap2/pm_bus.c deleted file mode 100644 index 5acd2ab298b1..000000000000 --- a/arch/arm/mach-omap2/pm_bus.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Runtime PM support code for OMAP - * - * Author: Kevin Hilman, Deep Root Systems, LLC - * - * Copyright (C) 2010 Texas Instruments, Inc. - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/io.h> -#include <linux/pm_runtime.h> -#include <linux/platform_device.h> -#include <linux/mutex.h> - -#include <plat/omap_device.h> -#include <plat/omap-pm.h> - -#ifdef CONFIG_PM_RUNTIME -static int omap_pm_runtime_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - int r, ret = 0; - - dev_dbg(dev, "%s\n", __func__); - - ret = pm_generic_runtime_suspend(dev); - - if (!ret && dev->parent == &omap_device_parent) { - r = omap_device_idle(pdev); - WARN_ON(r); - } - - return ret; -}; - -static int omap_pm_runtime_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - int r; - - dev_dbg(dev, "%s\n", __func__); - - if (dev->parent == &omap_device_parent) { - r = omap_device_enable(pdev); - WARN_ON(r); - } - - return pm_generic_runtime_resume(dev); -}; -#else -#define omap_pm_runtime_suspend NULL -#define omap_pm_runtime_resume NULL -#endif /* CONFIG_PM_RUNTIME */ - -static int __init omap_pm_runtime_init(void) -{ - const struct dev_pm_ops *pm; - struct dev_pm_ops *omap_pm; - - pm = platform_bus_get_pm_ops(); - if (!pm) { - pr_err("%s: unable to get dev_pm_ops from platform_bus\n", - __func__); - return -ENODEV; - } - - omap_pm = kmemdup(pm, sizeof(struct dev_pm_ops), GFP_KERNEL); - if (!omap_pm) { - pr_err("%s: unable to alloc memory for new dev_pm_ops\n", - __func__); - return -ENOMEM; - } - - omap_pm->runtime_suspend = omap_pm_runtime_suspend; - omap_pm->runtime_resume = omap_pm_runtime_resume; - - platform_bus_set_pm_ops(omap_pm); - - return 0; -} -core_initcall(omap_pm_runtime_init); diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index bfbecec6d05f..810a982a66f8 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -15,7 +15,6 @@ #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/bitops.h> diff --git a/arch/arm/mach-pxa/clock-pxa2xx.c b/arch/arm/mach-pxa/clock-pxa2xx.c index 1ce090448493..1d5859d9a0e3 100644 --- a/arch/arm/mach-pxa/clock-pxa2xx.c +++ b/arch/arm/mach-pxa/clock-pxa2xx.c @@ -9,7 +9,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <mach/pxa2xx-regs.h> @@ -33,32 +33,22 @@ const struct clkops clk_pxa2xx_cken_ops = { #ifdef CONFIG_PM static uint32_t saved_cken; -static int pxa2xx_clock_suspend(struct sys_device *d, pm_message_t state) +static int pxa2xx_clock_suspend(void) { saved_cken = CKEN; return 0; } -static int pxa2xx_clock_resume(struct sys_device *d) +static void pxa2xx_clock_resume(void) { CKEN = saved_cken; - return 0; } #else #define pxa2xx_clock_suspend NULL #define pxa2xx_clock_resume NULL #endif -struct sysdev_class pxa2xx_clock_sysclass = { - .name = "pxa2xx-clock", +struct syscore_ops pxa2xx_clock_syscore_ops = { .suspend = pxa2xx_clock_suspend, .resume = pxa2xx_clock_resume, }; - -static int __init pxa2xx_clock_init(void) -{ - if (cpu_is_pxa2xx()) - return sysdev_class_register(&pxa2xx_clock_sysclass); - return 0; -} -postcore_initcall(pxa2xx_clock_init); diff --git a/arch/arm/mach-pxa/clock-pxa3xx.c b/arch/arm/mach-pxa/clock-pxa3xx.c index 3f864cd0bd28..2a37a9a8f621 100644 --- a/arch/arm/mach-pxa/clock-pxa3xx.c +++ b/arch/arm/mach-pxa/clock-pxa3xx.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/syscore_ops.h> #include <mach/smemc.h> #include <mach/pxa3xx-regs.h> @@ -182,7 +183,7 @@ const struct clkops clk_pxa3xx_pout_ops = { static uint32_t cken[2]; static uint32_t accr; -static int pxa3xx_clock_suspend(struct sys_device *d, pm_message_t state) +static int pxa3xx_clock_suspend(void) { cken[0] = CKENA; cken[1] = CKENB; @@ -190,28 +191,18 @@ static int pxa3xx_clock_suspend(struct sys_device *d, pm_message_t state) return 0; } -static int pxa3xx_clock_resume(struct sys_device *d) +static void pxa3xx_clock_resume(void) { ACCR = accr; CKENA = cken[0]; CKENB = cken[1]; - return 0; } #else #define pxa3xx_clock_suspend NULL #define pxa3xx_clock_resume NULL #endif -struct sysdev_class pxa3xx_clock_sysclass = { - .name = "pxa3xx-clock", +struct syscore_ops pxa3xx_clock_syscore_ops = { .suspend = pxa3xx_clock_suspend, .resume = pxa3xx_clock_resume, }; - -static int __init pxa3xx_clock_init(void) -{ - if (cpu_is_pxa3xx() || cpu_is_pxa95x()) - return sysdev_class_register(&pxa3xx_clock_sysclass); - return 0; -} -postcore_initcall(pxa3xx_clock_init); diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h index f9f349a21b54..1f2fb9c43f06 100644 --- a/arch/arm/mach-pxa/clock.h +++ b/arch/arm/mach-pxa/clock.h @@ -1,5 +1,5 @@ #include <linux/clkdev.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> struct clkops { void (*enable)(struct clk *); @@ -54,7 +54,7 @@ extern const struct clkops clk_pxa2xx_cken_ops; void clk_pxa2xx_cken_enable(struct clk *clk); void clk_pxa2xx_cken_disable(struct clk *clk); -extern struct sysdev_class pxa2xx_clock_sysclass; +extern struct syscore_ops pxa2xx_clock_syscore_ops; #if defined(CONFIG_PXA3xx) || defined(CONFIG_PXA95x) #define DEFINE_PXA3_CKEN(_name, _cken, _rate, _delay) \ @@ -74,5 +74,6 @@ extern const struct clkops clk_pxa3xx_smemc_ops; extern void clk_pxa3xx_cken_enable(struct clk *); extern void clk_pxa3xx_cken_disable(struct clk *); -extern struct sysdev_class pxa3xx_clock_sysclass; +extern struct syscore_ops pxa3xx_clock_syscore_ops; + #endif diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c index b88d601a8090..13518a705399 100644 --- a/arch/arm/mach-pxa/cm-x270.c +++ b/arch/arm/mach-pxa/cm-x270.c @@ -10,7 +10,6 @@ */ #include <linux/platform_device.h> -#include <linux/sysdev.h> #include <linux/irq.h> #include <linux/gpio.h> #include <linux/delay.h> diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c index 8225e2e58c6e..a10996782476 100644 --- a/arch/arm/mach-pxa/cm-x2xx.c +++ b/arch/arm/mach-pxa/cm-x2xx.c @@ -10,7 +10,7 @@ */ #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/irq.h> #include <linux/gpio.h> @@ -388,7 +388,7 @@ static inline void cmx2xx_init_display(void) {} #ifdef CONFIG_PM static unsigned long sleep_save_msc[10]; -static int cmx2xx_suspend(struct sys_device *dev, pm_message_t state) +static int cmx2xx_suspend(void) { cmx2xx_pci_suspend(); @@ -412,7 +412,7 @@ static int cmx2xx_suspend(struct sys_device *dev, pm_message_t state) return 0; } -static int cmx2xx_resume(struct sys_device *dev) +static void cmx2xx_resume(void) { cmx2xx_pci_resume(); @@ -420,27 +420,18 @@ static int cmx2xx_resume(struct sys_device *dev) __raw_writel(sleep_save_msc[0], MSC0); __raw_writel(sleep_save_msc[1], MSC1); __raw_writel(sleep_save_msc[2], MSC2); - - return 0; } -static struct sysdev_class cmx2xx_pm_sysclass = { - .name = "pm", +static struct syscore_ops cmx2xx_pm_syscore_ops = { .resume = cmx2xx_resume, .suspend = cmx2xx_suspend, }; -static struct sys_device cmx2xx_pm_device = { - .cls = &cmx2xx_pm_sysclass, -}; - static int __init cmx2xx_pm_init(void) { - int error; - error = sysdev_class_register(&cmx2xx_pm_sysclass); - if (error == 0) - error = sysdev_register(&cmx2xx_pm_device); - return error; + register_syscore_ops(&cmx2xx_pm_syscore_ops); + + return 0; } #else static int __init cmx2xx_pm_init(void) { return 0; } diff --git a/arch/arm/mach-pxa/colibri-evalboard.c b/arch/arm/mach-pxa/colibri-evalboard.c index 81c3c433e2d6..d28e802e2448 100644 --- a/arch/arm/mach-pxa/colibri-evalboard.c +++ b/arch/arm/mach-pxa/colibri-evalboard.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> #include <linux/interrupt.h> #include <linux/gpio.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-pxa/colibri-pxa270-income.c b/arch/arm/mach-pxa/colibri-pxa270-income.c index 44c1b77ece67..80538b8806ed 100644 --- a/arch/arm/mach-pxa/colibri-pxa270-income.c +++ b/arch/arm/mach-pxa/colibri-pxa270-income.c @@ -22,7 +22,6 @@ #include <linux/platform_device.h> #include <linux/pwm_backlight.h> #include <linux/i2c/pxa-i2c.h> -#include <linux/sysdev.h> #include <asm/irq.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c index 6fc5d328ba7f..7545a48ed88b 100644 --- a/arch/arm/mach-pxa/colibri-pxa270.c +++ b/arch/arm/mach-pxa/colibri-pxa270.c @@ -17,7 +17,6 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> #include <linux/ucb1400.h> #include <asm/mach/arch.h> diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h index a079d8baa45a..e6c9344a95ae 100644 --- a/arch/arm/mach-pxa/generic.h +++ b/arch/arm/mach-pxa/generic.h @@ -61,10 +61,10 @@ extern unsigned pxa3xx_get_clk_frequency_khz(int); #define pxa3xx_get_clk_frequency_khz(x) (0) #endif -extern struct sysdev_class pxa_irq_sysclass; -extern struct sysdev_class pxa_gpio_sysclass; -extern struct sysdev_class pxa2xx_mfp_sysclass; -extern struct sysdev_class pxa3xx_mfp_sysclass; +extern struct syscore_ops pxa_irq_syscore_ops; +extern struct syscore_ops pxa_gpio_syscore_ops; +extern struct syscore_ops pxa2xx_mfp_syscore_ops; +extern struct syscore_ops pxa3xx_mfp_syscore_ops; void __init pxa_set_ffuart_info(void *info); void __init pxa_set_btuart_info(void *info); diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index 6251e3f5c62c..32ed551bf9c5 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -15,7 +15,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/interrupt.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/io.h> #include <linux/irq.h> @@ -183,7 +183,7 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn) static unsigned long saved_icmr[MAX_INTERNAL_IRQS/32]; static unsigned long saved_ipr[MAX_INTERNAL_IRQS]; -static int pxa_irq_suspend(struct sys_device *dev, pm_message_t state) +static int pxa_irq_suspend(void) { int i; @@ -202,7 +202,7 @@ static int pxa_irq_suspend(struct sys_device *dev, pm_message_t state) return 0; } -static int pxa_irq_resume(struct sys_device *dev) +static void pxa_irq_resume(void) { int i; @@ -218,22 +218,13 @@ static int pxa_irq_resume(struct sys_device *dev) __raw_writel(saved_ipr[i], IRQ_BASE + IPR(i)); __raw_writel(1, IRQ_BASE + ICCR); - return 0; } #else #define pxa_irq_suspend NULL #define pxa_irq_resume NULL #endif -struct sysdev_class pxa_irq_sysclass = { - .name = "irq", +struct syscore_ops pxa_irq_syscore_ops = { .suspend = pxa_irq_suspend, .resume = pxa_irq_resume, }; - -static int __init pxa_irq_init(void) -{ - return sysdev_class_register(&pxa_irq_sysclass); -} - -core_initcall(pxa_irq_init); diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index f5de541725b1..6cf8180bf5bd 100644 --- a/arch/arm/mach-pxa/lpd270.c +++ b/arch/arm/mach-pxa/lpd270.c @@ -15,7 +15,7 @@ #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/bitops.h> @@ -159,30 +159,22 @@ static void __init lpd270_init_irq(void) #ifdef CONFIG_PM -static int lpd270_irq_resume(struct sys_device *dev) +static void lpd270_irq_resume(void) { __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK); - return 0; } -static struct sysdev_class lpd270_irq_sysclass = { - .name = "cpld_irq", +static struct syscore_ops lpd270_irq_syscore_ops = { .resume = lpd270_irq_resume, }; -static struct sys_device lpd270_irq_device = { - .cls = &lpd270_irq_sysclass, -}; - static int __init lpd270_irq_device_init(void) { - int ret = -ENODEV; if (machine_is_logicpd_pxa270()) { - ret = sysdev_class_register(&lpd270_irq_sysclass); - if (ret == 0) - ret = sysdev_register(&lpd270_irq_device); + register_syscore_ops(&lpd270_irq_syscore_ops); + return 0; } - return ret; + return -ENODEV; } device_initcall(lpd270_irq_device_init); diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 3ede978c83d9..e10ddb827147 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -15,7 +15,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/major.h> #include <linux/fb.h> #include <linux/interrupt.h> @@ -176,31 +176,22 @@ static void __init lubbock_init_irq(void) #ifdef CONFIG_PM -static int lubbock_irq_resume(struct sys_device *dev) +static void lubbock_irq_resume(void) { LUB_IRQ_MASK_EN = lubbock_irq_enabled; - return 0; } -static struct sysdev_class lubbock_irq_sysclass = { - .name = "cpld_irq", +static struct syscore_ops lubbock_irq_syscore_ops = { .resume = lubbock_irq_resume, }; -static struct sys_device lubbock_irq_device = { - .cls = &lubbock_irq_sysclass, -}; - static int __init lubbock_irq_device_init(void) { - int ret = -ENODEV; - if (machine_is_lubbock()) { - ret = sysdev_class_register(&lubbock_irq_sysclass); - if (ret == 0) - ret = sysdev_register(&lubbock_irq_device); + register_syscore_ops(&lubbock_irq_syscore_ops); + return 0; } - return ret; + return -ENODEV; } device_initcall(lubbock_irq_device_init); diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 95163baca29e..3479e2b3b511 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -15,7 +15,7 @@ #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/bitops.h> @@ -185,31 +185,21 @@ static void __init mainstone_init_irq(void) #ifdef CONFIG_PM -static int mainstone_irq_resume(struct sys_device *dev) +static void mainstone_irq_resume(void) { MST_INTMSKENA = mainstone_irq_enabled; - return 0; } -static struct sysdev_class mainstone_irq_sysclass = { - .name = "cpld_irq", +static struct syscore_ops mainstone_irq_syscore_ops = { .resume = mainstone_irq_resume, }; -static struct sys_device mainstone_irq_device = { - .cls = &mainstone_irq_sysclass, -}; - static int __init mainstone_irq_device_init(void) { - int ret = -ENODEV; + if (machine_is_mainstone()) + register_syscore_ops(&mainstone_irq_syscore_ops); - if (machine_is_mainstone()) { - ret = sysdev_class_register(&mainstone_irq_sysclass); - if (ret == 0) - ret = sysdev_register(&mainstone_irq_device); - } - return ret; + return 0; } device_initcall(mainstone_irq_device_init); diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index 1d1419b73457..87ae3129f4f7 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c @@ -16,7 +16,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <mach/gpio.h> #include <mach/pxa2xx-regs.h> @@ -338,7 +338,7 @@ static unsigned long saved_gafr[2][4]; static unsigned long saved_gpdr[4]; static unsigned long saved_pgsr[4]; -static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state) +static int pxa2xx_mfp_suspend(void) { int i; @@ -365,7 +365,7 @@ static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state) return 0; } -static int pxa2xx_mfp_resume(struct sys_device *d) +static void pxa2xx_mfp_resume(void) { int i; @@ -376,15 +376,13 @@ static int pxa2xx_mfp_resume(struct sys_device *d) PGSR(i) = saved_pgsr[i]; } PSSR = PSSR_RDH | PSSR_PH; - return 0; } #else #define pxa2xx_mfp_suspend NULL #define pxa2xx_mfp_resume NULL #endif -struct sysdev_class pxa2xx_mfp_sysclass = { - .name = "mfp", +struct syscore_ops pxa2xx_mfp_syscore_ops = { .suspend = pxa2xx_mfp_suspend, .resume = pxa2xx_mfp_resume, }; @@ -409,6 +407,6 @@ static int __init pxa2xx_mfp_init(void) for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) gpdr_lpm[i] = GPDR(i * 32); - return sysdev_class_register(&pxa2xx_mfp_sysclass); + return 0; } postcore_initcall(pxa2xx_mfp_init); diff --git a/arch/arm/mach-pxa/mfp-pxa3xx.c b/arch/arm/mach-pxa/mfp-pxa3xx.c index 7a270eecd480..89863a01ecd7 100644 --- a/arch/arm/mach-pxa/mfp-pxa3xx.c +++ b/arch/arm/mach-pxa/mfp-pxa3xx.c @@ -17,7 +17,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <mach/hardware.h> #include <mach/mfp-pxa3xx.h> @@ -31,13 +31,13 @@ * a pull-down mode if they're an active low chip select, and we're * just entering standby. */ -static int pxa3xx_mfp_suspend(struct sys_device *d, pm_message_t state) +static int pxa3xx_mfp_suspend(void) { mfp_config_lpm(); return 0; } -static int pxa3xx_mfp_resume(struct sys_device *d) +static void pxa3xx_mfp_resume(void) { mfp_config_run(); @@ -47,24 +47,13 @@ static int pxa3xx_mfp_resume(struct sys_device *d) * preserve them here in case they will be referenced later */ ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S); - return 0; } #else #define pxa3xx_mfp_suspend NULL #define pxa3xx_mfp_resume NULL #endif -struct sysdev_class pxa3xx_mfp_sysclass = { - .name = "mfp", +struct syscore_ops pxa3xx_mfp_syscore_ops = { .suspend = pxa3xx_mfp_suspend, - .resume = pxa3xx_mfp_resume, + .resume = pxa3xx_mfp_resume, }; - -static int __init mfp_init_devicefs(void) -{ - if (cpu_is_pxa3xx()) - return sysdev_class_register(&pxa3xx_mfp_sysclass); - - return 0; -} -postcore_initcall(mfp_init_devicefs); diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c index 23925db8ff74..e3470137c934 100644 --- a/arch/arm/mach-pxa/mioa701.c +++ b/arch/arm/mach-pxa/mioa701.c @@ -22,7 +22,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/input.h> #include <linux/delay.h> #include <linux/gpio_keys.h> @@ -488,7 +488,7 @@ static void install_bootstrap(void) } -static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state) +static int mioa701_sys_suspend(void) { int i = 0, is_bt_on; u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); @@ -514,7 +514,7 @@ static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state) return 0; } -static int mioa701_sys_resume(struct sys_device *sysdev) +static void mioa701_sys_resume(void) { int i = 0; u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); @@ -527,43 +527,18 @@ static int mioa701_sys_resume(struct sys_device *sysdev) *mem_resume_enabler = save_buffer[i++]; *mem_resume_bt = save_buffer[i++]; *mem_resume_unknown = save_buffer[i++]; - - return 0; } -static struct sysdev_class mioa701_sysclass = { - .name = "mioa701", -}; - -static struct sys_device sysdev_bootstrap = { - .cls = &mioa701_sysclass, -}; - -static struct sysdev_driver driver_bootstrap = { - .suspend = &mioa701_sys_suspend, - .resume = &mioa701_sys_resume, +static struct syscore_ops mioa701_syscore_ops = { + .suspend = mioa701_sys_suspend, + .resume = mioa701_sys_resume, }; static int __init bootstrap_init(void) { - int rc; int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); - rc = sysdev_class_register(&mioa701_sysclass); - if (rc) { - printk(KERN_ERR "Failed registering mioa701 sys class\n"); - return -ENODEV; - } - rc = sysdev_register(&sysdev_bootstrap); - if (rc) { - printk(KERN_ERR "Failed registering mioa701 sys device\n"); - return -ENODEV; - } - rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap); - if (rc) { - printk(KERN_ERR "Failed registering PMU sys driver\n"); - return -ENODEV; - } + register_syscore_ops(&mioa701_syscore_ops); save_buffer = kmalloc(save_size, GFP_KERNEL); if (!save_buffer) @@ -576,9 +551,7 @@ static int __init bootstrap_init(void) static void bootstrap_exit(void) { kfree(save_buffer); - sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap); - sysdev_unregister(&sysdev_bootstrap); - sysdev_class_unregister(&mioa701_sysclass); + unregister_syscore_ops(&mioa701_syscore_ops); printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" "resume !!!\n"); diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c index a6f898cbfac9..4061ecddee70 100644 --- a/arch/arm/mach-pxa/palmld.c +++ b/arch/arm/mach-pxa/palmld.c @@ -24,7 +24,6 @@ #include <linux/gpio.h> #include <linux/wm97xx.h> #include <linux/power_supply.h> -#include <linux/sysdev.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c index 8aadad55fbe4..20d1b18b1733 100644 --- a/arch/arm/mach-pxa/palmtreo.c +++ b/arch/arm/mach-pxa/palmtreo.c @@ -25,7 +25,6 @@ #include <linux/pwm_backlight.h> #include <linux/gpio.h> #include <linux/power_supply.h> -#include <linux/sysdev.h> #include <linux/w1-gpio.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c index 3b8a4f37dbbe..65f24f0b77e8 100644 --- a/arch/arm/mach-pxa/palmz72.c +++ b/arch/arm/mach-pxa/palmz72.c @@ -19,7 +19,7 @@ */ #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/delay.h> #include <linux/irq.h> #include <linux/gpio_keys.h> @@ -233,9 +233,9 @@ static struct palmz72_resume_info palmz72_resume_info = { static unsigned long store_ptr; -/* sys_device for Palm Zire 72 PM */ +/* syscore_ops for Palm Zire 72 PM */ -static int palmz72_pm_suspend(struct sys_device *dev, pm_message_t msg) +static int palmz72_pm_suspend(void) { /* setup the resume_info struct for the original bootloader */ palmz72_resume_info.resume_addr = (u32) cpu_resume; @@ -249,31 +249,23 @@ static int palmz72_pm_suspend(struct sys_device *dev, pm_message_t msg) return 0; } -static int palmz72_pm_resume(struct sys_device *dev) +static void palmz72_pm_resume(void) { *PALMZ72_SAVE_DWORD = store_ptr; - return 0; } -static struct sysdev_class palmz72_pm_sysclass = { - .name = "palmz72_pm", +static struct syscore_ops palmz72_pm_syscore_ops = { .suspend = palmz72_pm_suspend, .resume = palmz72_pm_resume, }; -static struct sys_device palmz72_pm_device = { - .cls = &palmz72_pm_sysclass, -}; - static int __init palmz72_pm_init(void) { - int ret = -ENODEV; if (machine_is_palmz72()) { - ret = sysdev_class_register(&palmz72_pm_sysclass); - if (ret == 0) - ret = sysdev_register(&palmz72_pm_device); + register_syscore_ops(&palmz72_pm_syscore_ops); + return 0; } - return ret; + return -ENODEV; } device_initcall(palmz72_pm_init); diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index a4af8c52d7ee..fed363cec9c6 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -21,7 +21,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/suspend.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/irq.h> #include <asm/mach/map.h> @@ -350,21 +350,9 @@ static struct platform_device *pxa25x_devices[] __initdata = { &pxa_device_asoc_platform, }; -static struct sys_device pxa25x_sysdev[] = { - { - .cls = &pxa_irq_sysclass, - }, { - .cls = &pxa2xx_mfp_sysclass, - }, { - .cls = &pxa_gpio_sysclass, - }, { - .cls = &pxa2xx_clock_sysclass, - } -}; - static int __init pxa25x_init(void) { - int i, ret = 0; + int ret = 0; if (cpu_is_pxa25x()) { @@ -377,11 +365,10 @@ static int __init pxa25x_init(void) pxa25x_init_pm(); - for (i = 0; i < ARRAY_SIZE(pxa25x_sysdev); i++) { - ret = sysdev_register(&pxa25x_sysdev[i]); - if (ret) - pr_err("failed to register sysdev[%d]\n", i); - } + register_syscore_ops(&pxa_irq_syscore_ops); + register_syscore_ops(&pxa2xx_mfp_syscore_ops); + register_syscore_ops(&pxa_gpio_syscore_ops); + register_syscore_ops(&pxa2xx_clock_syscore_ops); ret = platform_add_devices(pxa25x_devices, ARRAY_SIZE(pxa25x_devices)); diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 909756eaf4b7..2fecbec58d88 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -16,7 +16,7 @@ #include <linux/init.h> #include <linux/suspend.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/io.h> #include <linux/irq.h> #include <linux/i2c/pxa-i2c.h> @@ -428,21 +428,9 @@ static struct platform_device *devices[] __initdata = { &pxa27x_device_pwm1, }; -static struct sys_device pxa27x_sysdev[] = { - { - .cls = &pxa_irq_sysclass, - }, { - .cls = &pxa2xx_mfp_sysclass, - }, { - .cls = &pxa_gpio_sysclass, - }, { - .cls = &pxa2xx_clock_sysclass, - } -}; - static int __init pxa27x_init(void) { - int i, ret = 0; + int ret = 0; if (cpu_is_pxa27x()) { @@ -455,11 +443,10 @@ static int __init pxa27x_init(void) pxa27x_init_pm(); - for (i = 0; i < ARRAY_SIZE(pxa27x_sysdev); i++) { - ret = sysdev_register(&pxa27x_sysdev[i]); - if (ret) - pr_err("failed to register sysdev[%d]\n", i); - } + register_syscore_ops(&pxa_irq_syscore_ops); + register_syscore_ops(&pxa2xx_mfp_syscore_ops); + register_syscore_ops(&pxa_gpio_syscore_ops); + register_syscore_ops(&pxa2xx_clock_syscore_ops); ret = platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 8dd107391157..8521d7d6f1da 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -20,7 +20,7 @@ #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/io.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/i2c/pxa-i2c.h> #include <asm/mach/map.h> @@ -427,21 +427,9 @@ static struct platform_device *devices[] __initdata = { &pxa27x_device_pwm1, }; -static struct sys_device pxa3xx_sysdev[] = { - { - .cls = &pxa_irq_sysclass, - }, { - .cls = &pxa3xx_mfp_sysclass, - }, { - .cls = &pxa_gpio_sysclass, - }, { - .cls = &pxa3xx_clock_sysclass, - } -}; - static int __init pxa3xx_init(void) { - int i, ret = 0; + int ret = 0; if (cpu_is_pxa3xx()) { @@ -462,11 +450,10 @@ static int __init pxa3xx_init(void) pxa3xx_init_pm(); - for (i = 0; i < ARRAY_SIZE(pxa3xx_sysdev); i++) { - ret = sysdev_register(&pxa3xx_sysdev[i]); - if (ret) - pr_err("failed to register sysdev[%d]\n", i); - } + register_syscore_ops(&pxa_irq_syscore_ops); + register_syscore_ops(&pxa3xx_mfp_syscore_ops); + register_syscore_ops(&pxa_gpio_syscore_ops); + register_syscore_ops(&pxa3xx_clock_syscore_ops); ret = platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-pxa/pxa95x.c b/arch/arm/mach-pxa/pxa95x.c index 23b229bd06e9..ecc82a330fad 100644 --- a/arch/arm/mach-pxa/pxa95x.c +++ b/arch/arm/mach-pxa/pxa95x.c @@ -18,7 +18,7 @@ #include <linux/i2c/pxa-i2c.h> #include <linux/irq.h> #include <linux/io.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <mach/hardware.h> #include <mach/gpio.h> @@ -260,16 +260,6 @@ static struct platform_device *devices[] __initdata = { &pxa27x_device_pwm1, }; -static struct sys_device pxa95x_sysdev[] = { - { - .cls = &pxa_irq_sysclass, - }, { - .cls = &pxa_gpio_sysclass, - }, { - .cls = &pxa3xx_clock_sysclass, - } -}; - static int __init pxa95x_init(void) { int ret = 0, i; @@ -293,11 +283,9 @@ static int __init pxa95x_init(void) if ((ret = pxa_init_dma(IRQ_DMA, 32))) return ret; - for (i = 0; i < ARRAY_SIZE(pxa95x_sysdev); i++) { - ret = sysdev_register(&pxa95x_sysdev[i]); - if (ret) - pr_err("failed to register sysdev[%d]\n", i); - } + register_syscore_ops(&pxa_irq_syscore_ops); + register_syscore_ops(&pxa_gpio_syscore_ops); + register_syscore_ops(&pxa3xx_clock_syscore_ops); ret = platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c index cd1861351f75..d130f77b6d11 100644 --- a/arch/arm/mach-pxa/raumfeld.c +++ b/arch/arm/mach-pxa/raumfeld.c @@ -18,7 +18,6 @@ #include <linux/init.h> #include <linux/kernel.h> -#include <linux/sysdev.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/gpio.h> diff --git a/arch/arm/mach-pxa/smemc.c b/arch/arm/mach-pxa/smemc.c index 232b7316ec08..79923058d10f 100644 --- a/arch/arm/mach-pxa/smemc.c +++ b/arch/arm/mach-pxa/smemc.c @@ -6,7 +6,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <mach/hardware.h> #include <mach/smemc.h> @@ -16,7 +16,7 @@ static unsigned long msc[2]; static unsigned long sxcnfg, memclkcfg; static unsigned long csadrcfg[4]; -static int pxa3xx_smemc_suspend(struct sys_device *dev, pm_message_t state) +static int pxa3xx_smemc_suspend(void) { msc[0] = __raw_readl(MSC0); msc[1] = __raw_readl(MSC1); @@ -30,7 +30,7 @@ static int pxa3xx_smemc_suspend(struct sys_device *dev, pm_message_t state) return 0; } -static int pxa3xx_smemc_resume(struct sys_device *dev) +static void pxa3xx_smemc_resume(void) { __raw_writel(msc[0], MSC0); __raw_writel(msc[1], MSC1); @@ -40,34 +40,19 @@ static int pxa3xx_smemc_resume(struct sys_device *dev) __raw_writel(csadrcfg[1], CSADRCFG1); __raw_writel(csadrcfg[2], CSADRCFG2); __raw_writel(csadrcfg[3], CSADRCFG3); - - return 0; } -static struct sysdev_class smemc_sysclass = { - .name = "smemc", +static struct syscore_ops smemc_syscore_ops = { .suspend = pxa3xx_smemc_suspend, .resume = pxa3xx_smemc_resume, }; -static struct sys_device smemc_sysdev = { - .id = 0, - .cls = &smemc_sysclass, -}; - static int __init smemc_init(void) { - int ret = 0; + if (cpu_is_pxa3xx()) + register_syscore_ops(&smemc_syscore_ops); - if (cpu_is_pxa3xx()) { - ret = sysdev_class_register(&smemc_sysclass); - if (ret) - return ret; - - ret = sysdev_register(&smemc_sysdev); - } - - return ret; + return 0; } subsys_initcall(smemc_init); #endif diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index b9cfbebdfe9c..687417a93698 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -15,7 +15,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/bitops.h> diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c index b523f119e0f0..903218eab56d 100644 --- a/arch/arm/mach-pxa/viper.c +++ b/arch/arm/mach-pxa/viper.c @@ -44,6 +44,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> +#include <linux/syscore_ops.h> #include <mach/pxa25x.h> #include <mach/audio.h> @@ -130,20 +131,19 @@ static u8 viper_hw_version(void) return v1; } -/* CPU sysdev */ -static int viper_cpu_suspend(struct sys_device *sysdev, pm_message_t state) +/* CPU system core operations. */ +static int viper_cpu_suspend(void) { viper_icr_set_bit(VIPER_ICR_R_DIS); return 0; } -static int viper_cpu_resume(struct sys_device *sysdev) +static void viper_cpu_resume(void) { viper_icr_clear_bit(VIPER_ICR_R_DIS); - return 0; } -static struct sysdev_driver viper_cpu_sysdev_driver = { +static struct syscore_ops viper_cpu_syscore_ops = { .suspend = viper_cpu_suspend, .resume = viper_cpu_resume, }; @@ -945,7 +945,7 @@ static void __init viper_init(void) viper_init_vcore_gpios(); viper_init_cpufreq(); - sysdev_driver_register(&cpu_sysdev_class, &viper_cpu_sysdev_driver); + register_syscore_ops(&viper_cpu_syscore_ops); if (version) { pr_info("viper: hardware v%di%d detected. " diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c index f71d377c8640..67bd41488bf8 100644 --- a/arch/arm/mach-pxa/vpac270.c +++ b/arch/arm/mach-pxa/vpac270.c @@ -16,7 +16,6 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/gpio.h> -#include <linux/sysdev.h> #include <linux/usb/gpio_vbus.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> diff --git a/arch/arm/mach-realview/include/mach/barriers.h b/arch/arm/mach-realview/include/mach/barriers.h index 0c5d749d7b5f..9a732195aa1c 100644 --- a/arch/arm/mach-realview/include/mach/barriers.h +++ b/arch/arm/mach-realview/include/mach/barriers.h @@ -4,5 +4,5 @@ * operation to deadlock the system. */ #define mb() dsb() -#define rmb() dmb() +#define rmb() dsb() #define wmb() mb() diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c index 5e2f35332056..2854129f8cc7 100644 --- a/arch/arm/mach-s3c2410/irq.c +++ b/arch/arm/mach-s3c2410/irq.c @@ -23,38 +23,12 @@ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/ioport.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <plat/cpu.h> #include <plat/pm.h> -static int s3c2410_irq_add(struct sys_device *sysdev) -{ - return 0; -} - -static struct sysdev_driver s3c2410_irq_driver = { - .add = s3c2410_irq_add, +struct syscore_ops s3c24xx_irq_syscore_ops = { .suspend = s3c24xx_irq_suspend, .resume = s3c24xx_irq_resume, }; - -static int __init s3c2410_irq_init(void) -{ - return sysdev_driver_register(&s3c2410_sysclass, &s3c2410_irq_driver); -} - -arch_initcall(s3c2410_irq_init); - -static struct sysdev_driver s3c2410a_irq_driver = { - .add = s3c2410_irq_add, - .suspend = s3c24xx_irq_suspend, - .resume = s3c24xx_irq_resume, -}; - -static int __init s3c2410a_irq_init(void) -{ - return sysdev_driver_register(&s3c2410a_sysclass, &s3c2410a_irq_driver); -} - -arch_initcall(s3c2410a_irq_init); diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index 2970ea9f7c2b..1e2d536adda9 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -17,7 +17,7 @@ #include <linux/timer.h> #include <linux/init.h> #include <linux/gpio.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/serial_core.h> #include <linux/platform_device.h> #include <linux/dm9000.h> @@ -214,17 +214,16 @@ static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = { /* NAND Flash on BAST board */ #ifdef CONFIG_PM -static int bast_pm_suspend(struct sys_device *sd, pm_message_t state) +static int bast_pm_suspend(void) { /* ensure that an nRESET is not generated on resume. */ gpio_direction_output(S3C2410_GPA(21), 1); return 0; } -static int bast_pm_resume(struct sys_device *sd) +static void bast_pm_resume(void) { s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); - return 0; } #else @@ -232,16 +231,11 @@ static int bast_pm_resume(struct sys_device *sd) #define bast_pm_resume NULL #endif -static struct sysdev_class bast_pm_sysclass = { - .name = "mach-bast", +static struct syscore_ops bast_pm_syscore_ops = { .suspend = bast_pm_suspend, .resume = bast_pm_resume, }; -static struct sys_device bast_pm_sysdev = { - .cls = &bast_pm_sysclass, -}; - static int smartmedia_map[] = { 0 }; static int chip0_map[] = { 1 }; static int chip1_map[] = { 2 }; @@ -642,8 +636,7 @@ static void __init bast_map_io(void) static void __init bast_init(void) { - sysdev_class_register(&bast_pm_sysclass); - sysdev_register(&bast_pm_sysdev); + register_syscore_ops(&bast_pm_syscore_ops); s3c_i2c0_set_platdata(&bast_i2c_info); s3c_nand_set_platdata(&bast_nand_info); diff --git a/arch/arm/mach-s3c2410/pm.c b/arch/arm/mach-s3c2410/pm.c index 725636fc4dc3..4728f9aa7df1 100644 --- a/arch/arm/mach-s3c2410/pm.c +++ b/arch/arm/mach-s3c2410/pm.c @@ -25,6 +25,7 @@ #include <linux/errno.h> #include <linux/time.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/gpio.h> #include <linux/io.h> @@ -92,7 +93,7 @@ static void s3c2410_pm_prepare(void) } } -static int s3c2410_pm_resume(struct sys_device *dev) +static void s3c2410_pm_resume(void) { unsigned long tmp; @@ -104,10 +105,12 @@ static int s3c2410_pm_resume(struct sys_device *dev) if ( machine_is_aml_m5900() ) s3c2410_gpio_setpin(S3C2410_GPF(2), 0); - - return 0; } +struct syscore_ops s3c2410_pm_syscore_ops = { + .resume = s3c2410_pm_resume, +}; + static int s3c2410_pm_add(struct sys_device *dev) { pm_cpu_prep = s3c2410_pm_prepare; @@ -119,7 +122,6 @@ static int s3c2410_pm_add(struct sys_device *dev) #if defined(CONFIG_CPU_S3C2410) static struct sysdev_driver s3c2410_pm_driver = { .add = s3c2410_pm_add, - .resume = s3c2410_pm_resume, }; /* register ourselves */ @@ -133,7 +135,6 @@ arch_initcall(s3c2410_pm_drvinit); static struct sysdev_driver s3c2410a_pm_driver = { .add = s3c2410_pm_add, - .resume = s3c2410_pm_resume, }; static int __init s3c2410a_pm_drvinit(void) @@ -147,7 +148,6 @@ arch_initcall(s3c2410a_pm_drvinit); #if defined(CONFIG_CPU_S3C2440) static struct sysdev_driver s3c2440_pm_driver = { .add = s3c2410_pm_add, - .resume = s3c2410_pm_resume, }; static int __init s3c2440_pm_drvinit(void) @@ -161,7 +161,6 @@ arch_initcall(s3c2440_pm_drvinit); #if defined(CONFIG_CPU_S3C2442) static struct sysdev_driver s3c2442_pm_driver = { .add = s3c2410_pm_add, - .resume = s3c2410_pm_resume, }; static int __init s3c2442_pm_drvinit(void) diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c index adc90a3c5890..f1d3bd8f6f17 100644 --- a/arch/arm/mach-s3c2410/s3c2410.c +++ b/arch/arm/mach-s3c2410/s3c2410.c @@ -19,6 +19,7 @@ #include <linux/gpio.h> #include <linux/clk.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/serial_core.h> #include <linux/platform_device.h> #include <linux/io.h> @@ -40,6 +41,7 @@ #include <plat/devs.h> #include <plat/clock.h> #include <plat/pll.h> +#include <plat/pm.h> #include <plat/gpio-core.h> #include <plat/gpio-cfg.h> @@ -168,6 +170,9 @@ int __init s3c2410_init(void) { printk("S3C2410: Initialising architecture\n"); + register_syscore_ops(&s3c2410_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); + return sysdev_register(&s3c2410_sysdev); } diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c index f3355d2ec634..1a1aa220972b 100644 --- a/arch/arm/mach-s3c2412/irq.c +++ b/arch/arm/mach-s3c2412/irq.c @@ -202,8 +202,6 @@ static int s3c2412_irq_add(struct sys_device *sysdev) static struct sysdev_driver s3c2412_irq_driver = { .add = s3c2412_irq_add, - .suspend = s3c24xx_irq_suspend, - .resume = s3c24xx_irq_resume, }; static int s3c2412_irq_init(void) diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c index 923e01bdf017..85dcaeb9e62f 100644 --- a/arch/arm/mach-s3c2412/mach-jive.c +++ b/arch/arm/mach-s3c2412/mach-jive.c @@ -17,7 +17,7 @@ #include <linux/timer.h> #include <linux/init.h> #include <linux/gpio.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/serial_core.h> #include <linux/platform_device.h> #include <linux/i2c.h> @@ -486,7 +486,7 @@ static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = { /* Jive power management device */ #ifdef CONFIG_PM -static int jive_pm_suspend(struct sys_device *sd, pm_message_t state) +static int jive_pm_suspend(void) { /* Write the magic value u-boot uses to check for resume into * the INFORM0 register, and ensure INFORM1 is set to the @@ -498,10 +498,9 @@ static int jive_pm_suspend(struct sys_device *sd, pm_message_t state) return 0; } -static int jive_pm_resume(struct sys_device *sd) +static void jive_pm_resume(void) { __raw_writel(0x0, S3C2412_INFORM0); - return 0; } #else @@ -509,16 +508,11 @@ static int jive_pm_resume(struct sys_device *sd) #define jive_pm_resume NULL #endif -static struct sysdev_class jive_pm_sysclass = { - .name = "jive-pm", +static struct syscore_ops jive_pm_syscore_ops = { .suspend = jive_pm_suspend, .resume = jive_pm_resume, }; -static struct sys_device jive_pm_sysdev = { - .cls = &jive_pm_sysclass, -}; - static void __init jive_map_io(void) { s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc)); @@ -536,10 +530,9 @@ static void jive_power_off(void) static void __init jive_machine_init(void) { - /* register system devices for managing low level suspend */ + /* register system core operations for managing low level suspend */ - sysdev_class_register(&jive_pm_sysclass); - sysdev_register(&jive_pm_sysdev); + register_syscore_ops(&jive_pm_syscore_ops); /* write our sleep configurations for the IO. Pull down all unused * IO, ensure that we have turned off all peripherals we do not diff --git a/arch/arm/mach-s3c2412/pm.c b/arch/arm/mach-s3c2412/pm.c index a7417c479ffe..752b13a7b3db 100644 --- a/arch/arm/mach-s3c2412/pm.c +++ b/arch/arm/mach-s3c2412/pm.c @@ -17,6 +17,7 @@ #include <linux/timer.h> #include <linux/init.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/platform_device.h> #include <linux/io.h> @@ -86,13 +87,24 @@ static struct sleep_save s3c2412_sleep[] = { SAVE_ITEM(S3C2413_GPJSLPCON), }; -static int s3c2412_pm_suspend(struct sys_device *dev, pm_message_t state) +static struct sysdev_driver s3c2412_pm_driver = { + .add = s3c2412_pm_add, +}; + +static __init int s3c2412_pm_init(void) +{ + return sysdev_driver_register(&s3c2412_sysclass, &s3c2412_pm_driver); +} + +arch_initcall(s3c2412_pm_init); + +static int s3c2412_pm_suspend(void) { s3c_pm_do_save(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep)); return 0; } -static int s3c2412_pm_resume(struct sys_device *dev) +static void s3c2412_pm_resume(void) { unsigned long tmp; @@ -102,18 +114,9 @@ static int s3c2412_pm_resume(struct sys_device *dev) __raw_writel(tmp, S3C2412_PWRCFG); s3c_pm_do_restore(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep)); - return 0; } -static struct sysdev_driver s3c2412_pm_driver = { - .add = s3c2412_pm_add, +struct syscore_ops s3c2412_pm_syscore_ops = { .suspend = s3c2412_pm_suspend, .resume = s3c2412_pm_resume, }; - -static __init int s3c2412_pm_init(void) -{ - return sysdev_driver_register(&s3c2412_sysclass, &s3c2412_pm_driver); -} - -arch_initcall(s3c2412_pm_init); diff --git a/arch/arm/mach-s3c2412/s3c2412.c b/arch/arm/mach-s3c2412/s3c2412.c index 4c6df51ddf33..ef0958d3e5c6 100644 --- a/arch/arm/mach-s3c2412/s3c2412.c +++ b/arch/arm/mach-s3c2412/s3c2412.c @@ -19,6 +19,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/serial_core.h> #include <linux/platform_device.h> #include <linux/io.h> @@ -244,5 +245,8 @@ int __init s3c2412_init(void) { printk("S3C2412: Initialising architecture\n"); + register_syscore_ops(&s3c2412_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); + return sysdev_register(&s3c2412_sysdev); } diff --git a/arch/arm/mach-s3c2416/irq.c b/arch/arm/mach-s3c2416/irq.c index 77b38f2381c1..28ad20d42445 100644 --- a/arch/arm/mach-s3c2416/irq.c +++ b/arch/arm/mach-s3c2416/irq.c @@ -236,8 +236,6 @@ static int __init s3c2416_irq_add(struct sys_device *sysdev) static struct sysdev_driver s3c2416_irq_driver = { .add = s3c2416_irq_add, - .suspend = s3c24xx_irq_suspend, - .resume = s3c24xx_irq_resume, }; static int __init s3c2416_irq_init(void) diff --git a/arch/arm/mach-s3c2416/pm.c b/arch/arm/mach-s3c2416/pm.c index 4a04205b04d5..41db2b21e213 100644 --- a/arch/arm/mach-s3c2416/pm.c +++ b/arch/arm/mach-s3c2416/pm.c @@ -11,6 +11,7 @@ */ #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/io.h> #include <asm/cacheflush.h> @@ -55,30 +56,26 @@ static int s3c2416_pm_add(struct sys_device *sysdev) return 0; } -static int s3c2416_pm_suspend(struct sys_device *dev, pm_message_t state) +static struct sysdev_driver s3c2416_pm_driver = { + .add = s3c2416_pm_add, +}; + +static __init int s3c2416_pm_init(void) { - return 0; + return sysdev_driver_register(&s3c2416_sysclass, &s3c2416_pm_driver); } -static int s3c2416_pm_resume(struct sys_device *dev) +arch_initcall(s3c2416_pm_init); + + +static void s3c2416_pm_resume(void) { /* unset the return-from-sleep amd inform flags */ __raw_writel(0x0, S3C2443_PWRMODE); __raw_writel(0x0, S3C2412_INFORM0); __raw_writel(0x0, S3C2412_INFORM1); - - return 0; } -static struct sysdev_driver s3c2416_pm_driver = { - .add = s3c2416_pm_add, - .suspend = s3c2416_pm_suspend, +struct syscore_ops s3c2416_pm_syscore_ops = { .resume = s3c2416_pm_resume, }; - -static __init int s3c2416_pm_init(void) -{ - return sysdev_driver_register(&s3c2416_sysclass, &s3c2416_pm_driver); -} - -arch_initcall(s3c2416_pm_init); diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c index ba7fd8737434..494ce913dc95 100644 --- a/arch/arm/mach-s3c2416/s3c2416.c +++ b/arch/arm/mach-s3c2416/s3c2416.c @@ -32,6 +32,7 @@ #include <linux/platform_device.h> #include <linux/serial_core.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/clk.h> #include <linux/io.h> @@ -54,6 +55,7 @@ #include <plat/devs.h> #include <plat/cpu.h> #include <plat/sdhci.h> +#include <plat/pm.h> #include <plat/iic-core.h> #include <plat/fb-core.h> @@ -95,6 +97,9 @@ int __init s3c2416_init(void) s3c_fb_setname("s3c2443-fb"); + register_syscore_ops(&s3c2416_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); + return sysdev_register(&s3c2416_sysdev); } diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c index 14dc67897757..d88536393310 100644 --- a/arch/arm/mach-s3c2440/mach-osiris.c +++ b/arch/arm/mach-s3c2440/mach-osiris.c @@ -17,7 +17,7 @@ #include <linux/init.h> #include <linux/gpio.h> #include <linux/device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/serial_core.h> #include <linux/clk.h> #include <linux/i2c.h> @@ -284,7 +284,7 @@ static struct platform_device osiris_pcmcia = { #ifdef CONFIG_PM static unsigned char pm_osiris_ctrl0; -static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state) +static int osiris_pm_suspend(void) { unsigned int tmp; @@ -304,7 +304,7 @@ static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state) return 0; } -static int osiris_pm_resume(struct sys_device *sd) +static void osiris_pm_resume(void) { if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8) __raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1); @@ -312,8 +312,6 @@ static int osiris_pm_resume(struct sys_device *sd) __raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0); s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); - - return 0; } #else @@ -321,16 +319,11 @@ static int osiris_pm_resume(struct sys_device *sd) #define osiris_pm_resume NULL #endif -static struct sysdev_class osiris_pm_sysclass = { - .name = "mach-osiris", +static struct syscore_ops osiris_pm_syscore_ops = { .suspend = osiris_pm_suspend, .resume = osiris_pm_resume, }; -static struct sys_device osiris_pm_sysdev = { - .cls = &osiris_pm_sysclass, -}; - /* Link for DVS driver to TPS65011 */ static void osiris_tps_release(struct device *dev) @@ -439,8 +432,7 @@ static void __init osiris_map_io(void) static void __init osiris_init(void) { - sysdev_class_register(&osiris_pm_sysclass); - sysdev_register(&osiris_pm_sysdev); + register_syscore_ops(&osiris_pm_syscore_ops); s3c_i2c0_set_platdata(NULL); s3c_nand_set_platdata(&osiris_nand_info); diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c index f7663f731ea0..ce99ff72838d 100644 --- a/arch/arm/mach-s3c2440/s3c2440.c +++ b/arch/arm/mach-s3c2440/s3c2440.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/serial_core.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/gpio.h> #include <linux/clk.h> #include <linux/io.h> @@ -33,6 +34,7 @@ #include <plat/devs.h> #include <plat/cpu.h> #include <plat/s3c244x.h> +#include <plat/pm.h> #include <plat/gpio-core.h> #include <plat/gpio-cfg.h> @@ -51,6 +53,12 @@ int __init s3c2440_init(void) s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT; s3c_device_wdt.resource[1].end = IRQ_S3C2440_WDT; + /* register suspend/resume handlers */ + + register_syscore_ops(&s3c2410_pm_syscore_ops); + register_syscore_ops(&s3c244x_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); + /* register our system device for everything else */ return sysdev_register(&s3c2440_sysdev); diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c index ecf813546554..6224bad4d604 100644 --- a/arch/arm/mach-s3c2440/s3c2442.c +++ b/arch/arm/mach-s3c2440/s3c2442.c @@ -29,6 +29,7 @@ #include <linux/err.h> #include <linux/device.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/mutex.h> @@ -45,6 +46,7 @@ #include <plat/clock.h> #include <plat/cpu.h> #include <plat/s3c244x.h> +#include <plat/pm.h> #include <plat/gpio-core.h> #include <plat/gpio-cfg.h> @@ -167,6 +169,10 @@ int __init s3c2442_init(void) { printk("S3C2442: Initialising architecture\n"); + register_syscore_ops(&s3c2410_pm_syscore_ops); + register_syscore_ops(&s3c244x_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); + return sysdev_register(&s3c2442_sysdev); } diff --git a/arch/arm/mach-s3c2440/s3c244x-irq.c b/arch/arm/mach-s3c2440/s3c244x-irq.c index de07c2feaa32..c63e8f26d901 100644 --- a/arch/arm/mach-s3c2440/s3c244x-irq.c +++ b/arch/arm/mach-s3c2440/s3c244x-irq.c @@ -116,8 +116,6 @@ static int s3c244x_irq_add(struct sys_device *sysdev) static struct sysdev_driver s3c2440_irq_driver = { .add = s3c244x_irq_add, - .suspend = s3c24xx_irq_suspend, - .resume = s3c24xx_irq_resume, }; static int s3c2440_irq_init(void) @@ -129,8 +127,6 @@ arch_initcall(s3c2440_irq_init); static struct sysdev_driver s3c2442_irq_driver = { .add = s3c244x_irq_add, - .suspend = s3c24xx_irq_suspend, - .resume = s3c24xx_irq_resume, }; diff --git a/arch/arm/mach-s3c2440/s3c244x.c b/arch/arm/mach-s3c2440/s3c244x.c index 90c1707b9c95..7e8a23d2098a 100644 --- a/arch/arm/mach-s3c2440/s3c244x.c +++ b/arch/arm/mach-s3c2440/s3c244x.c @@ -19,6 +19,7 @@ #include <linux/serial_core.h> #include <linux/platform_device.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/clk.h> #include <linux/io.h> @@ -134,45 +135,14 @@ void __init s3c244x_init_clocks(int xtal) s3c2410_baseclk_add(); } -#ifdef CONFIG_PM - -static struct sleep_save s3c244x_sleep[] = { - SAVE_ITEM(S3C2440_DSC0), - SAVE_ITEM(S3C2440_DSC1), - SAVE_ITEM(S3C2440_GPJDAT), - SAVE_ITEM(S3C2440_GPJCON), - SAVE_ITEM(S3C2440_GPJUP) -}; - -static int s3c244x_suspend(struct sys_device *dev, pm_message_t state) -{ - s3c_pm_do_save(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); - return 0; -} - -static int s3c244x_resume(struct sys_device *dev) -{ - s3c_pm_do_restore(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); - return 0; -} - -#else -#define s3c244x_suspend NULL -#define s3c244x_resume NULL -#endif - /* Since the S3C2442 and S3C2440 share items, put both sysclasses here */ struct sysdev_class s3c2440_sysclass = { .name = "s3c2440-core", - .suspend = s3c244x_suspend, - .resume = s3c244x_resume }; struct sysdev_class s3c2442_sysclass = { .name = "s3c2442-core", - .suspend = s3c244x_suspend, - .resume = s3c244x_resume }; /* need to register class before we actually register the device, and @@ -194,3 +164,33 @@ static int __init s3c2442_core_init(void) } core_initcall(s3c2442_core_init); + + +#ifdef CONFIG_PM +static struct sleep_save s3c244x_sleep[] = { + SAVE_ITEM(S3C2440_DSC0), + SAVE_ITEM(S3C2440_DSC1), + SAVE_ITEM(S3C2440_GPJDAT), + SAVE_ITEM(S3C2440_GPJCON), + SAVE_ITEM(S3C2440_GPJUP) +}; + +static int s3c244x_suspend(void) +{ + s3c_pm_do_save(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); + return 0; +} + +static void s3c244x_resume(void) +{ + s3c_pm_do_restore(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); +} +#else +#define s3c244x_suspend NULL +#define s3c244x_resume NULL +#endif + +struct syscore_ops s3c244x_pm_syscore_ops = { + .suspend = s3c244x_suspend, + .resume = s3c244x_resume, +}; diff --git a/arch/arm/mach-s3c64xx/irq-pm.c b/arch/arm/mach-s3c64xx/irq-pm.c index da1bec64b9da..8bec61e242c7 100644 --- a/arch/arm/mach-s3c64xx/irq-pm.c +++ b/arch/arm/mach-s3c64xx/irq-pm.c @@ -13,7 +13,7 @@ */ #include <linux/kernel.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/interrupt.h> #include <linux/serial_core.h> #include <linux/irq.h> @@ -54,7 +54,7 @@ static struct irq_grp_save { static u32 irq_uart_mask[CONFIG_SERIAL_SAMSUNG_UARTS]; -static int s3c64xx_irq_pm_suspend(struct sys_device *dev, pm_message_t state) +static int s3c64xx_irq_pm_suspend(void) { struct irq_grp_save *grp = eint_grp_save; int i; @@ -75,7 +75,7 @@ static int s3c64xx_irq_pm_suspend(struct sys_device *dev, pm_message_t state) return 0; } -static int s3c64xx_irq_pm_resume(struct sys_device *dev) +static void s3c64xx_irq_pm_resume(void) { struct irq_grp_save *grp = eint_grp_save; int i; @@ -94,18 +94,18 @@ static int s3c64xx_irq_pm_resume(struct sys_device *dev) } S3C_PMDBG("%s: IRQ configuration restored\n", __func__); - return 0; } -static struct sysdev_driver s3c64xx_irq_driver = { +struct syscore_ops s3c64xx_irq_syscore_ops = { .suspend = s3c64xx_irq_pm_suspend, .resume = s3c64xx_irq_pm_resume, }; -static int __init s3c64xx_irq_pm_init(void) +static __init int s3c64xx_syscore_init(void) { - return sysdev_driver_register(&s3c64xx_sysclass, &s3c64xx_irq_driver); -} + register_syscore_ops(&s3c64xx_irq_syscore_ops); -arch_initcall(s3c64xx_irq_pm_init); + return 0; +} +core_initcall(s3c64xx_syscore_init); diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c index 549d7924fd4c..24febae3d4c0 100644 --- a/arch/arm/mach-s5pv210/pm.c +++ b/arch/arm/mach-s5pv210/pm.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/suspend.h> +#include <linux/syscore_ops.h> #include <linux/io.h> #include <plat/cpu.h> @@ -140,7 +141,17 @@ static int s5pv210_pm_add(struct sys_device *sysdev) return 0; } -static int s5pv210_pm_resume(struct sys_device *dev) +static struct sysdev_driver s5pv210_pm_driver = { + .add = s5pv210_pm_add, +}; + +static __init int s5pv210_pm_drvinit(void) +{ + return sysdev_driver_register(&s5pv210_sysclass, &s5pv210_pm_driver); +} +arch_initcall(s5pv210_pm_drvinit); + +static void s5pv210_pm_resume(void) { u32 tmp; @@ -150,17 +161,15 @@ static int s5pv210_pm_resume(struct sys_device *dev) __raw_writel(tmp , S5P_OTHERS); s3c_pm_do_restore_core(s5pv210_core_save, ARRAY_SIZE(s5pv210_core_save)); - - return 0; } -static struct sysdev_driver s5pv210_pm_driver = { - .add = s5pv210_pm_add, +static struct syscore_ops s5pv210_pm_syscore_ops = { .resume = s5pv210_pm_resume, }; -static __init int s5pv210_pm_drvinit(void) +static __init int s5pv210_pm_syscore_init(void) { - return sysdev_driver_register(&s5pv210_sysclass, &s5pv210_pm_driver); + register_syscore_ops(&s5pv210_pm_syscore_ops); + return 0; } -arch_initcall(s5pv210_pm_drvinit); +arch_initcall(s5pv210_pm_syscore_init); diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c index 423ddb3d65e9..dfbf824a69fa 100644 --- a/arch/arm/mach-sa1100/irq.c +++ b/arch/arm/mach-sa1100/irq.c @@ -14,7 +14,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/ioport.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <mach/hardware.h> #include <asm/mach/irq.h> @@ -234,7 +234,7 @@ static struct sa1100irq_state { unsigned int iccr; } sa1100irq_state; -static int sa1100irq_suspend(struct sys_device *dev, pm_message_t state) +static int sa1100irq_suspend(void) { struct sa1100irq_state *st = &sa1100irq_state; @@ -264,7 +264,7 @@ static int sa1100irq_suspend(struct sys_device *dev, pm_message_t state) return 0; } -static int sa1100irq_resume(struct sys_device *dev) +static void sa1100irq_resume(void) { struct sa1100irq_state *st = &sa1100irq_state; @@ -277,24 +277,17 @@ static int sa1100irq_resume(struct sys_device *dev) ICMR = st->icmr; } - return 0; } -static struct sysdev_class sa1100irq_sysclass = { - .name = "sa11x0-irq", +static struct syscore_ops sa1100irq_syscore_ops = { .suspend = sa1100irq_suspend, .resume = sa1100irq_resume, }; -static struct sys_device sa1100irq_device = { - .id = 0, - .cls = &sa1100irq_sysclass, -}; - static int __init sa1100irq_init_devicefs(void) { - sysdev_class_register(&sa1100irq_sysclass); - return sysdev_register(&sa1100irq_device); + register_syscore_ops(&sa1100irq_syscore_ops); + return 0; } device_initcall(sa1100irq_init_devicefs); diff --git a/arch/arm/mach-shmobile/pm_runtime.c b/arch/arm/mach-shmobile/pm_runtime.c index 94912d3944d3..2d1b67a59e4a 100644 --- a/arch/arm/mach-shmobile/pm_runtime.c +++ b/arch/arm/mach-shmobile/pm_runtime.c @@ -18,152 +18,41 @@ #include <linux/clk.h> #include <linux/sh_clk.h> #include <linux/bitmap.h> +#include <linux/slab.h> #ifdef CONFIG_PM_RUNTIME -#define BIT_ONCE 0 -#define BIT_ACTIVE 1 -#define BIT_CLK_ENABLED 2 -struct pm_runtime_data { - unsigned long flags; - struct clk *clk; -}; - -static void __devres_release(struct device *dev, void *res) -{ - struct pm_runtime_data *prd = res; - - dev_dbg(dev, "__devres_release()\n"); - - if (test_bit(BIT_CLK_ENABLED, &prd->flags)) - clk_disable(prd->clk); - - if (test_bit(BIT_ACTIVE, &prd->flags)) - clk_put(prd->clk); -} - -static struct pm_runtime_data *__to_prd(struct device *dev) -{ - return devres_find(dev, __devres_release, NULL, NULL); -} - -static void platform_pm_runtime_init(struct device *dev, - struct pm_runtime_data *prd) -{ - if (prd && !test_and_set_bit(BIT_ONCE, &prd->flags)) { - prd->clk = clk_get(dev, NULL); - if (!IS_ERR(prd->clk)) { - set_bit(BIT_ACTIVE, &prd->flags); - dev_info(dev, "clocks managed by runtime pm\n"); - } - } -} - -static void platform_pm_runtime_bug(struct device *dev, - struct pm_runtime_data *prd) -{ - if (prd && !test_and_set_bit(BIT_ONCE, &prd->flags)) - dev_err(dev, "runtime pm suspend before resume\n"); -} - -int platform_pm_runtime_suspend(struct device *dev) -{ - struct pm_runtime_data *prd = __to_prd(dev); - - dev_dbg(dev, "platform_pm_runtime_suspend()\n"); - - platform_pm_runtime_bug(dev, prd); - - if (prd && test_bit(BIT_ACTIVE, &prd->flags)) { - clk_disable(prd->clk); - clear_bit(BIT_CLK_ENABLED, &prd->flags); - } - - return 0; -} - -int platform_pm_runtime_resume(struct device *dev) -{ - struct pm_runtime_data *prd = __to_prd(dev); - - dev_dbg(dev, "platform_pm_runtime_resume()\n"); - - platform_pm_runtime_init(dev, prd); - - if (prd && test_bit(BIT_ACTIVE, &prd->flags)) { - clk_enable(prd->clk); - set_bit(BIT_CLK_ENABLED, &prd->flags); - } - - return 0; -} - -int platform_pm_runtime_idle(struct device *dev) +static int default_platform_runtime_idle(struct device *dev) { /* suspend synchronously to disable clocks immediately */ return pm_runtime_suspend(dev); } -static int platform_bus_notify(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct device *dev = data; - struct pm_runtime_data *prd; - - dev_dbg(dev, "platform_bus_notify() %ld !\n", action); - - if (action == BUS_NOTIFY_BIND_DRIVER) { - prd = devres_alloc(__devres_release, sizeof(*prd), GFP_KERNEL); - if (prd) - devres_add(dev, prd); - else - dev_err(dev, "unable to alloc memory for runtime pm\n"); - } - - return 0; -} - -#else /* CONFIG_PM_RUNTIME */ - -static int platform_bus_notify(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct device *dev = data; - struct clk *clk; +static struct dev_power_domain default_power_domain = { + .ops = { + .runtime_suspend = pm_runtime_clk_suspend, + .runtime_resume = pm_runtime_clk_resume, + .runtime_idle = default_platform_runtime_idle, + USE_PLATFORM_PM_SLEEP_OPS + }, +}; - dev_dbg(dev, "platform_bus_notify() %ld !\n", action); +#define DEFAULT_PWR_DOMAIN_PTR (&default_power_domain) - switch (action) { - case BUS_NOTIFY_BIND_DRIVER: - clk = clk_get(dev, NULL); - if (!IS_ERR(clk)) { - clk_enable(clk); - clk_put(clk); - dev_info(dev, "runtime pm disabled, clock forced on\n"); - } - break; - case BUS_NOTIFY_UNBOUND_DRIVER: - clk = clk_get(dev, NULL); - if (!IS_ERR(clk)) { - clk_disable(clk); - clk_put(clk); - dev_info(dev, "runtime pm disabled, clock forced off\n"); - } - break; - } +#else - return 0; -} +#define DEFAULT_PWR_DOMAIN_PTR NULL #endif /* CONFIG_PM_RUNTIME */ -static struct notifier_block platform_bus_notifier = { - .notifier_call = platform_bus_notify +static struct pm_clk_notifier_block platform_bus_notifier = { + .pwr_domain = DEFAULT_PWR_DOMAIN_PTR, + .con_ids = { NULL, }, }; static int __init sh_pm_runtime_init(void) { - bus_register_notifier(&platform_bus_type, &platform_bus_notifier); + pm_runtime_clk_add_notifier(&platform_bus_type, &platform_bus_notifier); return 0; } core_initcall(sh_pm_runtime_init); diff --git a/arch/arm/mach-tegra/include/mach/barriers.h b/arch/arm/mach-tegra/include/mach/barriers.h index cc115174899b..425b42e91ef6 100644 --- a/arch/arm/mach-tegra/include/mach/barriers.h +++ b/arch/arm/mach-tegra/include/mach/barriers.h @@ -23,7 +23,7 @@ #include <asm/outercache.h> -#define rmb() dmb() +#define rmb() dsb() #define wmb() do { dsb(); outer_sync(); } while (0) #define mb() wmb() diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index e5f6fc428348..e591513bb53e 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -392,7 +392,7 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn) * Convert start_pfn/end_pfn to a struct page pointer. */ start_pg = pfn_to_page(start_pfn - 1) + 1; - end_pg = pfn_to_page(end_pfn); + end_pg = pfn_to_page(end_pfn - 1) + 1; /* * Convert to physical addresses, and @@ -426,6 +426,14 @@ static void __init free_unused_memmap(struct meminfo *mi) bank_start = bank_pfn_start(bank); +#ifdef CONFIG_SPARSEMEM + /* + * Take care not to free memmap entries that don't exist + * due to SPARSEMEM sections which aren't present. + */ + bank_start = min(bank_start, + ALIGN(prev_bank_end, PAGES_PER_SECTION)); +#endif /* * If we had a previous bank, and there is a space * between the current bank and the previous, free it. @@ -440,6 +448,12 @@ static void __init free_unused_memmap(struct meminfo *mi) */ prev_bank_end = ALIGN(bank_pfn_end(bank), MAX_ORDER_NR_PAGES); } + +#ifdef CONFIG_SPARSEMEM + if (!IS_ALIGNED(prev_bank_end, PAGES_PER_SECTION)) + free_memmap(prev_bank_end, + ALIGN(prev_bank_end, PAGES_PER_SECTION)); +#endif } static void __init free_highpages(void) diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index d2adcdda23cf..bd9e32187eab 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -17,7 +17,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/interrupt.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> @@ -1372,9 +1372,7 @@ static const struct dev_pm_ops omap_mpuio_dev_pm_ops = { .resume_noirq = omap_mpuio_resume_noirq, }; -/* use platform_driver for this, now that there's no longer any - * point to sys_device (other than not disturbing old code). - */ +/* use platform_driver for this. */ static struct platform_driver omap_mpuio_driver = { .driver = { .name = "mpuio", @@ -1745,7 +1743,7 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev) } #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) -static int omap_gpio_suspend(struct sys_device *dev, pm_message_t mesg) +static int omap_gpio_suspend(void) { int i; @@ -1795,12 +1793,12 @@ static int omap_gpio_suspend(struct sys_device *dev, pm_message_t mesg) return 0; } -static int omap_gpio_resume(struct sys_device *dev) +static void omap_gpio_resume(void) { int i; if (!cpu_class_is_omap2() && !cpu_is_omap16xx()) - return 0; + return; for (i = 0; i < gpio_bank_count; i++) { struct gpio_bank *bank = &gpio_bank[i]; @@ -1836,21 +1834,13 @@ static int omap_gpio_resume(struct sys_device *dev) __raw_writel(bank->saved_wakeup, wake_set); spin_unlock_irqrestore(&bank->lock, flags); } - - return 0; } -static struct sysdev_class omap_gpio_sysclass = { - .name = "gpio", +static struct syscore_ops omap_gpio_syscore_ops = { .suspend = omap_gpio_suspend, .resume = omap_gpio_resume, }; -static struct sys_device omap_gpio_device = { - .id = 0, - .cls = &omap_gpio_sysclass, -}; - #endif #ifdef CONFIG_ARCH_OMAP2PLUS @@ -2108,21 +2098,14 @@ postcore_initcall(omap_gpio_drv_reg); static int __init omap_gpio_sysinit(void) { - int ret = 0; - mpuio_init(); #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) - if (cpu_is_omap16xx() || cpu_class_is_omap2()) { - if (ret == 0) { - ret = sysdev_class_register(&omap_gpio_sysclass); - if (ret == 0) - ret = sysdev_register(&omap_gpio_device); - } - } + if (cpu_is_omap16xx() || cpu_class_is_omap2()) + register_syscore_ops(&omap_gpio_syscore_ops); #endif - return ret; + return 0; } arch_initcall(omap_gpio_sysinit); diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index 8a51fd58f656..34fc31ee9081 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -793,6 +793,8 @@ static irqreturn_t iommu_fault_handler(int irq, void *data) clk_enable(obj->clk); errs = iommu_report_fault(obj, &da); clk_disable(obj->clk); + if (errs == 0) + return IRQ_HANDLED; /* Fault callback or TLB/PTE Dynamic loading */ if (obj->isr && !obj->isr(obj, da, errs, obj->isr_priv)) diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 9bbda9acb73b..a37b8eb65b76 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -536,6 +536,28 @@ int omap_early_device_register(struct omap_device *od) return 0; } +static int _od_runtime_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + + return omap_device_idle(pdev); +} + +static int _od_runtime_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + + return omap_device_enable(pdev); +} + +static struct dev_power_domain omap_device_power_domain = { + .ops = { + .runtime_suspend = _od_runtime_suspend, + .runtime_resume = _od_runtime_resume, + USE_PLATFORM_PM_SLEEP_OPS + } +}; + /** * omap_device_register - register an omap_device with one omap_hwmod * @od: struct omap_device * to register @@ -549,6 +571,7 @@ int omap_device_register(struct omap_device *od) pr_debug("omap_device: %s: registering\n", od->pdev.name); od->pdev.dev.parent = &omap_device_parent; + od->pdev.dev.pwr_domain = &omap_device_power_domain; return platform_device_register(&od->pdev); } diff --git a/arch/arm/plat-pxa/gpio.c b/arch/arm/plat-pxa/gpio.c index dce088f45678..48ebb9479b61 100644 --- a/arch/arm/plat-pxa/gpio.c +++ b/arch/arm/plat-pxa/gpio.c @@ -15,7 +15,7 @@ #include <linux/init.h> #include <linux/irq.h> #include <linux/io.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/slab.h> #include <mach/gpio.h> @@ -295,7 +295,7 @@ void __init pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn) } #ifdef CONFIG_PM -static int pxa_gpio_suspend(struct sys_device *dev, pm_message_t state) +static int pxa_gpio_suspend(void) { struct pxa_gpio_chip *c; int gpio; @@ -312,7 +312,7 @@ static int pxa_gpio_suspend(struct sys_device *dev, pm_message_t state) return 0; } -static int pxa_gpio_resume(struct sys_device *dev) +static void pxa_gpio_resume(void) { struct pxa_gpio_chip *c; int gpio; @@ -326,22 +326,13 @@ static int pxa_gpio_resume(struct sys_device *dev) __raw_writel(c->saved_gfer, c->regbase + GFER_OFFSET); __raw_writel(c->saved_gpdr, c->regbase + GPDR_OFFSET); } - return 0; } #else #define pxa_gpio_suspend NULL #define pxa_gpio_resume NULL #endif -struct sysdev_class pxa_gpio_sysclass = { - .name = "gpio", +struct syscore_ops pxa_gpio_syscore_ops = { .suspend = pxa_gpio_suspend, .resume = pxa_gpio_resume, }; - -static int __init pxa_gpio_init(void) -{ - return sysdev_class_register(&pxa_gpio_sysclass); -} - -core_initcall(pxa_gpio_init); diff --git a/arch/arm/plat-pxa/mfp.c b/arch/arm/plat-pxa/mfp.c index a9aa5ad3f4eb..be12eadcce20 100644 --- a/arch/arm/plat-pxa/mfp.c +++ b/arch/arm/plat-pxa/mfp.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/sysdev.h> #include <plat/mfp.h> diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index 27ea852e3370..c10d10c56e2e 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -22,7 +22,7 @@ #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/interrupt.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/slab.h> #include <linux/errno.h> #include <linux/io.h> @@ -1195,19 +1195,12 @@ int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *d EXPORT_SYMBOL(s3c2410_dma_getposition); -static inline struct s3c2410_dma_chan *to_dma_chan(struct sys_device *dev) -{ - return container_of(dev, struct s3c2410_dma_chan, dev); -} - -/* system device class */ +/* system core operations */ #ifdef CONFIG_PM -static int s3c2410_dma_suspend(struct sys_device *dev, pm_message_t state) +static void s3c2410_dma_suspend_chan(s3c2410_dma_chan *cp) { - struct s3c2410_dma_chan *cp = to_dma_chan(dev); - printk(KERN_DEBUG "suspending dma channel %d\n", cp->number); if (dma_rdreg(cp, S3C2410_DMA_DMASKTRIG) & S3C2410_DMASKTRIG_ON) { @@ -1222,13 +1215,21 @@ static int s3c2410_dma_suspend(struct sys_device *dev, pm_message_t state) s3c2410_dma_dostop(cp); } +} + +static int s3c2410_dma_suspend(void) +{ + struct s3c2410_dma_chan *cp = s3c2410_chans; + int channel; + + for (channel = 0; channel < dma_channels; cp++, channel++) + s3c2410_dma_suspend_chan(cp); return 0; } -static int s3c2410_dma_resume(struct sys_device *dev) +static void s3c2410_dma_resume_chan(struct s3c2410_dma_chan *cp) { - struct s3c2410_dma_chan *cp = to_dma_chan(dev); unsigned int no = cp->number | DMACH_LOW_LEVEL; /* restore channel's hardware configuration */ @@ -1249,13 +1250,21 @@ static int s3c2410_dma_resume(struct sys_device *dev) return 0; } +static void s3c2410_dma_resume(void) +{ + struct s3c2410_dma_chan *cp = s3c2410_chans + dma_channels - 1; + int channel; + + for (channel = dma_channels - 1; channel >= 0; cp++, channel--) + s3c2410_dma_resume_chan(cp); +} + #else #define s3c2410_dma_suspend NULL #define s3c2410_dma_resume NULL #endif /* CONFIG_PM */ -struct sysdev_class dma_sysclass = { - .name = "s3c24xx-dma", +struct syscore_ops dma_syscore_ops = { .suspend = s3c2410_dma_suspend, .resume = s3c2410_dma_resume, }; @@ -1269,39 +1278,14 @@ static void s3c2410_dma_cache_ctor(void *p) /* initialisation code */ -static int __init s3c24xx_dma_sysclass_init(void) +static int __init s3c24xx_dma_syscore_init(void) { - int ret = sysdev_class_register(&dma_sysclass); - - if (ret != 0) - printk(KERN_ERR "dma sysclass registration failed\n"); - - return ret; -} - -core_initcall(s3c24xx_dma_sysclass_init); - -static int __init s3c24xx_dma_sysdev_register(void) -{ - struct s3c2410_dma_chan *cp = s3c2410_chans; - int channel, ret; - - for (channel = 0; channel < dma_channels; cp++, channel++) { - cp->dev.cls = &dma_sysclass; - cp->dev.id = channel; - ret = sysdev_register(&cp->dev); - - if (ret) { - printk(KERN_ERR "error registering dev for dma %d\n", - channel); - return ret; - } - } + register_syscore_ops(&dma_syscore_ops); return 0; } -late_initcall(s3c24xx_dma_sysdev_register); +late_initcall(s3c24xx_dma_syscore_init); int __init s3c24xx_dma_init(unsigned int channels, unsigned int irq, unsigned int stride) diff --git a/arch/arm/plat-s3c24xx/irq-pm.c b/arch/arm/plat-s3c24xx/irq-pm.c index c3624d898630..0efb2e2848c8 100644 --- a/arch/arm/plat-s3c24xx/irq-pm.c +++ b/arch/arm/plat-s3c24xx/irq-pm.c @@ -14,7 +14,6 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/interrupt.h> -#include <linux/sysdev.h> #include <linux/irq.h> #include <plat/cpu.h> @@ -65,7 +64,7 @@ static unsigned long save_extint[3]; static unsigned long save_eintflt[4]; static unsigned long save_eintmask; -int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state) +int s3c24xx_irq_suspend(void) { unsigned int i; @@ -81,7 +80,7 @@ int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state) return 0; } -int s3c24xx_irq_resume(struct sys_device *dev) +void s3c24xx_irq_resume(void) { unsigned int i; @@ -93,6 +92,4 @@ int s3c24xx_irq_resume(struct sys_device *dev) s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); __raw_writel(save_eintmask, S3C24XX_EINTMASK); - - return 0; } diff --git a/arch/arm/plat-s5p/irq-pm.c b/arch/arm/plat-s5p/irq-pm.c index 5259ad458bc8..327acb3a4464 100644 --- a/arch/arm/plat-s5p/irq-pm.c +++ b/arch/arm/plat-s5p/irq-pm.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/interrupt.h> -#include <linux/sysdev.h> #include <plat/cpu.h> #include <plat/irqs.h> @@ -77,17 +76,15 @@ static struct sleep_save eint_save[] = { SAVE_ITEM(S5P_EINT_MASK(3)), }; -int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state) +int s3c24xx_irq_suspend(void) { s3c_pm_do_save(eint_save, ARRAY_SIZE(eint_save)); return 0; } -int s3c24xx_irq_resume(struct sys_device *dev) +void s3c24xx_irq_resume(void) { s3c_pm_do_restore(eint_save, ARRAY_SIZE(eint_save)); - - return 0; } diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index cedfff51c82b..3aedac0034ba 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -68,6 +68,12 @@ extern void s3c24xx_init_uartdevs(char *name, struct sys_timer; extern struct sys_timer s3c24xx_timer; +extern struct syscore_ops s3c2410_pm_syscore_ops; +extern struct syscore_ops s3c2412_pm_syscore_ops; +extern struct syscore_ops s3c2416_pm_syscore_ops; +extern struct syscore_ops s3c244x_pm_syscore_ops; +extern struct syscore_ops s3c64xx_irq_syscore_ops; + /* system device classes */ extern struct sysdev_class s3c2410_sysclass; diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h index 937cc2ace517..7fb6f6be8c81 100644 --- a/arch/arm/plat-samsung/include/plat/pm.h +++ b/arch/arm/plat-samsung/include/plat/pm.h @@ -103,14 +103,16 @@ extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count); #ifdef CONFIG_PM extern int s3c_irqext_wake(struct irq_data *data, unsigned int state); -extern int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state); -extern int s3c24xx_irq_resume(struct sys_device *dev); +extern int s3c24xx_irq_suspend(void); +extern void s3c24xx_irq_resume(void); #else #define s3c_irqext_wake NULL #define s3c24xx_irq_suspend NULL #define s3c24xx_irq_resume NULL #endif +extern struct syscore_ops s3c24xx_irq_syscore_ops; + /* PM debug functions */ #ifdef CONFIG_SAMSUNG_PM_DEBUG diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index f74695075e64..f25e7ec89416 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -398,9 +398,9 @@ static void vfp_enable(void *unused) } #ifdef CONFIG_PM -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> -static int vfp_pm_suspend(struct sys_device *dev, pm_message_t state) +static int vfp_pm_suspend(void) { struct thread_info *ti = current_thread_info(); u32 fpexc = fmrx(FPEXC); @@ -420,34 +420,25 @@ static int vfp_pm_suspend(struct sys_device *dev, pm_message_t state) return 0; } -static int vfp_pm_resume(struct sys_device *dev) +static void vfp_pm_resume(void) { /* ensure we have access to the vfp */ vfp_enable(NULL); /* and disable it to ensure the next usage restores the state */ fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN); - - return 0; } -static struct sysdev_class vfp_pm_sysclass = { - .name = "vfp", +static struct syscore_ops vfp_pm_syscore_ops = { .suspend = vfp_pm_suspend, .resume = vfp_pm_resume, }; -static struct sys_device vfp_pm_sysdev = { - .cls = &vfp_pm_sysclass, -}; - static void vfp_pm_init(void) { - sysdev_class_register(&vfp_pm_sysclass); - sysdev_register(&vfp_pm_sysdev); + register_syscore_ops(&vfp_pm_syscore_ops); } - #else static inline void vfp_pm_init(void) { } #endif /* CONFIG_PM */ |