diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-shmobile/cpuidle.c | 52 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/include/mach/common.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/pm-sh7372.c | 14 |
3 files changed, 30 insertions, 40 deletions
diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c index 2e44f11f592e..1b2334277e85 100644 --- a/arch/arm/mach-shmobile/cpuidle.c +++ b/arch/arm/mach-shmobile/cpuidle.c @@ -26,65 +26,59 @@ void (*shmobile_cpuidle_modes[CPUIDLE_STATE_MAX])(void) = { }; static int shmobile_cpuidle_enter(struct cpuidle_device *dev, - struct cpuidle_state *state) + struct cpuidle_driver *drv, + int index) { ktime_t before, after; - int requested_state = state - &dev->states[0]; - dev->last_state = &dev->states[requested_state]; before = ktime_get(); local_irq_disable(); local_fiq_disable(); - shmobile_cpuidle_modes[requested_state](); + shmobile_cpuidle_modes[index](); local_irq_enable(); local_fiq_enable(); after = ktime_get(); - return ktime_to_ns(ktime_sub(after, before)) >> 10; + dev->last_residency = ktime_to_ns(ktime_sub(after, before)) >> 10; + + return index; } static struct cpuidle_device shmobile_cpuidle_dev; static struct cpuidle_driver shmobile_cpuidle_driver = { .name = "shmobile_cpuidle", .owner = THIS_MODULE, + .states[0] = { + .name = "C1", + .desc = "WFI", + .exit_latency = 1, + .target_residency = 1 * 2, + .flags = CPUIDLE_FLAG_TIME_VALID, + }, + .safe_state_index = 0, /* C1 */ + .state_count = 1, }; -void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev); +void (*shmobile_cpuidle_setup)(struct cpuidle_driver *drv); static int shmobile_cpuidle_init(void) { struct cpuidle_device *dev = &shmobile_cpuidle_dev; - struct cpuidle_state *state; + struct cpuidle_driver *drv = &shmobile_cpuidle_driver; int i; - cpuidle_register_driver(&shmobile_cpuidle_driver); - - for (i = 0; i < CPUIDLE_STATE_MAX; i++) { - dev->states[i].name[0] = '\0'; - dev->states[i].desc[0] = '\0'; - dev->states[i].enter = shmobile_cpuidle_enter; - } - - i = CPUIDLE_DRIVER_STATE_START; - - state = &dev->states[i++]; - snprintf(state->name, CPUIDLE_NAME_LEN, "C1"); - strncpy(state->desc, "WFI", CPUIDLE_DESC_LEN); - state->exit_latency = 1; - state->target_residency = 1 * 2; - state->power_usage = 3; - state->flags = 0; - state->flags |= CPUIDLE_FLAG_TIME_VALID; - - dev->safe_state = state; - dev->state_count = i; + for (i = 0; i < CPUIDLE_STATE_MAX; i++) + drv->states[i].enter = shmobile_cpuidle_enter; if (shmobile_cpuidle_setup) - shmobile_cpuidle_setup(dev); + shmobile_cpuidle_setup(drv); + + cpuidle_register_driver(drv); + dev->state_count = drv->state_count; cpuidle_register_device(dev); return 0; diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index c0cdbf997c91..834bd6cd508f 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -9,9 +9,9 @@ extern int clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); extern void shmobile_handle_irq_gic(struct pt_regs *); extern struct platform_suspend_ops shmobile_suspend_ops; -struct cpuidle_device; +struct cpuidle_driver; extern void (*shmobile_cpuidle_modes[])(void); -extern void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev); +extern void (*shmobile_cpuidle_setup)(struct cpuidle_driver *drv); extern void sh7367_init_irq(void); extern void sh7367_add_early_devices(void); diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 79612737c5b2..0a5b22942fd3 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -402,22 +402,18 @@ static void sh7372_setup_a3sm(unsigned long msk, unsigned long msk2) #ifdef CONFIG_CPU_IDLE -static void sh7372_cpuidle_setup(struct cpuidle_device *dev) +static void sh7372_cpuidle_setup(struct cpuidle_driver *drv) { - struct cpuidle_state *state; - int i = dev->state_count; + struct cpuidle_state *state = &drv->states[drv->state_count]; - state = &dev->states[i]; snprintf(state->name, CPUIDLE_NAME_LEN, "C2"); strncpy(state->desc, "Core Standby Mode", CPUIDLE_DESC_LEN); state->exit_latency = 10; state->target_residency = 20 + 10; - state->power_usage = 1; /* perhaps not */ - state->flags = 0; - state->flags |= CPUIDLE_FLAG_TIME_VALID; - shmobile_cpuidle_modes[i] = sh7372_enter_core_standby; + state->flags = CPUIDLE_FLAG_TIME_VALID; + shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_core_standby; - dev->state_count = i + 1; + drv->state_count++; } static void sh7372_cpuidle_init(void) |