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-rw-r--r--arch/arm/mach-shmobile/cpuidle.c52
-rw-r--r--arch/arm/mach-shmobile/include/mach/common.h4
-rw-r--r--arch/arm/mach-shmobile/pm-sh7372.c14
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)