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Diffstat (limited to 'arch/sh/kernel/cpu/shmobile/cpuidle.c')
-rw-r--r--arch/sh/kernel/cpu/shmobile/cpuidle.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c
index e4469e7233cb..1cc257c9b1e3 100644
--- a/arch/sh/kernel/cpu/shmobile/cpuidle.c
+++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c
@@ -14,6 +14,7 @@
#include <linux/io.h>
#include <linux/suspend.h>
#include <linux/cpuidle.h>
+#include <linux/export.h>
#include <asm/suspend.h>
#include <asm/uaccess.h>
#include <asm/hwblk.h>
@@ -25,11 +26,12 @@ static unsigned long cpuidle_mode[] = {
};
static int cpuidle_sleep_enter(struct cpuidle_device *dev,
- struct cpuidle_state *state)
+ struct cpuidle_driver *drv,
+ int index)
{
unsigned long allowed_mode = arch_hwblk_sleep_mode();
ktime_t before, after;
- int requested_state = state - &dev->states[0];
+ int requested_state = index;
int allowed_state;
int k;
@@ -46,11 +48,13 @@ static int cpuidle_sleep_enter(struct cpuidle_device *dev,
*/
k = min_t(int, allowed_state, requested_state);
- dev->last_state = &dev->states[k];
before = ktime_get();
sh_mobile_call_standby(cpuidle_mode[k]);
after = ktime_get();
- return ktime_to_ns(ktime_sub(after, before)) >> 10;
+
+ dev->last_residency = (int)ktime_to_ns(ktime_sub(after, before)) >> 10;
+
+ return k;
}
static struct cpuidle_device cpuidle_dev;
@@ -62,19 +66,19 @@ static struct cpuidle_driver cpuidle_driver = {
void sh_mobile_setup_cpuidle(void)
{
struct cpuidle_device *dev = &cpuidle_dev;
+ struct cpuidle_driver *drv = &cpuidle_driver;
struct cpuidle_state *state;
int i;
- cpuidle_register_driver(&cpuidle_driver);
for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
- dev->states[i].name[0] = '\0';
- dev->states[i].desc[0] = '\0';
+ drv->states[i].name[0] = '\0';
+ drv->states[i].desc[0] = '\0';
}
i = CPUIDLE_DRIVER_STATE_START;
- state = &dev->states[i++];
+ state = &drv->states[i++];
snprintf(state->name, CPUIDLE_NAME_LEN, "C1");
strncpy(state->desc, "SuperH Sleep Mode", CPUIDLE_DESC_LEN);
state->exit_latency = 1;
@@ -84,10 +88,10 @@ void sh_mobile_setup_cpuidle(void)
state->flags |= CPUIDLE_FLAG_TIME_VALID;
state->enter = cpuidle_sleep_enter;
- dev->safe_state = state;
+ drv->safe_state_index = i-1;
if (sh_mobile_sleep_supported & SUSP_SH_SF) {
- state = &dev->states[i++];
+ state = &drv->states[i++];
snprintf(state->name, CPUIDLE_NAME_LEN, "C2");
strncpy(state->desc, "SuperH Sleep Mode [SF]",
CPUIDLE_DESC_LEN);
@@ -100,7 +104,7 @@ void sh_mobile_setup_cpuidle(void)
}
if (sh_mobile_sleep_supported & SUSP_SH_STANDBY) {
- state = &dev->states[i++];
+ state = &drv->states[i++];
snprintf(state->name, CPUIDLE_NAME_LEN, "C3");
strncpy(state->desc, "SuperH Mobile Standby Mode [SF]",
CPUIDLE_DESC_LEN);
@@ -112,7 +116,10 @@ void sh_mobile_setup_cpuidle(void)
state->enter = cpuidle_sleep_enter;
}
+ drv->state_count = i;
dev->state_count = i;
+ cpuidle_register_driver(&cpuidle_driver);
+
cpuidle_register_device(dev);
}