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authorGreg Kroah-Hartman <gregkh@suse.de>2011-11-26 19:46:19 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-26 19:46:48 -0800
commit47b649590dbbea182f854d6470ee1cd59b7b7684 (patch)
treea2de3610f9c5e963234cffb35b9d559aab62e164 /arch/arm/mach-shmobile/cpuidle.c
parent3af5154a869bc278a829bb03e65a709480e821b0 (diff)
parentcaca6a03d365883564885f2c1da3e88dcf65d139 (diff)
Merge 3.2-rc3 into usb-linus
This pulls in the latest USB bugfixes and helps a few of the drivers merge nicer in the future due to changes in both branches. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/arm/mach-shmobile/cpuidle.c')
-rw-r--r--arch/arm/mach-shmobile/cpuidle.c52
1 files changed, 23 insertions, 29 deletions
diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c
index 2e44f11f592..1b2334277e8 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;