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Subject[PATCH 11/76] ARM: shmobile: Consolidate time keeping and irq enable
Date
From: Robert Lee <rob.lee@linaro.org>

Enable core cpuidle timekeeping and irq enabling and remove that
handling from this code.

Signed-off-by: Robert Lee <rob.lee@linaro.org>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
arch/arm/mach-shmobile/cpuidle.c | 31 +++++++------------------------
1 file changed, 7 insertions(+), 24 deletions(-)
diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c
index 1b23342..ca23b20 100644
--- a/arch/arm/mach-shmobile/cpuidle.c
+++ b/arch/arm/mach-shmobile/cpuidle.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/err.h>
#include <asm/system.h>
+#include <asm/cpuidle.h>
#include <asm/io.h>

static void shmobile_enter_wfi(void)
@@ -29,37 +30,19 @@ static int shmobile_cpuidle_enter(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
{
- ktime_t before, after;
-
- before = ktime_get();
-
- local_irq_disable();
- local_fiq_disable();
-
shmobile_cpuidle_modes[index]();

- local_irq_enable();
- local_fiq_enable();
-
- after = ktime_get();
- 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,
+ .name = "shmobile_cpuidle",
+ .owner = THIS_MODULE,
+ .en_core_tk_irqen = 1,
+ .states[0] = ARM_CPUIDLE_WFI_STATE,
+ .safe_state_index = 0, /* C1 */
+ .state_count = 1,
};

void (*shmobile_cpuidle_setup)(struct cpuidle_driver *drv);
--
1.7.10.rc2.19.gfae9d


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