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| author | Robert Lee <rob.lee@linaro.org> | 2012-03-20 15:22:48 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-03-21 02:01:19 -0400 |
| commit | ee807dd89c0003a5cc0ec961132cd83542e5c30c (patch) | |
| tree | a3f2012ca62452a9ac5679f86e69d408d6ce4b2c /arch | |
| parent | d13e9261ac026f90cccac1e6de3978fb18d4af7b (diff) | |
| download | linux-ee807dd89c0003a5cc0ec961132cd83542e5c30c.tar.gz linux-ee807dd89c0003a5cc0ec961132cd83542e5c30c.tar.bz2 linux-ee807dd89c0003a5cc0ec961132cd83542e5c30c.zip | |
ARM: shmobile: Consolidate time keeping and irq enable
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-shmobile/cpuidle.c | 31 |
1 files changed, 7 insertions, 24 deletions
diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c index 1b2334277e85..ca23b202b02d 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); |