redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

ARM: shmobile: Consolidate time keeping and irq enable

Browse source 
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>
This commit is contained in:
Robert Lee 2012-03-20 15:22:48 -05:00 committed by Len Brown
parent d13e9261ac
commit ee807dd89c
1 changed files with 7 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
arch/arm/mach-shmobile/cpuidle.c
View file

@ -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);