hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

OMAP3: PM: CPUidle: obey enable_off_mode flag 

If 'enable_off_mode' is not set, force powerdomain states to RET
instead of OFF.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Kevin Hilman 2008-10-28 17:30:07 -07:00
parent 20b0166988
commit c98e223006
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm/mach-omap2/cpuidle34xx.c
View File

@ -29,6 +29,8 @@
#include <plat/irqs.h>
#include <plat/control.h>
#include "pm.h"
#ifdef CONFIG_CPU_IDLE
#define OMAP3_MAX_STATES 7
@ -74,6 +76,7 @@ static int omap3_enter_idle(struct cpuidle_device *dev,
{
struct omap3_processor_cx *cx = cpuidle_get_statedata(state);
struct timespec ts_preidle, ts_postidle, ts_idle;
u32 mpu_state = cx->mpu_state, core_state = cx->core_state;
current_cx_state = *cx;
@ -83,8 +86,15 @@ static int omap3_enter_idle(struct cpuidle_device *dev,
local_irq_disable();
local_fiq_disable();
set_pwrdm_state(mpu_pd, cx->mpu_state);
set_pwrdm_state(core_pd, cx->core_state);
if (!enable_off_mode) {
if (mpu_state < PWRDM_POWER_RET)
mpu_state = PWRDM_POWER_RET;
if (core_state < PWRDM_POWER_RET)
core_state = PWRDM_POWER_RET;
}
set_pwrdm_state(mpu_pd, mpu_state);
set_pwrdm_state(core_pd, core_state);
if (omap_irq_pending())
goto return_sleep_time;