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Subject[PATCH 1/3] ARM / shmobile: Use genpd_queue_power_off_work()
Date
From: Rafael J. Wysocki <rjw@sisk.pl>

Make pd_power_down_a3rv() use genpd_queue_power_off_work() to queue
up the powering off of the A4LC domain to avoid queuing it up when
it is pending.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
arch/arm/mach-shmobile/pm-sh7372.c | 2 +-
drivers/base/power/domain.c | 2 +-
include/linux/pm_domain.h | 2 ++
3 files changed, 4 insertions(+), 2 deletions(-)
Index: linux-2.6/arch/arm/mach-shmobile/pm-sh7372.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-shmobile/pm-sh7372.c
+++ linux-2.6/arch/arm/mach-shmobile/pm-sh7372.c
@@ -107,7 +107,7 @@ static int pd_power_down_a3rv(struct gen

/* try to power down A4LC after A3RV is requested off */
pm_genpd_poweron(&sh7372_a4lc.genpd);
- queue_work(pm_wq, &sh7372_a4lc.genpd.power_off_work);
+ genpd_queue_power_off_work(&sh7372_a4lc.genpd);

return ret;
}
Index: linux-2.6/drivers/base/power/domain.c
===================================================================
--- linux-2.6.orig/drivers/base/power/domain.c
+++ linux-2.6/drivers/base/power/domain.c
@@ -222,7 +222,7 @@ static bool genpd_abort_poweroff(struct
* Queue up the execution of pm_genpd_poweroff() unless it's already been done
* before.
*/
-static void genpd_queue_power_off_work(struct generic_pm_domain *genpd)
+void genpd_queue_power_off_work(struct generic_pm_domain *genpd)
{
if (!work_pending(&genpd->power_off_work))
queue_work(pm_wq, &genpd->power_off_work);
Index: linux-2.6/include/linux/pm_domain.h
===================================================================
--- linux-2.6.orig/include/linux/pm_domain.h
+++ linux-2.6/include/linux/pm_domain.h
@@ -73,6 +73,7 @@ extern void pm_genpd_init(struct generic
struct dev_power_governor *gov, bool is_off);
extern int pm_genpd_poweron(struct generic_pm_domain *genpd);
extern void pm_genpd_poweroff_unused(void);
+extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd);
#else
static inline int pm_genpd_add_device(struct generic_pm_domain *genpd,
struct device *dev)
@@ -101,6 +102,7 @@ static inline int pm_genpd_poweron(struc
return -ENOSYS;
}
static inline void pm_genpd_poweroff_unused(void) {}
+static inline void genpd_queue_power_off_work(struct generic_pm_domain *gpd) {}
#endif

#endif /* _LINUX_PM_DOMAIN_H */


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