From: Rafael J. Wysocki <rjw@xxxxxxx> Since the A4LC should only be powered off if the A3RV is off, make the A4LC's power down routine return -EBUSY if A3RV is not off to indicate to the core that it doesn't want to power off the domain in that case. This will cause the core to regard A4LC as active, so the pm_genpd_poweron() in pd_power_down_a3rv() is not necessary any more. Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> --- arch/arm/mach-shmobile/pm-sh7372.c | 3 +-- 1 file changed, 1 insertion(+), 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 @@ -106,7 +106,6 @@ static int pd_power_down_a3rv(struct gen int ret = pd_power_down(genpd); /* try to power down A4LC after A3RV is requested off */ - pm_genpd_poweron(&sh7372_a4lc.genpd); genpd_queue_power_off_work(&sh7372_a4lc.genpd); return ret; @@ -118,7 +117,7 @@ static int pd_power_down_a4lc(struct gen if (!(__raw_readl(PSTR) & (1 << sh7372_a3rv.bit_shift))) return pd_power_down(genpd); - return 0; + return -EBUSY; } static bool pd_active_wakeup(struct device *dev) _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
