diff options
author | Rafael J. Wysocki <rjw@sisk.pl> | 2011-08-14 11:35:39 (GMT) |
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committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-08-25 13:33:45 (GMT) |
commit | 111058c3ff29a6a25216b31789046c2a330baa7d (patch) | |
tree | a6a50e24203092695d36ed1bea16d3169e01dbd8 /arch/arm/mach-shmobile/pm-sh7372.c | |
parent | bc0403ff16e5305c3a14c2b0826616ceaabbf058 (diff) | |
download | linux-111058c3ff29a6a25216b31789046c2a330baa7d.tar.xz |
ARM / shmobile: Make A3RV be a subdomain of A4LC on SH7372
Instead of coding the undocumented dependencies between power domains
A3RV and A4LC on SH7372 directly into the low-level power up/down
routines, make A3RV be a subdomain of A4LC, which will cause the
same dependecies to hold.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Magnus Damm <damm@opensource.se>
Diffstat (limited to 'arch/arm/mach-shmobile/pm-sh7372.c')
-rw-r--r-- | arch/arm/mach-shmobile/pm-sh7372.c | 48 |
1 files changed, 8 insertions, 40 deletions
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 933fb41..b471b79 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -91,35 +91,6 @@ static int pd_power_up(struct generic_pm_domain *genpd) return ret; } -static int pd_power_up_a3rv(struct generic_pm_domain *genpd) -{ - int ret = pd_power_up(genpd); - - /* force A4LC on after A3RV has been requested on */ - pm_genpd_poweron(&sh7372_a4lc.genpd); - - return ret; -} - -static int pd_power_down_a3rv(struct generic_pm_domain *genpd) -{ - int ret = pd_power_down(genpd); - - /* try to power down A4LC after A3RV is requested off */ - genpd_queue_power_off_work(&sh7372_a4lc.genpd); - - return ret; -} - -static int pd_power_down_a4lc(struct generic_pm_domain *genpd) -{ - /* only power down A4LC if A3RV is off */ - if (!(__raw_readl(PSTR) & (1 << sh7372_a3rv.bit_shift))) - return pd_power_down(genpd); - - return -EBUSY; -} - static bool pd_active_wakeup(struct device *dev) { return true; @@ -133,17 +104,8 @@ void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd) genpd->stop_device = pm_clk_suspend; genpd->start_device = pm_clk_resume; genpd->active_wakeup = pd_active_wakeup; - - if (sh7372_pd == &sh7372_a4lc) { - genpd->power_off = pd_power_down_a4lc; - genpd->power_on = pd_power_up; - } else if (sh7372_pd == &sh7372_a3rv) { - genpd->power_off = pd_power_down_a3rv; - genpd->power_on = pd_power_up_a3rv; - } else { - genpd->power_off = pd_power_down; - genpd->power_on = pd_power_up; - } + genpd->power_off = pd_power_down; + genpd->power_on = pd_power_up; genpd->power_on(&sh7372_pd->genpd); } @@ -159,6 +121,12 @@ void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd, pm_genpd_add_device(&sh7372_pd->genpd, dev); } +void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd, + struct sh7372_pm_domain *sh7372_sd) +{ + pm_genpd_add_subdomain(&sh7372_pd->genpd, &sh7372_sd->genpd); +} + struct sh7372_pm_domain sh7372_a4lc = { .bit_shift = 1, }; |