diff options
Diffstat (limited to 'arch/arm/mach-shmobile/pm-sh7372.c')
| -rw-r--r-- | arch/arm/mach-shmobile/pm-sh7372.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 8e0944f96ba1..fde619dd4c05 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -92,8 +92,9 @@ static int pd_power_down(struct generic_pm_domain *genpd) } } - pr_debug("sh7372 power domain down 0x%08x -> PSTR = 0x%08x\n", - mask, __raw_readl(PSTR)); + if (!sh7372_pd->no_debug) + pr_debug("sh7372 power domain down 0x%08x -> PSTR = 0x%08x\n", + mask, __raw_readl(PSTR)); return 0; } @@ -122,8 +123,9 @@ static int pd_power_up(struct generic_pm_domain *genpd) ret = -EIO; out: - pr_debug("sh7372 power domain up 0x%08x -> PSTR = 0x%08x\n", - mask, __raw_readl(PSTR)); + if (!sh7372_pd->no_debug) + pr_debug("sh7372 power domain up 0x%08x -> PSTR = 0x%08x\n", + mask, __raw_readl(PSTR)); return ret; } @@ -133,11 +135,20 @@ static bool pd_active_wakeup(struct device *dev) return true; } +static bool sh7372_power_down_forbidden(struct dev_pm_domain *domain) +{ + return false; +} + +struct dev_power_governor sh7372_always_on_gov = { + .power_down_ok = sh7372_power_down_forbidden, +}; + void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd) { struct generic_pm_domain *genpd = &sh7372_pd->genpd; - pm_genpd_init(genpd, NULL, false); + pm_genpd_init(genpd, sh7372_pd->gov, false); genpd->stop_device = pm_clk_suspend; genpd->start_device = pm_clk_resume; genpd->dev_irq_safe = true; @@ -183,6 +194,12 @@ struct sh7372_pm_domain sh7372_a3ri = { .bit_shift = 8, }; +struct sh7372_pm_domain sh7372_a3sp = { + .bit_shift = 11, + .gov = &sh7372_always_on_gov, + .no_debug = true, +}; + struct sh7372_pm_domain sh7372_a3sg = { .bit_shift = 13, }; @@ -422,6 +439,9 @@ void __init sh7372_pm_init(void) __raw_writel(0x0000a501, DBGREG9); __raw_writel(0x00000000, DBGREG1); + /* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */ + __raw_writel(0, PDNSEL); + sh7372_suspend_init(); sh7372_cpuidle_init(); } |