diff options
Diffstat (limited to 'arch/arm/mach-shmobile/pm-rmobile.c')
-rw-r--r-- | arch/arm/mach-shmobile/pm-rmobile.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c index c6a11b5ec6db..421ae1c887d8 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.c +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -18,12 +18,11 @@ #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/pm_clock.h> +#include <linux/pm_domain.h> #include <linux/slab.h> #include <asm/io.h> -#include "pm-rmobile.h" - /* SYSC */ #define SPDCR 0x08 /* SYS Power Down Control Register */ #define SWUCR 0x14 /* SYS Wakeup Control Register */ @@ -32,6 +31,14 @@ #define PSTR_RETRIES 100 #define PSTR_DELAY_US 10 +struct rmobile_pm_domain { + struct generic_pm_domain genpd; + struct dev_power_governor *gov; + int (*suspend)(void); + void __iomem *base; + unsigned int bit_shift; +}; + static inline struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d) { @@ -65,16 +72,13 @@ static int rmobile_pd_power_down(struct generic_pm_domain *genpd) } } - if (!rmobile_pd->no_debug) - pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", - genpd->name, mask, - __raw_readl(rmobile_pd->base + PSTR)); + pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", genpd->name, mask, + __raw_readl(rmobile_pd->base + PSTR)); return 0; } -static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd, - bool do_resume) +static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd) { unsigned int mask; unsigned int retry_count; @@ -85,7 +89,7 @@ static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd, mask = BIT(rmobile_pd->bit_shift); if (__raw_readl(rmobile_pd->base + PSTR) & mask) - goto out; + return ret; __raw_writel(mask, rmobile_pd->base + SWUCR); @@ -100,21 +104,16 @@ static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd, if (!retry_count) ret = -EIO; - if (!rmobile_pd->no_debug) - pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n", - rmobile_pd->genpd.name, mask, - __raw_readl(rmobile_pd->base + PSTR)); - -out: - if (ret == 0 && rmobile_pd->resume && do_resume) - rmobile_pd->resume(); + pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n", + rmobile_pd->genpd.name, mask, + __raw_readl(rmobile_pd->base + PSTR)); return ret; } static int rmobile_pd_power_up(struct generic_pm_domain *genpd) { - return __rmobile_pd_power_up(to_rmobile_pd(genpd), true); + return __rmobile_pd_power_up(to_rmobile_pd(genpd)); } static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd) @@ -127,7 +126,7 @@ static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd) genpd->power_on = rmobile_pd_power_up; genpd->attach_dev = cpg_mstp_attach_dev; genpd->detach_dev = cpg_mstp_detach_dev; - __rmobile_pd_power_up(rmobile_pd, false); + __rmobile_pd_power_up(rmobile_pd); pm_genpd_init(genpd, gov ? : &simple_qos_governor, false); } |