From 6fb28badf207a6d8a78906353772e1c3f560a977 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Mon, 6 Aug 2012 01:45:54 +0200 Subject: PM / Domains: Rename the always_on device flag to syscore The always_on device flag is used to mark the devices (belonging to a PM domain) that should never be turned off, except for the system core (syscore) suspend/hibernation and resume stages. Change name of that flag to "syscore" to better reflect its purpose. Signed-off-by: Rafael J. Wysocki Acked-by: Magnus Damm diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 515c8ec..15234ec 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -436,7 +436,7 @@ static int pm_genpd_poweroff(struct generic_pm_domain *genpd) not_suspended = 0; list_for_each_entry(pdd, &genpd->dev_list, list_node) if (pdd->dev->driver && (!pm_runtime_suspended(pdd->dev) - || pdd->dev->power.irq_safe || to_gpd_data(pdd)->always_on)) + || pdd->dev->power.irq_safe || to_gpd_data(pdd)->syscore)) not_suspended++; if (not_suspended > genpd->in_progress) @@ -578,7 +578,7 @@ static int pm_genpd_runtime_suspend(struct device *dev) might_sleep_if(!genpd->dev_irq_safe); - if (dev_gpd_data(dev)->always_on) + if (dev_gpd_data(dev)->syscore) return -EBUSY; stop_ok = genpd->gov ? genpd->gov->stop_ok : NULL; @@ -983,7 +983,7 @@ static int pm_genpd_suspend_noirq(struct device *dev) if (IS_ERR(genpd)) return -EINVAL; - if (genpd->suspend_power_off || dev_gpd_data(dev)->always_on + if (genpd->suspend_power_off || dev_gpd_data(dev)->syscore || (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev))) return 0; @@ -1016,7 +1016,7 @@ static int pm_genpd_resume_noirq(struct device *dev) if (IS_ERR(genpd)) return -EINVAL; - if (genpd->suspend_power_off || dev_gpd_data(dev)->always_on + if (genpd->suspend_power_off || dev_gpd_data(dev)->syscore || (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev))) return 0; @@ -1136,7 +1136,7 @@ static int pm_genpd_freeze_noirq(struct device *dev) if (IS_ERR(genpd)) return -EINVAL; - return genpd->suspend_power_off || dev_gpd_data(dev)->always_on ? + return genpd->suspend_power_off || dev_gpd_data(dev)->syscore ? 0 : genpd_stop_dev(genpd, dev); } @@ -1157,7 +1157,7 @@ static int pm_genpd_thaw_noirq(struct device *dev) if (IS_ERR(genpd)) return -EINVAL; - return genpd->suspend_power_off || dev_gpd_data(dev)->always_on ? + return genpd->suspend_power_off || dev_gpd_data(dev)->syscore ? 0 : genpd_start_dev(genpd, dev); } @@ -1253,7 +1253,7 @@ static int pm_genpd_restore_noirq(struct device *dev) pm_genpd_sync_poweron(genpd); - return dev_gpd_data(dev)->always_on ? 0 : genpd_start_dev(genpd, dev); + return dev_gpd_data(dev)->syscore ? 0 : genpd_start_dev(genpd, dev); } /** @@ -1526,11 +1526,11 @@ int pm_genpd_remove_device(struct generic_pm_domain *genpd, } /** - * pm_genpd_dev_always_on - Set/unset the "always on" flag for a given device. + * pm_genpd_dev_syscore - Set/unset the "syscore" flag for a given device. * @dev: Device to set/unset the flag for. - * @val: The new value of the device's "always on" flag. + * @val: The new value of the device's "syscore" flag. */ -void pm_genpd_dev_always_on(struct device *dev, bool val) +void pm_genpd_dev_syscore(struct device *dev, bool val) { struct pm_subsys_data *psd; unsigned long flags; @@ -1539,11 +1539,11 @@ void pm_genpd_dev_always_on(struct device *dev, bool val) psd = dev_to_psd(dev); if (psd && psd->domain_data) - to_gpd_data(psd->domain_data)->always_on = val; + to_gpd_data(psd->domain_data)->syscore = val; spin_unlock_irqrestore(&dev->power.lock, flags); } -EXPORT_SYMBOL_GPL(pm_genpd_dev_always_on); +EXPORT_SYMBOL_GPL(pm_genpd_dev_syscore); /** * pm_genpd_dev_need_restore - Set/unset the device's "need restore" flag. diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index c06d27f..c6fbb9f 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -717,7 +717,7 @@ static int __devinit sh_cmt_probe(struct platform_device *pdev) struct sh_timer_config *cfg = pdev->dev.platform_data; if (cfg->clocksource_rating || cfg->clockevent_rating) - pm_genpd_dev_always_on(&pdev->dev, true); + pm_genpd_dev_syscore(&pdev->dev, true); } if (p) { diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index a55bb90..278c18a 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -323,7 +323,7 @@ static int __devinit sh_mtu2_probe(struct platform_device *pdev) struct sh_timer_config *cfg = pdev->dev.platform_data; if (cfg->clockevent_rating) - pm_genpd_dev_always_on(&pdev->dev, true); + pm_genpd_dev_syscore(&pdev->dev, true); } if (p) { diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c index 7d70082..5319689 100644 --- a/drivers/clocksource/sh_tmu.c +++ b/drivers/clocksource/sh_tmu.c @@ -453,7 +453,7 @@ static int __devinit sh_tmu_probe(struct platform_device *pdev) struct sh_timer_config *cfg = pdev->dev.platform_data; if (cfg->clocksource_rating || cfg->clockevent_rating) - pm_genpd_dev_always_on(&pdev->dev, true); + pm_genpd_dev_syscore(&pdev->dev, true); } if (p) { diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index ab83cf3..dab0938 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -114,7 +114,7 @@ struct generic_pm_domain_data { struct mutex lock; unsigned int refcount; bool need_restore; - bool always_on; + bool syscore; }; #ifdef CONFIG_PM_GENERIC_DOMAINS @@ -153,7 +153,7 @@ static inline int pm_genpd_of_add_device(struct device_node *genpd_node, extern int pm_genpd_remove_device(struct generic_pm_domain *genpd, struct device *dev); -extern void pm_genpd_dev_always_on(struct device *dev, bool val); +extern void pm_genpd_dev_syscore(struct device *dev, bool val); extern void pm_genpd_dev_need_restore(struct device *dev, bool val); extern int pm_genpd_add_subdomain(struct generic_pm_domain *genpd, struct generic_pm_domain *new_subdomain); @@ -199,7 +199,7 @@ static inline int pm_genpd_remove_device(struct generic_pm_domain *genpd, { return -ENOSYS; } -static inline void pm_genpd_dev_always_on(struct device *dev, bool val) {} +static inline void pm_genpd_dev_syscore(struct device *dev, bool val) {} static inline void pm_genpd_dev_need_restore(struct device *dev, bool val) {} static inline int pm_genpd_add_subdomain(struct generic_pm_domain *genpd, struct generic_pm_domain *new_sd) -- cgit v0.10.2