diff options
Diffstat (limited to 'arch/sh/kernel/cpu/shmobile/pm_runtime.c')
| -rw-r--r-- | arch/sh/kernel/cpu/shmobile/pm_runtime.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/arch/sh/kernel/cpu/shmobile/pm_runtime.c b/arch/sh/kernel/cpu/shmobile/pm_runtime.c index 6dcb8166a64..64c807c3920 100644 --- a/arch/sh/kernel/cpu/shmobile/pm_runtime.c +++ b/arch/sh/kernel/cpu/shmobile/pm_runtime.c @@ -139,7 +139,7 @@ void platform_pm_runtime_suspend_idle(void) queue_work(pm_wq, &hwblk_work); } -int platform_pm_runtime_suspend(struct device *dev) +static int default_platform_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct pdev_archdata *ad = &pdev->archdata; @@ -147,7 +147,7 @@ int platform_pm_runtime_suspend(struct device *dev) int hwblk = ad->hwblk_id; int ret = 0; - dev_dbg(dev, "platform_pm_runtime_suspend() [%d]\n", hwblk); + dev_dbg(dev, "%s() [%d]\n", __func__, hwblk); /* ignore off-chip platform devices */ if (!hwblk) @@ -157,7 +157,7 @@ int platform_pm_runtime_suspend(struct device *dev) might_sleep(); /* catch misconfigured drivers not starting with resume */ - if (test_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags)) { + if (test_bit(PDEV_ARCHDATA_FLAG_INIT, &ad->flags)) { ret = -EINVAL; goto out; } @@ -170,8 +170,8 @@ int platform_pm_runtime_suspend(struct device *dev) /* put device on idle list */ spin_lock_irqsave(&hwblk_lock, flags); - list_add_tail(&pdev->archdata.entry, &hwblk_idle_list); - __set_bit(PDEV_ARCHDATA_FLAG_IDLE, &pdev->archdata.flags); + list_add_tail(&ad->entry, &hwblk_idle_list); + __set_bit(PDEV_ARCHDATA_FLAG_IDLE, &ad->flags); spin_unlock_irqrestore(&hwblk_lock, flags); /* increase idle count */ @@ -183,20 +183,20 @@ int platform_pm_runtime_suspend(struct device *dev) mutex_unlock(&ad->mutex); out: - dev_dbg(dev, "platform_pm_runtime_suspend() [%d] returns %d\n", - hwblk, ret); + dev_dbg(dev, "%s() [%d] returns %d\n", + __func__, hwblk, ret); return ret; } -int platform_pm_runtime_resume(struct device *dev) +static int default_platform_runtime_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct pdev_archdata *ad = &pdev->archdata; int hwblk = ad->hwblk_id; int ret = 0; - dev_dbg(dev, "platform_pm_runtime_resume() [%d]\n", hwblk); + dev_dbg(dev, "%s() [%d]\n", __func__, hwblk); /* ignore off-chip platform devices */ if (!hwblk) @@ -228,19 +228,19 @@ int platform_pm_runtime_resume(struct device *dev) */ mutex_unlock(&ad->mutex); out: - dev_dbg(dev, "platform_pm_runtime_resume() [%d] returns %d\n", - hwblk, ret); + dev_dbg(dev, "%s() [%d] returns %d\n", + __func__, hwblk, ret); return ret; } -int platform_pm_runtime_idle(struct device *dev) +static int default_platform_runtime_idle(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); int hwblk = pdev->archdata.hwblk_id; int ret = 0; - dev_dbg(dev, "platform_pm_runtime_idle() [%d]\n", hwblk); + dev_dbg(dev, "%s() [%d]\n", __func__, hwblk); /* ignore off-chip platform devices */ if (!hwblk) @@ -252,10 +252,19 @@ int platform_pm_runtime_idle(struct device *dev) /* suspend synchronously to disable clocks immediately */ ret = pm_runtime_suspend(dev); out: - dev_dbg(dev, "platform_pm_runtime_idle() [%d] done!\n", hwblk); + dev_dbg(dev, "%s() [%d] done!\n", __func__, hwblk); return ret; } +static struct dev_power_domain default_power_domain = { + .ops = { + .runtime_suspend = default_platform_runtime_suspend, + .runtime_resume = default_platform_runtime_resume, + .runtime_idle = default_platform_runtime_idle, + USE_PLATFORM_PM_SLEEP_OPS + }, +}; + static int platform_bus_notify(struct notifier_block *nb, unsigned long action, void *data) { @@ -276,6 +285,7 @@ static int platform_bus_notify(struct notifier_block *nb, hwblk_disable(hwblk_info, hwblk); /* make sure driver re-inits itself once */ __set_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags); + dev->pwr_domain = &default_power_domain; break; /* TODO: add BUS_NOTIFY_BIND_DRIVER and increase idle count */ case BUS_NOTIFY_BOUND_DRIVER: @@ -289,6 +299,7 @@ static int platform_bus_notify(struct notifier_block *nb, __set_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags); break; case BUS_NOTIFY_DEL_DEVICE: + dev->pwr_domain = NULL; break; } return 0; |