diff options
Diffstat (limited to 'arch/arm/plat-omap/omap_device.c')
-rw-r--r-- | arch/arm/plat-omap/omap_device.c | 68 |
1 files changed, 53 insertions, 15 deletions
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 49fc0df0c21f..3471c650743b 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -236,11 +236,6 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat) return 0; } -static inline struct omap_device *_find_by_pdev(struct platform_device *pdev) -{ - return container_of(pdev, struct omap_device, pdev); -} - /** * _add_optional_clock_clkdev - Add clkdev entry for hwmod optional clocks * @od: struct omap_device *od @@ -316,7 +311,7 @@ u32 omap_device_get_context_loss_count(struct platform_device *pdev) struct omap_device *od; u32 ret = 0; - od = _find_by_pdev(pdev); + od = to_omap_device(pdev); if (od->hwmods_cnt) ret = omap_hwmod_get_context_loss_count(od->hwmods[0]); @@ -537,6 +532,7 @@ int omap_early_device_register(struct omap_device *od) return 0; } +#ifdef CONFIG_PM_RUNTIME static int _od_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -563,13 +559,55 @@ static int _od_runtime_resume(struct device *dev) return pm_generic_runtime_resume(dev); } +#endif + +#ifdef CONFIG_SUSPEND +static int _od_suspend_noirq(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct omap_device *od = to_omap_device(pdev); + int ret; + + if (od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND) + return pm_generic_suspend_noirq(dev); + + ret = pm_generic_suspend_noirq(dev); + + if (!ret && !pm_runtime_status_suspended(dev)) { + if (pm_generic_runtime_suspend(dev) == 0) { + omap_device_idle(pdev); + od->flags |= OMAP_DEVICE_SUSPENDED; + } + } + + return ret; +} + +static int _od_resume_noirq(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct omap_device *od = to_omap_device(pdev); + + if (od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND) + return pm_generic_resume_noirq(dev); + + if ((od->flags & OMAP_DEVICE_SUSPENDED) && + !pm_runtime_status_suspended(dev)) { + od->flags &= ~OMAP_DEVICE_SUSPENDED; + omap_device_enable(pdev); + pm_generic_runtime_resume(dev); + } + + return pm_generic_resume_noirq(dev); +} +#endif -static struct dev_power_domain omap_device_power_domain = { +static struct dev_pm_domain omap_device_pm_domain = { .ops = { - .runtime_suspend = _od_runtime_suspend, - .runtime_idle = _od_runtime_idle, - .runtime_resume = _od_runtime_resume, + SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume, + _od_runtime_idle) USE_PLATFORM_PM_SLEEP_OPS + SET_SYSTEM_SLEEP_PM_OPS(_od_suspend_noirq, _od_resume_noirq) } }; @@ -586,7 +624,7 @@ int omap_device_register(struct omap_device *od) pr_debug("omap_device: %s: registering\n", od->pdev.name); od->pdev.dev.parent = &omap_device_parent; - od->pdev.dev.pwr_domain = &omap_device_power_domain; + od->pdev.dev.pm_domain = &omap_device_pm_domain; return platform_device_register(&od->pdev); } @@ -611,7 +649,7 @@ int omap_device_enable(struct platform_device *pdev) int ret; struct omap_device *od; - od = _find_by_pdev(pdev); + od = to_omap_device(pdev); if (od->_state == OMAP_DEVICE_STATE_ENABLED) { WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n", @@ -650,7 +688,7 @@ int omap_device_idle(struct platform_device *pdev) int ret; struct omap_device *od; - od = _find_by_pdev(pdev); + od = to_omap_device(pdev); if (od->_state != OMAP_DEVICE_STATE_ENABLED) { WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n", @@ -681,7 +719,7 @@ int omap_device_shutdown(struct platform_device *pdev) int ret, i; struct omap_device *od; - od = _find_by_pdev(pdev); + od = to_omap_device(pdev); if (od->_state != OMAP_DEVICE_STATE_ENABLED && od->_state != OMAP_DEVICE_STATE_IDLE) { @@ -722,7 +760,7 @@ int omap_device_align_pm_lat(struct platform_device *pdev, int ret = -EINVAL; struct omap_device *od; - od = _find_by_pdev(pdev); + od = to_omap_device(pdev); if (new_wakeup_lat_limit == od->dev_wakeup_lat) return 0; |