diff options
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/power/Makefile | 2 | ||||
-rw-r--r-- | drivers/base/power/power.h | 5 | ||||
-rw-r--r-- | drivers/base/power/runtime.c | 85 |
3 files changed, 1 insertions, 91 deletions
diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile index 91f230939c1e..fff178007208 100644 --- a/drivers/base/power/Makefile +++ b/drivers/base/power/Makefile @@ -1,5 +1,5 @@ obj-y := shutdown.o -obj-$(CONFIG_PM) += main.o suspend.o resume.o runtime.o sysfs.o +obj-$(CONFIG_PM) += main.o suspend.o resume.o sysfs.o obj-$(CONFIG_PM_TRACE) += trace.o ifeq ($(CONFIG_DEBUG_DRIVER),y) diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 2760f25b3ac5..591a0dd5deee 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -62,11 +62,6 @@ extern int resume_device(struct device *); */ extern int suspend_device(struct device *, pm_message_t); - -/* - * runtime.c - */ - #else /* CONFIG_PM */ diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c deleted file mode 100644 index df6174d85866..000000000000 --- a/drivers/base/power/runtime.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * drivers/base/power/runtime.c - Handling dynamic device power management. - * - * Copyright (c) 2003 Patrick Mochel - * Copyright (c) 2003 Open Source Development Lab - * - */ - -#include <linux/device.h> -#include "power.h" - - -static void runtime_resume(struct device * dev) -{ - dev_dbg(dev, "resuming\n"); - if (!dev->power.power_state.event) - return; - if (!resume_device(dev)) - dev->power.power_state = PMSG_ON; -} - - -/** - * dpm_runtime_resume - Power one device back on. - * @dev: Device. - * - * Bring one device back to the on state by first powering it - * on, then restoring state. We only operate on devices that aren't - * already on. - * FIXME: We need to handle devices that are in an unknown state. - */ - -void dpm_runtime_resume(struct device * dev) -{ - mutex_lock(&dpm_mtx); - runtime_resume(dev); - mutex_unlock(&dpm_mtx); -} -EXPORT_SYMBOL(dpm_runtime_resume); - - -/** - * dpm_runtime_suspend - Put one device in low-power state. - * @dev: Device. - * @state: State to enter. - */ - -int dpm_runtime_suspend(struct device * dev, pm_message_t state) -{ - int error = 0; - - mutex_lock(&dpm_mtx); - if (dev->power.power_state.event == state.event) - goto Done; - - if (dev->power.power_state.event) - runtime_resume(dev); - - if (!(error = suspend_device(dev, state))) - dev->power.power_state = state; - Done: - mutex_unlock(&dpm_mtx); - return error; -} -EXPORT_SYMBOL(dpm_runtime_suspend); - - -#if 0 -/** - * dpm_set_power_state - Update power_state field. - * @dev: Device. - * @state: Power state device is in. - * - * This is an update mechanism for drivers to notify the core - * what power state a device is in. Device probing code may not - * always be able to tell, but we need accurate information to - * work reliably. - */ -void dpm_set_power_state(struct device * dev, pm_message_t state) -{ - mutex_lock(&dpm_mtx); - dev->power.power_state = state; - mutex_unlock(&dpm_mtx); -} -#endif /* 0 */ |