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-rw-r--r--drivers/base/power/main.c80
-rw-r--r--drivers/xen/manage.c16
2 files changed, 42 insertions, 54 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index c5a35bc9d63..1f3d82260db 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -315,13 +315,13 @@ static void pm_dev_err(struct device *dev, pm_message_t state, char *info,
/*------------------------- Resume routines -------------------------*/
/**
- * __device_resume_noirq - Power on one device (early resume).
+ * device_resume_noirq - Power on one device (early resume).
* @dev: Device.
* @state: PM transition of the system being carried out.
*
* Must be called with interrupts disabled.
*/
-static int __device_resume_noirq(struct device *dev, pm_message_t state)
+static int device_resume_noirq(struct device *dev, pm_message_t state)
{
int error = 0;
@@ -344,16 +344,16 @@ static int __device_resume_noirq(struct device *dev, pm_message_t state)
}
/**
- * dpm_power_up - Power on all regular (non-sysdev) devices.
+ * dpm_resume_noirq - Power on all regular (non-sysdev) devices.
* @state: PM transition of the system being carried out.
*
- * Execute the appropriate "noirq resume" callback for all devices marked
- * as DPM_OFF_IRQ.
+ * Call the "noirq" resume handlers for all devices marked as
+ * DPM_OFF_IRQ and enable device drivers to receive interrupts.
*
* Must be called under dpm_list_mtx. Device drivers should not receive
* interrupts while it's being executed.
*/
-static void dpm_power_up(pm_message_t state)
+void dpm_resume_noirq(pm_message_t state)
{
struct device *dev;
@@ -363,33 +363,21 @@ static void dpm_power_up(pm_message_t state)
int error;
dev->power.status = DPM_OFF;
- error = __device_resume_noirq(dev, state);
+ error = device_resume_noirq(dev, state);
if (error)
pm_dev_err(dev, state, " early", error);
}
mutex_unlock(&dpm_list_mtx);
-}
-
-/**
- * device_resume_noirq - Turn on all devices that need special attention.
- * @state: PM transition of the system being carried out.
- *
- * Call the "early" resume handlers and enable device drivers to receive
- * interrupts.
- */
-void device_resume_noirq(pm_message_t state)
-{
- dpm_power_up(state);
resume_device_irqs();
}
-EXPORT_SYMBOL_GPL(device_resume_noirq);
+EXPORT_SYMBOL_GPL(dpm_resume_noirq);
/**
- * resume_device - Restore state for one device.
+ * device_resume - Restore state for one device.
* @dev: Device.
* @state: PM transition of the system being carried out.
*/
-static int resume_device(struct device *dev, pm_message_t state)
+static int device_resume(struct device *dev, pm_message_t state)
{
int error = 0;
@@ -462,7 +450,7 @@ static void dpm_resume(pm_message_t state)
dev->power.status = DPM_RESUMING;
mutex_unlock(&dpm_list_mtx);
- error = resume_device(dev, state);
+ error = device_resume(dev, state);
mutex_lock(&dpm_list_mtx);
if (error)
@@ -480,11 +468,11 @@ static void dpm_resume(pm_message_t state)
}
/**
- * complete_device - Complete a PM transition for given device
+ * device_complete - Complete a PM transition for given device
* @dev: Device.
* @state: PM transition of the system being carried out.
*/
-static void complete_device(struct device *dev, pm_message_t state)
+static void device_complete(struct device *dev, pm_message_t state)
{
down(&dev->sem);
@@ -527,7 +515,7 @@ static void dpm_complete(pm_message_t state)
dev->power.status = DPM_ON;
mutex_unlock(&dpm_list_mtx);
- complete_device(dev, state);
+ device_complete(dev, state);
mutex_lock(&dpm_list_mtx);
}
@@ -540,19 +528,19 @@ static void dpm_complete(pm_message_t state)
}
/**
- * device_resume - Restore state of each device in system.
+ * dpm_resume_end - Restore state of each device in system.
* @state: PM transition of the system being carried out.
*
* Resume all the devices, unlock them all, and allow new
* devices to be registered once again.
*/
-void device_resume(pm_message_t state)
+void dpm_resume_end(pm_message_t state)
{
might_sleep();
dpm_resume(state);
dpm_complete(state);
}
-EXPORT_SYMBOL_GPL(device_resume);
+EXPORT_SYMBOL_GPL(dpm_resume_end);
/*------------------------- Suspend routines -------------------------*/
@@ -577,13 +565,13 @@ static pm_message_t resume_event(pm_message_t sleep_state)
}
/**
- * __device_suspend_noirq - Shut down one device (late suspend).
+ * device_suspend_noirq - Shut down one device (late suspend).
* @dev: Device.
* @state: PM transition of the system being carried out.
*
* This is called with interrupts off and only a single CPU running.
*/
-static int __device_suspend_noirq(struct device *dev, pm_message_t state)
+static int device_suspend_noirq(struct device *dev, pm_message_t state)
{
int error = 0;
@@ -602,15 +590,15 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state)
}
/**
- * device_suspend_noirq - Shut down special devices.
+ * dpm_suspend_noirq - Power down all regular (non-sysdev) devices.
* @state: PM transition of the system being carried out.
*
- * Prevent device drivers from receiving interrupts and call the "late"
+ * Prevent device drivers from receiving interrupts and call the "noirq"
* suspend handlers.
*
* Must be called under dpm_list_mtx.
*/
-int device_suspend_noirq(pm_message_t state)
+int dpm_suspend_noirq(pm_message_t state)
{
struct device *dev;
int error = 0;
@@ -618,7 +606,7 @@ int device_suspend_noirq(pm_message_t state)
suspend_device_irqs();
mutex_lock(&dpm_list_mtx);
list_for_each_entry_reverse(dev, &dpm_list, power.entry) {
- error = __device_suspend_noirq(dev, state);
+ error = device_suspend_noirq(dev, state);
if (error) {
pm_dev_err(dev, state, " late", error);
break;
@@ -627,17 +615,17 @@ int device_suspend_noirq(pm_message_t state)
}
mutex_unlock(&dpm_list_mtx);
if (error)
- device_resume_noirq(resume_event(state));
+ dpm_resume_noirq(resume_event(state));
return error;
}
-EXPORT_SYMBOL_GPL(device_suspend_noirq);
+EXPORT_SYMBOL_GPL(dpm_suspend_noirq);
/**
- * suspend_device - Save state of one device.
+ * device_suspend - Save state of one device.
* @dev: Device.
* @state: PM transition of the system being carried out.
*/
-static int suspend_device(struct device *dev, pm_message_t state)
+static int device_suspend(struct device *dev, pm_message_t state)
{
int error = 0;
@@ -704,7 +692,7 @@ static int dpm_suspend(pm_message_t state)
get_device(dev);
mutex_unlock(&dpm_list_mtx);
- error = suspend_device(dev, state);
+ error = device_suspend(dev, state);
mutex_lock(&dpm_list_mtx);
if (error) {
@@ -723,11 +711,11 @@ static int dpm_suspend(pm_message_t state)
}
/**
- * prepare_device - Execute the ->prepare() callback(s) for given device.
+ * device_prepare - Execute the ->prepare() callback(s) for given device.
* @dev: Device.
* @state: PM transition of the system being carried out.
*/
-static int prepare_device(struct device *dev, pm_message_t state)
+static int device_prepare(struct device *dev, pm_message_t state)
{
int error = 0;
@@ -781,7 +769,7 @@ static int dpm_prepare(pm_message_t state)
dev->power.status = DPM_PREPARING;
mutex_unlock(&dpm_list_mtx);
- error = prepare_device(dev, state);
+ error = device_prepare(dev, state);
mutex_lock(&dpm_list_mtx);
if (error) {
@@ -807,12 +795,12 @@ static int dpm_prepare(pm_message_t state)
}
/**
- * device_suspend - Save state and stop all devices in system.
+ * dpm_suspend_start - Save state and stop all devices in system.
* @state: PM transition of the system being carried out.
*
* Prepare and suspend all devices.
*/
-int device_suspend(pm_message_t state)
+int dpm_suspend_start(pm_message_t state)
{
int error;
@@ -822,7 +810,7 @@ int device_suspend(pm_message_t state)
error = dpm_suspend(state);
return error;
}
-EXPORT_SYMBOL_GPL(device_suspend);
+EXPORT_SYMBOL_GPL(dpm_suspend_start);
void __suspend_report_result(const char *function, void *fn, int ret)
{
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index d5b327ac403..10d03d7931c 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -43,7 +43,7 @@ static int xen_suspend(void *data)
if (err) {
printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n",
err);
- device_resume_noirq(PMSG_RESUME);
+ dpm_resume_noirq(PMSG_RESUME);
return err;
}
@@ -69,7 +69,7 @@ static int xen_suspend(void *data)
}
sysdev_resume();
- device_resume_noirq(PMSG_RESUME);
+ dpm_resume_noirq(PMSG_RESUME);
return 0;
}
@@ -92,18 +92,18 @@ static void do_suspend(void)
}
#endif
- err = device_suspend(PMSG_SUSPEND);
+ err = dpm_suspend_start(PMSG_SUSPEND);
if (err) {
- printk(KERN_ERR "xen suspend: device_suspend %d\n", err);
+ printk(KERN_ERR "xen suspend: dpm_suspend_start %d\n", err);
goto out;
}
printk(KERN_DEBUG "suspending xenstore...\n");
xs_suspend();
- err = device_suspend_noirq(PMSG_SUSPEND);
+ err = dpm_suspend_noirq(PMSG_SUSPEND);
if (err) {
- printk(KERN_ERR "device_suspend_noirq failed: %d\n", err);
+ printk(KERN_ERR "dpm_suspend_noirq failed: %d\n", err);
goto resume_devices;
}
@@ -119,10 +119,10 @@ static void do_suspend(void)
} else
xs_suspend_cancel();
- device_resume_noirq(PMSG_RESUME);
+ dpm_resume_noirq(PMSG_RESUME);
resume_devices:
- device_resume(PMSG_RESUME);
+ dpm_resume_end(PMSG_RESUME);
/* Make sure timer events get retriggered on all CPUs */
clock_was_set();