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Diffstat (limited to 'drivers/base/power/generic_ops.c')
-rw-r--r--drivers/base/power/generic_ops.c125
1 files changed, 29 insertions, 96 deletions
diff --git a/drivers/base/power/generic_ops.c b/drivers/base/power/generic_ops.c
index 5ee030a864f9..af99bbcf281c 100644
--- a/drivers/base/power/generic_ops.c
+++ b/drivers/base/power/generic_ops.c
@@ -1,16 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* drivers/base/power/generic_ops.c - Generic PM callbacks for subsystems
*
* Copyright (c) 2010 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
- *
- * This file is released under the GPLv2.
*/
-
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/export.h>
-#ifdef CONFIG_PM_RUNTIME
+#define CALL_PM_OP(dev, op) \
+({ \
+ struct device *_dev = (dev); \
+ const struct dev_pm_ops *pm = _dev->driver ? _dev->driver->pm : NULL; \
+ pm && pm->op ? pm->op(_dev) : 0; \
+})
+
+#ifdef CONFIG_PM
/**
* pm_generic_runtime_suspend - Generic runtime suspend callback for subsystems.
* @dev: Device to suspend.
@@ -21,12 +26,7 @@
*/
int pm_generic_runtime_suspend(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
- int ret;
-
- ret = pm && pm->runtime_suspend ? pm->runtime_suspend(dev) : 0;
-
- return ret;
+ return CALL_PM_OP(dev, runtime_suspend);
}
EXPORT_SYMBOL_GPL(pm_generic_runtime_suspend);
@@ -40,15 +40,10 @@ EXPORT_SYMBOL_GPL(pm_generic_runtime_suspend);
*/
int pm_generic_runtime_resume(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
- int ret;
-
- ret = pm && pm->runtime_resume ? pm->runtime_resume(dev) : 0;
-
- return ret;
+ return CALL_PM_OP(dev, runtime_resume);
}
EXPORT_SYMBOL_GPL(pm_generic_runtime_resume);
-#endif /* CONFIG_PM_RUNTIME */
+#endif /* CONFIG_PM */
#ifdef CONFIG_PM_SLEEP
/**
@@ -74,9 +69,7 @@ int pm_generic_prepare(struct device *dev)
*/
int pm_generic_suspend_noirq(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->suspend_noirq ? pm->suspend_noirq(dev) : 0;
+ return CALL_PM_OP(dev, suspend_noirq);
}
EXPORT_SYMBOL_GPL(pm_generic_suspend_noirq);
@@ -86,9 +79,7 @@ EXPORT_SYMBOL_GPL(pm_generic_suspend_noirq);
*/
int pm_generic_suspend_late(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->suspend_late ? pm->suspend_late(dev) : 0;
+ return CALL_PM_OP(dev, suspend_late);
}
EXPORT_SYMBOL_GPL(pm_generic_suspend_late);
@@ -98,9 +89,7 @@ EXPORT_SYMBOL_GPL(pm_generic_suspend_late);
*/
int pm_generic_suspend(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->suspend ? pm->suspend(dev) : 0;
+ return CALL_PM_OP(dev, suspend);
}
EXPORT_SYMBOL_GPL(pm_generic_suspend);
@@ -110,33 +99,17 @@ EXPORT_SYMBOL_GPL(pm_generic_suspend);
*/
int pm_generic_freeze_noirq(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->freeze_noirq ? pm->freeze_noirq(dev) : 0;
+ return CALL_PM_OP(dev, freeze_noirq);
}
EXPORT_SYMBOL_GPL(pm_generic_freeze_noirq);
/**
- * pm_generic_freeze_late - Generic freeze_late callback for subsystems.
- * @dev: Device to freeze.
- */
-int pm_generic_freeze_late(struct device *dev)
-{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->freeze_late ? pm->freeze_late(dev) : 0;
-}
-EXPORT_SYMBOL_GPL(pm_generic_freeze_late);
-
-/**
* pm_generic_freeze - Generic freeze callback for subsystems.
* @dev: Device to freeze.
*/
int pm_generic_freeze(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->freeze ? pm->freeze(dev) : 0;
+ return CALL_PM_OP(dev, freeze);
}
EXPORT_SYMBOL_GPL(pm_generic_freeze);
@@ -146,9 +119,7 @@ EXPORT_SYMBOL_GPL(pm_generic_freeze);
*/
int pm_generic_poweroff_noirq(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->poweroff_noirq ? pm->poweroff_noirq(dev) : 0;
+ return CALL_PM_OP(dev, poweroff_noirq);
}
EXPORT_SYMBOL_GPL(pm_generic_poweroff_noirq);
@@ -158,9 +129,7 @@ EXPORT_SYMBOL_GPL(pm_generic_poweroff_noirq);
*/
int pm_generic_poweroff_late(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->poweroff_late ? pm->poweroff_late(dev) : 0;
+ return CALL_PM_OP(dev, poweroff_late);
}
EXPORT_SYMBOL_GPL(pm_generic_poweroff_late);
@@ -170,9 +139,7 @@ EXPORT_SYMBOL_GPL(pm_generic_poweroff_late);
*/
int pm_generic_poweroff(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->poweroff ? pm->poweroff(dev) : 0;
+ return CALL_PM_OP(dev, poweroff);
}
EXPORT_SYMBOL_GPL(pm_generic_poweroff);
@@ -182,33 +149,17 @@ EXPORT_SYMBOL_GPL(pm_generic_poweroff);
*/
int pm_generic_thaw_noirq(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->thaw_noirq ? pm->thaw_noirq(dev) : 0;
+ return CALL_PM_OP(dev, thaw_noirq);
}
EXPORT_SYMBOL_GPL(pm_generic_thaw_noirq);
/**
- * pm_generic_thaw_early - Generic thaw_early callback for subsystems.
- * @dev: Device to thaw.
- */
-int pm_generic_thaw_early(struct device *dev)
-{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->thaw_early ? pm->thaw_early(dev) : 0;
-}
-EXPORT_SYMBOL_GPL(pm_generic_thaw_early);
-
-/**
* pm_generic_thaw - Generic thaw callback for subsystems.
* @dev: Device to thaw.
*/
int pm_generic_thaw(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->thaw ? pm->thaw(dev) : 0;
+ return CALL_PM_OP(dev, thaw);
}
EXPORT_SYMBOL_GPL(pm_generic_thaw);
@@ -218,9 +169,7 @@ EXPORT_SYMBOL_GPL(pm_generic_thaw);
*/
int pm_generic_resume_noirq(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->resume_noirq ? pm->resume_noirq(dev) : 0;
+ return CALL_PM_OP(dev, resume_noirq);
}
EXPORT_SYMBOL_GPL(pm_generic_resume_noirq);
@@ -230,9 +179,7 @@ EXPORT_SYMBOL_GPL(pm_generic_resume_noirq);
*/
int pm_generic_resume_early(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->resume_early ? pm->resume_early(dev) : 0;
+ return CALL_PM_OP(dev, resume_early);
}
EXPORT_SYMBOL_GPL(pm_generic_resume_early);
@@ -242,9 +189,7 @@ EXPORT_SYMBOL_GPL(pm_generic_resume_early);
*/
int pm_generic_resume(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->resume ? pm->resume(dev) : 0;
+ return CALL_PM_OP(dev, resume);
}
EXPORT_SYMBOL_GPL(pm_generic_resume);
@@ -254,9 +199,7 @@ EXPORT_SYMBOL_GPL(pm_generic_resume);
*/
int pm_generic_restore_noirq(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->restore_noirq ? pm->restore_noirq(dev) : 0;
+ return CALL_PM_OP(dev, restore_noirq);
}
EXPORT_SYMBOL_GPL(pm_generic_restore_noirq);
@@ -266,9 +209,7 @@ EXPORT_SYMBOL_GPL(pm_generic_restore_noirq);
*/
int pm_generic_restore_early(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->restore_early ? pm->restore_early(dev) : 0;
+ return CALL_PM_OP(dev, restore_early);
}
EXPORT_SYMBOL_GPL(pm_generic_restore_early);
@@ -278,14 +219,12 @@ EXPORT_SYMBOL_GPL(pm_generic_restore_early);
*/
int pm_generic_restore(struct device *dev)
{
- const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-
- return pm && pm->restore ? pm->restore(dev) : 0;
+ return CALL_PM_OP(dev, restore);
}
EXPORT_SYMBOL_GPL(pm_generic_restore);
/**
- * pm_generic_complete - Generic routine competing a device power transition.
+ * pm_generic_complete - Generic routine completing a device power transition.
* @dev: Device to handle.
*
* Complete a device power transition during a system-wide power transition.
@@ -296,11 +235,5 @@ void pm_generic_complete(struct device *dev)
if (drv && drv->pm && drv->pm->complete)
drv->pm->complete(dev);
-
- /*
- * Let runtime PM try to suspend devices that haven't been in use before
- * going into the system-wide sleep state we're resuming from.
- */
- pm_request_idle(dev);
}
#endif /* CONFIG_PM_SLEEP */
generated by cgit (git 2.34.1) at 2025-12-21 21:32:59 +0000