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PM: runtime: Add pm_runtime_put_autosuspend() replacement

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Add __pm_runtime_put_autosuspend() that replaces
pm_runtime_put_autosuspend() for new users. The intent is to later
re-purpose pm_runtime_put_autosuspend() to also mark the device's last
busy stamp---which is what the vast majority of users actually need.

This is also described in pm_runtime_put_autosuspend() documentation.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Sakari Ailus
2024-01-30 13:28:32 +02:00
committed by Rafael J. Wysocki
parent c0ef3df8db
commit b7d46644e5
2 changed files with 23 additions and 6 deletions
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12
include/linux/pm_runtime.h
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@@ -448,6 +448,18 @@ static inline int pm_runtime_put(struct device *dev)
return __pm_runtime_idle(dev, RPM_GET_PUT | RPM_ASYNC);
}
/**
* __pm_runtime_put_autosuspend - Drop device usage counter and queue autosuspend if 0.
* @dev: Target device.
*
* Decrement the runtime PM usage counter of @dev and if it turns out to be
* equal to 0, queue up a work item for @dev like in pm_request_autosuspend().
*/
static inline int __pm_runtime_put_autosuspend(struct device *dev)
{
return __pm_runtime_suspend(dev, RPM_GET_PUT | RPM_ASYNC | RPM_AUTO);
}
/**
* pm_runtime_put_autosuspend - Drop device usage counter and queue autosuspend if 0.
* @dev: Target device.