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PM: Convert dev_pm_put_subsys_data() into a void function

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Clients using the dev_pm_put_subsys_data() API isn't interested of a
return value. They care only of decreasing a reference to the device's
pm_subsys_data. So, let's convert the API to a void function, which
anyway seems like reasonable thing to do.

Signed-off-by: Ulf Hansson <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Ulf Hansson 2015-01-29 18:39:05 +01:00 • committed by Rafael J. Wysocki
commit 1e95e3b2da
2 changed files with 5 additions and 11 deletions
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14
drivers/base/power/common.c
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@ -56,13 +56,11 @@ EXPORT_SYMBOL_GPL(dev_pm_get_subsys_data);
* @dev: Device to handle.
*
* If the reference counter of power.subsys_data is zero after dropping the
* reference, power.subsys_data is removed. Return 1 if that happens or 0
* otherwise.
* reference, power.subsys_data is removed.
*/
int dev_pm_put_subsys_data(struct device *dev)
void dev_pm_put_subsys_data(struct device *dev)
{
struct pm_subsys_data *psd;
int ret = 1;
spin_lock_irq(&dev->power.lock);
@ -70,18 +68,14 @@ int dev_pm_put_subsys_data(struct device *dev)
if (!psd)
goto out;
if (--psd->refcount == 0) {
if (--psd->refcount == 0)
dev->power.subsys_data = NULL;
} else {
else
psd = NULL;
ret = 0;
}
out:
spin_unlock_irq(&dev->power.lock);
kfree(psd);
return ret;
}
EXPORT_SYMBOL_GPL(dev_pm_put_subsys_data);