forked from luck/tmp_suning_uos_patched
PM / Runtime: Idle devices asynchronously after probe|release
Putting devices into idle|suspend in a synchronous manner means we are waiting for each device to become idle|suspended before the probe|release is fully done. This patch switch to use the asynchronous runtime PM API:s instead and thus improves the parallelism since we can move on and handle the next device in queue in an earlier phase. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Kevin Hilman <khilman@linaro.org> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Alan Stern <stern@rowland.harvard.edu> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
4e4098a3e0
commit
fa180eb448
|
@ -380,7 +380,7 @@ int driver_probe_device(struct device_driver *drv, struct device *dev)
|
|||
|
||||
pm_runtime_barrier(dev);
|
||||
ret = really_probe(dev, drv);
|
||||
pm_runtime_idle(dev);
|
||||
pm_request_idle(dev);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
@ -428,7 +428,7 @@ int device_attach(struct device *dev)
|
|||
}
|
||||
} else {
|
||||
ret = bus_for_each_drv(dev->bus, NULL, dev, __device_attach);
|
||||
pm_runtime_idle(dev);
|
||||
pm_request_idle(dev);
|
||||
}
|
||||
out_unlock:
|
||||
device_unlock(dev);
|
||||
|
@ -499,7 +499,7 @@ static void __device_release_driver(struct device *dev)
|
|||
BUS_NOTIFY_UNBIND_DRIVER,
|
||||
dev);
|
||||
|
||||
pm_runtime_put_sync(dev);
|
||||
pm_runtime_put(dev);
|
||||
|
||||
if (dev->bus && dev->bus->remove)
|
||||
dev->bus->remove(dev);
|
||||
|
|
Loading…
Reference in New Issue
Block a user