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Commit 41c95b04 authored by Tomas Winkler's avatar Tomas Winkler Committed by Greg Kroah-Hartman
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mei: add also write waiting list to runtime pm blockers 



The io callback is clear from write_waitling_list after
we receive interrupt from the hw to ack the write completion.
We need to wait for this interrupt deliver before we try
to enter low power state

Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a1809d38

drivers/misc/mei/init.c

+5 −3
Original line number Diff line number Diff line
@@ -361,13 +361,15 @@ bool mei_write_is_idle(struct mei_device *dev) 
{

	bool idle = (dev->dev_state == MEI_DEV_ENABLED &&

		list_empty(&dev->ctrl_wr_list.list) &&

		list_empty(&dev->write_list.list));

		list_empty(&dev->write_list.list)   &&

		list_empty(&dev->write_waiting_list.list));



	dev_dbg(dev->dev, "write pg: is idle[%d] state=%s ctrl=%d write=%d\n",

	dev_dbg(dev->dev, "write pg: is idle[%d] state=%s ctrl=%01d write=%01d wwait=%01d\n",

		idle,

		mei_dev_state_str(dev->dev_state),

		list_empty(&dev->ctrl_wr_list.list),

		list_empty(&dev->write_list.list));

		list_empty(&dev->write_list.list),

		list_empty(&dev->write_waiting_list.list));



	return idle;

}