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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: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler 2015-05-07 15:54:00 +03:00 committed by Greg Kroah-Hartman
parent a1809d3890
commit 41c95b0438
1 changed files with 5 additions and 3 deletions
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8
drivers/misc/mei/init.c
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@ -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;
}