From: Tomas Winkler Date: Thu, 7 May 2015 12:54:00 +0000 (+0300) Subject: mei: add also write waiting list to runtime pm blockers X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=41c95b04385863f694fcf96e08994ebc722b7b9f;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 97353cf8d9b6..94514b2c7a50 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -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; }