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| author | Tomas Winkler <tomas.winkler@intel.com> | 2015-05-07 15:54:00 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-24 11:15:54 -0700 |
| commit | 41c95b04385863f694fcf96e08994ebc722b7b9f (patch) | |
| tree | 5b638016924bff6fb3625c60ff5a83e4ea77c493 | |
| parent | a1809d38900cff016b2bac9d82766f7420f8eb5d (diff) | |
| download | linux-41c95b04385863f694fcf96e08994ebc722b7b9f.tar.bz2 | |
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>
| -rw-r--r-- | drivers/misc/mei/init.c | 8 |
1 files changed, 5 insertions, 3 deletions
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; } |