mei: make device disabled on stop unconditionally

Set the internal device state to to disabled after hardware reset in stop flow.
This will cover cases when driver was not brought to disabled state because of
an error and in stop flow we wish not to retry the reset.

Cc: <stable@vger.kernel.org> #3.10+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 9306219d5675442b186b0ab6381fdd246ad09e60..6ad049a08e4d9d27880e62b69a8d249207fa5a13 100644 (file)
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -341,6 +341,8 @@ void mei_stop(struct mei_device *dev)
 
        dev->dev_state = MEI_DEV_POWER_DOWN;
        mei_reset(dev);
+       /* move device to disabled state unconditionally */
+       dev->dev_state = MEI_DEV_DISABLED;
 
        mutex_unlock(&dev->device_lock);