| From | Kamal Mostafa <> | Subject | [PATCH 3.13.y-ckt 019/156] mei: make device disabled on stop unconditionally | Date | Tue, 7 Apr 2015 15:49:16 -0700 |
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3.13.11-ckt19 -stable review patch. If anyone has any objections, please let me know.
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From: Alexander Usyskin <alexander.usyskin@intel.com>
commit 6c15a8516b8118eb19a59fd0bd22df41b9101c32 upstream.
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.
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> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/misc/mei/init.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 53a9390..92c8b40 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -231,6 +231,8 @@ void mei_stop(struct mei_device *dev) dev->dev_state = MEI_DEV_POWER_DOWN; mei_reset(dev, 0); + /* move device to disabled state unconditionally */ + dev->dev_state = MEI_DEV_DISABLED; mutex_unlock(&dev->device_lock); -- 1.9.1
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