6.17-stable review patch. If anyone has any objections, please let me know.
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From: Bingbu Cao bingbu.cao@intel.com
commit 895d3b4b5832edefd2f1fbad9d75c0179f47fe0e upstream.
The PM usage counter of isys was bumped up when start camera stream (opening firmware) but it was not dropped after stream stop(closing firmware), it forbids system fail to suspend due to the wrong PM state of ISYS. This patch drop the PM usage counter in firmware close to fix it.
Cc: Stable@vger.kernel.org Fixes: a516d36bdc3d ("media: staging/ipu7: add IPU7 input system device driver") Signed-off-by: Bingbu Cao bingbu.cao@intel.com Signed-off-by: Sakari Ailus sakari.ailus@linux.intel.com Signed-off-by: Hans Verkuil hverkuil+cisco@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/staging/media/ipu7/ipu7-isys-video.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/staging/media/ipu7/ipu7-isys-video.c +++ b/drivers/staging/media/ipu7/ipu7-isys-video.c @@ -946,6 +946,7 @@ void ipu7_isys_fw_close(struct ipu7_isys ipu7_fw_isys_close(isys);
mutex_unlock(&isys->mutex); + pm_runtime_put(&isys->adev->auxdev.dev); }
int ipu7_isys_setup_video(struct ipu7_isys_video *av,