Hi Steve, On Sat 24 Aug 2019 at 17:33, Steve Longerbeam wrote: > If the media device module is removed and re-probed without also removing > and re-probing the subdevice modules, .unregister() and .register() ops > are called on the subdevices without the subdevice drivers being removed > and re-probed. This creates two problems: > > - the CSI and PRPENCVF subdevices attempt to register a stale video capture > device resulting in the kobject "tried to init an initialized object" > backtrace. > > - pad graph objects are added to the media device pad list twice, resulting > in list corruption on the pad list. > > The following two patches fix those issues. > > History: > v2: > - Add missing local var ic_priv in prp_registered() in first patch. > > Steve Longerbeam (2): > media: imx: Move capture device init to registered > media: imx: Move pads init to probe > > drivers/staging/media/imx/imx-ic-prp.c | 25 ++++----- > drivers/staging/media/imx/imx-ic-prpencvf.c | 51 ++++++++++--------- > drivers/staging/media/imx/imx-media-capture.c | 15 +++--- > drivers/staging/media/imx/imx-media-csi.c | 35 +++++++------ > drivers/staging/media/imx/imx-media-vdic.c | 27 ++++------ > drivers/staging/media/imx/imx6-mipi-csi2.c | 27 +++++----- > drivers/staging/media/imx/imx7-media-csi.c | 38 +++++++------- > drivers/staging/media/imx/imx7-mipi-csis.c | 23 +++------ > For the imx7 parts: Reviewed-by: Rui Miguel Silva <rmfrfs@xxxxxxxxx> Many thanks for this. Cheers, Rui