From: Laurent Pinchart laurent.pinchart@ideasonboard.com
[ Upstream commit 5be7f8c91d25089be847a71b336c13b5bb0db772 ]
When multiple CSIS instances are present in a single graph, they are currently all named "imx7-mipi-csis.0", which breaks the entity name uniqueness requirement. Fix it by using the device name to create the subdev name.
Fixes: 7807063b862b ("media: staging/imx7: add MIPI CSI-2 receiver subdev for i.MX7") Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Reviewed-by: Rui Miguel Silva rmfrfs@gmail.com Reviewed-by: Sakari Ailus sakari.ailus@linux.intel.com Reviewed-by: Jerome Brunet jbrunet@baylibre.com Tested-by: Jerome Brunet jbrunet@baylibre.com # On i.MX8MP Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/media/imx/imx7-mipi-csis.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c index 2b73fa55c938..9ea723bb5f20 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -32,7 +32,6 @@ #include <media/v4l2-subdev.h>
#define CSIS_DRIVER_NAME "imx7-mipi-csis" -#define CSIS_SUBDEV_NAME CSIS_DRIVER_NAME
#define CSIS_PAD_SINK 0 #define CSIS_PAD_SOURCE 1 @@ -311,7 +310,6 @@ struct csi_state { struct reset_control *mrst; struct regulator *mipi_phy_regulator; const struct mipi_csis_info *info; - u8 index;
struct v4l2_subdev sd; struct media_pad pads[CSIS_PADS_NUM]; @@ -1303,8 +1301,8 @@ static int mipi_csis_subdev_init(struct csi_state *state)
v4l2_subdev_init(sd, &mipi_csis_subdev_ops); sd->owner = THIS_MODULE; - snprintf(sd->name, sizeof(sd->name), "%s.%d", - CSIS_SUBDEV_NAME, state->index); + snprintf(sd->name, sizeof(sd->name), "csis-%s", + dev_name(state->dev));
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; sd->ctrl_handler = NULL;