media: imx: imx7-media-csi: Drop unneeded src_sd check

The .s_stream() and .link_validate() operations can't be called with a
NULL src_sd, as subdev nodes are not registered before the async
notifier completes. Remove the unneeded checks.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Adam Ford <aford173@gmail.com> #imx8mm-beacon-kit
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c
index 45b29d31227632fd86305451e0371c44b94b914b..62232cd6775f6aa350ba62870793125b3f53cf88 100644 (file)
--- a/drivers/media/platform/nxp/imx7-media-csi.c
+++ b/drivers/media/platform/nxp/imx7-media-csi.c
@@ -1731,11 +1731,6 @@ static int imx7_csi_s_stream(struct v4l2_subdev *sd, int enable)
 
        mutex_lock(&csi->lock);
 
-       if (!csi->src_sd) {
-               ret = -EPIPE;
-               goto out_unlock;
-       }
-
        if (enable) {
                ret = imx7_csi_init(csi);
                if (ret < 0)
@@ -2026,9 +2021,6 @@ static int imx7_csi_pad_link_validate(struct v4l2_subdev *sd,
        unsigned int i;
        int ret;
 
-       if (!csi->src_sd)
-               return -EPIPE;
-
        /*
         * Validate the source link, and record whether the source uses the
         * parallel input or the CSI-2 receiver.