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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>
This commit is contained in:
Laurent Pinchart 2023-01-27 02:21:57 +01:00 committed by Mauro Carvalho Chehab
parent db56a4fb69
commit 8ccfc15380
1 changed files with 0 additions and 8 deletions
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8
drivers/media/platform/nxp/imx7-media-csi.c
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@ -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.