media: staging/imx: remove devname string from imx_media_subdev

A separate string for the device name, for DEVNAME async match, was
never needed. Just assign the asd device name to the passed platform
device name pointer in imx_media_add_async_subdev().
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/staging/media/imx/imx-media-dev.c

@@ -112,8 +112,7 @@ imx_media_add_async_subdev(struct imx_media_dev *imxmd,
 		asd->match.fwnode.fwnode = of_fwnode_handle(np);
 	} else {
 		asd->match_type = V4L2_ASYNC_MATCH_DEVNAME;
-		strncpy(imxsd->devname, devname, sizeof(imxsd->devname));
-		asd->match.device_name.name = imxsd->devname;
+		asd->match.device_name.name = devname;
 		imxsd->pdev = pdev;
 	}
 

drivers/staging/media/imx/imx-media.h

@@ -128,8 +128,6 @@ struct imx_media_subdev {
 
 	/* the platform device if this is an IPU-internal subdev */
 	struct platform_device *pdev;
-	/* the devname is needed for async devname match */
-	char devname[32];
 };
 
 struct imx_media_dev {