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authorSteve Longerbeam <slongerbeam@gmail.com>2018-09-29 15:54:14 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-10-04 15:37:40 -0400
commit1488c3cf4f3ceaad1bad63898b4b4186f912f216 (patch)
treeed447766435f8be30edefa85a11dc11223afbc39 /drivers/staging/media/imx/imx-media-dev.c
parent21711787045d8d39c01c6bb072c03ef02a10d3a4 (diff)
media: staging/imx: Loop through all registered subdevs for media links
The root imx-media notifier no longer sees all bound subdevices because some of them will be bound to subdev notifiers. So imx_media_create_links() now needs to loop through all subdevices registered with the v4l2-device, not just the ones in the root notifier's done list. This should be safe because imx_media_create_of_links() checks if a fwnode link already exists before creating. Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/staging/media/imx/imx-media-dev.c')
-rw-r--r--drivers/staging/media/imx/imx-media-dev.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/staging/media/imx/imx-media-dev.c b/drivers/staging/media/imx/imx-media-dev.c
index 1931d1b038dc..718954f969bd 100644
--- a/drivers/staging/media/imx/imx-media-dev.c
+++ b/drivers/staging/media/imx/imx-media-dev.c
@@ -175,7 +175,7 @@ out:
}
/*
- * create the media links for all subdevs that registered async.
+ * Create the media links for all subdevs that registered.
* Called after all async subdevs have bound.
*/
static int imx_media_create_links(struct v4l2_async_notifier *notifier)
@@ -184,14 +184,7 @@ static int imx_media_create_links(struct v4l2_async_notifier *notifier)
struct v4l2_subdev *sd;
int ret;
- /*
- * Only links are created between subdevices that are known
- * to the async notifier. If there are other non-async subdevices,
- * they were created internally by some subdevice (smiapp is one
- * example). In those cases it is expected the subdevice is
- * responsible for creating those internal links.
- */
- list_for_each_entry(sd, &notifier->done, async_list) {
+ list_for_each_entry(sd, &imxmd->v4l2_dev.subdevs, list) {
switch (sd->grp_id) {
case IMX_MEDIA_GRP_ID_VDIC:
case IMX_MEDIA_GRP_ID_IC_PRP:
@@ -211,7 +204,10 @@ static int imx_media_create_links(struct v4l2_async_notifier *notifier)
imx_media_create_csi_of_links(imxmd, sd);
break;
default:
- /* this is an external fwnode subdev */
+ /*
+ * if this subdev has fwnode links, create media
+ * links for them.
+ */
imx_media_create_of_links(imxmd, sd);
break;
}