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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-03-21 10:58:14 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-07-16 10:42:35 +0300
commit0edd95f25e31d51cceb17945e2ad801eb481b1a1 (patch)
treed6f71aa3135982616b8a29ceb70fd09e08626b2d /drivers/media/platform/nxp
parentca24fef0f2c857b0533f21f9a8a756f9e73d60fb (diff)
downloadlinux-0edd95f25e31d51cceb17945e2ad801eb481b1a1.tar.xz
media: imx: imx-mipi-csis: Set the subdev fwnode for endpoint matching
Endpoint matching is preferred over device matching with the async notifier framework. Set the fwnode in the v4l2_subdev for the CSIS to the endpoint connected to the next device. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/nxp')
-rw-r--r--drivers/media/platform/nxp/imx-mipi-csis.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/platform/nxp/imx-mipi-csis.c b/drivers/media/platform/nxp/imx-mipi-csis.c
index 80b1c021d14a..09a220c1bfe8 100644
--- a/drivers/media/platform/nxp/imx-mipi-csis.c
+++ b/drivers/media/platform/nxp/imx-mipi-csis.c
@@ -1378,6 +1378,13 @@ static int mipi_csis_subdev_init(struct mipi_csis_device *csis)
sd->dev = csis->dev;
+ sd->fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(csis->dev),
+ 1, 0, 0);
+ if (!sd->fwnode) {
+ dev_err(csis->dev, "Unable to retrieve endpoint for port@1\n");
+ return -ENOENT;
+ }
+
csis->csis_fmt = &mipi_csis_formats[0];
mipi_csis_init_cfg(sd, NULL);
@@ -1498,6 +1505,7 @@ cleanup:
v4l2_async_unregister_subdev(&csis->sd);
disable_clock:
mipi_csis_clk_disable(csis);
+ fwnode_handle_put(csis->sd.fwnode);
mutex_destroy(&csis->lock);
return ret;
@@ -1517,6 +1525,7 @@ static int mipi_csis_remove(struct platform_device *pdev)
mipi_csis_runtime_suspend(&pdev->dev);
mipi_csis_clk_disable(csis);
media_entity_cleanup(&csis->sd.entity);
+ fwnode_handle_put(csis->sd.fwnode);
mutex_destroy(&csis->lock);
pm_runtime_set_suspended(&pdev->dev);