[PATCH] sunxi-csi: fill in bus_info of media device

[Hans Verkuil <hverkuil@xxxxxxxxx>]

This fixes a v4l2-compliance warning:

Required ioctls:
                warn: v4l2-test-media.cpp(52): empty bus_info
        test MEDIA_IOC_DEVICE_INFO: OK

Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
---
 drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c | 2 ++
 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c
index eff34ded6305..5319eb1ab309 100644
--- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c
+++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c
@@ -191,6 +191,8 @@ static int sun4i_csi_probe(struct platform_device *pdev)
 	strscpy(csi->mdev.model, "Allwinner Video Capture Device",
 		sizeof(csi->mdev.model));
 	csi->mdev.hw_revision = 0;
+	snprintf(csi->mdev.bus_info, sizeof(csi->mdev.bus_info), "platform:%s",
+		 dev_name(csi->dev));
 	media_device_init(&csi->mdev);
 	csi->v4l.mdev = &csi->mdev;

diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
index 055eb0b8e396..28e89340fed9 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
@@ -733,6 +733,8 @@ static int sun6i_csi_v4l2_init(struct sun6i_csi *csi)
 	strscpy(csi->media_dev.model, "Allwinner Video Capture Device",
 		sizeof(csi->media_dev.model));
 	csi->media_dev.hw_revision = 0;
+	snprintf(csi->media_dev.bus_info, sizeof(csi->media_dev.bus_info),
+		 "platform:%s", dev_name(csi->dev));

 	media_device_init(&csi->media_dev);
 	v4l2_async_notifier_init(&csi->notifier);
-- 
2.27.0