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[09/14] media: mt9t112: support deferred probing

Message ID 1348754853-28619-10-git-send-email-g.liakhovetski@gmx.de (mailing list archive)
State New, archived
Headers show

Commit Message

Guennadi Liakhovetski Sept. 27, 2012, 2:07 p.m. UTC
If .probe() is called without our private data, this might mean, that the
host driver hasn't probed yet. Defer probing in this case.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
 drivers/media/i2c/soc_camera/mt9t112.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/drivers/media/i2c/soc_camera/mt9t112.c b/drivers/media/i2c/soc_camera/mt9t112.c
index dfa03f0..9e0837c 100644
--- a/drivers/media/i2c/soc_camera/mt9t112.c
+++ b/drivers/media/i2c/soc_camera/mt9t112.c
@@ -1094,7 +1094,10 @@  static int mt9t112_probe(struct i2c_client *client,
 	};
 	int ret;
 
-	if (!icl || !icl->priv) {
+	if (!icl)
+		return -EPROBE_DEFER;
+
+	if (!icl->priv) {
 		dev_err(&client->dev, "mt9t112: missing platform data!\n");
 		return -EINVAL;
 	}