Video capture subdevs may be over I2C and may sleep during xfer, so we cannot do IRQ-disabled locking when calling the subdev. Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxxxx> --- drivers/media/platform/davinci/vpif_capture.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index 5104cc0ee40e..9f8f41c0f251 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -193,7 +193,10 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) } } + spin_unlock_irqrestore(&common->irqlock, flags); ret = v4l2_subdev_call(ch->sd, video, s_stream, 1); + spin_lock_irqsave(&common->irqlock, flags); + if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) { vpif_dbg(1, debug, "stream on failed in subdev\n"); goto err; -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html