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 <khil...@baylibre.com>
---
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 87ee1e2c3864..94ee6cf03f02 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
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