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[media] media: soc_camera: rcar_vin: Fix wait_for_completion

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When stopping abnormally, a driver can't return from wait_for_completion.
This patch resolved this problem by changing wait_for_completion_timeout
from wait_for_completion.

Signed-off-by: Koji Matsuoka <[email protected]>
Signed-off-by: Yoshihiro Kaneko <[email protected]>
Signed-off-by: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Koji Matsuoka 2015-03-29 10:04:56 -03:00 • committed by Mauro Carvalho Chehab
commit 5a9b06a27d
1 changed files with 6 additions and 1 deletions
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7
drivers/media/platform/soc_camera/rcar_vin.c
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@ -135,6 +135,8 @@
#define VIN_MAX_WIDTH 2048
#define VIN_MAX_HEIGHT 2048
#define TIMEOUT_MS 100
enum chip_id {
RCAR_GEN2,
RCAR_H1,
@ -820,7 +822,10 @@ static void rcar_vin_wait_stop_streaming(struct rcar_vin_priv *priv)
if (priv->state == STOPPING) {
priv->request_to_stop = true;
spin_unlock_irq(&priv->lock);
wait_for_completion(&priv->capture_stop);
if (!wait_for_completion_timeout(
&priv->capture_stop,
msecs_to_jiffies(TIMEOUT_MS)))
priv->state = STOPPED;
spin_lock_irq(&priv->lock);
}
}