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authorKoji Matsuoka <koji.matsuoka.xm@renesas.com>2015-03-29 10:04:56 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-27 15:41:22 -0300
commit5a9b06a27db6b006605421658418fb8943a6e217 (patch)
tree3db9f6a36e293581a32707925e6a82cf0849bfc5 /drivers/media
parent2a700d8edffdbfb8200332d96c3147e042b337f1 (diff)
downloadlwn-5a9b06a27db6b006605421658418fb8943a6e217.tar.gz
lwn-5a9b06a27db6b006605421658418fb8943a6e217.zip
[media] media: soc_camera: rcar_vin: Fix wait_for_completion
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 <koji.matsuoka.xm@renesas.com> Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/soc_camera/rcar_vin.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index 9351f64dee7b..6460f8e1b07f 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
@@ -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);
}
}