From: "Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>
To: linux-media@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org,
"Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>
Subject: [PATCH v2 1/4] rcar-vin: Do not try to stop stream if not running
Date: Fri, 15 Jan 2021 01:21:45 +0100 [thread overview]
Message-ID: <20210115002148.4079591-2-niklas.soderlund+renesas@ragnatech.se> (raw)
In-Reply-To: <20210115002148.4079591-1-niklas.soderlund+renesas@ragnatech.se>
Do not attempt to stop the streaming if the stream is not running.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
---
drivers/media/platform/rcar-vin/rcar-dma.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c
index 48280ddb15b9b0ee..f30dafbdf61ca15f 100644
--- a/drivers/media/platform/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/rcar-vin/rcar-dma.c
@@ -1301,6 +1301,11 @@ void rvin_stop_streaming(struct rvin_dev *vin)
spin_lock_irqsave(&vin->qlock, flags);
+ if (vin->state == STOPPED) {
+ spin_unlock_irqrestore(&vin->qlock, flags);
+ return;
+ }
+
vin->state = STOPPING;
/* Wait until only scratch buffer is used, max 3 interrupts. */
--
2.30.0
next prev parent reply other threads:[~2021-01-15 0:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 0:21 [PATCH v2 0/4] rcar-csi2: Update handling of transfer error Niklas Söderlund
2021-01-15 0:21 ` Niklas Söderlund [this message]
2021-01-15 11:14 ` [PATCH v2 1/4] rcar-vin: Do not try to stop stream if not running Jacopo Mondi
2021-01-15 0:21 ` [PATCH v2 2/4] rcar-vin: Route events to correct video device Niklas Söderlund
2021-01-15 0:21 ` [PATCH v2 3/4] rcar-vin: Stop stream when subdevice signal EOS Niklas Söderlund
2021-01-25 9:37 ` Hans Verkuil
2021-01-15 0:21 ` [PATCH v2 4/4] rcar-csi2: Do not try to recover after transfer error Niklas Söderlund
2021-01-15 8:58 ` Sergei Shtylyov
2021-01-15 11:17 ` Jacopo Mondi
2021-01-25 9:44 ` Hans Verkuil
2021-03-10 16:45 ` Niklas Söderlund
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