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 1/4] rcar-vin: Do not try to stop stream if not running
Date: Thu, 12 Nov 2020 23:51:44 +0100 [thread overview]
Message-ID: <20201112225147.1672622-2-niklas.soderlund+renesas@ragnatech.se> (raw)
In-Reply-To: <20201112225147.1672622-1-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 5a5f0e5007478c8d..eae25972ed7df2b6 100644
--- a/drivers/media/platform/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/rcar-vin/rcar-dma.c
@@ -1302,6 +1302,11 @@ 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. */
--
2.29.2
next prev parent reply other threads:[~2020-11-12 22:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 22:51 [PATCH 0/4] rcar-csi2: Update handling of transfer error Niklas Söderlund
2020-11-12 22:51 ` Niklas Söderlund [this message]
2020-11-16 16:28 ` [PATCH 1/4] rcar-vin: Do not try to stop stream if not running Jacopo Mondi
2021-01-15 0:15 ` Niklas Söderlund
2020-11-12 22:51 ` [PATCH 2/4] rcar-vin: Route events to correct video device Niklas Söderlund
2020-11-16 16:54 ` Jacopo Mondi
2020-11-12 22:51 ` [PATCH 3/4] rcar-vin: Stop stream when subdevice signal EOS Niklas Söderlund
2020-11-16 16:58 ` Jacopo Mondi
2021-01-15 0:17 ` Niklas Söderlund
2020-11-12 22:51 ` [PATCH 4/4] rcar-csi2: Do not try to recover after transfer error Niklas Söderlund
2020-11-16 17:09 ` Jacopo Mondi
2021-01-15 0:19 ` Niklas Söderlund
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