From: Dinghao Liu <dinghao.liu@zju.edu.cn>
To: dinghao.liu@zju.edu.cn, kjlu@umn.edu
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] [v2] media: coda: Fix runtime PM imbalance in coda_probe
Date: Mon, 25 May 2020 21:02:06 +0800 [thread overview]
Message-ID: <20200525130206.4145-1-dinghao.liu@zju.edu.cn> (raw)
When coda_firmware_request() returns an error code,
a pairing runtime PM usage counter decrement is needed
to keep the counter balanced.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
---
Changelog:
v2: - Remove changes to coda_remove(), which is incorrect.
---
drivers/media/platform/coda/coda-common.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index d0d093dd8f7c..6e246c7a56c3 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -3119,6 +3119,8 @@ static int coda_probe(struct platform_device *pdev)
return 0;
err_alloc_workqueue:
+ pm_runtime_disable(&pdev->dev);
+ pm_runtime_put_noidle(&pdev->dev);
destroy_workqueue(dev->workqueue);
err_v4l2_register:
v4l2_device_unregister(&dev->v4l2_dev);
--
2.17.1
reply other threads:[~2020-05-25 13:02 UTC|newest]
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