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media: staging: media: imx6-mipi-csi2: use devm_mutex_init() to simplify code

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Use devm_mutex_init() to simplify the code. No functional change.

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patch.msgid.link/20260116-stage-csi2-cleanup-v2-2-a56e9cb25196@nxp.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Frank Li
2026-01-16 11:17:57 -05:00
committed by Hans Verkuil
parent 7ce92f3589
commit 2da4207d0a
1 changed files with 4 additions and 5 deletions
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9
drivers/staging/media/imx/imx6-mipi-csi2.c
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@@ -777,12 +777,14 @@ static int csi2_probe(struct platform_device *pdev)
if (!csi2->base)
return -ENOMEM;
mutex_init(&csi2->lock);
ret = devm_mutex_init(&pdev->dev, &csi2->lock);
if (ret)
return ret;
ret = clk_prepare_enable(csi2->pllref_clk);
if (ret) {
v4l2_err(&csi2->sd, "failed to enable pllref_clk\n");
goto rmmutex;
return ret;
}
ret = clk_prepare_enable(csi2->dphy_clk);
@@ -805,8 +807,6 @@ clean_notifier:
clk_disable_unprepare(csi2->dphy_clk);
pllref_off:
clk_disable_unprepare(csi2->pllref_clk);
rmmutex:
mutex_destroy(&csi2->lock);
return ret;
}
@@ -820,7 +820,6 @@ static void csi2_remove(struct platform_device *pdev)
v4l2_async_unregister_subdev(sd);
clk_disable_unprepare(csi2->dphy_clk);
clk_disable_unprepare(csi2->pllref_clk);
mutex_destroy(&csi2->lock);
media_entity_cleanup(&sd->entity);
}