Messages in this thread Patch in this message | | | From | Tomi Valkeinen <> | Date | Wed, 22 Nov 2023 17:21:34 +0200 | Subject | [PATCH v2 1/2] media: imx-mipi-csis: Fix clock handling in remove() |
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The driver always calls mipi_csis_runtime_suspend() and mipi_csis_clk_disable() in remove(). This causes multiple WARNs from the kernel, as the clocks get disabled too many times.
Fix the remove() to call mipi_csis_runtime_suspend() and mipi_csis_clk_disable() in a way that reverses what is done in probe().
Fixes: 7807063b862b ("media: staging/imx7: add MIPI CSI-2 receiver subdev for i.MX7") Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> --- drivers/media/platform/nxp/imx-mipi-csis.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/nxp/imx-mipi-csis.c b/drivers/media/platform/nxp/imx-mipi-csis.c index 6cb20b45e0a1..b39d7aeba750 100644 --- a/drivers/media/platform/nxp/imx-mipi-csis.c +++ b/drivers/media/platform/nxp/imx-mipi-csis.c @@ -1502,8 +1502,10 @@ static void mipi_csis_remove(struct platform_device *pdev) v4l2_async_nf_cleanup(&csis->notifier); v4l2_async_unregister_subdev(&csis->sd); + if (!pm_runtime_enabled(&pdev->dev)) + mipi_csis_runtime_suspend(&pdev->dev); + pm_runtime_disable(&pdev->dev); - mipi_csis_runtime_suspend(&pdev->dev); mipi_csis_clk_disable(csis); v4l2_subdev_cleanup(&csis->sd); media_entity_cleanup(&csis->sd.entity); -- 2.34.1
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