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@xxxxxxxxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
---
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
