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[media] exynos-gsc: Fixup clock management at ->remove()

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To make sure the clock is fully gated in ->remove(), we first need to
to bring the device into full power by invoking pm_runtime_get_sync().

Then, let's both unprepare and disable the clock.

[mszyprow: rebased onto v4.9-rc4]

Signed-off-by: Ulf Hansson <[email protected]>
Signed-off-by: Marek Szyprowski <[email protected]>
Tested-by: Javier Martinez Canillas <[email protected]>
Signed-off-by: Sylwester Nawrocki <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Ulf Hansson authored and Mauro Carvalho Chehab committed 2016-11-16 16:32:17 -02:00
1 parent 81aa8d141f
commit a006c04e62
1 file changed
+5 -2
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drivers/media/platform/exynos-gsc/gsc-core.c
+5 -2
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@@ -1095,12 +1095,15 @@ static int gsc_remove(struct platform_device *pdev)
{
struct gsc_dev *gsc = platform_get_drvdata(pdev);
pm_runtime_get_sync(&pdev->dev);
gsc_unregister_m2m_device(gsc);
v4l2_device_unregister(&gsc->v4l2_dev);
vb2_dma_contig_clear_max_seg_size(&pdev->dev);
pm_runtime_disable(&pdev->dev);
clk_unprepare(gsc->clock);
clk_disable_unprepare(gsc->clock);
pm_runtime_put_noidle(&pdev->dev);
dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name);
return 0;