From: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
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.
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
[mszyprow: rebased onto v4.9-rc4]
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
drivers/media/platform/exynos-gsc/gsc-core.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c
index 7e99fda..1d3bde3 100644
--- a/drivers/media/platform/exynos-gsc/gsc-core.c
+++ b/drivers/media/platform/exynos-gsc/gsc-core.c
@@ -1082,12 +1082,15 @@ 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;
--
1.9.1
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