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[media] exynos-gsc: Fixup clock management at ->remove()
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 <ulf.hansson@linaro.org> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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1 changed files with 5 additions and 2 deletions
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@ -1095,12 +1095,15 @@ static int gsc_remove(struct platform_device *pdev)
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{
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struct gsc_dev *gsc = platform_get_drvdata(pdev);
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pm_runtime_get_sync(&pdev->dev);
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gsc_unregister_m2m_device(gsc);
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v4l2_device_unregister(&gsc->v4l2_dev);
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vb2_dma_contig_clear_max_seg_size(&pdev->dev);
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pm_runtime_disable(&pdev->dev);
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clk_unprepare(gsc->clock);
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clk_disable_unprepare(gsc->clock);
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pm_runtime_put_noidle(&pdev->dev);
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dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name);
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return 0;
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