Commit 7ebcb3e8 authored Nov 09, 2016 by Ulf Hansson Committed by Mauro Carvalho Chehab Nov 16, 2016

[media] exynos-gsc: Do full clock gating at runtime PM suspend



To potentially save more power in runtime PM suspend state, let's
also prepare/unprepare the clock from the runtime PM callbacks.

[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>

parent a006c04e

drivers/media/platform/exynos-gsc/gsc-core.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1154,7 +1154,7 @@ static int gsc_runtime_resume(struct device *dev)

		pr_debug("gsc%d: state: 0x%lx", gsc->id, gsc->state);

		ret = clk_enable(gsc->clock);
		ret = clk_prepare_enable(gsc->clock);
		if (ret)
		return ret;

		@@ -1172,7 +1172,7 @@ static int gsc_runtime_suspend(struct device *dev)

		ret = gsc_m2m_suspend(gsc);
		if (!ret)
		clk_disable(gsc->clock);
		clk_disable_unprepare(gsc->clock);

		pr_debug("gsc%d: state: 0x%lx", gsc->id, gsc->state);
		return ret;

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