diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2016-11-09 17:23:55 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-11-16 21:33:09 +0300 |
| commit | 7ebcb3e842bd933fa6792414a3b369a661d99665 (patch) | |
| tree | 18ca81a286711033448ba88c00abb88d54204a2d /drivers/media/platform/exynos-gsc | |
| parent | a006c04e6218bb82c11888d9b99ef642bd64cf93 (diff) | |
| download | linux-7ebcb3e842bd933fa6792414a3b369a661d99665.tar.xz | |
[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>
Diffstat (limited to 'drivers/media/platform/exynos-gsc')
| -rw-r--r-- | drivers/media/platform/exynos-gsc/gsc-core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index e62765328848..3ac588f5c558 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -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; |