Messages in this thread Patch in this message | | | From | Ulf Hansson <> | Subject | [PATCH 08/17] spi: pl022: Fully gate clocks at request inactivity | Date | Tue, 4 Feb 2014 16:58:49 +0100 |
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Use clk_disable_unprepare and clk_prepare_enable from the runtime PM callbacks, to fully gate|ungate clocks. Potentially this will save more power, depending on the clock tree for the current SOC.
Cc: Mark Brown <broonie@kernel.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> --- drivers/spi/spi-pl022.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index db829a1..2bb238f 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2355,7 +2355,7 @@ static int pl022_runtime_suspend(struct device *dev) { struct pl022 *pl022 = dev_get_drvdata(dev); - clk_disable(pl022->clk); + clk_disable_unprepare(pl022->clk); pinctrl_pm_select_idle_state(dev); return 0; @@ -2366,7 +2366,7 @@ static int pl022_runtime_resume(struct device *dev) struct pl022 *pl022 = dev_get_drvdata(dev); pinctrl_pm_select_default_state(dev); - clk_enable(pl022->clk); + clk_prepare_enable(pl022->clk); return 0; } -- 1.7.9.5
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