[PATCH] spi: pl022: Add clk_{un}prepare() support in runtime PM
From: viresh.kumar@linaro.org (viresh kumar)
Date: 2012-09-17 10:50:52
Also in:
linux-spi, lkml
On Mon, Sep 17, 2012 at 4:07 PM, Vipul Kumar Samar [off-list ref] wrote:
clk_{un}prepare is mandatory for platforms using common clock framework. Add
clk_{un}prepare() support for spi-pl022 runtime PM.You are not calling these routines in actualy patch.. Fix commit log and add my Reviewed-by.
quoted hunk ↗ jump to hunk
Signed-off-by: Vipul Kumar Samar <redacted> --- drivers/spi/spi-pl022.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-)diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index f2a80ff..500e75e 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c@@ -2334,7 +2334,7 @@ static int pl022_runtime_suspend(struct device *dev) { struct pl022 *pl022 = dev_get_drvdata(dev); - clk_disable(pl022->clk); + clk_disable_unprepare(pl022->clk); return 0; }@@ -2342,10 +2342,13 @@ static int pl022_runtime_suspend(struct device *dev) static int pl022_runtime_resume(struct device *dev) { struct pl022 *pl022 = dev_get_drvdata(dev); + int ret = 0; - clk_enable(pl022->clk); + ret = clk_prepare_enable(pl022->clk); + if (ret) + dev_err(dev, "could not enable SSP/SPI bus clock\n"); - return 0; + return ret; } #endif --1.7.2.2 ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ spi-devel-general mailing list spi-devel-general at lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general