[PATCH 7/9] ARM: pm-imx5: convert to clk_prepare/clk_unprepare
Richard Zhao
richard.zhao at linaro.org
Wed Nov 9 23:54:12 EST 2011
Signed-off-by: Richard Zhao <richard.zhao at linaro.org>
---
arch/arm/mach-mx5/pm-imx5.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c
index 98052fc..9e8cfe5 100644
--- a/arch/arm/mach-mx5/pm-imx5.c
+++ b/arch/arm/mach-mx5/pm-imx5.c
@@ -22,7 +22,13 @@ static struct clk *gpc_dvfs_clk;
static int mx5_suspend_prepare(void)
{
- return clk_enable(gpc_dvfs_clk);
+ int ret;
+ ret = clk_prepare(gpc_dvfs_clk);
+ if (!ret)
+ ret = clk_enable(gpc_dvfs_clk);
+ if (ret)
+ clk_unprepare(gpc_dvfs_clk);
+ return ret;
}
static int mx5_suspend_enter(suspend_state_t state)
@@ -53,6 +59,7 @@ static int mx5_suspend_enter(suspend_state_t state)
static void mx5_suspend_finish(void)
{
clk_disable(gpc_dvfs_clk);
+ clk_unprepare(gpc_dvfs_clk);
}
static int mx5_pm_valid(suspend_state_t state)
--
1.7.5.4
More information about the linux-arm-kernel
mailing list