ARM: 7916/1: amba: Add clk_prepare|unprepare in runtime PM callbacks
To fully gate the clock and thus potentially also save more power in
runtime suspend state, extend clock handling with clk_prepare|unprepare
in the runtime PM callbacks.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index ea1d835..9e60291 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -95,7 +95,7 @@
int ret = pm_generic_runtime_suspend(dev);
if (ret == 0 && dev->driver)
- clk_disable(pcdev->pclk);
+ clk_disable_unprepare(pcdev->pclk);
return ret;
}
@@ -106,7 +106,7 @@
int ret;
if (dev->driver) {
- ret = clk_enable(pcdev->pclk);
+ ret = clk_prepare_enable(pcdev->pclk);
/* Failure is probably fatal to the system, but... */
if (ret)
return ret;