usb: otg: mv_otg: fix the clk APIs

the clock common driver changes, and arch-mmp will make use of
the common clock driver instead of its own.
So for enable clock.
first prepare the clock
then enable the clock.

for disable clock
first disable the clock
then unprepare the clock

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/usb/otg/mv_otg.c b/drivers/usb/otg/mv_otg.c
index 1dd57504186..eace975991a 100644
--- a/drivers/usb/otg/mv_otg.c
+++ b/drivers/usb/otg/mv_otg.c
@@ -240,7 +240,7 @@ static void otg_clock_enable(struct mv_otg *mvotg)
         unsigned int i;
 
         for (i = 0; i < mvotg->clknum; i++)
-                clk_enable(mvotg->clk[i]);
+                clk_prepare_enable(mvotg->clk[i]);
 }
 
 static void otg_clock_disable(struct mv_otg *mvotg)
@@ -248,7 +248,7 @@ static void otg_clock_disable(struct mv_otg *mvotg)
         unsigned int i;
 
         for (i = 0; i < mvotg->clknum; i++)
-                clk_disable(mvotg->clk[i]);
+                clk_disable_unprepare(mvotg->clk[i]);
 }
 
 static int mv_otg_enable_internal(struct mv_otg *mvotg)