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>

diff --git a/drivers/usb/otg/mv_otg.c b/drivers/usb/otg/mv_otg.c
index 1dd57504186db5225b28b353527001b4e1914b2e..eace975991a873a938983da7c3dbb5abc2ce2df5 100644 (file)
--- 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)