usb: ohci-s3c2410.c: Use clk_prepare_enable/clk_disable_unprepare

This patch modifies the ohci-s3c2410 driver to prepare and unprepare
clocks in addition to enabling and disabling, since it is required
by common clock framework.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 4919afa..1adff32 100644 (file)
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -47,10 +47,10 @@ static void s3c2410_start_hc(struct platform_device *dev, struct usb_hcd *hcd)
 
        dev_dbg(&dev->dev, "s3c2410_start_hc:\n");
 
-       clk_enable(usb_clk);
+       clk_prepare_enable(usb_clk);
        mdelay(2);                      /* let the bus clock stabilise */
 
-       clk_enable(clk);
+       clk_prepare_enable(clk);
 
        if (info != NULL) {
                info->hcd       = hcd;
@@ -75,8 +75,8 @@ static void s3c2410_stop_hc(struct platform_device *dev)
                        (info->enable_oc)(info, 0);
        }
 
-       clk_disable(clk);
-       clk_disable(usb_clk);
+       clk_disable_unprepare(clk);
+       clk_disable_unprepare(usb_clk);
 }
 
 /* ohci_s3c2410_hub_status_data