usb: gadget: s3c2410: Move to clk_prepare_enable/clk_disable_unprepare

Use clk_prepare_enable/clk_disable_unprepare to make the driver
work properly with common clock framework.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/s3c2410_udc.c

@@ -1788,7 +1788,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 		return PTR_ERR(usb_bus_clock);
 	}
 
-	clk_enable(usb_bus_clock);
+	clk_prepare_enable(usb_bus_clock);
 
 	udc_clock = clk_get(NULL, "usb-device");
 	if (IS_ERR(udc_clock)) {
@@ -1796,7 +1796,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 		return PTR_ERR(udc_clock);
 	}
 
-	clk_enable(udc_clock);
+	clk_prepare_enable(udc_clock);
 
 	mdelay(10);
 
@@ -1952,13 +1952,13 @@ static int s3c2410_udc_remove(struct platform_device *pdev)
 	release_mem_region(rsrc_start, rsrc_len);
 
 	if (!IS_ERR(udc_clock) && udc_clock != NULL) {
-		clk_disable(udc_clock);
+		clk_disable_unprepare(udc_clock);
 		clk_put(udc_clock);
 		udc_clock = NULL;
 	}
 
 	if (!IS_ERR(usb_bus_clock) && usb_bus_clock != NULL) {
-		clk_disable(usb_bus_clock);
+		clk_disable_unprepare(usb_bus_clock);
 		clk_put(usb_bus_clock);
 		usb_bus_clock = NULL;
 	}