usb: fsl_mxc_udc.c : Use clk_prepare_enable/clk_disable_unprepare

Prepare the clock before enabling it.

Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c
index dcbc0a2e48dd..f4b5109feb3d 100644
--- a/drivers/usb/gadget/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/fsl_mxc_udc.c
@@ -40,7 +40,7 @@ int fsl_udc_clk_init(struct platform_device *pdev)
                 if (IS_ERR(mxc_ahb_clk))
                         return PTR_ERR(mxc_ahb_clk);
 
-                ret = clk_enable(mxc_ahb_clk);
+                ret = clk_prepare_enable(mxc_ahb_clk);
                 if (ret < 0) {
                         dev_err(&pdev->dev, "clk_enable(\"usb_ahb\") failed\n");
                         goto eenahb;
@@ -65,7 +65,7 @@ int fsl_udc_clk_init(struct platform_device *pdev)
                 }
         }
 
-        ret = clk_enable(mxc_usb_clk);
+        ret = clk_prepare_enable(mxc_usb_clk);
         if (ret < 0) {
                 dev_err(&pdev->dev, "clk_enable(\"usb_clk\") failed\n");
                 goto eenusb;
@@ -79,7 +79,7 @@ eclkrate:
         mxc_usb_clk = NULL;
 egusb:
         if (!cpu_is_mx35())
-                clk_disable(mxc_ahb_clk);
+                clk_disable_unprepare(mxc_ahb_clk);
 eenahb:
         if (!cpu_is_mx35())
                 clk_put(mxc_ahb_clk);
@@ -104,7 +104,7 @@ void fsl_udc_clk_finalize(struct platform_device *pdev)
 
         /* ULPI transceivers don't need usbpll */
         if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {
-                clk_disable(mxc_usb_clk);
+                clk_disable_unprepare(mxc_usb_clk);
                 clk_put(mxc_usb_clk);
                 mxc_usb_clk = NULL;
         }
@@ -113,11 +113,11 @@ void fsl_udc_clk_finalize(struct platform_device *pdev)
 void fsl_udc_clk_release(void)
 {
         if (mxc_usb_clk) {
-                clk_disable(mxc_usb_clk);
+                clk_disable_unprepare(mxc_usb_clk);
                 clk_put(mxc_usb_clk);
         }
         if (!cpu_is_mx35()) {
-                clk_disable(mxc_ahb_clk);
+                clk_disable_unprepare(mxc_ahb_clk);
                 clk_put(mxc_ahb_clk);
         }
 }