drivers/usb/host/ehci-s5p.c: use devm_ functions

The various devm_ functions allocate memory that is released when a driver
detaches.  This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
index 9d8f1dd57cb3..d055503e4183 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-s5p.c
@@ -128,7 +128,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev)
         }
 
         s5p_ehci->hcd = hcd;
-        s5p_ehci->clk = clk_get(&pdev->dev, "usbhost");
+        s5p_ehci->clk = devm_clk_get(&pdev->dev, "usbhost");
 
         if (IS_ERR(s5p_ehci->clk)) {
                 dev_err(&pdev->dev, "Failed to get usbhost clock\n");
@@ -138,7 +138,7 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev)
 
         err = clk_enable(s5p_ehci->clk);
         if (err)
-                goto fail_clken;
+                goto fail_clk;
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!res) {
@@ -184,8 +184,6 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev)
 
 fail_io:
         clk_disable(s5p_ehci->clk);
-fail_clken:
-        clk_put(s5p_ehci->clk);
 fail_clk:
         usb_put_hcd(hcd);
         return err;
@@ -203,7 +201,6 @@ static int __devexit s5p_ehci_remove(struct platform_device *pdev)
                 pdata->phy_exit(pdev, S5P_USB_PHY_HOST);
 
         clk_disable(s5p_ehci->clk);
-        clk_put(s5p_ehci->clk);
 
         usb_put_hcd(hcd);