usb: musb: da8xx: Use devm in probe

Simplify things a bit by using devm functions where possible.

Signed-off-by: David Lechner <david@lechnology.com>
[b-liu@ti.com: fixed merge conflict]
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 3c4dd16..35d2449 100644 (file)
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -490,18 +490,16 @@ static int da8xx_probe(struct platform_device *pdev)
        struct da8xx_glue               *glue;
        struct platform_device_info     pinfo;
        struct clk                      *clk;
+       int                             ret;
 
-       int                             ret = -ENOMEM;
-
-       glue = kzalloc(sizeof(*glue), GFP_KERNEL);
+       glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
        if (!glue)
-               goto err0;
+               return -ENOMEM;
 
-       clk = clk_get(&pdev->dev, "usb20");
+       clk = devm_clk_get(&pdev->dev, "usb20");
        if (IS_ERR(clk)) {
                dev_err(&pdev->dev, "failed to get clock\n");
-               ret = PTR_ERR(clk);
-               goto err3;
+               return PTR_ERR(clk);
        }
 
        ret = clk_enable(clk);
@@ -558,12 +556,7 @@ err5:
        clk_disable(clk);
 
 err4:
-       clk_put(clk);
-
-err3:
-       kfree(glue);
 
-err0:
        return ret;
 }
 
@@ -574,8 +567,6 @@ static int da8xx_remove(struct platform_device *pdev)
        platform_device_unregister(glue->musb);
        usb_phy_generic_unregister(glue->phy);
        clk_disable(glue->clk);
-       clk_put(glue->clk);
-       kfree(glue);
 
        return 0;
 }