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authorHimangi Saraogi <himangi774@gmail.com>2014-06-21 02:10:25 +0530
committerFelipe Balbi <balbi@ti.com>2014-06-30 12:14:39 -0500
commitd7dc5bde6d7f26a19e9792b7952fd61f875373fe (patch)
tree7f1514e20f1e6092d2a4988155878e886624a881 /drivers/usb/musb/ux500.c
parentc63d2225e7be975357164871e996805003e5e735 (diff)
usb: musb: ux500: use devm_ functions
This patch introduces the use of managed interfaces for clk_get and kzalloc and removes the corresponding free function calls in the probe and remove functions. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb/ux500.c')
-rw-r--r--drivers/usb/musb/ux500.c28
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index c2e45e632723..f18c03795ed5 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -246,7 +246,7 @@ static int ux500_probe(struct platform_device *pdev)
}
}
- glue = kzalloc(sizeof(*glue), GFP_KERNEL);
+ glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
if (!glue) {
dev_err(&pdev->dev, "failed to allocate glue context\n");
goto err0;
@@ -255,20 +255,20 @@ static int ux500_probe(struct platform_device *pdev)
musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO);
if (!musb) {
dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err1;
+ goto err0;
}
- clk = clk_get(&pdev->dev, NULL);
+ clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
ret = PTR_ERR(clk);
- goto err3;
+ goto err1;
}
ret = clk_prepare_enable(clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
- goto err4;
+ goto err1;
}
musb->dev.parent = &pdev->dev;
@@ -302,34 +302,28 @@ static int ux500_probe(struct platform_device *pdev)
ARRAY_SIZE(musb_resources));
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err5;
+ goto err2;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err5;
+ goto err2;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err5;
+ goto err2;
}
return 0;
-err5:
+err2:
clk_disable_unprepare(clk);
-err4:
- clk_put(clk);
-
-err3:
- platform_device_put(musb);
-
err1:
- kfree(glue);
+ platform_device_put(musb);
err0:
return ret;
@@ -341,8 +335,6 @@ static int ux500_remove(struct platform_device *pdev)
platform_device_unregister(glue->musb);
clk_disable_unprepare(glue->clk);
- clk_put(glue->clk);
- kfree(glue);
return 0;
}