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@xxxxxxxxx>
Acked-by: Julia Lawall <julia.lawall@xxxxxxx>
---
drivers/usb/musb/ux500.c | 28 ++++++++++------------------
1 file changed, 10 insertions(+), 18 deletions(-)
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index c2e45e6..10c9cb0 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;
}
--
1.9.1
--
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