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usb: musb: omap: use devres API to allocate resources 

used devres API while allocating memory resource and while getting
usb phy so that these resources are released automatically on driver
detach.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Kishon Vijay Abraham I 2012-06-22 17:40:54 +05:30 committed by Felipe Balbi
parent c83a8542b5
commit b1183c242a
1 changed files with 7 additions and 12 deletions
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19
drivers/usb/musb/omap2430.c
View File

@ -319,7 +319,7 @@ static int omap2430_musb_init(struct musb *musb)
* up through ULPI. TWL4030-family PMICs include one,
* which needs a driver, drivers aren't always needed.
*/
musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
musb->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
if (!musb->xceiv) {
pr_err("HS USB OTG: no transceiver configured\n");
return -ENODEV;
@ -416,7 +416,6 @@ static int omap2430_musb_exit(struct musb *musb)
del_timer_sync(&musb_idle_timer);
omap2430_low_level_exit(musb);
usb_put_phy(musb->xceiv);
return 0;
}
@ -443,7 +442,7 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
struct omap2430_glue *glue;
int ret = -ENOMEM;
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;
@ -452,7 +451,7 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
musb = platform_device_alloc("musb-hdrc", -1);
if (!musb) {
dev_err(&pdev->dev, "failed to allocate musb device\n");
goto err1;
goto err0;
}
musb->dev.parent = &pdev->dev;
@ -479,13 +478,13 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
goto err2;
goto err1;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
goto err2;
goto err1;
}
pm_runtime_enable(&pdev->dev);
@ -493,16 +492,13 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
goto err2;
goto err1;
}
return 0;
err2:
platform_device_put(musb);
err1:
kfree(glue);
platform_device_put(musb);
err0:
return ret;
@ -515,7 +511,6 @@ static int __devexit omap2430_remove(struct platform_device *pdev)
cancel_work_sync(&glue->omap_musb_mailbox_work);
platform_device_del(glue->musb);
platform_device_put(glue->musb);
kfree(glue);
return 0;
}