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path: root/drivers/usb/musb/davinci.c
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Diffstat (limited to 'drivers/usb/musb/davinci.c')
-rw-r--r--drivers/usb/musb/davinci.c47
1 files changed, 12 insertions, 35 deletions
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 606bfd00cde6..e040d9103735 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -380,11 +380,14 @@ static int davinci_musb_init(struct musb *musb)
{
void __iomem *tibase = musb->ctrl_base;
u32 revision;
+ int ret = -ENODEV;
usb_nop_xceiv_register();
musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(musb->xceiv))
+ if (IS_ERR_OR_NULL(musb->xceiv)) {
+ ret = -EPROBE_DEFER;
goto unregister;
+ }
musb->mregs += DAVINCI_BASE_OFFSET;
@@ -438,7 +441,7 @@ fail:
usb_put_phy(musb->xceiv);
unregister:
usb_nop_xceiv_unregister();
- return -ENODEV;
+ return ret;
}
static int davinci_musb_exit(struct musb *musb)
@@ -504,7 +507,7 @@ static const struct musb_platform_ops davinci_ops = {
static u64 davinci_dmamask = DMA_BIT_MASK(32);
-static int __devinit davinci_probe(struct platform_device *pdev)
+static int davinci_probe(struct platform_device *pdev)
{
struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
struct platform_device *musb;
@@ -512,7 +515,6 @@ static int __devinit davinci_probe(struct platform_device *pdev)
struct clk *clk;
int ret = -ENOMEM;
- int musbid;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -520,18 +522,10 @@ static int __devinit davinci_probe(struct platform_device *pdev)
goto err0;
}
- /* get the musb id */
- musbid = musb_get_id(&pdev->dev, GFP_KERNEL);
- if (musbid < 0) {
- dev_err(&pdev->dev, "failed to allocate musb id\n");
- ret = -ENOMEM;
- goto err1;
- }
-
- musb = platform_device_alloc("musb-hdrc", musbid);
+ musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO);
if (!musb) {
dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err2;
+ goto err1;
}
clk = clk_get(&pdev->dev, "usb");
@@ -547,7 +541,6 @@ static int __devinit davinci_probe(struct platform_device *pdev)
goto err4;
}
- musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &davinci_dmamask;
musb->dev.coherent_dma_mask = davinci_dmamask;
@@ -590,9 +583,6 @@ err4:
err3:
platform_device_put(musb);
-err2:
- musb_put_id(&pdev->dev, musbid);
-
err1:
kfree(glue);
@@ -600,13 +590,11 @@ err0:
return ret;
}
-static int __devexit davinci_remove(struct platform_device *pdev)
+static int davinci_remove(struct platform_device *pdev)
{
struct davinci_glue *glue = platform_get_drvdata(pdev);
- musb_put_id(&pdev->dev, glue->musb->id);
- platform_device_del(glue->musb);
- platform_device_put(glue->musb);
+ platform_device_unregister(glue->musb);
clk_disable(glue->clk);
clk_put(glue->clk);
kfree(glue);
@@ -616,7 +604,7 @@ static int __devexit davinci_remove(struct platform_device *pdev)
static struct platform_driver davinci_driver = {
.probe = davinci_probe,
- .remove = __devexit_p(davinci_remove),
+ .remove = davinci_remove,
.driver = {
.name = "musb-davinci",
},
@@ -625,15 +613,4 @@ static struct platform_driver davinci_driver = {
MODULE_DESCRIPTION("DaVinci MUSB Glue Layer");
MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
MODULE_LICENSE("GPL v2");
-
-static int __init davinci_init(void)
-{
- return platform_driver_register(&davinci_driver);
-}
-module_init(davinci_init);
-
-static void __exit davinci_exit(void)
-{
- platform_driver_unregister(&davinci_driver);
-}
-module_exit(davinci_exit);
+module_platform_driver(davinci_driver);