diff options
Diffstat (limited to 'drivers/usb/musb/davinci.c')
-rw-r--r-- | drivers/usb/musb/davinci.c | 47 |
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); |