diff options
| -rw-r--r-- | drivers/usb/musb/am35x.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c index 0ae01f5..355883c 100644 --- a/drivers/usb/musb/am35x.c +++ b/drivers/usb/musb/am35x.c @@ -82,6 +82,11 @@ #define USB_MENTOR_CORE_OFFSET 0x400 +struct am35x_glue { + struct device *dev; + struct platform_device *musb; +}; + static inline void phy_on(void) { unsigned long timeout = jiffies + msecs_to_jiffies(100); @@ -544,55 +549,69 @@ static int __init am35x_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; + struct am35x_glue *glue; int ret = -ENOMEM; + glue = kzalloc(sizeof(*glue), GFP_KERNEL); + if (!glue) { + dev_err(&pdev->dev, "failed to allocate glue context\n"); + goto err0; + } + musb = platform_device_alloc("musb-hdrc", -1); if (!musb) { dev_err(&pdev->dev, "failed to allocate musb device\n"); - goto err0; + goto err1; } musb->dev.parent = &pdev->dev; musb->dev.dma_mask = &am35x_dmamask; musb->dev.coherent_dma_mask = am35x_dmamask; - platform_set_drvdata(pdev, musb); + glue->dev = &pdev->dev; + glue->musb = musb; + + platform_set_drvdata(pdev, glue); ret = platform_device_add_resources(musb, pdev->resource, pdev->num_resources); if (ret) { dev_err(&pdev->dev, "failed to add resources\n"); - goto err1; + goto err2; } ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); if (ret) { dev_err(&pdev->dev, "failed to add platform_data\n"); - goto err1; + goto err2; } ret = platform_device_add(musb); if (ret) { dev_err(&pdev->dev, "failed to register musb device\n"); - goto err1; + goto err2; } return 0; -err1: +err2: platform_device_put(musb); +err1: + kfree(glue); + err0: return ret; } static int __exit am35x_remove(struct platform_device *pdev) { - struct platform_device *musb = platform_get_drvdata(pdev); + struct am35x_glue *glue = platform_get_drvdata(pdev); - platform_device_del(musb); - platform_device_put(musb); + platform_device_del(glue->musb); + platform_device_put(glue->musb); + kfree(glue); return 0; } |