diff options
Diffstat (limited to 'drivers/usb/host/ohci-platform.c')
-rw-r--r-- | drivers/usb/host/ohci-platform.c | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 670c705..e24ec9f 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -83,10 +83,14 @@ static int __devinit ohci_platform_probe(struct platform_device *dev) { struct usb_hcd *hcd; struct resource *res_mem; + struct usb_ohci_pdata *pdata = dev->dev.platform_data; int irq; int err = -ENOMEM; - BUG_ON(!dev->dev.platform_data); + if (!pdata) { + WARN_ON(1); + return -ENODEV; + } if (usb_disabled()) return -ENODEV; @@ -103,10 +107,18 @@ static int __devinit ohci_platform_probe(struct platform_device *dev) return -ENXIO; } + if (pdata->power_on) { + err = pdata->power_on(dev); + if (err < 0) + return err; + } + hcd = usb_create_hcd(&ohci_platform_hc_driver, &dev->dev, dev_name(&dev->dev)); - if (!hcd) - return -ENOMEM; + if (!hcd) { + err = -ENOMEM; + goto err_power; + } hcd->rsrc_start = res_mem->start; hcd->rsrc_len = resource_size(res_mem); @@ -118,8 +130,10 @@ static int __devinit ohci_platform_probe(struct platform_device *dev) } hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) + if (!hcd->regs) { + err = -ENOMEM; goto err_release_region; + } err = usb_add_hcd(hcd, irq, IRQF_SHARED); if (err) goto err_iounmap; @@ -134,12 +148,17 @@ err_release_region: release_mem_region(hcd->rsrc_start, hcd->rsrc_len); err_put_hcd: usb_put_hcd(hcd); +err_power: + if (pdata->power_off) + pdata->power_off(dev); + return err; } static int __devexit ohci_platform_remove(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); + struct usb_ohci_pdata *pdata = dev->dev.platform_data; usb_remove_hcd(hcd); iounmap(hcd->regs); @@ -147,6 +166,9 @@ static int __devexit ohci_platform_remove(struct platform_device *dev) usb_put_hcd(hcd); platform_set_drvdata(dev, NULL); + if (pdata->power_off) + pdata->power_off(dev); + return 0; } @@ -154,12 +176,28 @@ static int __devexit ohci_platform_remove(struct platform_device *dev) static int ohci_platform_suspend(struct device *dev) { + struct usb_ohci_pdata *pdata = dev->platform_data; + struct platform_device *pdev = + container_of(dev, struct platform_device, dev); + + if (pdata->power_suspend) + pdata->power_suspend(pdev); + return 0; } static int ohci_platform_resume(struct device *dev) { struct usb_hcd *hcd = dev_get_drvdata(dev); + struct usb_ohci_pdata *pdata = dev->platform_data; + struct platform_device *pdev = + container_of(dev, struct platform_device, dev); + + if (pdata->power_on) { + int err = pdata->power_on(pdev); + if (err < 0) + return err; + } ohci_finish_controller_resume(hcd); return 0; |