diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ohci-at91.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 418444ebb1b8..8c356af79409 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -136,23 +136,27 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, struct ohci_hcd *ohci; int retval; struct usb_hcd *hcd = NULL; - - if (pdev->num_resources != 2) { - pr_debug("hcd probe: invalid num_resources"); - return -ENODEV; + struct device *dev = &pdev->dev; + struct resource *res; + int irq; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_dbg(dev, "hcd probe: missing memory resource\n"); + return -ENXIO; } - if ((pdev->resource[0].flags != IORESOURCE_MEM) - || (pdev->resource[1].flags != IORESOURCE_IRQ)) { - pr_debug("hcd probe: invalid resource type\n"); - return -ENODEV; + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_dbg(dev, "hcd probe: missing irq resource\n"); + return irq; } hcd = usb_create_hcd(driver, &pdev->dev, "at91"); if (!hcd) return -ENOMEM; - hcd->rsrc_start = pdev->resource[0].start; - hcd->rsrc_len = resource_size(&pdev->resource[0]); + hcd->rsrc_start = res->start; + hcd->rsrc_len = resource_size(res); if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { pr_debug("request_mem_region failed\n"); @@ -199,7 +203,7 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, ohci->num_ports = board->ports; at91_start_hc(pdev); - retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_SHARED); + retval = usb_add_hcd(hcd, irq, IRQF_SHARED); if (retval == 0) return retval; |