Index: linux-2.6.23.17/drivers/usb/host/ohci-ssb.c =================================================================== --- linux-2.6.23.17.orig/drivers/usb/host/ohci-ssb.c +++ linux-2.6.23.17/drivers/usb/host/ohci-ssb.c @@ -195,6 +195,11 @@ static int ssb_ohci_attach(struct ssb_de else ssb_device_enable(dev, 0); + /* + * Set dma mask - 32 bit mask is just an assumption + */ + if (ssb_dma_set_mask(dev, DMA_32BIT_MASK)) + return -EOPNOTSUPP; hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev, dev->dev->bus_id);