diff options
Diffstat (limited to 'drivers/usb/host/ohci-pci.c')
| -rw-r--r-- | drivers/usb/host/ohci-pci.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 82fbec305a6..292daf044b6 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -85,6 +85,27 @@ static int __devinit ohci_quirk_zfmicro(struct usb_hcd *hcd) return 0; } +/* Check for Toshiba SCC OHCI which has big endian registers + * and little endian in memory data structures + */ +static int __devinit ohci_quirk_toshiba_scc(struct usb_hcd *hcd) +{ + struct ohci_hcd *ohci = hcd_to_ohci (hcd); + + /* That chip is only present in the southbridge of some + * cell based platforms which are supposed to select + * CONFIG_USB_OHCI_BIG_ENDIAN_MMIO. We verify here if + * that was the case though. + */ +#ifdef CONFIG_USB_OHCI_BIG_ENDIAN_MMIO + ohci->flags |= OHCI_QUIRK_BE_MMIO; + ohci_dbg (ohci, "enabled big endian Toshiba quirk\n"); + return 0; +#else + ohci_err (ohci, "unsupported big endian Toshiba quirk\n"); + return -ENXIO; +#endif +} /* List of quirks for OHCI */ static const struct pci_device_id ohci_pci_quirks[] = { @@ -104,9 +125,14 @@ static const struct pci_device_id ohci_pci_quirks[] = { PCI_DEVICE(PCI_VENDOR_ID_COMPAQ, 0xa0f8), .driver_data = (unsigned long)ohci_quirk_zfmicro, }, + { + PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, 0x01b6), + .driver_data = (unsigned long)ohci_quirk_toshiba_scc, + }, /* FIXME for some of the early AMD 760 southbridges, OHCI * won't work at all. blacklist them. */ + {}, }; |