diff options
Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
| -rw-r--r-- | drivers/usb/host/ehci-pci.c | 26 |
1 files changed, 7 insertions, 19 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 6bd299e61f5..3e86bf4371b 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -58,8 +58,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); struct pci_dev *pdev = to_pci_dev(hcd->self.controller); - struct pci_dev *p_smbus; - u8 rev; u32 temp; int retval; @@ -175,22 +173,12 @@ static int ehci_pci_setup(struct usb_hcd *hcd) /* SB600 and old version of SB700 have a bug in EHCI controller, * which causes usb devices lose response in some cases. */ - if ((pdev->device == 0x4386) || (pdev->device == 0x4396)) { - p_smbus = pci_get_device(PCI_VENDOR_ID_ATI, - PCI_DEVICE_ID_ATI_SBX00_SMBUS, - NULL); - if (!p_smbus) - break; - rev = p_smbus->revision; - if ((pdev->device == 0x4386) || (rev == 0x3a) - || (rev == 0x3b)) { - u8 tmp; - ehci_info(ehci, "applying AMD SB600/SB700 USB " - "freeze workaround\n"); - pci_read_config_byte(pdev, 0x53, &tmp); - pci_write_config_byte(pdev, 0x53, tmp | (1<<3)); - } - pci_dev_put(p_smbus); + if ((pdev->device == 0x4386 || pdev->device == 0x4396) && + usb_amd_hang_symptom_quirk()) { + u8 tmp; + ehci_info(ehci, "applying AMD SB600/SB700 USB freeze workaround\n"); + pci_read_config_byte(pdev, 0x53, &tmp); + pci_write_config_byte(pdev, 0x53, tmp | (1<<3)); } break; case PCI_VENDOR_ID_NETMOS: @@ -361,7 +349,7 @@ static struct pci_driver ehci_pci_driver = { .remove = usb_hcd_pci_remove, .shutdown = usb_hcd_pci_shutdown, -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM .driver = { .pm = &usb_hcd_pci_pm_ops }, |