diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-pci.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index dabb20494826..170b9399e09f 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -200,6 +200,26 @@ static int ehci_pci_setup(struct usb_hcd *hcd) break; } + /* optional debug port, normally in the first BAR */ + temp = pci_find_capability(pdev, PCI_CAP_ID_DBG); + if (temp) { + pci_read_config_dword(pdev, temp, &temp); + temp >>= 16; + if (((temp >> 13) & 7) == 1) { + u32 hcs_params = ehci_readl(ehci, + &ehci->caps->hcs_params); + + temp &= 0x1fff; + ehci->debug = hcd->regs + temp; + temp = ehci_readl(ehci, &ehci->debug->control); + ehci_info(ehci, "debug port %d%s\n", + HCS_DEBUG_PORT(hcs_params), + (temp & DBGP_ENABLED) ? " IN USE" : ""); + if (!(temp & DBGP_ENABLED)) + ehci->debug = NULL; + } + } + retval = ehci_setup(hcd); if (retval) return retval; @@ -228,25 +248,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) break; } - /* optional debug port, normally in the first BAR */ - temp = pci_find_capability(pdev, 0x0a); - if (temp) { - pci_read_config_dword(pdev, temp, &temp); - temp >>= 16; - if ((temp & (3 << 13)) == (1 << 13)) { - temp &= 0x1fff; - ehci->debug = hcd->regs + temp; - temp = ehci_readl(ehci, &ehci->debug->control); - ehci_info(ehci, "debug port %d%s\n", - HCS_DEBUG_PORT(ehci->hcs_params), - (temp & DBGP_ENABLED) - ? " IN USE" - : ""); - if (!(temp & DBGP_ENABLED)) - ehci->debug = NULL; - } - } - /* at least the Genesys GL880S needs fixup here */ temp = HCS_N_CC(ehci->hcs_params) * HCS_N_PCC(ehci->hcs_params); temp &= 0x0f; |