diff options
Diffstat (limited to 'sys/dev/usb/controller/ehci_pci.c')
| -rw-r--r-- | sys/dev/usb/controller/ehci_pci.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/dev/usb/controller/ehci_pci.c b/sys/dev/usb/controller/ehci_pci.c index 17ec65a..c81122b 100644 --- a/sys/dev/usb/controller/ehci_pci.c +++ b/sys/dev/usb/controller/ehci_pci.c @@ -466,6 +466,19 @@ ehci_pci_attach(device_t self) break; } + /* Doorbell feature workaround */ + switch (pci_get_vendor(self)) { + case PCI_EHCI_VENDORID_NVIDIA: + case PCI_EHCI_VENDORID_NVIDIA2: + sc->sc_flags |= EHCI_SCFLG_IAADBUG; + if (bootverbose) + device_printf(self, + "Doorbell workaround enabled\n"); + break; + default: + break; + } + err = ehci_init(sc); if (!err) { err = device_probe_and_attach(sc->sc_bus.bdev); |
