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Diffstat (limited to 'sys/dev/usb/controller/ehci_pci.c')
-rw-r--r--sys/dev/usb/controller/ehci_pci.c13
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 d1440c1..ec6f3f7 100644
--- a/sys/dev/usb/controller/ehci_pci.c
+++ b/sys/dev/usb/controller/ehci_pci.c
@@ -439,6 +439,19 @@ ehci_pci_attach(device_t self)
break;
}
+ /* Dropped interrupts workaround */
+ switch (pci_get_vendor(self)) {
+ case PCI_EHCI_VENDORID_ATI:
+ case PCI_EHCI_VENDORID_VIA:
+ sc->sc_flags |= EHCI_SCFLG_LOSTINTRBUG;
+ if (bootverbose)
+ device_printf(self,
+ "Dropped interrupts workaround enabled\n");
+ break;
+ default:
+ break;
+ }
+
err = ehci_init(sc);
if (!err) {
err = device_probe_and_attach(sc->sc_bus.bdev);
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