diff options
| -rw-r--r-- | sys/dev/acpica/acpi_pci_link.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sys/dev/acpica/acpi_pci_link.c b/sys/dev/acpica/acpi_pci_link.c index 4c3c306..775d0ca 100644 --- a/sys/dev/acpica/acpi_pci_link.c +++ b/sys/dev/acpica/acpi_pci_link.c @@ -916,10 +916,25 @@ acpi_pci_link_route_irqs(device_t dev) static int acpi_pci_link_resume(device_t dev) { + struct acpi_pci_link_softc *sc; ACPI_STATUS status; + int i, routed; + /* + * If all of our links are routed, then restore the link via _SRS, + * otherwise, disable the link via _DIS. + */ ACPI_SERIAL_BEGIN(pci_link); - status = acpi_pci_link_route_irqs(dev); + sc = device_get_softc(dev); + routed = 0; + for (i = 0; i < sc->pl_num_links; i++) + if (sc->pl_links[i].l_routed) + routed++; + if (routed == sc->pl_num_links) + status = acpi_pci_link_route_irqs(dev); + else + status = AcpiEvaluateObject(acpi_get_handle(dev), "_DIS", NULL, + NULL); ACPI_SERIAL_END(pci_link); if (ACPI_FAILURE(status)) return (ENXIO); |
