When checking for boot interrupts and PRT index is zero avoid doing any interrupt rerouting since the code currently does not handle determining the IRQ via _CRS method. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=43074 Signed-off-by: Stefan Assmann <sassmann@xxxxxxxxx> --- drivers/acpi/pci_irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index c576a6f..6ecbde0 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -280,7 +280,7 @@ static int bridge_has_boot_interrupt_variant(struct pci_bus *bus) static int acpi_reroute_boot_interrupt(struct pci_dev *dev, struct acpi_prt_entry *entry) { - if (noioapicquirk || noioapicreroute) { + if (noioapicquirk || noioapicreroute || entry->index == 0) { return 0; } else { switch (bridge_has_boot_interrupt_variant(dev->bus)) { -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
