On IBM Bartolo machines, cards in 00:09.0 are defunct (if use interrupts). DSDT says that this slot (with function 0, i.e. pin A) is routed to \_SB_.PCI0.PIB_.LNKB. But it's not, it's wired to LNKC, so interrupts are misrouted. Add a quirk for this to workaround the issue. This error was reported in suse bugzilla at: https://bugzilla.novell.com/show_bug.cgi?id=595683 Signed-off-by: Jiri Slaby <jslaby@xxxxxxx> Cc: Len Brown <lenb@xxxxxxxxxx> Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> --- drivers/acpi/pci_irq.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index e4804fb..8e054a4 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -125,6 +125,18 @@ static const struct dmi_system_id hp_t5710[] = { { } }; +/* https://bugzilla.novell.com/show_bug.cgi?id=595683 */ +static const struct dmi_system_id ibm_bartolo[] = { + { + .ident = "IBM Bartolo", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "IBM CORPORATION"), + DMI_MATCH(DMI_PRODUCT_NAME, "4810320"), + }, + }, + { } +}; + struct prt_quirk { const struct dmi_system_id *system; unsigned int segment; @@ -152,6 +164,9 @@ static const struct prt_quirk prt_quirks[] = { { hp_t5710, 0, 0, 1, PCI_INTX_PIN('A'), "\\_SB_.PCI0.LNK1", "\\_SB_.PCI0.LNK3"}, + { ibm_bartolo, 0, 0, 9, PCI_INTX_PIN('A'), + "\\_SB_.PCI0.PIB_.LNKB", + "\\_SB_.PCI0.PIB_.LNKC"}, }; static void do_prt_fixups(struct acpi_prt_entry *entry, -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
