ACPI: fix Thinkpad 600/600E/600X interrupts

The root cause of this bug shows that this machine
could not possibly run an ACPI-aware OS without a
model specific workaround.

http://bugzilla.kernel.org/show_bug.cgi?id=5966

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index e5eb97a910ed8d82f74fc67802e04321eacdc82c..9ea5b8ecc7e1d61918da7043a15b55400c121735 100644 (file)
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -1072,7 +1072,28 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
                               "ASUS A7V ACPI BIOS Revision 1007"),
                     },
         },
-
+       {
+               /*
+                * Latest BIOS for IBM 600E (1.16) has bad pcinum
+                * for LPC bridge, which is needed for the PCI
+                * interrupt links to work. DSDT fix is in bug 5966.
+                * 2645, 2646 model numbers are shared with 600/600E/600X
+                */
+        .callback = disable_acpi_irq,
+        .ident = "IBM Thinkpad 600 Series 2645",
+        .matches = {
+                    DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
+                    DMI_MATCH(DMI_BOARD_NAME, "2645"),
+                    },
+        },
+       {
+        .callback = disable_acpi_irq,
+        .ident = "IBM Thinkpad 600 Series 2646",
+        .matches = {
+                    DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
+                    DMI_MATCH(DMI_BOARD_NAME, "2646"),
+                    },
+        },
        /*
         * Boxes that need ACPI PCI IRQ routing and PCI scan disabled
         */