prevent acpi from rerouting SCI interrupt

PATCH New Gleb Natapov 1 participant 1 message Dec 24, 2009 KVM

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Gleb Natapov

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2009-12-24 12:37 UTC #0 lore raw

PATCH 1/1 prevent acpi from rerouting SCI interrupt

SCI interrupt in piix4 chipset is hardwired to gsi 9, but we allow it to be reconfigured by acpi. Fix this by providing fixed gsi for PCI device 1 pin 0.

Signed-off-by Gleb Natapov <[email protected]>

src/acpi-dsdt.dsl +4 -1

index cee038a..2bede25 100644
@@ -58,7 +58,10 @@ DefinitionBlock (
 #define prt_slot2(nr) prt_slot(nr, LNKB, LNKC, LNKD, LNKA)
 #define prt_slot3(nr) prt_slot(nr, LNKC, LNKD, LNKA, LNKB)
                prt_slot0(0x0000),
-               prt_slot1(0x0001),
+               Package() { 0x0001ffff, 0, 0, 9 },
+               Package() { 0x0001ffff, 1, LNKB, 0 },
+               Package() { 0x0001ffff, 2, LNKC, 0 },
+               Package() { 0x0001ffff, 3, LNKD, 0 },
                prt_slot2(0x0002),
                prt_slot3(0x0003),
                prt_slot0(0x0004),

--
Gleb.