]> git.proxmox.com Git - mirror_ubuntu-disco-kernel.git/commit
x86 quirk: Fix polarity for IRQ0 pin2 override on SB800 systems
authorAndreas Herrmann <andreas.herrmann3@amd.com>
Thu, 24 Feb 2011 14:53:46 +0000 (15:53 +0100)
committerIngo Molnar <mingo@elte.hu>
Thu, 24 Feb 2011 19:30:21 +0000 (20:30 +0100)
commit7f74f8f28a2bd9db9404f7d364e2097a0c42cc12
treea06deae1932fcbd79e76b0099d411fb2d6953e0f
parent7b62dbec908a29f448047099bedb5c64c9cb8808
x86 quirk: Fix polarity for IRQ0 pin2 override on SB800 systems

On some SB800 systems polarity for IOAPIC pin2 is wrongly
specified as low active by BIOS. This caused system hangs after
resume from S3 when HPET was used in one-shot mode on such
systems because a timer interrupt was missed (HPET signal is
high active).

For more details see:

  http://marc.info/?l=linux-kernel&m=129623757413868

Tested-by: Manoj Iyer <manoj.iyer@canonical.com>
Tested-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: stable@kernel.org # 37.x, 32.x
LKML-Reference: <20110224145346.GD3658@alberich.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/include/asm/acpi.h
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/early-quirks.c