lkml.org 
[lkml]   [2008]   [Oct]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC

* Andreas Herrmann <andreas.herrmann3@amd.com> wrote:

> So, let's work around BIOS bugs in Linux then ...
>
> Following patch is almost untested -- especially I didn't get my hands
> on one of the HP Laptops with broken DSDT.
[...]
> On some HP nx6... laptops (e.g. nx6325) BIOS reports an IRQ0 override
> but the SB450 chipset is configured such that timer interrupts goe to
> INT0 of IOAPIC.
>
> Check IRQ0 routing and if it is routed to INT0 of IOAPIC skip the
> timer override.
>
> Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
>
> ---
> arch/x86/kernel/early-quirks.c | 48 ++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 48 insertions(+), 0 deletions(-)

very nice, thanks Andreas! Applied to tip/x86/quirks. This PCI ID based
quirk should be more complete than DMI matches.

Ingo


\
 
 \ /
  Last update: 2008-10-07 05:45    [from the cache]
©2003-2011 Jasper Spaans