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authorLinus Torvalds <torvalds@linux-foundation.org>2011-02-25 14:02:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-25 14:02:33 -0800
commit958ede7f1b72b29cd0d29ec88ee2bcb4c87dab61 (patch)
tree31098a5fd8cb6b59f20d56557551881dfe8a410c /arch/x86/kernel/early-quirks.c
parentd40358509ee862d7e4049187bc05eba1911a2959 (diff)
parent7f74f8f28a2bd9db9404f7d364e2097a0c42cc12 (diff)
downloadlinux-958ede7f1b72b29cd0d29ec88ee2bcb4c87dab61.tar.bz2
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86 quirk: Fix polarity for IRQ0 pin2 override on SB800 systems x86/mrst: Fix apb timer rating when lapic timer is used x86: Fix reboot problem on VersaLogic Menlow boards
Diffstat (limited to 'arch/x86/kernel/early-quirks.c')
-rw-r--r--arch/x86/kernel/early-quirks.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 76b8cd953dee..9efbdcc56425 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -143,15 +143,10 @@ static void __init ati_bugs(int num, int slot, int func)
static u32 __init ati_sbx00_rev(int num, int slot, int func)
{
- u32 old, d;
+ u32 d;
- d = read_pci_config(num, slot, func, 0x70);
- old = d;
- d &= ~(1<<8);
- write_pci_config(num, slot, func, 0x70, d);
d = read_pci_config(num, slot, func, 0x8);
d &= 0xff;
- write_pci_config(num, slot, func, 0x70, old);
return d;
}
@@ -160,13 +155,16 @@ static void __init ati_bugs_contd(int num, int slot, int func)
{
u32 d, rev;
- if (acpi_use_timer_override)
- return;
-
rev = ati_sbx00_rev(num, slot, func);
+ if (rev >= 0x40)
+ acpi_fix_pin2_polarity = 1;
+
if (rev > 0x13)
return;
+ if (acpi_use_timer_override)
+ return;
+
/* check for IRQ0 interrupt swap */
d = read_pci_config(num, slot, func, 0x64);
if (!(d & (1<<14)))