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authorAndi Kleen <ak@suse.de>2006-02-03 21:50:53 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-04 16:43:13 -0800
commit6f3814cd2fb5ea4d53a7fa5b0635d68fa4036c1b (patch)
tree8a0ad07a141e00243f3a65f2a026c8c6f0ce8c11
parent73dea47faeb96d54a984b9d7f4de564816966354 (diff)
[PATCH] x86_64: Automatically enable apicmaintimer on ATI boards
They all have problems with IRQ 0 routing, so just use the APIC on them. Can be overwritten with "noapicmaintimer" Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/x86_64/kernel/io_apic.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 1a5060b434b..4282d72b2a2 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -304,6 +304,14 @@ void __init check_ioapic(void)
#endif
/* RED-PEN skip them on mptables too? */
return;
+ case PCI_VENDOR_ID_ATI:
+ if (apic_runs_main_timer != 0)
+ break;
+ printk(KERN_INFO
+ "ATI board detected. Using APIC/PM timer.\n");
+ apic_runs_main_timer = 1;
+ nohpet = 1;
+ return;
}
/* No multi-function device? */