]> err.no Git - linux-2.6/commitdiff
[PATCH] x86_64: Automatically enable apicmaintimer on ATI boards
authorAndi Kleen <ak@suse.de>
Fri, 3 Feb 2006 20:50:53 +0000 (21:50 +0100)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sun, 5 Feb 2006 00:43:13 +0000 (16:43 -0800)
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>
arch/x86_64/kernel/io_apic.c

index 1a5060b434b8a8858d2be94d3aaa2eb05c4e32fd..4282d72b2a260e28c2aa2c9c272b8b8ef8621d7b 100644 (file)
@@ -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? */