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-rw-r--r--arch/x86_64/kernel/early-quirks.c9
-rw-r--r--arch/x86_64/kernel/io_apic.c2
-rw-r--r--include/asm-x86_64/proto.h2
3 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c
index 208e38a372c..2b1245d8625 100644
--- a/arch/x86_64/kernel/early-quirks.c
+++ b/arch/x86_64/kernel/early-quirks.c
@@ -61,10 +61,11 @@ static void nvidia_bugs(void)
static void ati_bugs(void)
{
-#if 1 /* for testing */
- printk("ATI board detected\n");
-#endif
- /* No bugs right now */
+ if (timer_over_8254 == 1) {
+ timer_over_8254 = 0;
+ printk(KERN_INFO
+ "ATI board detected. Disabling timer routing over 8254.\n");
+ }
}
struct chipset {
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 8a9a357875b..b000017e4b5 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -57,7 +57,7 @@ static int no_timer_check;
static int disable_timer_pin_1 __initdata;
-int timer_over_8254 __initdata = 0;
+int timer_over_8254 __initdata = 1;
/* Where if anywhere is the i8259 connect in external int mode */
static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h
index c181fef786e..e72cfcdf534 100644
--- a/include/asm-x86_64/proto.h
+++ b/include/asm-x86_64/proto.h
@@ -122,6 +122,8 @@ extern int fix_aperture;
extern int reboot_force;
extern int notsc_setup(char *);
+extern int timer_over_8254;
+
extern int gsi_irq_sharing(int gsi);
extern void smp_local_timer_interrupt(void);