1 files changed, 7 insertions, 0 deletions

diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index f1b9d2a46dab..087ecc67e9b3 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -15,6 +15,13 @@ static int __init check_bridge(int vendor, int device)
         if (vendor == PCI_VENDOR_ID_NVIDIA) {
                 acpi_skip_timer_override = 1;
         }
+        /*
+         * ATI IXP chipsets get double timer interrupts.
+         * For now just do this for all ATI chipsets.
+         * FIXME: this needs to be checked for the non ACPI case too.
+         */
+        if (vendor == PCI_VENDOR_ID_ATI)
+                disable_timer_pin_1 = 1;
         return 0;
 }