From 77a9a768b7374cd23d1f400097eede9f1547f508 Mon Sep 17 00:00:00 2001
From: Jeremy Katz <katzj@redhat.com>
Date: Tue, 23 Sep 2008 21:54:00 -0400
Subject: [PATCH] x86: disable apm on the olpc
The OLPC doesn't support APM but also doesn't have DMI, so we can't detect
and disable it based on DMI data. So, just disable based on machine_is_olpc()
Signed-off-by: Jeremy Katz <katzj@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/apm_32.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 9ee24e6bc4b0..732d1f4e10ee 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -234,6 +234,7 @@
#include <asm/uaccess.h>
#include <asm/desc.h>
#include <asm/i8253.h>
+#include <asm/olpc.h>
#include <asm/paravirt.h>
#include <asm/reboot.h>
@@ -2217,7 +2218,7 @@ static int __init apm_init(void)
dmi_check_system(apm_dmi_table);
- if (apm_info.bios.version == 0 || paravirt_enabled()) {
+ if (apm_info.bios.version == 0 || paravirt_enabled() || machine_is_olpc()) {
printk(KERN_INFO "apm: BIOS not found.\n");
return -ENODEV;
}