linux-kernel - [PATCH] Disable apm on the olpc

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Message-Id: <1222221240-6028-1-git-send-email-katzj@redhat.com>
Date:	Tue, 23 Sep 2008 21:54:00 -0400
From:	Jeremy Katz <katzj@...hat.com>
To:	mingo@...hat.com
Cc:	dsaxena@...top.org, linux-kernel@...r.kernel.org,
	dilinger@...top.org, Jeremy Katz <katzj@...hat.com>
Subject: [PATCH] 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@...hat.com>
---
 arch/x86/kernel/apm_32.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 9ee24e6..732d1f4 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;
 	}
-- 
1.6.0.1

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