linux-kernel - Re: [PATCH] HPET: Workaround for a BIOS workaround on AMD SB700 platform

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Date:	Thu, 14 Aug 2008 11:04:40 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	crane cai <crane.cai@....com>
Cc:	vojtech@...e.cz, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] HPET: Workaround for a BIOS workaround on AMD SB700
	platform


small build fix:

>From c107f81791afa9f749cf242944c90a18faf69fda Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@...e.hu>
Date: Thu, 14 Aug 2008 11:03:24 +0200
Subject: [PATCH] x86, hpet: workaround for a BIOS workaround on AMD SB700 platform, fix

fix:

 arch/x86/kernel/early-quirks.c: In function 'amd_sb700_hpet':
 arch/x86/kernel/early-quirks.c:105: error: 'sb700_hpet_workaround' undeclared (first use in this function)
 arch/x86/kernel/early-quirks.c:105: error: (Each undeclared identifier is reported only once
 arch/x86/kernel/early-quirks.c:105: error: for each function it appears in.)

which triggers in the !HPET + !HPET_TIMER case.

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 include/asm-x86/hpet.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/asm-x86/hpet.h b/include/asm-x86/hpet.h
index 8f9a4e2..261fb68 100644
--- a/include/asm-x86/hpet.h
+++ b/include/asm-x86/hpet.h
@@ -55,8 +55,6 @@
  */
 #define HPET_MIN_PERIOD		100000UL
 
-extern int sb700_hpet_workaround;
-
 /* hpet memory map physical address */
 extern unsigned long hpet_address;
 extern unsigned long force_hpet_address;
@@ -87,6 +85,8 @@ extern void hpet_unregister_irq_handler(rtc_irq_handler handler);
 
 #else /* CONFIG_HPET_TIMER */
 
+extern int sb700_hpet_workaround;
+
 static inline int hpet_enable(void) { return 0; }
 static inline int is_hpet_enabled(void) { return 0; }
 #define hpet_readl(a) 0

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