From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752699AbaDXITS (ORCPT ); Thu, 24 Apr 2014 04:19:18 -0400 Received: from mga03.intel.com ([143.182.124.21]:6922 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752166AbaDXITP (ORCPT ); Thu, 24 Apr 2014 04:19:15 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,917,1389772800"; d="scan'208";a="423030745" From: Feng Tang To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , linux-kernel@vger.kernel.org Cc: Clemens Ladisch , John Stultz , Feng Tang Subject: [PATCH 1/2] x86, hpet: Make boot_hpet_disable extern Date: Thu, 24 Apr 2014 16:18:17 +0800 Message-Id: <1398327498-13163-1-git-send-email-feng.tang@intel.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org HPET on some platform has accuracy problem. Making "boot_hpet_disable" extern so that we can runtime disable the HPET timer by using quirk to check the platform. Signed-off-by: Feng Tang --- arch/x86/include/asm/hpet.h | 1 + arch/x86/kernel/hpet.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h index b18df57..36f7125 100644 --- a/arch/x86/include/asm/hpet.h +++ b/arch/x86/include/asm/hpet.h @@ -63,6 +63,7 @@ /* hpet memory map physical address */ extern unsigned long hpet_address; extern unsigned long force_hpet_address; +extern int boot_hpet_disable; extern u8 hpet_blockid; extern int hpet_force_user; extern u8 hpet_msi_disable; diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 8d80ae0..4177bfb 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -88,7 +88,7 @@ static inline void hpet_clear_mapping(void) /* * HPET command line enable / disable */ -static int boot_hpet_disable; +int boot_hpet_disable; int hpet_force_user; static int hpet_verbose; -- 1.7.9.5