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From: tip-bot for Feng Tang <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
	torvalds@linux-foundation.org, john.stultz@linaro.org,
	tglx@linutronix.de, feng.tang@intel.com, clemens@ladisch.de
Subject: [tip:x86/urgent] x86/hpet: Make boot_hpet_disable extern
Date: Thu, 8 May 2014 03:45:46 -0700	[thread overview]
Message-ID: <tip-f10f383d8414bfe3357e24432ed8a26eeb58ffb8@git.kernel.org> (raw)
In-Reply-To: <1398327498-13163-1-git-send-email-feng.tang@intel.com>

Commit-ID:  f10f383d8414bfe3357e24432ed8a26eeb58ffb8
Gitweb:     http://git.kernel.org/tip/f10f383d8414bfe3357e24432ed8a26eeb58ffb8
Author:     Feng Tang <feng.tang@intel.com>
AuthorDate: Thu, 24 Apr 2014 16:18:17 +0800
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 8 May 2014 08:15:34 +0200

x86/hpet: Make boot_hpet_disable extern

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 <feng.tang@intel.com>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1398327498-13163-1-git-send-email-feng.tang@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 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;
 

      parent reply	other threads:[~2014-05-08 10:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-24  8:18 [PATCH 1/2] x86, hpet: " Feng Tang
2014-04-24  8:18 ` [PATCH 2/2] x86: Add quirk to disable HPET for baytrail platform Feng Tang
2014-05-08 10:45   ` [tip:x86/urgent] x86/intel: Add quirk to disable HPET for the Baytrail platform tip-bot for Feng Tang
2014-05-08  6:28 ` [PATCH 1/2] x86, hpet: Make boot_hpet_disable extern Feng Tang
2014-05-08  6:32   ` Ingo Molnar
2014-05-08 10:45 ` tip-bot for Feng Tang [this message]

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