linux-kernel - [PATCH] x86: hpet: Don't default CONFIG_HPET_TIMER to be y for X86

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Message-Id: <1395906309-7519-1-git-send-email-feng.tang@intel.com>
Date:	Thu, 27 Mar 2014 15:45:09 +0800
From:	Feng Tang <feng.tang@...el.com>
To:	tglx@...utronix.de, mingo@...e.hu, hpa@...or.com,
	linux-kernel@...r.kernel.org
Cc:	Feng Tang <feng.tang@...el.com>
Subject: [PATCH] x86: hpet: Don't default CONFIG_HPET_TIMER to be y for X86_64

On many new phone/tablet platforms like Baytrail/Merrifield etc,
the HPET are either defeatured or has some problem to be used
as a reliable timer. As these platforms also have X86_64, we
should not make HPET_TIMER default y for all X86_64.

Signed-off-by: Feng Tang <feng.tang@...el.com>
---
 arch/x86/Kconfig |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0af5250..269bd47 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -695,8 +695,7 @@ config X86_CYCLONE_TIMER
 source "arch/x86/Kconfig.cpu"
 
 config HPET_TIMER
-	def_bool X86_64
-	prompt "HPET Timer Support" if X86_32
+	prompt "HPET Timer Support"
 	---help---
 	  Use the IA-PC HPET (High Precision Event Timer) to manage
 	  time in preference to the PIT and RTC, if a HPET is
-- 
1.7.0.4

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