From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752867Ab3AUGiv (ORCPT ); Mon, 21 Jan 2013 01:38:51 -0500 Received: from mga03.intel.com ([143.182.124.21]:39002 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751792Ab3AUGiu (ORCPT ); Mon, 21 Jan 2013 01:38:50 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,504,1355126400"; d="scan'208";a="193316319" From: Feng Tang To: Thomas Gleixner , John Stultz , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Len Brown , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org Cc: Feng Tang Subject: [RFC PATCH 2/5] clocksource: Add new feature flag CLOCK_SOURCE_SUSPEND_NOTSTOP Date: Mon, 21 Jan 2013 14:38:42 +0800 Message-Id: <1358750325-21217-3-git-send-email-feng.tang@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1358750325-21217-1-git-send-email-feng.tang@intel.com> References: <1358750325-21217-1-git-send-email-feng.tang@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some x86 processors have a TSC clocksource, which continue to work when system is suspend. Add a feature flag so that it could be utilized. Signed-off-by: Feng Tang --- include/linux/clocksource.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 4dceaf8..2d53a8a 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -206,6 +206,7 @@ struct clocksource { #define CLOCK_SOURCE_WATCHDOG 0x10 #define CLOCK_SOURCE_VALID_FOR_HRES 0x20 #define CLOCK_SOURCE_UNSTABLE 0x40 +#define CLOCK_SOURCE_SUSPEND_NOTSTOP 0x80 /* simplify initialization of mask field */ #define CLOCKSOURCE_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1) -- 1.7.9.5