From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752634AbcBJXFJ (ORCPT ); Wed, 10 Feb 2016 18:05:09 -0500 Received: from mx1.redhat.com ([209.132.183.28]:37101 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751157AbcBJXFH (ORCPT ); Wed, 10 Feb 2016 18:05:07 -0500 Date: Thu, 11 Feb 2016 01:05:01 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Thomas Gleixner , Clemens Ladisch , Jonathan Corbet , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Arnd Bergmann , Greg Kroah-Hartman , linux-doc@vger.kernel.org Subject: [PATCH v2] hpet: drop stale link Message-ID: <1455145462-3877-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Mutt-Fcc: =sent Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Looks like the HPET spec at intel.com got moved. It isn't hard to find so drop the link, just mention the revision assumed. Suggested-by: Thomas Gleixner Signed-off-by: Michael S. Tsirkin --- Changes from v1: actually drop the links, just say "revision 1" in case a new one ever comes out. drivers/char/hpet.c | 2 +- Documentation/timers/hpet.txt | 4 +--- arch/x86/Kconfig | 4 ++-- 3 files changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 240b6cf..be54e53 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -42,7 +42,7 @@ /* * The High Precision Event Timer driver. * This driver is closely modelled after the rtc.c driver. - * http://www.intel.com/hardwaredesign/hpetspec_1.pdf + * See HPET spec revision 1. */ #define HPET_USER_FREQ (64) #define HPET_DRIFT (500) diff --git a/Documentation/timers/hpet.txt b/Documentation/timers/hpet.txt index 767392f..a484d2c 100644 --- a/Documentation/timers/hpet.txt +++ b/Documentation/timers/hpet.txt @@ -1,9 +1,7 @@ High Precision Event Timer Driver for Linux The High Precision Event Timer (HPET) hardware follows a specification -by Intel and Microsoft which can be found at - - http://www.intel.com/hardwaredesign/hpetspec_1.pdf +by Intel and Microsoft, revision 1. Each HPET has one fixed-rate counter (at 10+ MHz, hence "High Precision") and up to 32 comparators. Normally three or more comparators are provided, diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9af2e63..ae79bab 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -777,8 +777,8 @@ config HPET_TIMER HPET is the next generation timer replacing legacy 8254s. The HPET provides a stable time base on SMP systems, unlike the TSC, but it is more expensive to access, - as it is off-chip. You can find the HPET spec at - . + as it is off-chip. The interface used is documented + in the HPET spec, revision 1. You can safely choose Y here. However, HPET will only be activated if the platform and the BIOS support this feature. -- MST