From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755186Ab2L2BDD (ORCPT ); Fri, 28 Dec 2012 20:03:03 -0500 Received: from smtp.nue.novell.com ([195.135.221.5]:48858 "EHLO smtp.nue.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755112Ab2L2BDB (ORCPT ); Fri, 28 Dec 2012 20:03:01 -0500 Subject: Re: [PATCH 1/3] rtc-efi: register rtc-efi device when EFI enabled From: joeyli To: Matthew Garrett Cc: "matt.fleming@intel.com" , "linux-kernel@vger.kernel.org" , "linux-efi@vger.kernel.org" , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Jan Beulich In-Reply-To: References: <1356712001-12198-1-git-send-email-jlee@suse.com> Content-Type: text/plain; charset="UTF-8" Date: Sat, 29 Dec 2012 09:00:03 +0800 Message-ID: <1356742803.6113.245.camel@linux-s257.site> Mime-Version: 1.0 X-Mailer: Evolution 2.28.2 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 於 五，2012-12-28 於 17:43 +0000，Matthew Garrett 提到： > On Sat, 2012-12-29 at 00:26 +0800, Lee, Chun-Yi wrote: > > UEFI time services, GetTime(), SetTime(), GetWakeupTime(), SetWakeupTime() are also > > supported by other non-IA64 architecutre with UEFI BIOS, e.g. x86. > > > > This patch changed RTC_DRV_EFI configuration to depend on EFI but not just IA64. It > > checks efi_enabled flag and efi-rtc driver should enabled. > > In theory, certainly - but do we still have machines that explode if the > get_time call is made? We may also want to think about disabling the > legacy access to the RTC if the EFI calls are present. The legacy get_time access on my test machine is work fine, not thing explode. :-) Just we have a function want to expose the timezone information to userspace and also store it. Thanks a lot! Joey Lee