Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758818Ab2EONIa (ORCPT ); Tue, 15 May 2012 09:08:30 -0400 Received: from nat28.tlf.novell.com ([130.57.49.28]:54786 "EHLO nat28.tlf.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758090Ab2EONI1 convert rfc822-to-8bit (ORCPT ); Tue, 15 May 2012 09:08:27 -0400 Message-Id: <4FB271860200007800083D21@nat28.tlf.novell.com> X-Mailer: Novell GroupWise Internet Agent 12.0.0 Date: Tue, 15 May 2012 14:08:54 +0100 From: "Jan Beulich" To: "Matthew Garrett" Cc: , , , , , Subject: Re: [PATCH, resend] x86: enable rtc-efi References: <4FB263560200007800083CB0@nat28.tlf.novell.com> <20120515123811.GA25248@srcf.ucam.org> In-Reply-To: <20120515123811.GA25248@srcf.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 950 Lines: 22 >>> On 15.05.12 at 14:38, Matthew Garrett wrote: > On Tue, May 15, 2012 at 01:08:22PM +0100, Jan Beulich wrote: >> Besides a Kconfig change this just requires creating a corresponding >> platform device. > > I don't think this is a good idea yet - we completely fail to perform > timezone handling with the EFI clock, which violates platform > expectations. We should fix that up first. So how is this driver okay on ia64 then? It's my understanding that either it's entirely broken, or should be used universally. That's the more that accessing the RTC directly isn't really being permitted by the EFI spec (i.e. using this driver really is a requirement, not an option). Jan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/