Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754633AbZINAVA (ORCPT ); Sun, 13 Sep 2009 20:21:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754493AbZINAU5 (ORCPT ); Sun, 13 Sep 2009 20:20:57 -0400 Received: from mail2.shareable.org ([80.68.89.115]:54327 "EHLO mail2.shareable.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754291AbZINAU5 (ORCPT ); Sun, 13 Sep 2009 20:20:57 -0400 Date: Mon, 14 Sep 2009 01:21:00 +0100 From: Jamie Lokier To: Russell King - ARM Linux Cc: Marek Vasut , Felipe Contreras , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] arm: remove unused code in delay.S Message-ID: <20090914002100.GD30621@shareable.org> References: <1252875960-21512-1-git-send-email-felipe.contreras@gmail.com> <200909132328.47079.marek.vasut@gmail.com> <20090913230008.GC30169@n2100.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090913230008.GC30169@n2100.arm.linux.org.uk> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 615 Lines: 20 Russell King - ARM Linux wrote: > On Sun, Sep 13, 2009 at 11:28:47PM +0200, Marek Vasut wrote: > > > bhi __delay > > > mov pc, lr > > > ENDPROC(__udelay) > > > > > Hi > > > > why was this code there in the first place ? > > To make the delay loop more stable and predictable on older CPUs. So why has it been commented out, if it's needed for that? -- Jamie -- 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/