From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Whitcroft Subject: Re: [PATCH] zs: Move to the serial subsystem Date: Wed, 30 May 2007 10:54:59 +0100 Message-ID: <465D49F3.7010005@shadowen.org> References: <20070530011224.bf36d2df.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hellhawk.shadowen.org ([80.68.90.175]:3513 "EHLO hellhawk.shadowen.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751104AbXE3Jyz (ORCPT ); Wed, 30 May 2007 05:54:55 -0400 In-Reply-To: <20070530011224.bf36d2df.akpm@linux-foundation.org> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Andrew Morton Cc: "Maciej W. Rozycki" , linux-mips@linux-mips.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Andrew Morton wrote: > On Tue, 29 May 2007 14:03:54 +0100 (BST) "Maciej W. Rozycki" wrote: > Hey, you have volatiles and checkpatch.pl didn't complain. Andy, a > reference to Documentation/volatile-considered-harmful.txt would suit. > > (That's > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc2/2.6.22-rc2-mm1/broken-out/volatile-considered-harmful-take-3.patch) Added ... Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt PATCH: XXX.eml:374: FILE: linux-2.6.22-rc2/drivers/serial/zs.c:131: + volatile void __iomem *control = zport->port.membase + [...] I will batch up any changes to checkpatch.pl and send you them as a blob when they get "interesting" if that suits. -apw