From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762698AbYB0Xtz (ORCPT ); Wed, 27 Feb 2008 18:49:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755648AbYB0Xts (ORCPT ); Wed, 27 Feb 2008 18:49:48 -0500 Received: from smtp1.linux-foundation.org ([207.189.120.13]:55487 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755337AbYB0Xtr (ORCPT ); Wed, 27 Feb 2008 18:49:47 -0500 Date: Wed, 27 Feb 2008 15:48:54 -0800 From: Andrew Morton To: David Brownell Cc: linux-kernel@vger.kernel.org, cbouatmailru@gmail.com, avorontsov@ru.mvista.com, florian.fainelli@telecomint.eu Subject: Re: [patch 2.6.25-rc2-git] gpio: and "no GPIO support here" stubs Message-Id: <20080227154854.6ee9432c.akpm@linux-foundation.org> In-Reply-To: <200802221712.17815.david-b@pacbell.net> References: <200802221712.17815.david-b@pacbell.net> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 22 Feb 2008 17:12:17 -0800 David Brownell wrote: > Add a defining fail/warn stubs for GPIO calls on platforms > that don't support the GPIO programming interface. That includes the > arch-specific implementation glue otherwise. > > This facilitates a new model for GPIO usage: drivers that can use GPIOs > if they're available, but don't require them. One example of such a > driver is NAND driver for various FreeScale chips. On platforms update > with GPIO support, they can be used instead of a worst-case delay to > verify that the BUSY signal is off. > > (Also includes a couple minor unrelated doc updates.) > Looks sane. > Please include before 2.6.25-final ... For what reason?