Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756271AbZCEW2T (ORCPT ); Thu, 5 Mar 2009 17:28:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753077AbZCEW2H (ORCPT ); Thu, 5 Mar 2009 17:28:07 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:49960 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752252AbZCEW2F (ORCPT ); Thu, 5 Mar 2009 17:28:05 -0500 Date: Thu, 5 Mar 2009 14:27:46 -0800 From: Andrew Morton To: unsik Kim Cc: linux-kernel@vger.kernel.org, hch@infradead.org, alan@lxorguk.ukuu.org.uk, shdl@zakalwe.fi, harvey.harrison@gmail.com, minchan.kim@gmail.com Subject: Re: [PATCH] mflash: Initial support Message-Id: <20090305142746.a2c6f415.akpm@linux-foundation.org> In-Reply-To: <57afda040903050124h30bff6fflb9d8dedde966d18c@mail.gmail.com> References: <1235554274-794-1-git-send-email-donari75@gmail.com> <20090226133509.27b58014.akpm@linux-foundation.org> <57afda040903050124h30bff6fflb9d8dedde966d18c@mail.gmail.com> 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 Content-Length: 1258 Lines: 27 On Thu, 5 Mar 2009 18:24:47 +0900 unsik Kim wrote: > 1. ATA layer deals standard ATA protocol. ATA layer have many low- > level device specific interface, but data transfer keeps ATA rule. But, > mflash IO mode doesn't. > > 2. Even though currently not used in mflash driver code, mflash has > some custom command and modes. (nand fusing, firmware patch, > etc) If this feature supported in linux kernel, ATA layer more altered. > > 3. Currently PATA platform device driver doesn't support interrupt. > (I'm not sure) But, mflash uses interrupt (polling mode is just for debug). > > 4. mflash is somewhat under-develop product. Even though some > company already using mflash their own product, I think more time is > needed for standardization of custom command and mode. That time > (maybe October) I will talk to with ATA people. If they accept integration, > I will integrate. Thsi is fairly important information. Please include it in the changelog for the patch, and maintain it. -- 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/