From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH 1/2] [IDE] Platform IDE driver (was: MMIO IDE driver) Date: Wed, 25 Jul 2007 23:48:11 +0400 Message-ID: <46A7A8FB.5090909@ru.mvista.com> References: <20070725165318.5331.23795.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from gateway-1237.mvista.com ([63.81.120.155]:26086 "EHLO imap.sh.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1761697AbXGYTqL (ORCPT ); Wed, 25 Jul 2007 15:46:11 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Guennadi Liakhovetski Cc: Vitaly Bordug , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org Guennadi Liakhovetski wrote: >>This is now very similar to pata_platform.c, they both use >>same platform data structure and same resources. >>To achieve that, byte_lanes_swapping platform data variable >>and platform specified iops removed from that driver. It's fine, >>since those were never used anyway. >>pata_platform and ide_platform are carrying same driver names, >>to easily switch between these drivers, without need to touch >>platform code. > Why? There's a drivers/ide/arm/ide_arm.c IDe driver that some platforms > (not in the mainline) hack to access, e.g., CF cards in true-IDE mode. > About a month ago I submitted a patch to arm-linux-kernel switching that Wrong list to submit sych stuff, post to linux-ide. > driver to using platform-device. I got a reply, that it's not worth it now > that IDE is slowly becoming obsolete, and the pata_platform serves the > perpose perfectly well. I found this argument reasonable, I had the same Ignore such replies in the future. ;-) > doubt, just wanted to double-check. So, why do we now need a new legacy > (a/drivers/ide/legacy/ide_platform.c) driver when a "modern" driver > exists? Good question (I know the answer but won't tell ;-). > Thanks > Guennadi MBR, Sergei