From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH 1/2] [ide] mmio ide support Date: Sat, 7 Jul 2007 20:07:10 +0200 Message-ID: <200707072007.10448.arnd@arndb.de> References: <20070707094852.9473.21013.stgit@localhost.localdomain> <200707071419.52650.arnd@arndb.de> <468FC4AC.9030701@ru.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from moutng.kundenserver.de ([212.227.126.174]:52493 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752699AbXGGSO4 (ORCPT ); Sat, 7 Jul 2007 14:14:56 -0400 In-Reply-To: <468FC4AC.9030701@ru.mvista.com> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linuxppc-dev@ozlabs.org Cc: Sergei Shtylyov , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org On Saturday 07 July 2007, Sergei Shtylyov wrote: > Arnd Bergmann wrote: > > >>This adds support for MMIO IDE device like CompactFlash > >>in TrueIDE mode. > > >>Signed-off-by: Anton Vorontsov > >>Signed-off-by: Vitaly Bordug > > > Hmm, are we still adding new IDE drivers? Do you also have a > > Yes, why not? The last time someone (I think Akira Iguchi) wanted to add a new powerpc specific IDE driver, that was rejected based on the argument that drivers/ide/ is going away soon. Most current distros have already moved over to using libata exclusively. > > about to add the electra_ide.c driver in 2.6.23, I guess there > > should really be _one_ driver that is able to handle all > > of_device based ATA hosts. > > One driver to rule them all. :-) > That may be not so simple as it seems... It's certainly not easy to support all ATA chips that have special capabilities and bugs, but the electra and the mpc8349-itx both seem to support only the most basic ATA PIO mode anyway, which does not require much special handling beyond finding the right mmio addresses. Arnd <>< From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.174]) by ozlabs.org (Postfix) with ESMTP id 911B7DE1BF for ; Sun, 8 Jul 2007 04:14:54 +1000 (EST) From: Arnd Bergmann To: linuxppc-dev@ozlabs.org Subject: Re: [PATCH 1/2] [ide] mmio ide support Date: Sat, 7 Jul 2007 20:07:10 +0200 References: <20070707094852.9473.21013.stgit@localhost.localdomain> <200707071419.52650.arnd@arndb.de> <468FC4AC.9030701@ru.mvista.com> In-Reply-To: <468FC4AC.9030701@ru.mvista.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <200707072007.10448.arnd@arndb.de> Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Saturday 07 July 2007, Sergei Shtylyov wrote: > Arnd Bergmann wrote: > > >>This adds support for MMIO IDE device like CompactFlash > >>in TrueIDE mode. > > >>Signed-off-by: Anton Vorontsov > >>Signed-off-by: Vitaly Bordug > > > Hmm, are we still adding new IDE drivers? Do you also have a > > Yes, why not? The last time someone (I think Akira Iguchi) wanted to add a new powerpc specific IDE driver, that was rejected based on the argument that drivers/ide/ is going away soon. Most current distros have already moved over to using libata exclusively. > > about to add the electra_ide.c driver in 2.6.23, I guess there > > should really be _one_ driver that is able to handle all > > of_device based ATA hosts. > > One driver to rule them all. :-) > That may be not so simple as it seems... It's certainly not easy to support all ATA chips that have special capabilities and bugs, but the electra and the mpc8349-itx both seem to support only the most basic ATA PIO mode anyway, which does not require much special handling beyond finding the right mmio addresses. Arnd <><