Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262637AbUKQWPU (ORCPT ); Wed, 17 Nov 2004 17:15:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262673AbUKQWNB (ORCPT ); Wed, 17 Nov 2004 17:13:01 -0500 Received: from smtp207.mail.sc5.yahoo.com ([216.136.129.97]:9656 "HELO smtp207.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S262635AbUKQWJx (ORCPT ); Wed, 17 Nov 2004 17:09:53 -0500 From: Srihari Vijayaraghavan To: Jens Axboe Subject: Re: [BUG] Kernel disables DMA on RICOH CD-R/RW Date: Thu, 18 Nov 2004 09:16:27 +1100 User-Agent: KMail/1.6.2 Cc: Alan Cox , Bartlomiej Zolnierkiewicz , Linux Kernel Mailing List , linux-ide@vger.kernel.org References: <20041116124656.82075.qmail@web52601.mail.yahoo.com> <1100706838.420.47.camel@localhost.localdomain> <20041117210657.GP26240@suse.de> In-Reply-To: <20041117210657.GP26240@suse.de> MIME-Version: 1.0 Content-Disposition: inline Content-Type: Multipart/Mixed; boundary="Boundary-00=_728mB3xH79CP/sM" Message-Id: <200411180916.27342.sriharivijayaraghavan@yahoo.com.au> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1921 Lines: 57 --Boundary-00=_728mB3xH79CP/sM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline On Thu, 18 Nov 2004 08:06 am, Jens Axboe wrote: > On Wed, Nov 17 2004, Alan Cox wrote: > > On Maw, 2004-11-16 at 13:01, Bartlomiej Zolnierkiewicz wrote: > > > Previously VIA IDE driver ignored DMA blacklists completely > > > (which was of course wrong), it was fixed. > > > > > > Probably this drive should be removed from the blacklist. > > > Does anybody remember why was it added there? > > > > As I said before almost all of our blacklist is junk from when the IDE > > ATAPI DMA bug wasn't fixed. > > I sure don't remember why, so sounds plausible. Could you please accept this patch? (against vanilla 2.6.10-rc2) I have tested my RICOH CD-R/RW with this patch (on CD Reading/Writing), and it works just fine with DMA enabled. (Unfortunately I do not have any other drive in the DMA disabled list, and hence I could not test for them.) Thank you. Hari. --Boundary-00=_728mB3xH79CP/sM Content-Type: text/x-diff; charset="iso-8859-1"; name="patch-ide-dma-for-ricoh" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="patch-ide-dma-for-ricoh" --- 2.6.10-rc2/drivers/ide/ide-dma.c.orig 2004-11-18 08:50:03.000000000 +1100 +++ 2.6.10-rc2/drivers/ide/ide-dma.c 2004-11-18 08:50:24.000000000 +1100 @@ -129,7 +129,6 @@ { "CD-532E-A" , "ALL" }, { "E-IDE CD-ROM CR-840", "ALL" }, { "CD-ROM Drive/F5A", "ALL" }, - { "RICOH CD-R/RW MP7083A", "ALL" }, { "WPI CDD-820", "ALL" }, { "SAMSUNG CD-ROM SC-148C", "ALL" }, { "SAMSUNG CD-ROM SC-148F", "ALL" }, --Boundary-00=_728mB3xH79CP/sM-- - 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/