From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] pata_cs5536: add quirk for broken udma Date: Wed, 28 Nov 2012 12:43:39 -0500 Message-ID: <50B64D4B.6020109@pobox.com> References: <1349797992-32611-1-git-send-email-christian.gmeiner@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-qc0-f174.google.com ([209.85.216.174]:51683 "EHLO mail-qc0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754008Ab2K1Rnm (ORCPT ); Wed, 28 Nov 2012 12:43:42 -0500 Received: by mail-qc0-f174.google.com with SMTP id o22so9857430qcr.19 for ; Wed, 28 Nov 2012 09:43:41 -0800 (PST) In-Reply-To: <1349797992-32611-1-git-send-email-christian.gmeiner@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Christian Gmeiner Cc: linux-ide@vger.kernel.org, mkp@mkp.net On 10/09/2012 11:53 AM, Christian Gmeiner wrote: > I am working on a device which uses the cs5536 pata driver. There > are some broken hardware revisions out in the field, which can be > detected via DMI. On older versions with an embedded BIOS I > used libata.dma=0 to disable dma completely. > Now we are switching to a coreboot/seabios based BIOS where we > have DMI support and so I think its a good idea to get rid of > all those hacky kernel parameters as the same image > is used other devices where libata.dma=0 is not a good idea. > > Signed-off-by: Christian Gmeiner > --- > drivers/ata/pata_cs5536.c | 32 +++++++++++++++++++++++++++++++- > 1 file changed, 31 insertions(+), 1 deletion(-) applied