From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: CF as IDE on ICH6M using libata Date: Wed, 05 Sep 2007 13:28:11 -0400 Message-ID: <46DEE72B.2060702@rtr.ca> References: <6f9550040709020542h530f0bfap5b01fb4ff0c00f25@mail.gmail.com> <46DAB5DD.80807@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([76.10.145.34]:1927 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751226AbXIESBe (ORCPT ); Wed, 5 Sep 2007 14:01:34 -0400 In-Reply-To: <46DAB5DD.80807@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo , Eddie Hung Cc: linux-ide@vger.kernel.org Tejun Heo wrote: > .. > I don't think the device supports UDMA. Supported transfer modes are > indicated in the IDENTIFY page (hdparm -I) and libata/ide would use UDMA > if the device reports so. There's no black magic there. > > Some newer CF Cards have a funky way of reporting UDMA. Get a copy of hdparm-7.7 (sourceforge) and try "hdparm -I" using it, and post the output here. We may (or not) need to update libata to recognize UDMA on CF cards. Cheers