From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: Issues with SIS 964 chipset on SATA Date: Thu, 17 Feb 2005 08:26:07 -0500 Message-ID: <42149B6F.1000502@rtr.ca> References: <4214551C.8030109@pobox.com> <20050217083825.GA8695@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Received: from cpu1185.adsl.bellglobal.com ([207.236.110.166]:21677 "EHLO mail.rtr.ca") by vger.kernel.org with ESMTP id S262146AbVBQN0W (ORCPT ); Thu, 17 Feb 2005 08:26:22 -0500 In-Reply-To: <20050217083825.GA8695@suse.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jens Axboe Cc: Jeff Garzik , Gary Poppitz , linux-ide@vger.kernel.org Jens Axboe wrote: > >>It looks like I will need to do a workaround for all SATA ATAPI devices: >> if the transfer is not a multiple of 4 bytes, pad it with an DMA 1-3 >>byte DMA segment. Yup, that requirement has existed on most of the hardware I've done drivers for, both SATA and a lot of PATA chips too. Cheers