From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] libata: implement and use DMA mask configuration helper Date: Fri, 09 Mar 2007 07:41:07 -0500 Message-ID: <45F155E3.9040604@garzik.org> References: <20070309104945.GG32687@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:55603 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1767215AbXCIMlK (ORCPT ); Fri, 9 Mar 2007 07:41:10 -0500 In-Reply-To: <20070309104945.GG32687@htj.dyndns.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: linux-ide@vger.kernel.org Tejun Heo wrote: > Implement and use DMA mask configuration helper. > > Signed-off-by: Tejun Heo > --- > This function probably belongs to pci layer. Put it in libata with > pci_test_bits() for the time being. AFAIK the default DMA mask is always 32-bit. Code (often written by me) that sets it to a 32-bit mask was just paranoia, and not really needed. Hence, the pci_go_64() function I added, found in #upstream. Jeff