From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261237AbVFJUuW (ORCPT ); Fri, 10 Jun 2005 16:50:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261227AbVFJUuW (ORCPT ); Fri, 10 Jun 2005 16:50:22 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:39314 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S261237AbVFJUsy (ORCPT ); Fri, 10 Jun 2005 16:48:54 -0400 Subject: Re: DMA mapping (was Re: [PATCH] cciss 2.6; replaces DMA masks with kernel defines) From: Lee Revell To: Arjan van de Ven Cc: Jeff Garzik , mike.miller@hp.com, akpm@osdl.org, axboe@suse.de, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org In-Reply-To: <1118436306.5272.37.camel@laptopd505.fenrus.org> References: <20050610143453.GA26476@beardog.cca.cpqcorp.net> <42A9C60E.3080604@pobox.com> <1118436000.6423.42.camel@mindpipe> <1118436306.5272.37.camel@laptopd505.fenrus.org> Content-Type: text/plain Date: Fri, 10 Jun 2005 16:49:48 -0400 Message-Id: <1118436589.6423.51.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2005-06-10 at 22:45 +0200, Arjan van de Ven wrote: > > Why doesn't this file define 29, 30, 31 bit DMA masks, required by many > > devices? I know of at least 2 soundcards that need a 29 bit DMA mask. > > your mail unfortunately was not in diff -u form ;) > I'm pretty sure that such constants are welcome > OK, I just wanted to see if there was a reason before posting it. Anyone know of hardware that needs less than a 29 bit mask? Lee