From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: DMA mapping (was Re: [PATCH] cciss 2.6; replaces DMA masks with kernel defines) Date: Sun, 12 Jun 2005 22:58:51 -0400 Message-ID: <42ACF66B.9050303@pobox.com> References: <20050610143453.GA26476@beardog.cca.cpqcorp.net> <42A9C60E.3080604@pobox.com> <1118436000.6423.42.camel@mindpipe> <1118436306.5272.37.camel@laptopd505.fenrus.org> <1118436589.6423.51.camel@mindpipe> <20050611183246.GA3019@pentafluge.infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.dvmed.net ([216.237.124.58]:50913 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S261331AbVFMC7M (ORCPT ); Sun, 12 Jun 2005 22:59:12 -0400 In-Reply-To: <20050611183246.GA3019@pentafluge.infradead.org> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Lee Revell Cc: Arjan van de Ven , mike.miller@hp.com, akpm@osdl.org, axboe@suse.de, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org jgarzik@pentafluge.infradead.org wrote: > On Fri, Jun 10, 2005 at 04:49:48PM -0400, Lee Revell wrote: > >>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? > > > ALS2000 sound device, which is basically an ISA SB chip on a PCI board. ALS4000, excuse me. Jeff