From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 27 May 2003 11:53:27 +0100 (BST) Received: from carisma.slowglass.com ([IPv6:::ffff:195.224.96.167]:5641 "EHLO phoenix.infradead.org") by linux-mips.org with ESMTP id ; Tue, 27 May 2003 11:53:25 +0100 Received: from hch by phoenix.infradead.org with local (Exim 4.10) id 19Kc54-0001r1-00; Tue, 27 May 2003 11:53:22 +0100 Date: Tue, 27 May 2003 11:53:22 +0100 From: Christoph Hellwig To: Atsushi Nemoto Cc: ralf@linux-mips.org, wgowcher@yahoo.com, linux-mips@linux-mips.org Subject: Re: pci_alloc_consistent usage Message-ID: <20030527115322.A7124@infradead.org> References: <20030523215935.71373.qmail@web11901.mail.yahoo.com> <20030527091740.GA23296@linux-mips.org> <20030527.190749.39150100.nemoto@toshiba-tops.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20030527.190749.39150100.nemoto@toshiba-tops.co.jp>; from anemo@mba.ocn.ne.jp on Tue, May 27, 2003 at 07:07:49PM +0900 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 2459 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: hch@infradead.org Precedence: bulk X-list: linux-mips On Tue, May 27, 2003 at 07:07:49PM +0900, Atsushi Nemoto wrote: > >>>>> On Tue, 27 May 2003 11:17:40 +0200, Ralf Baechle said: > ralf> Use the value returned by pci_alloc_consistent in *dma_handle > ralf> instead of trying to do any conversions with of > ralf> pci_alloc_consistent's return value. > > How about virt_to_page()? > > Currently, many sound drivers (including ALSA) pass a > pci_alloc_consistent's return value to virt_to_page. You are not allow to do so. Any driver doing this is broken.