Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757380AbZFMGlJ (ORCPT ); Sat, 13 Jun 2009 02:41:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751383AbZFMGlB (ORCPT ); Sat, 13 Jun 2009 02:41:01 -0400 Received: from 219-87-157-169.static.tfn.net.tw ([219.87.157.169]:58735 "EHLO mswedge2.sunplus.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751382AbZFMGlA (ORCPT ); Sat, 13 Jun 2009 02:41:00 -0400 In-Reply-To: <200906091918.20558.arnd@arndb.de> To: Arnd Bergmann Cc: Andrew Morton , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org MIME-Version: 1.0 Subject: Re: [PATCH 06/27] score: create head files delay.h device.h div64.h dma-mapping.h dma.h X-Mailer: Lotus Notes Release 6.5 September 26, 2003 Message-ID: From: liqin.chen@sunplusct.com Date: Sat, 13 Jun 2009 14:36:13 +0800 X-MIMETrack: Serialize by Router on ctmail01/SunplusCT(Release 7.0.3FP1|February 24, 2008) at 2009/06/13 ?? 02:36:14, Serialize complete at 2009/06/13 ?? 02:36:14 Content-Type: text/plain; charset="GB2312" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by alpha.home.local id n5D6fk54011714 Content-Length: 714 Lines: 23 Arnd Bergmann д?? 2009-06-10 01:18:20: > On Tuesday 09 June 2009, liqin.chen@sunplusct.com wrote: > > Having a working udelay() function is required for many > drivers that are sensitive to timing, you should probably > implement that at some point in the future. Add udelay() implement in code. > > This indicates that you allow DMA to certain devices only in the first > 16MB of memory, like an ISA floppy or parallel port. Do you actually have > any devices with this behaviour? > No, I had removed it. Best Regards Liqin -- ????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m???? ????????I?