Return-path: Received: from mail-pz0-f46.google.com ([209.85.210.46]:52615 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750941Ab1GTGQJ convert rfc822-to-8bit (ORCPT ); Wed, 20 Jul 2011 02:16:09 -0400 Received: by pzk3 with SMTP id 3so5838131pzk.5 for ; Tue, 19 Jul 2011 23:16:09 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20110720011509.504022f8@maggie> References: <1311113542-2540-1-git-send-email-zajec5@gmail.com> <1311113542-2540-2-git-send-email-zajec5@gmail.com> <20110720011509.504022f8@maggie> Date: Wed, 20 Jul 2011 08:16:08 +0200 Message-ID: (sfid-20110720_081614_192016_71A588B1) Subject: Re: [PATCH 1/3] b43: replace DMA translation workarounds with just a one, commented From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= To: =?UTF-8?Q?Michael_B=C3=BCsch?= Cc: linux-wireless@vger.kernel.org, "John W. Linville" , Pavel Roskin , b43-dev@lists.infradead.org Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: W dniu 20 lipca 2011 01:15 użytkownik Michael Büsch napisał: > On Wed, 20 Jul 2011 00:12:20 +0200 > Rafał Miłecki wrote: >> +              * be fixed on ssb side, but requires testing with b43, >> +              * b43legacy and b44. */ > > No it doesn't. b44 and b43legacy don't use 64bit DMA. > Just fix it in ssb, please. They (drivers) don't, but what if we start giving them routing for 64-bit DMA? AFAIU they treat 64-bit DMA as 32-bit one (according to specs: "If 64 Bit isn't an option, Silicon Backplane and PCI-E buses can use 32 bit DMA."). Won't they start using 64-bit DMA in the 32-bit way but with 64-bit routing bits? -- Rafał