Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760191Ab0FQOgn (ORCPT ); Thu, 17 Jun 2010 10:36:43 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:53664 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760176Ab0FQOgl (ORCPT ); Thu, 17 Jun 2010 10:36:41 -0400 Date: Thu, 17 Jun 2010 07:36:53 -0700 (PDT) Message-Id: <20100617.073653.193708702.davem@davemloft.net> To: fujita.tomonori@lab.ntt.co.jp Cc: mchan@broadcom.com, lethal@linux-sh.org, vapier@gentoo.org, JBottomley@novell.com, netdev@vger.kernel.org, linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: bnx2 fails to compile on parisc because of missing get_dma_ops() From: David Miller In-Reply-To: <20100617211946A.fujita.tomonori@lab.ntt.co.jp> References: <20100617211946A.fujita.tomonori@lab.ntt.co.jp> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 913 Lines: 24 From: FUJITA Tomonori Date: Thu, 17 Jun 2010 21:21:13 +0900 > On Wed, 16 Jun 2010 23:24:44 -0700 > "Michael Chan" wrote: > >> David, why is dma_is_consistent() always returning 1 on sparc? The >> streaming DMA is not consistent. > > I think that there are some confusion about dma_is_consistent(). Some > architectures think that dma_is_consistent() is supposed to return 1 > if they can allocate coherent memory (note that some architectures > can't allocate coherent memory). Right, and that's why it's defined this way. If the desired meaning is different, just me know and I'll fix the sparc definition. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/