From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757340AbXJCCqL (ORCPT ); Tue, 2 Oct 2007 22:46:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754600AbXJCCp5 (ORCPT ); Tue, 2 Oct 2007 22:45:57 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:50882 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754247AbXJCCp5 (ORCPT ); Tue, 2 Oct 2007 22:45:57 -0400 From: akepner@sgi.com Date: Tue, 2 Oct 2007 19:44:57 -0700 To: Grant Grundler , Jesse Barnes , Jes Sorensen , Randy Dunlap , RolandDreier , James Bottomley , David Miller Cc: linux-kernel@vger.kernel.org Subject: [PATCH 1/5] dma: add dma_flags_set_attr() to dma interface Message-ID: <20071003024457.GF26752@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Introduce the dma_flags_set_attr() interface and give it a default no-op implementation. Signed-off-by: Arthur Kepner --- dma-mapping.h | 8 ++++++++ 1 files changed, 8 insertions(+) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 2dc21cb..4990aaf 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -99,4 +99,12 @@ static inline void dmam_release_declared_memory(struct device *dev) } #endif /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */ +#define DMA_BARRIER_ATTR 0x1 +#ifndef ARCH_USES_DMA_ATTRS +static inline int dma_flags_set_attr(u32 attr, enum dma_data_direction dir) +{ + return dir; +} +#endif /* ARCH_USES_DMA_ATTRS */ + #endif