From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760687AbXI1BMP (ORCPT ); Thu, 27 Sep 2007 21:12:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757630AbXI1BMC (ORCPT ); Thu, 27 Sep 2007 21:12:02 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:57291 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756596AbXI1BMA (ORCPT ); Thu, 27 Sep 2007 21:12:00 -0400 From: akepner@sgi.com Date: Thu, 27 Sep 2007 18:10:59 -0700 To: Grant Grundler , Jesse Barnes , Jes Sorensen , Randy Dunlap , RolandDreier , James Bottomley Cc: linux-kernel@vger.kernel.org Subject: [1/4] dma: add dma_flags_set_dmabarrier() to dma interface Message-ID: <20070928011059.GN30013@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_dmabarrier() interface and give it a default no-op implementation. Signed-off-by: Arthur Kepner --- dma-mapping.h | 6 ++++++ 1 files changed, 6 insertions(+) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 2dc21cb..4d1d199 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -99,4 +99,10 @@ static inline void dmam_release_declared_memory(struct device *dev) } #endif /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */ +#ifndef ARCH_CAN_REORDER_DMA +static inline int dma_flags_set_dmabarrier(int dir) { + return dir; +} +#endif /* ARCH_CAN_REORDER_DMA */ + #endif