From patchwork Fri Oct 26 00:36:13 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shuah Khan X-Patchwork-Id: 194328 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id B95C22C0090 for ; Fri, 26 Oct 2012 11:36:40 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753784Ab2JZAgW (ORCPT ); Thu, 25 Oct 2012 20:36:22 -0400 Received: from g5t0007.atlanta.hp.com ([15.192.0.44]:39457 "EHLO g5t0007.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753726Ab2JZAgU (ORCPT ); Thu, 25 Oct 2012 20:36:20 -0400 Received: from g5t0030.atlanta.hp.com (g5t0030.atlanta.hp.com [16.228.8.142]) by g5t0007.atlanta.hp.com (Postfix) with ESMTP id 6809E14222; Fri, 26 Oct 2012 00:36:19 +0000 (UTC) Received: from [10.152.0.174] (openvpn.lnx.usa.hp.com [16.125.113.33]) by g5t0030.atlanta.hp.com (Postfix) with ESMTP id 8FA0114194; Fri, 26 Oct 2012 00:36:15 +0000 (UTC) Message-ID: <1351211773.6851.24.camel@lorien2> Subject: [PATCH RFT] sparc: dma-mapping: support debug_dma_mapping_error From: Shuah Khan Reply-To: shuah.khan@hp.com To: davem@davemloft.net, kyungmin.park@samsung.com, m.szyprowski@samsung.com, sam@ravnborg.org, arnd@arndb.de Cc: sparclinux@vger.kernel.org, LKML , shuahkhan@gmail.com Date: Thu, 25 Oct 2012 18:36:13 -0600 Organization: ISS-Linux X-Mailer: Evolution 3.2.3-0ubuntu6 Mime-Version: 1.0 Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org From 9e8feb61482288c5a5dd609e0dd17c1a262a48a3 Mon Sep 17 00:00:00 2001 From: Shuah Khan Date: Thu, 25 Oct 2012 18:31:42 -0600 Subject: [PATCH RFT] sparc: dma-mapping: support debug_dma_mapping_error Add support for debug_dma_mapping_error() call to avoid warning from debug_dma_unmap() interface when it checks for mapping error checked status. Without this patch, device driver failed to check map error warning is generated. Signed-off-by: Shuah Khan --- arch/sparc/include/asm/dma-mapping.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 8493fd3..05fe53f 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -59,6 +59,7 @@ static inline void dma_free_attrs(struct device *dev, size_t size, static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { + debug_dma_mapping_error(dev, dma_addr); return (dma_addr == DMA_ERROR_CODE); }