From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sat, 27 Oct 2012 00:31:48 +0200 (CEST) Received: from mail-pa0-f49.google.com ([209.85.220.49]:40836 "EHLO mail-pa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S6823102Ab2JZWbrrMUUV (ORCPT ); Sat, 27 Oct 2012 00:31:47 +0200 Received: by mail-pa0-f49.google.com with SMTP id bi5so2045805pad.36 for ; Fri, 26 Oct 2012 15:31:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=Vn68WuMIa0bQ1bzoxH8HhgZxpsLsaPTWLXZm8+1p38k=; b=zHG5Wg3gJlUeb0EQIbKLAe/RgcKuyETtUHvJ0avarlQlHMEzeGvT1p5CjPBoOK99DR cjzOnp/6f2KgKS5FdJrcSNIWirsK3WZbrsVmA3B7a+mmEkx45+VNupsd1sCot1VQhhtC noU/As0ZQmdpY/TnjvTDk6LOX9vcS2DomTYTSaykLy9GiZDGXhDf/uhcXYcCWHO3u4nc gzWz/17TuVIAlnZ9Aj54A/HOhUCxJvUW9S1JDLaf9yPHNy6/0xYeLgJdxnGe/ryRxW6D oxbL3shCCGq6roDefIm9QVUvEnDFfkUi4VQAxw45rodOFp2NQa7B91R1idhtSW35te1O Fudw== Received: by 10.68.220.2 with SMTP id ps2mr73396529pbc.61.1351290700842; Fri, 26 Oct 2012 15:31:40 -0700 (PDT) Received: from dl.caveonetworks.com (64.2.3.195.ptr.us.xo.net. [64.2.3.195]) by mx.google.com with ESMTPS id iq3sm1787061pbc.5.2012.10.26.15.31.39 (version=SSLv3 cipher=OTHER); Fri, 26 Oct 2012 15:31:40 -0700 (PDT) Message-ID: <508B0F4B.80601@gmail.com> Date: Fri, 26 Oct 2012 15:31:39 -0700 From: David Daney User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121016 Thunderbird/16.0.1 MIME-Version: 1.0 To: shuah.khan@hp.com CC: ralf@linux-mips.org, kyungmin.park@samsung.com, arnd@arndb.de, andrzej.p@samsung.com, m.szyprowski@samsung.com, linux-mips@linux-mips.org, LKML , shuahkhan@gmail.com Subject: Re: [PATCH RFT RESEND linux-next] mips: dma-mapping: support debug_dma_mapping_error References: <1351208193.6851.17.camel@lorien2> <1351267298.4013.12.camel@lorien2> <508ABE1D.5010106@gmail.com> <1351271198.4013.35.camel@lorien2> <508AED66.3040808@gmail.com> <1351288264.6885.11.camel@lorien2> In-Reply-To: <1351288264.6885.11.camel@lorien2> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-archive-position: 34780 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ddaney.cavm@gmail.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Return-Path: On 10/26/2012 02:51 PM, Shuah Khan wrote: >>>> On 10/26/2012 09:01 AM, Shuah Khan wrote: >>>>> 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. I'm confused. Your claim that a 'warning is generated' seems to be in conflict with... [...] > Got it. Thanks. I would volunteer to look at fixing all the problems, > but unfortunately I don't have a MIPS box handy This statement that you don't have hardware that exhibits the problem. How was the patch tested? How do you even know there is a problem? David Daney