From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 13 Apr 2018 04:33:59 +0200 (CEST) Received: from smtp.codeaurora.org ([198.145.29.96]:47374 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23991359AbeDMCdvWUDTj (ORCPT ); Fri, 13 Apr 2018 04:33:51 +0200 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 2550B607C7; Fri, 13 Apr 2018 02:33:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523586825; bh=yMc94yOTyTZaR7HfgQw0jVgWt/BHm0QguJXaIUnZV4A=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=B7KYWMwKq5I+yGLglBXDk1P1YG7BEGcVSQYfXCPHsaQP3den4iLv33RAdZ8bDtjeM a969SCnGy81fIRjl9HDQDa1flri+CJSriGxVgezj5ZcIhe9c1JKiz1f9RW8VTptMtU xlA81QO7wUtowtLJwIAgxrV+5CcfFGdgDBn9VRkw= Received: from [192.168.0.105] (cpe-174-109-247-98.nc.res.rr.com [174.109.247.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7D08960264; Fri, 13 Apr 2018 02:33:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523586824; bh=yMc94yOTyTZaR7HfgQw0jVgWt/BHm0QguJXaIUnZV4A=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=I1xKu5nVAdXNP6rfuHZrMYyYyHalB3xlzJcW7Q2R6sLaDoPk6uY8tUiG6zX4mPMqE CQxlegePcq6oHWsHg1ZwPRKgQkCbv0i8imnfgd69d8YUR9rzK8EDg1FPFi58mntFIV CwsJ/KJLvppFCdnYom3u7Fu4QWgjtb0fiiAMnMRU= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7D08960264 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org Subject: Re: [PATCH v4 2/2] MIPS: io: add a barrier after register read in readX() To: linux-mips@linux-mips.org, arnd@arndb.de, timur@codeaurora.org, sulrich@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Ralf Baechle , James Hogan , Paul Burton , linux-kernel@vger.kernel.org References: <1523586646-19630-1-git-send-email-okaya@codeaurora.org> <1523586646-19630-2-git-send-email-okaya@codeaurora.org> From: Sinan Kaya Message-ID: Date: Thu, 12 Apr 2018 22:33:42 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <1523586646-19630-2-git-send-email-okaya@codeaurora.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 63518 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: okaya@codeaurora.org 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 On 4/12/2018 10:30 PM, Sinan Kaya wrote: > + /* prevent prefetching of coherent DMA dma prematurely */ \ I tried to write DMA data but my keyboard is not cooperating. I'll hold onto posting another version until I hear back from you for wmb(). -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.