From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753393AbeDMCdr (ORCPT ); Thu, 12 Apr 2018 22:33:47 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:53244 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752697AbeDMCdp (ORCPT ); Thu, 12 Apr 2018 22:33:45 -0400 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 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.