Received: by 10.192.165.148 with SMTP id m20csp254625imm; Tue, 1 May 2018 22:49:24 -0700 (PDT) X-Google-Smtp-Source: AB8JxZqNwJ3L/5lBsmIjqo1OcvSPV4hbWprGyzeMII71Wmmbwdi/9XCcDDl0sLSXwf8D8D3EJ1em X-Received: by 2002:a17:902:684c:: with SMTP id f12-v6mr18955285pln.139.1525240164261; Tue, 01 May 2018 22:49:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525240164; cv=none; d=google.com; s=arc-20160816; b=cn9XQrGaveK/1j1zmoi296DZU/YsjCBnueYYPb5ni4FUy202DBA7A5udj+i5JHbZ8l 8zznHJI5ekaynxynGvsh4D2KeGpH2GgPMkSi611a6dUb8tfAeJQmIDc7gL8tPWLBfSS2 zm8fpUVXom+xlHxiU7PHrUQRfP7muBLwoyM7gyz7YzlnUEjrbfNhRbc+XgDwCX3Puygd iNMaCjVmouMM02ndK1D/hmoDmHVmtLpP3pPugkgiPsJ05Uc4LHBabT78ym6wzf1AWw9i uefGRQEMCFWhZdfNG/2ChzK+elsFIZYUi202z06tElaciJuVUd2QZteqTwWZH7pju/o/ CXuw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :references:in-reply-to:mime-version:dkim-signature :arc-authentication-results; bh=3/ooXaLuzrMlF45FiD0Tf1slYrz+w3i5c/fG6oXtEnQ=; b=xrM84iG8CNsfqRD1M1L9RqHrVSGspFuI1SZqhDN7OeDQIIV/nmttHyVJeeXjJTXhr7 CKoTcqH0Wx7HPP9q7TDwb4DhBmmQpDvTxz3+Ek/Pq57JlNQ0S12fiAKLwDf5FClr/z8a kmi79Xfdn7V51QNUY1BcvWjUTzQEWulL8x61v6K0QtCWfEteYmygJjVLAmZh8sZmT5yc EUcVJeeQG6xCMJd++PjaDnybt2C6OjBQwq7PL1NwusSQgXcFg1G3Wqr2hbUBNxDpUrt7 Cl6QRpsFtK4Qw9xlRpu94yglQxFBi+vdNi3O8GYgikblm/f7Jd0vLTeGHhjt9Pg2oHyi 1AQQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=PGJXGrIg; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z3-v6si9252099pgs.671.2018.05.01.22.49.09; Tue, 01 May 2018 22:49:24 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=PGJXGrIg; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751167AbeEBFsu (ORCPT + 99 others); Wed, 2 May 2018 01:48:50 -0400 Received: from mail-oi0-f50.google.com ([209.85.218.50]:40361 "EHLO mail-oi0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750962AbeEBFss (ORCPT ); Wed, 2 May 2018 01:48:48 -0400 Received: by mail-oi0-f50.google.com with SMTP id c203-v6so11912415oib.7 for ; Tue, 01 May 2018 22:48:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=3/ooXaLuzrMlF45FiD0Tf1slYrz+w3i5c/fG6oXtEnQ=; b=PGJXGrIgg3njcupr5LlmFtkaHWdhfGITHTrnlSMr18pqkE1gz2Ft489K1T09fs/Phh ry1EVFNawU82yS2+bEKyTJaU8WHYZniwrn0xiuDVzGI0koSJUsKZJKYTxHA0klYG7lci NK7JEUPrvSQKxT62efSIw2ln5W2OAqT5vjCMk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=3/ooXaLuzrMlF45FiD0Tf1slYrz+w3i5c/fG6oXtEnQ=; b=fdhxETMzGO5XZqlaiNgYUIP1mRG5ESl5s4nCEm9UFA4E8fiZJw7nQSqoTUfPrvcXZq ii4T7UcQlVIwJheWWlxNZNsomnHNijscfURH3UpqLqracQXak3xrwWHPOV8Loqjz7lfI vJkmY/Ry/DFbwyOKu9V9ATAVPnjE2yX5VSiXgpljxgUlSTov+/MERqi4YahZN5X+GWo2 0X339QTPjISmv+xTYb5196cEBkEFfCRdfpeXj0MyuRbW32vzfWcfvUKMQIOYJEe1aJrL R1M3SZvHwH8SKo9PGfabENgwW06u5SWI6FO7GTmn2cb7et+bgVqszcazJ+31NiOP+Dq4 NdsQ== X-Gm-Message-State: ALQs6tBpFMs4AIaP8r8+yqGIbWbxy55Ts5NXzhFj4SDFiEvbs+ki7RyJ 9NcsKfD49HVmjAYJbvwEX4QxbfDZoArDcd7YtMW2Mg== X-Received: by 2002:aca:accf:: with SMTP id v198-v6mr11330753oie.320.1525240127628; Tue, 01 May 2018 22:48:47 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a9d:2d77:0:0:0:0:0 with HTTP; Tue, 1 May 2018 22:48:47 -0700 (PDT) In-Reply-To: <20180502052336.i5f4yv2ho3za7qa7@tetsubishi> References: <99031524fa147e72451d26f54b24f36093c0d3fa.1523255712.git.baolin.wang@linaro.org> <20180427121417.auv4ppryegkprv32@ninjato> <20180502052336.i5f4yv2ho3za7qa7@tetsubishi> From: Baolin Wang Date: Wed, 2 May 2018 13:48:47 +0800 Message-ID: Subject: Re: [PATCH 1/2] i2c: sprd: Prevent i2c accesses after suspend is called To: Wolfram Sang Cc: Mark Brown , linux-i2c@vger.kernel.org, LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2 May 2018 at 13:23, Wolfram Sang wrote: > >> > We should maybe handle this in the core somewhen, though. Or? >> >> Thanks. Yes, It will more helpful if we can handle this in the i2c core. > > To understand the issue better: which kind of devices in your system > still send I2C transfers when the system is going to suspend? Do you > know? Now we found the touch screen device will trigger I2C transfers when the system is going to suspend. -- Baolin.wang Best Regards