From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C21F0C3B194 for ; Fri, 14 Feb 2020 02:48:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 966E124650 for ; Fri, 14 Feb 2020 02:48:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="IO7Hshap" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728462AbgBNCsj (ORCPT ); Thu, 13 Feb 2020 21:48:39 -0500 Received: from mail26.static.mailgun.info ([104.130.122.26]:44213 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728305AbgBNCsj (ORCPT ); Thu, 13 Feb 2020 21:48:39 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1581648518; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=UWAYJSfeXjul/xRnXFEQLy56THzmnk0AwuyzQ8fL8JE=; b=IO7HshapIYd3D5EGKR630Ys4k2Fv0NFMP6jNdTBy9PDatjQ+4fxc9lA2Wm9BmufwP3UjPrOe 8n/6bHy1IG2aryycxGbpHy2Oa6a2Im5Fum44mEKvFYccRkmduH4KE0tJngTe/EekoVuv+WkE ZbmMNXWJ32MiHoV+ZMa1/BCc4yg= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyJlNmU5NiIsICJsaW51eC1zY3NpQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e460a85.7fb4881a2a08-smtp-out-n03; Fri, 14 Feb 2020 02:48:37 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 82E4FC447A0; Fri, 14 Feb 2020 02:48:36 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: hongwus) by smtp.codeaurora.org (Postfix) with ESMTPSA id B368EC43383; Fri, 14 Feb 2020 02:48:35 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 14 Feb 2020 10:48:35 +0800 From: hongwus@codeaurora.org To: Can Guo Cc: asutoshd@codeaurora.org, nguyenb@codeaurora.org, rnayak@codeaurora.org, linux-scsi@vger.kernel.org, kernel-team@android.com, saravanak@google.com, salyzyn@google.com, Sayali Lokhande , Alim Akhtar , Avri Altman , "James E.J. Bottomley" , "Martin K. Petersen" , Stanley Chu , Bean Huo , Bart Van Assche , Venkat Gopalakrishnan , Tomas Winkler , linux-kernel@vger.kernel.org Subject: Re: [PATCH v10 1/7] scsi: ufs: Flush exception event before suspend In-Reply-To: <1581392451-28743-2-git-send-email-cang@codeaurora.org> References: <1581392451-28743-1-git-send-email-cang@codeaurora.org> <1581392451-28743-2-git-send-email-cang@codeaurora.org> Message-ID: <935eca44a8090631687a2fa298bcd595@codeaurora.org> X-Sender: hongwus@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 2020-02-11 11:40, Can Guo wrote: > From: Sayali Lokhande > > Exception event can be raised by the device when system > suspend is in progress. This will result in unclocked > register access in exception event handler as clocks will > be turned off during suspend. This change makes sure to flush > exception event handler work in suspend before disabling > clocks to avoid unclocked register access issue. > > Signed-off-by: Sayali Lokhande > Signed-off-by: Asutosh Das > Signed-off-by: Can Guo > Reviewed-by: Bean Huo Reviewed-by: Hongwu Su