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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 DE5E4C3524D for ; Mon, 3 Feb 2020 07:17:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B34E620661 for ; Mon, 3 Feb 2020 07:17:29 +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="vJNbTJ3I" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727407AbgBCHR3 (ORCPT ); Mon, 3 Feb 2020 02:17:29 -0500 Received: from mail25.static.mailgun.info ([104.130.122.25]:29978 "EHLO mail25.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727226AbgBCHR2 (ORCPT ); Mon, 3 Feb 2020 02:17:28 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1580714247; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=LSUOB0htOB7h0HnG8rrlaTFbDlSnIcVLwSog0W6Hsls=; b=vJNbTJ3I/Yy//Ok7FuOAgUM3ZGYkFzZJwpLdXBpRxzcfi1SXNLCD+tsMF6rvAddjt00w0WmN jls1frp6oqlvPXk4+2GZFyetpYYg8jGEEBBMNL3fSH4tJmLLrzF7uQpuxts/dxJHzXJM4bME cl3msuFTVc3ocz6/8H3pPinxaR8= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd 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 5e37c902.7f2180f166c0-smtp-out-n02; Mon, 03 Feb 2020 07:17:22 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id C2CE2C447A1; Mon, 3 Feb 2020 07:17:21 +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: cang) by smtp.codeaurora.org (Postfix) with ESMTPSA id 181D7C433CB; Mon, 3 Feb 2020 07:17:21 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 03 Feb 2020 15:17:21 +0800 From: Can Guo To: "Bean Huo (beanhuo)" Cc: asutoshd@codeaurora.org, nguyenb@codeaurora.org, hongwus@codeaurora.org, rnayak@codeaurora.org, linux-scsi@vger.kernel.org, kernel-team@android.com, saravanak@google.com, salyzyn@google.com, Alim Akhtar , Avri Altman , Pedro Sousa , "James E.J. Bottomley" , "Martin K. Petersen" , Tomas Winkler , Stanley Chu , Venkat Gopalakrishnan , open list Subject: Re: [EXT] [PATCH v4 6/8] scsi: ufs: Add dev ref clock gating wait time support In-Reply-To: References: <1579764349-15578-1-git-send-email-cang@codeaurora.org> <1579764349-15578-7-git-send-email-cang@codeaurora.org> Message-ID: X-Sender: cang@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-01-24 07:11, Bean Huo (beanhuo) wrote: > Hi, Can > >> >> In UFS version 3.0, a newly added attribute bRefClkGatingWaitTime >> defines the >> minimum time for which the reference clock is required by device >> during >> transition to LS-MODE or HIBERN8 state. Make this change to reflect >> the new >> requirement by adding delays before turning off the clock. >> >> Signed-off-by: Can Guo >> --- >> drivers/scsi/ufs/ufs.h | 3 +++ >> drivers/scsi/ufs/ufshcd.c | 41 >> +++++++++++++++++++++++++++++++++++++++++ >> 2 files changed, 44 insertions(+) >> >> diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index >> 3327981..385bac8 100644 >> --- a/drivers/scsi/ufs/ufs.h >> +++ b/drivers/scsi/ufs/ufs.h >> @@ -168,6 +168,7 @@ enum attr_idn { >> QUERY_ATTR_IDN_FFU_STATUS = 0x14, >> QUERY_ATTR_IDN_PSA_STATE = 0x15, >> QUERY_ATTR_IDN_PSA_DATA_SIZE = 0x16, >> + QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME = 0x17, >> }; >> >> /* Descriptor idn for Query requests */ @@ -530,6 +531,8 @@ struct >> ufs_dev_info { >> bool f_power_on_wp_en; >> /* Keeps information if any of the LU is power on write protected */ >> bool is_lu_power_on_wp; >> + u16 spec_version; >> + u32 clk_gating_wait_us; >> }; >> > This one also need rebase > > Thanks, > > //Bean Shall rebase this series. Thanks, Can Guo