From patchwork Wed Feb 12 05:38:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Can Guo X-Patchwork-Id: 11377593 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2DBED109A for ; Wed, 12 Feb 2020 05:43:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F3B1120714 for ; Wed, 12 Feb 2020 05:43:55 +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="C/jtI4ck" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726194AbgBLFnz (ORCPT ); Wed, 12 Feb 2020 00:43:55 -0500 Received: from mail27.static.mailgun.info ([104.130.122.27]:64893 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725601AbgBLFnz (ORCPT ); Wed, 12 Feb 2020 00:43:55 -0500 X-Greylist: delayed 300 seconds by postgrey-1.27 at vger.kernel.org; Wed, 12 Feb 2020 00:43:54 EST DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1581486234; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=NMBFWs/iu5Xy2+tnmYgtFh5bOJ2ma0Oeqgf2koL0U1Y=; b=C/jtI4ck/lHi+LdYPqvWbUG5fZobVB3BaUIx5EHCcTisOj+Jo4YpyqKNQI26gLOPJwVr0E5n QcupE0xbIJZAjWLVIryaSwKJR/jz3RgDHpObO2eRKFeIQCghX3Tx94T5siwC0ldmla1h5JWN FZGlkvXl5dT6JKR72Ao+kpPXlUw= X-Mailgun-Sending-Ip: 104.130.122.27 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 5e438f6d.7f8efb658228-smtp-out-n03; Wed, 12 Feb 2020 05:38:53 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id A0ADDC447A6; Wed, 12 Feb 2020 05:38:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from pacamara-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: cang) by smtp.codeaurora.org (Postfix) with ESMTPSA id 0E591C43383; Wed, 12 Feb 2020 05:38:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 0E591C43383 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=cang@codeaurora.org From: Can Guo To: 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, cang@codeaurora.org Cc: Andy Gross , Bjorn Andersson , Alim Akhtar , Avri Altman , "James E.J. Bottomley" , "Martin K. Petersen" , Greg Kroah-Hartman , Pedro Sousa , Thomas Gleixner , linux-arm-msm@vger.kernel.org (open list:ARM/QUALCOMM SUPPORT), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v1 2/2] scsi: ufs: Select INITIAL ADAPT type for HS Gear4 Date: Tue, 11 Feb 2020 21:38:29 -0800 Message-Id: <1581485910-8307-3-git-send-email-cang@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1581485910-8307-1-git-send-email-cang@codeaurora.org> References: <1581485910-8307-1-git-send-email-cang@codeaurora.org> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org ADAPT is added specifically for HS Gear4 mode only, select INITIAL ADAPT before do power mode change to G4 and select NO ADAPT before switch to non-G4 modes. Signed-off-by: Can Guo Reviewed-by: Avri Altman Reviewed-by: Asutosh Das --- drivers/scsi/ufs/ufs-qcom.c | 14 ++++++++++++++ drivers/scsi/ufs/unipro.h | 7 +++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index d593523..6a905bb 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -942,6 +942,20 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba, if (!ufshcd_is_hs_mode(&hba->pwr_info) && ufshcd_is_hs_mode(dev_req_params)) ufs_qcom_dev_ref_clk_ctrl(host, true); + + if (host->hw_ver.major >= 0x4) { + if (dev_req_params->gear_tx == UFS_HS_G4) { + /* INITIAL ADAPT */ + ufshcd_dme_set(hba, + UIC_ARG_MIB(PA_TXHSADAPTTYPE), + PA_INITIAL_ADAPT); + } else { + /* NO ADAPT */ + ufshcd_dme_set(hba, + UIC_ARG_MIB(PA_TXHSADAPTTYPE), + PA_NO_ADAPT); + } + } break; case POST_CHANGE: if (ufs_qcom_cfg_timers(hba, dev_req_params->gear_rx, diff --git a/drivers/scsi/ufs/unipro.h b/drivers/scsi/ufs/unipro.h index 3dc4d8b..766d551 100644 --- a/drivers/scsi/ufs/unipro.h +++ b/drivers/scsi/ufs/unipro.h @@ -146,6 +146,12 @@ #define PA_SLEEPNOCONFIGTIME 0x15A2 #define PA_STALLNOCONFIGTIME 0x15A3 #define PA_SAVECONFIGTIME 0x15A4 +#define PA_TXHSADAPTTYPE 0x15D4 + +/* Adpat type for PA_TXHSADAPTTYPE attribute */ +#define PA_REFRESH_ADAPT 0x00 +#define PA_INITIAL_ADAPT 0x01 +#define PA_NO_ADAPT 0x03 #define PA_TACTIVATE_TIME_UNIT_US 10 #define PA_HIBERN8_TIME_UNIT_US 100 @@ -203,6 +209,7 @@ enum ufs_hs_gear_tag { UFS_HS_G1, /* HS Gear 1 (default for reset) */ UFS_HS_G2, /* HS Gear 2 */ UFS_HS_G3, /* HS Gear 3 */ + UFS_HS_G4, /* HS Gear 4 */ }; enum ufs_unipro_ver {