From nobody Wed Dec 17 09:18:38 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C4EFC4167B for ; Wed, 29 Nov 2023 08:29:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232342AbjK2I3Q (ORCPT ); Wed, 29 Nov 2023 03:29:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231572AbjK2I3J (ORCPT ); Wed, 29 Nov 2023 03:29:09 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CB7F1BCC; Wed, 29 Nov 2023 00:29:15 -0800 (PST) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AT0c1wP026202; Wed, 29 Nov 2023 08:28:56 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=qcppdkim1; bh=B1stBXweFHGLo0FZ562PYkOASJIgvjARx2einm+rVNQ=; b=FdHIO0chEOw0EhLnLC8oXoMku4SAEwNZKIXVEPTYykYBQmPE/nkij9gvroEG9Opb+cUy 7WTTOtNAiZ2KkmUn6tfcfWPti0TWzEwg208nolR8mf2kI10Pt67rCq/NuwBSQ4HYXebn ocITqoU5gjlaENLjLl4ZqZ9es5J0cOMHbVvP4c2z5wmPPupQWQpQOyiCuk500nGHCxA6 VnjcGEB+733xtHNX++DPih0NZgvV3Ayj0aU9QNgxJujEYv7ZxNxIthf92AMGma+sI+Ku 8MQhuO2XLeXsKLivQ9NhraglyhT0r9WXS5RF6VQvOiT1mK4A3plj16vJLES8HJWVP+Sa qg== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3unnpesndy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Nov 2023 08:28:56 +0000 Received: from pps.filterd (NASANPPMTA03.qualcomm.com [127.0.0.1]) by NASANPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 3AT8H9ST023384; Wed, 29 Nov 2023 08:28:55 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NASANPPMTA03.qualcomm.com (PPS) with ESMTP id 3unmev6wy5-1; Wed, 29 Nov 2023 08:28:55 +0000 Received: from NASANPPMTA03.qualcomm.com (NASANPPMTA03.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3AT8SsZO007540; Wed, 29 Nov 2023 08:28:55 GMT Received: from stor-dylan.qualcomm.com (stor-dylan.qualcomm.com [192.168.140.207]) by NASANPPMTA03.qualcomm.com (PPS) with ESMTP id 3AT8Ssse007534; Wed, 29 Nov 2023 08:28:54 +0000 Received: by stor-dylan.qualcomm.com (Postfix, from userid 359480) id 88EC120A5D; Wed, 29 Nov 2023 00:28:54 -0800 (PST) From: Can Guo To: quic_cang@quicinc.com, bvanassche@acm.org, mani@kernel.org, adrian.hunter@intel.com, cmd4@qualcomm.com, beanhuo@micron.com, avri.altman@wdc.com, junwoo80.lee@samsung.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, "Bao D . Nguyen" , Andy Gross , Bjorn Andersson , Konrad Dybcio , "James E.J. Bottomley" , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v6 03/10] scsi: ufs: ufs-qcom: Setup host power mode during init Date: Wed, 29 Nov 2023 00:28:28 -0800 Message-Id: <1701246516-11626-4-git-send-email-quic_cang@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1701246516-11626-1-git-send-email-quic_cang@quicinc.com> References: <1701246516-11626-1-git-send-email-quic_cang@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Hjbt9V35o9NguTUgbfLrfnroWd7AMMeq X-Proofpoint-ORIG-GUID: Hjbt9V35o9NguTUgbfLrfnroWd7AMMeq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-29_06,2023-11-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 mlxscore=0 phishscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 clxscore=1015 bulkscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311290062 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Setup host power mode and its limitations during UFS host driver init to avoid repetitive work during every power mode change. Acked-by: Andrew Halaney Reviewed-by: Nitin Rawat Reviewed-by: Manivannan Sadhasivam Co-developed-by: Bao D. Nguyen Signed-off-by: Bao D. Nguyen Signed-off-by: Can Guo --- drivers/ufs/host/ufs-qcom.c | 21 ++++++++++++++------- drivers/ufs/host/ufs-qcom.h | 1 + 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index c21ff2c..9a90019 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -898,7 +898,7 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *h= ba, struct ufs_pa_layer_attr *dev_req_params) { struct ufs_qcom_host *host =3D ufshcd_get_variant(hba); - struct ufs_host_params host_params; + struct ufs_host_params *host_params =3D &host->host_params; int ret =3D 0; =20 if (!dev_req_params) { @@ -908,12 +908,7 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *= hba, =20 switch (status) { case PRE_CHANGE: - ufshcd_init_host_params(&host_params); - - /* This driver only supports symmetic gear setting i.e., hs_tx_gear =3D= =3D hs_rx_gear */ - host_params.hs_tx_gear =3D host_params.hs_rx_gear =3D ufs_qcom_get_hs_ge= ar(hba); - - ret =3D ufshcd_negotiate_pwr_params(&host_params, dev_max_params, dev_re= q_params); + ret =3D ufshcd_negotiate_pwr_params(host_params, dev_max_params, dev_req= _params); if (ret) { dev_err(hba->dev, "%s: failed to determine capabilities\n", __func__); @@ -1048,6 +1043,17 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba= *hba) hba->quirks |=3D UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH; } =20 +static void ufs_qcom_set_host_params(struct ufs_hba *hba) +{ + struct ufs_qcom_host *host =3D ufshcd_get_variant(hba); + struct ufs_host_params *host_params =3D &host->host_params; + + ufshcd_init_host_params(host_params); + + /* This driver only supports symmetic gear setting i.e., hs_tx_gear =3D= =3D hs_rx_gear */ + host_params->hs_tx_gear =3D host_params->hs_rx_gear =3D ufs_qcom_get_hs_g= ear(hba); +} + static void ufs_qcom_set_caps(struct ufs_hba *hba) { struct ufs_qcom_host *host =3D ufshcd_get_variant(hba); @@ -1272,6 +1278,7 @@ static int ufs_qcom_init(struct ufs_hba *hba) =20 ufs_qcom_set_caps(hba); ufs_qcom_advertise_quirks(hba); + ufs_qcom_set_host_params(hba); =20 err =3D ufs_qcom_ice_init(host); if (err) diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h index 82cd143..11419eb 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -238,6 +238,7 @@ struct ufs_qcom_host { =20 struct gpio_desc *device_reset; =20 + struct ufs_host_params host_params; u32 phy_gear; =20 bool esi_enabled; --=20 2.7.4