From nobody Thu Nov 14 05:14:59 2024 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 55A29C4332F for ; Tue, 7 Nov 2023 04:47:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233541AbjKGErH (ORCPT ); Mon, 6 Nov 2023 23:47:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233488AbjKGErD (ORCPT ); Mon, 6 Nov 2023 23:47:03 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A717B109; Mon, 6 Nov 2023 20:47:00 -0800 (PST) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3A70dta6006795; Tue, 7 Nov 2023 04:46:45 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=qcppdkim1; bh=ls7XUG+4mcdoSFOAOcUnheq/gfQ6edrpen1JlEWng30=; b=DfAxFPA+I8Udc4R7PgVA/rcURhMcADIL71SKYz43HjOfHhjYQ5SRV8hzX3D/+cKT1Aib HDm8mceDLtWRo1GKdpggWsTAiqxYv03PgSWqb5t3VW/iw7IurnVUGw6lilorkbqOYvku Z74i8COwo6qpKLuSRveOfYZHr6w2TZNNQDyc2wwz5CDffpgDgJSF15SUwEJu85JkqUJK N9risxMg76VC51fkv+JhRm1zqiY61FBO6mzwZ8eWpklPfeHH7BdBy94vlktaHYDzhBe7 upBtbHlu5/UBGw5zyJRee+DSwXgEOf7PN39sK1TIIfddCfb6sadQrvk4T5qmxBxGr5NV kg== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3u72c01mtm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Nov 2023 04:46:45 +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 3A74JEVn003932; Tue, 7 Nov 2023 04:46:44 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NASANPPMTA03.qualcomm.com (PPS) with ESMTP id 3u73v7ndq1-1; Tue, 07 Nov 2023 04:46:44 +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 3A74hUvt007207; Tue, 7 Nov 2023 04:46:43 GMT Received: from stor-dylan.qualcomm.com (stor-dylan.qualcomm.com [192.168.140.207]) by NASANPPMTA03.qualcomm.com (PPS) with ESMTP id 3A74khTx013006; Tue, 07 Nov 2023 04:46:43 +0000 Received: by stor-dylan.qualcomm.com (Postfix, from userid 359480) id 76EAC20A78; Mon, 6 Nov 2023 20:46:43 -0800 (PST) From: Can Guo To: quic_cang@quicinc.com, bvanassche@acm.org, mani@kernel.org, stanley.chu@mediatek.com, adrian.hunter@intel.com, beanhuo@micron.com, avri.altman@wdc.com, junwoo80.lee@samsung.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, "Bao D . Nguyen" , Andy Gross , Bjorn Andersson , Konrad Dybcio , "James E.J. Bottomley" , linux-arm-msm@vger.kernel.org (open list:ARM/QUALCOMM SUPPORT), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 2/7] scsi: ufs: ufs-qcom: Setup host power mode during init Date: Mon, 6 Nov 2023 20:46:08 -0800 Message-Id: <1699332374-9324-3-git-send-email-cang@qti.qualcomm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1699332374-9324-1-git-send-email-cang@qti.qualcomm.com> References: <1699332374-9324-1-git-send-email-cang@qti.qualcomm.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-ORIG-GUID: eSfxC2Vl-TQbfp9qSDP0VN37bcoOSaIC X-Proofpoint-GUID: eSfxC2Vl-TQbfp9qSDP0VN37bcoOSaIC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-06_15,2023-11-02_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 mlxscore=0 mlxlogscore=999 clxscore=1015 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310240000 definitions=main-2311070038 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" From: Can Guo Setup host power mode and its limitations during UFS host driver init to avoid repetitive work during every power mode change. Co-developed-by: Bao D. Nguyen Signed-off-by: Bao D. Nguyen Signed-off-by: Can Guo Acked-by: Andrew Halaney --- drivers/ufs/host/ufs-qcom.c | 22 ++++++++++++++-------- drivers/ufs/host/ufs-qcom.h | 1 + 2 files changed, 15 insertions(+), 8 deletions(-) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index aee66a3..cc0eb37 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) { @@ -908,13 +908,7 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *= hba, =20 switch (status) { case PRE_CHANGE: - ufshcd_init_host_param(&host_params); - host_params.hs_rate =3D UFS_QCOM_LIMIT_HS_RATE; - - /* 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_param(&host_params, dev_max_params, dev_req= _params); + ret =3D ufshcd_negotiate_pwr_param(host_params, dev_max_params, dev_req_= params); if (ret) { dev_err(hba->dev, "%s: failed to determine capabilities\n", __func__); @@ -1049,6 +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_param(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); @@ -1273,6 +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 9950a00..ab94c54 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -240,6 +240,7 @@ 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