From patchwork Tue Nov 7 04:46:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Can Guo X-Patchwork-Id: 742287 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B26521FD2 for ; Tue, 7 Nov 2023 04:47:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="VFP8WkIj" Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8FB0135; Mon, 6 Nov 2023 20:47:03 -0800 (PST) Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3A72NHF1022765; Tue, 7 Nov 2023 04:46:51 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=4oCdX+o+C4WN1iHUVi8rtCosO3nRaCMx/0gq4hRLvCQ=; b=VFP8WkIjlnIipDHXS3XVkaVSdJ12NVldGSC6y7NVU2uOvaTrQi17EId6CDB3pu2Pjnis AJ4rXnO6iHHQwRz1iFrXG6F3PVS36X/QmpmcOl8OHj0/YuYi9GCrwCmlWhECcmXYJ0pm iK5YVivnh3bqvTYl8adj+A3RQlP/MulielL9hvprfa+tz+IwbvWb/BLK4LKc+smW/6nC Y0LTd9mtaGGewEi/hZHJHl7hF67cKToLm8OjhmoHJGmgqFjfG04hEwLGR7Xg0FQ5Ep10 Ey+SBZZBhV0aZuFMk76xraRA7uLEZzyx4NNhKvscbZZE/o8v48zJpyzUms+zSHTJFS78 tw== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3u6xduabhx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Nov 2023 04:46:50 +0000 Received: from pps.filterd (NASANPPMTA05.qualcomm.com [127.0.0.1]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 3A74kPdL024917; Tue, 7 Nov 2023 04:46:50 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NASANPPMTA05.qualcomm.com (PPS) with ESMTP id 3u78ha354x-1; Tue, 07 Nov 2023 04:46:49 +0000 Received: from NASANPPMTA05.qualcomm.com (NASANPPMTA05.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3A74gOJf018919; Tue, 7 Nov 2023 04:46:49 GMT Received: from stor-dylan.qualcomm.com (stor-dylan.qualcomm.com [192.168.140.207]) by NASANPPMTA05.qualcomm.com (PPS) with ESMTP id 3A74knbI025345; Tue, 07 Nov 2023 04:46:49 +0000 Received: by stor-dylan.qualcomm.com (Postfix, from userid 359480) id 3902120A78; Mon, 6 Nov 2023 20:46:49 -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, Andy Gross , Bjorn Andersson , Konrad Dybcio , "James E.J. Bottomley" , linux-arm-msm@vger.kernel.org (open list:UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER...), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 5/7] scsi: ufs: ufs-qcom: Set initial PHY gear to max HS gear for HW ver 5 and newer Date: Mon, 6 Nov 2023 20:46:11 -0800 Message-Id: <1699332374-9324-6-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-GUID: trSbQ4TI09d3NRK9YNYXZEIhnRTw8tsi X-Proofpoint-ORIG-GUID: trSbQ4TI09d3NRK9YNYXZEIhnRTw8tsi 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 adultscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=999 priorityscore=1501 spamscore=0 impostorscore=0 mlxscore=0 malwarescore=0 clxscore=1015 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310240000 definitions=main-2311070038 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: From: Can Guo Set the initial PHY gear to max HS gear for hosts with HW ver 5 and newer. This patch is not changing any functionalities or logic but only a preparation patch for the next patch in this series. Signed-off-by: Can Guo --- drivers/ufs/host/ufs-qcom.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 55ee31d..94d34b5 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1069,6 +1069,14 @@ static void ufs_qcom_set_host_params(struct ufs_hba *hba) /* This driver only supports symmetic gear setting i.e., hs_tx_gear == hs_rx_gear */ host_params->hs_tx_gear = host_params->hs_rx_gear = ufs_qcom_get_hs_gear(hba); + host->phy_gear = host_params->hs_tx_gear; + + /* + * Power up the PHY using the minimum supported gear (UFS_HS_G2). + * Switching to max gear will be performed during reinit if supported. + */ + if (host->hw_ver.major < 0x5) + host->phy_gear = UFS_HS_G2; } static void ufs_qcom_set_caps(struct ufs_hba *hba) @@ -1313,12 +1321,6 @@ static int ufs_qcom_init(struct ufs_hba *hba) dev_warn(dev, "%s: failed to configure the testbus %d\n", __func__, err); - /* - * Power up the PHY using the minimum supported gear (UFS_HS_G2). - * Switching to max gear will be performed during reinit if supported. - */ - host->phy_gear = UFS_HS_G2; - return 0; out_variant_clear: