From patchwork Wed Aug 23 15:44:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nitin Rawat X-Patchwork-Id: 13362795 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 73E20EE49B6 for ; Wed, 23 Aug 2023 15:44:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235631AbjHWPo3 (ORCPT ); Wed, 23 Aug 2023 11:44:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55494 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232357AbjHWPo2 (ORCPT ); Wed, 23 Aug 2023 11:44:28 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A1C2E71; Wed, 23 Aug 2023 08:44:26 -0700 (PDT) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37NBrd7C015705; Wed, 23 Aug 2023 15:44:21 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=D6bHKDZ9QMKDyv2gadC3pzjbGIfbRCN+evpDghxX9DQ=; b=Po182Og9BpLx6kgexaknMI1DKbNkSaF6g+JpAJJForMwx8V/N5vm0P8jOHHEY9qGiLnc 6xNDb6ZdAzTGQuncDCbH9HUeZj1oVkZrRn0k2WziCrUaVsRqs9qye7ou1ltUbn8tiOC+ TUD5tDmlbeI3OCUWa0TZh1ce2Cn4ewN/Nu2t1g3ghk+2TEktF/UbXm/tDG52azQrQnPx arXqj9LcrXAzaaSNEphpuSsnOGf8rUS40a2Y3NKukLkMpTZMpzjX8mXYJRX5w457vh0h eb9jEliwx5kUvmax2IwgXR9A7ev30crdy0dc3zUQLqEOc3qRpYSiTnixFCR8bEYuSNsJ Bg== Received: from apblrppmta01.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3sn3tqj65h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 23 Aug 2023 15:44:21 +0000 Received: from pps.filterd (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 37NFiGuk029184; Wed, 23 Aug 2023 15:44:18 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 3sjptm3qe3-1; Wed, 23 Aug 2023 15:44:18 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 37NFiHTt029212; Wed, 23 Aug 2023 15:44:18 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-nitirawa-hyd.qualcomm.com [10.213.109.152]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 37NFiHDb029207; Wed, 23 Aug 2023 15:44:18 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 2342877) id 2F0375000AB; Wed, 23 Aug 2023 21:14:17 +0530 (+0530) From: Nitin Rawat To: mani@kernel.org, agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, jejb@linux.ibm.com, martin.petersen@oracle.com Cc: quic_cang@quicinc.com, quic_nguyenb@quicinc.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nitin Rawat , Naveen Kumar Goud Arepalli Subject: [PATCH V5 4/6] scsi: ufs: qcom: Align unipro clk attributes as per Hardware specification Date: Wed, 23 Aug 2023 21:14:11 +0530 Message-Id: <20230823154413.23788-5-quic_nitirawa@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230823154413.23788-1-quic_nitirawa@quicinc.com> References: <20230823154413.23788-1-quic_nitirawa@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: sNlmSZy_WwPCdNgGtyC6j7UJLvO80NtF X-Proofpoint-ORIG-GUID: sNlmSZy_WwPCdNgGtyC6j7UJLvO80NtF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-23_09,2023-08-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 bulkscore=0 spamscore=0 phishscore=0 mlxscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 mlxlogscore=970 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308230142 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Currently CORE_CLK_1US_CYCLES, PA_VS_CORE_CLK_40NS_CYCLES are configured in clk scaling post change ops. Move this to clk scaling pre change ops to align with the hardware specification. Co-developed-by: Naveen Kumar Goud Arepalli Signed-off-by: Naveen Kumar Goud Arepalli Signed-off-by: Nitin Rawat --- drivers/ufs/host/ufs-qcom.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) -- 2.17.1 diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 8162b19191a9..491c0173603e 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1399,12 +1399,6 @@ static int ufs_qcom_set_core_clk_ctrl(struct ufs_hba *hba, } static int ufs_qcom_clk_scale_up_pre_change(struct ufs_hba *hba) -{ - /* nothing to do as of now */ - return 0; -} - -static int ufs_qcom_clk_scale_up_post_change(struct ufs_hba *hba) { struct ufs_qcom_host *host = ufshcd_get_variant(hba); @@ -1414,6 +1408,11 @@ static int ufs_qcom_clk_scale_up_post_change(struct ufs_hba *hba) return ufs_qcom_cfg_core_clk_ctrl(hba); } +static int ufs_qcom_clk_scale_up_post_change(struct ufs_hba *hba) +{ + return 0; +} + static int ufs_qcom_clk_scale_down_pre_change(struct ufs_hba *hba) { struct ufs_qcom_host *host = ufshcd_get_variant(hba);