From patchwork Thu Jul 20 09:34:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nitin Rawat X-Patchwork-Id: 13320233 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 939E3EB64DD for ; Thu, 20 Jul 2023 09:40:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230163AbjGTJkA (ORCPT ); Thu, 20 Jul 2023 05:40:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230142AbjGTJjo (ORCPT ); Thu, 20 Jul 2023 05:39:44 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AAED82D53; Thu, 20 Jul 2023 02:35:17 -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 36K4Eate005080; Thu, 20 Jul 2023 09:34:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id; s=qcppdkim1; bh=rgB87VYg+qSX8naWX8H1W8jl5doCwBmeRMl7/YA3vig=; b=Gp6XBcf3XfzsAWPehRBsAZbjnvbjaZY+D7a9b0F48t3hh1i42G6JsdiDV6+E4n5itZ7Q MOA8DNp7kaPaN/8HKz17CxsmaW04aI4xy30MZkFVMQEILsjcmLMLkPrXK+KUD5Lm/wII /6Q/5FNQ4iE3PkcWpAKm1siX/Lgjdas6eBlnjnseJ1S7SzOkLxTetlUF9LR19FxYgp2I O91JMbNjuXS0q2bAAexwL8DX/KQ/FjXVrrJ78ehYJNSKqPjCNCpj4Mcul0H6J/LBQLJW RsnPZmmlw8GmJV8FszWW3T0ks2mWdb7g3eAc1+n93q7VQvCFCsAcV74RHDBZsNlIvzPH fQ== 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 3rxup4gru0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Jul 2023 09:34:54 +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 36K9YpEx029166; Thu, 20 Jul 2023 09:34:51 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 3rumhm8sj6-1; Thu, 20 Jul 2023 09:34:51 +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 36K9YpiT029104; Thu, 20 Jul 2023 09:34:51 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 36K9YpJh028935; Thu, 20 Jul 2023 09:34:51 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 2342877) id 6A47863F16C; Thu, 20 Jul 2023 15:04:50 +0530 (+0530) From: Nitin Rawat To: mani@kernel.org, quic_cang@quicinc.com, stanley.chu@mediatek.com, bvanassche@acm.org, quic_asutoshd@quicinc.com, avri.altman@wdc.com, martin.petersen@oracle.com, beanhuo@micron.com, konrad.dybcio@linaro.org Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, agross@kernel.org, andersson@kernel.org, jejb@linux.ibm.com, linux-arm-msm@vger.kernel.org, quic_ziqichen@quicinc.com, Nitin Rawat Subject: [PATCH V3] scsi: ufs: ufs-qcom: Change UFS devfreq timer to delayed Date: Thu, 20 Jul 2023 15:04:46 +0530 Message-Id: <20230720093446.30697-1-quic_nitirawa@quicinc.com> X-Mailer: git-send-email 2.17.1 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: 6Yh8Leu9ip2O3oF0fERLemcjLrw0oAbt X-Proofpoint-ORIG-GUID: 6Yh8Leu9ip2O3oF0fERLemcjLrw0oAbt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-20_03,2023-07-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 mlxscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307200079 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Devfreq uses the default DEVFREQ_TIMER_DEFERRABLE mode which uses the deferred timer for scheduling the devfreq load monitor function. This causes the load monitoring to be done only with non-idle CPUs and not making use of the idle CPUs. Hence, use the DEVFREQ_TIMER_DELAYED mode which uses the delayed timer thereby making use of idle CPUs as well for load monitoring. Signed-off-by: Asutosh Das Signed-off-by: Nitin Rawat --- changes from v2: - Modified commit message as per mani's suggestion - removed threshold change Changes from v1: - Realigned the commit text drivers/ufs/host/ufs-qcom.c | 1 + 1 file changed, 1 insertion(+) -- 2.17.1 diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index df9161cb9825..07e5050dae77 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1619,6 +1619,7 @@ static void ufs_qcom_config_scaling_param(struct ufs_hba *hba, struct devfreq_simple_ondemand_data *d) { p->polling_ms = 60; + p->timer = DEVFREQ_TIMER_DELAYED; d->upthreshold = 70; d->downdifferential = 5; }