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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 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771932550345521329 X-GMAIL-MSGID: 1771932550345521329 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; }