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Tue, 27 Feb 2024 18:16:59 GMT Received: from hu-sibis-blr.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Tue, 27 Feb 2024 10:16:55 -0800 From: Sibi Sankar To: , , , , , , , CC: , , , , , Sibi Sankar Subject: [PATCH V3 1/2] cpufreq: Export cpufreq_update_pressure Date: Tue, 27 Feb 2024 23:46:31 +0530 Message-ID: <20240227181632.659133-2-quic_sibis@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240227181632.659133-1-quic_sibis@quicinc.com> References: <20240227181632.659133-1-quic_sibis@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: OKKZYQF4HsyUUVpDTKFWW-lj4JxdRgk3 X-Proofpoint-GUID: OKKZYQF4HsyUUVpDTKFWW-lj4JxdRgk3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-27_05,2024-02-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 adultscore=0 mlxlogscore=925 clxscore=1015 suspectscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 spamscore=0 malwarescore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2402120000 definitions=main-2402270141 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792077253149673832 X-GMAIL-MSGID: 1792077253149673832 The SCMI cpufreq driver doesn't require any additional signal smoothing provided by arch_update_hw_pressure interface, export cpufreq_update_pressure so that it can be called upon directly instead. Suggested-by: Lukasz Luba Signed-off-by: Sibi Sankar --- drivers/cpufreq/cpufreq.c | 3 ++- include/linux/cpufreq.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 76002aa3d12d..bdec2dfd77eb 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2573,7 +2573,7 @@ DEFINE_PER_CPU(unsigned long, cpufreq_pressure); * * Update the value of cpufreq pressure for all @cpus in the policy. */ -static void cpufreq_update_pressure(struct cpufreq_policy *policy) +void cpufreq_update_pressure(struct cpufreq_policy *policy) { unsigned long max_capacity, capped_freq, pressure; u32 max_freq; @@ -2598,6 +2598,7 @@ static void cpufreq_update_pressure(struct cpufreq_policy *policy) for_each_cpu(cpu, policy->related_cpus) WRITE_ONCE(per_cpu(cpufreq_pressure, cpu), pressure); } +EXPORT_SYMBOL(cpufreq_update_pressure); /** * cpufreq_set_policy - Modify cpufreq policy parameters. diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 414bfc976b30..957bf8e4ca0d 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -241,6 +241,7 @@ struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy); void cpufreq_enable_fast_switch(struct cpufreq_policy *policy); void cpufreq_disable_fast_switch(struct cpufreq_policy *policy); bool has_target_index(void); +void cpufreq_update_pressure(struct cpufreq_policy *policy); DECLARE_PER_CPU(unsigned long, cpufreq_pressure); static inline unsigned long cpufreq_get_pressure(int cpu) @@ -270,6 +271,7 @@ static inline bool cpufreq_supports_freq_invariance(void) } static inline void disable_cpufreq(void) { } static inline void cpufreq_update_limits(unsigned int cpu) { } +static inline void cpufreq_update_pressure(struct cpufreq_policy *policy) { } static inline unsigned long cpufreq_get_pressure(int cpu) { return 0;