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Thu, 28 Mar 2024 07:41:55 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; Thu, 28 Mar 2024 00:41:50 -0700 From: Sibi Sankar To: , , , , , , , CC: , , , , , Sibi Sankar Subject: [PATCH V4 1/2] cpufreq: Export cpufreq_update_pressure Date: Thu, 28 Mar 2024 13:11:30 +0530 Message-ID: <20240328074131.2839871-2-quic_sibis@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240328074131.2839871-1-quic_sibis@quicinc.com> References: <20240328074131.2839871-1-quic_sibis@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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-GUID: BZM9InMquIEwRtoy6xJDTrS08nxiFq-U X-Proofpoint-ORIG-GUID: BZM9InMquIEwRtoy6xJDTrS08nxiFq-U 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=2024-03-28_06,2024-03-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 adultscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 impostorscore=0 mlxlogscore=938 mlxscore=0 spamscore=0 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403210001 definitions=main-2403280048 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240328_004205_978257_ED45BE17 X-CRM114-Status: GOOD ( 13.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- v4: * Use EXPORT_SYMBOL_GPL instead. [Trilok] 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 1de8bd105934..656320554bb7 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2590,7 +2590,7 @@ 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; @@ -2615,6 +2615,7 @@ 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_GPL(cpufreq_update_pressure); /** * cpufreq_set_policy - Modify cpufreq policy parameters. diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 20f7e98ee8af..7410a1bade23 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;