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[94.254.63.18]) by smtp.gmail.com with ESMTPSA id g7-20020ac25387000000b004fb7ac67bbdsm259164lfh.41.2023.08.25.04.26.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Aug 2023 04:26:55 -0700 (PDT) From: Ulf Hansson To: Sudeep Holla , Cristian Marussi , Viresh Kumar , Nishanth Menon , Stephen Boyd Cc: Nikunj Kela , Prasad Sodagudi , Alexandre Torgue , Ulf Hansson , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 03/13] cpufreq: scmi: Prepare to move OF parsing of domain-id to cpufreq Date: Fri, 25 Aug 2023 13:26:23 +0200 Message-Id: <20230825112633.236607-4-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230825112633.236607-1-ulf.hansson@linaro.org> References: <20230825112633.236607-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The OF parsing of the clock domain specifier seems to better belong in the scmi cpufreq driver, rather than being implemented behind the generic ->device_domain_id() perf protocol ops. To prepare to remove the ->device_domain_id() ops, let's implement the OF parsing in the scmi cpufreq driver instead. Signed-off-by: Ulf Hansson Acked-by: Viresh Kumar --- Changes in v3: - Re-based. --- drivers/cpufreq/scmi-cpufreq.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index f34e6382a4c5..7d05d48c0337 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -70,13 +70,24 @@ static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy, return 0; } +static int scmi_cpu_domain_id(struct device *cpu_dev) +{ + struct of_phandle_args clkspec; + + if (of_parse_phandle_with_args(cpu_dev->of_node, "clocks", + "#clock-cells", 0, &clkspec)) + return -EINVAL; + + return clkspec.args[0]; +} + static int scmi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) { int cpu, domain, tdomain; struct device *tcpu_dev; - domain = perf_ops->device_domain_id(cpu_dev); + domain = scmi_cpu_domain_id(cpu_dev); if (domain < 0) return domain; @@ -88,7 +99,7 @@ scmi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) if (!tcpu_dev) continue; - tdomain = perf_ops->device_domain_id(tcpu_dev); + tdomain = scmi_cpu_domain_id(tcpu_dev); if (tdomain == domain) cpumask_set_cpu(cpu, cpumask); } @@ -104,7 +115,7 @@ scmi_get_cpu_power(struct device *cpu_dev, unsigned long *power, unsigned long Hz; int ret, domain; - domain = perf_ops->device_domain_id(cpu_dev); + domain = scmi_cpu_domain_id(cpu_dev); if (domain < 0) return domain; @@ -209,7 +220,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) } priv->cpu_dev = cpu_dev; - priv->domain_id = perf_ops->device_domain_id(cpu_dev); + priv->domain_id = scmi_cpu_domain_id(cpu_dev); policy->driver_data = priv; policy->freq_table = freq_table;