diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2023-08-25 13:26:23 +0200 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2023-09-21 16:24:27 +0100 |
| commit | e336baa4193ecc788a06c0c4659e400bb53689b4 (patch) | |
| tree | b4930db0a66758e49b4e4428b2c8e06b011145f4 /drivers/cpufreq | |
| parent | 3d99ed60721bf2e108c8fc660775766057689a92 (diff) | |
| download | lwn-e336baa4193ecc788a06c0c4659e400bb53689b4.tar.gz lwn-e336baa4193ecc788a06c0c4659e400bb53689b4.zip | |
cpufreq: scmi: Prepare to move OF parsing of domain-id to cpufreq
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 <ulf.hansson@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20230825112633.236607-4-ulf.hansson@linaro.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/scmi-cpufreq.c | 19 |
1 files 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; |