[PATCH v2 06/11] cpufreq: scmi: Avoid one OF parsing in scmi_get_sharing_cpus()

Ulf Hansson ulf.hansson at linaro.org
Thu Jul 13 07:17:33 PDT 2023


The domain-id for the cpu_dev has already been parsed at the point when
scmi_get_sharing_cpus() is getting called. Let's pass it as an in-parameter
to avoid the unnecessary OF parsing.

Signed-off-by: Ulf Hansson <ulf.hansson at linaro.org>
---

Changes in v2:
	- None.

---
 drivers/cpufreq/scmi-cpufreq.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index 125e8a8421fb..78f53e388094 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -82,15 +82,12 @@ static int scmi_cpu_domain_id(struct device *cpu_dev)
 }
 
 static int
-scmi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
+scmi_get_sharing_cpus(struct device *cpu_dev, int domain,
+		      struct cpumask *cpumask)
 {
-	int cpu, domain, tdomain;
+	int cpu, tdomain;
 	struct device *tcpu_dev;
 
-	domain = scmi_cpu_domain_id(cpu_dev);
-	if (domain < 0)
-		return domain;
-
 	for_each_possible_cpu(cpu) {
 		if (cpu == cpu_dev->id)
 			continue;
@@ -163,7 +160,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
 	}
 
 	/* Obtain CPUs that share SCMI performance controls */
-	ret = scmi_get_sharing_cpus(cpu_dev, policy->cpus);
+	ret = scmi_get_sharing_cpus(cpu_dev, domain, policy->cpus);
 	if (ret) {
 		dev_warn(cpu_dev, "failed to get sharing cpumask\n");
 		goto out_free_cpumask;
-- 
2.34.1




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