[PATCH v2] cpufreq: apple-soc: Fix OPP table cleanup
From: Haoxiang Li
Date: Tue Jun 23 2026 - 23:39:05 EST
dev_pm_opp_of_add_table() adds the DT OPP table but not all failure
paths remove it. The driver also uses dev_pm_opp_remove_all_dynamic(),
which is not the right cleanup helper for OPPs loaded from firmware.
Remove the DT OPP table with dev_pm_opp_of_remove_table() on init
failure paths and from apple_soc_cpufreq_exit().
Signed-off-by: Haoxiang Li <haoxiang_li2024@xxxxxxx>
---
Changes in v2:
- Remove unnecessary cleanup calls.
- Remove OPP table from apple_soc_cpufreq_exit(). Thanks, Viresh!
---
drivers/cpufreq/apple-soc-cpufreq.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/cpufreq/apple-soc-cpufreq.c b/drivers/cpufreq/apple-soc-cpufreq.c
index 638e5bf72185..977d56fc4fa0 100644
--- a/drivers/cpufreq/apple-soc-cpufreq.c
+++ b/drivers/cpufreq/apple-soc-cpufreq.c
@@ -258,7 +258,7 @@ static int apple_soc_cpufreq_init(struct cpufreq_policy *policy)
ret = apple_soc_cpufreq_find_cluster(policy, ®_base, &info);
if (ret) {
dev_err(cpu_dev, "%s: failed to get cluster info: %d\n", __func__, ret);
- return ret;
+ goto out_remove_opp_table;
}
ret = dev_pm_opp_set_sharing_cpus(cpu_dev, policy->cpus);
@@ -271,13 +271,13 @@ static int apple_soc_cpufreq_init(struct cpufreq_policy *policy)
if (ret <= 0) {
dev_dbg(cpu_dev, "OPP table is not ready, deferring probe\n");
ret = -EPROBE_DEFER;
- goto out_free_opp;
+ goto out_iounmap;
}
priv = kzalloc_obj(*priv);
if (!priv) {
ret = -ENOMEM;
- goto out_free_opp;
+ goto out_iounmap;
}
ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table);
@@ -320,10 +320,10 @@ static int apple_soc_cpufreq_init(struct cpufreq_policy *policy)
dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
out_free_priv:
kfree(priv);
-out_free_opp:
- dev_pm_opp_remove_all_dynamic(cpu_dev);
out_iounmap:
iounmap(reg_base);
+out_remove_opp_table:
+ dev_pm_opp_of_remove_table(cpu_dev);
return ret;
}
@@ -332,7 +332,7 @@ static void apple_soc_cpufreq_exit(struct cpufreq_policy *policy)
struct apple_cpu_priv *priv = policy->driver_data;
dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
- dev_pm_opp_remove_all_dynamic(priv->cpu_dev);
+ dev_pm_opp_of_remove_table(priv->cpu_dev);
iounmap(priv->reg_base);
kfree(priv);
}
--
2.25.1