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Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm

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Pull ARM cpufreq updates for 5.16-rc1 from Viresh Kumar:

"- Fix tegra driver to handle BPMP errors properly (Mikko Perttunen).

 - Fix the parameter usage of the newly added perf-domain API (Hector
   Yuan).

 - Minor cleanups to cppc, vexpress and s3c244x drivers (Han Wang,
   Guenter Roeck, and Arnd Bergmann)."

* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  cpufreq: Fix parameter in parse_perf_domain()
  cpufreq: tegra186/tegra194: Handle errors in BPMP response
  cpufreq: remove useless INIT_LIST_HEAD()
  cpufreq: s3c244x: add fallthrough comments for switch
  cpufreq: vexpress: Drop unused variable
This commit is contained in:
Rafael J. Wysocki 2021-11-02 17:55:31 +01:00
commit 19ea8a0dd4
5 changed files with 14 additions and 4 deletions
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2
drivers/cpufreq/cppc_cpufreq.c
View file

@ -741,8 +741,6 @@ static int __init cppc_cpufreq_init(void)
if ((acpi_disabled) || !acpi_cpc_valid())
return -ENODEV;
INIT_LIST_HEAD(&cpu_data_list);
cppc_check_hisi_workaround();
cppc_freq_invariance_init();

2
drivers/cpufreq/s3c2440-cpufreq.c
View file

@ -173,12 +173,14 @@ static void s3c2440_cpufreq_setdivs(struct s3c_cpufreq_config *cfg)
case 6:
camdiv |= S3C2440_CAMDIVN_HCLK3_HALF;
fallthrough;
case 3:
clkdiv |= S3C2440_CLKDIVN_HDIVN_3_6;
break;
case 8:
camdiv |= S3C2440_CAMDIVN_HCLK4_HALF;
fallthrough;
case 4:
clkdiv |= S3C2440_CLKDIVN_HDIVN_4_8;
break;

4
drivers/cpufreq/tegra186-cpufreq.c
View file

@ -159,6 +159,10 @@ static struct cpufreq_frequency_table *init_vhint_table(
table = ERR_PTR(err);
goto free;
}
if (msg.rx.ret) {
table = ERR_PTR(-EINVAL);
goto free;
}
for (i = data->vfloor; i <= data->vceil; i++) {
u16 ndiv = data->ndiv[i];

8
drivers/cpufreq/tegra194-cpufreq.c
View file

@ -242,7 +242,7 @@ static int tegra194_cpufreq_init(struct cpufreq_policy *policy)
smp_call_function_single(policy->cpu, get_cpu_cluster, &cl, true);
if (cl >= data->num_clusters)
if (cl >= data->num_clusters || !data->tables[cl])
return -EINVAL;
/* set same policy for all cpus in a cluster */
@ -310,6 +310,12 @@ init_freq_table(struct platform_device *pdev, struct tegra_bpmp *bpmp,
err = tegra_bpmp_transfer(bpmp, &msg);
if (err)
return ERR_PTR(err);
if (msg.rx.ret == -BPMP_EINVAL) {
/* Cluster not available */
return NULL;
}
if (msg.rx.ret)
return ERR_PTR(-EINVAL);
/*
* Make sure frequency table step is a multiple of mdiv to match

2
include/linux/cpufreq.h
View file

@ -1041,7 +1041,7 @@ static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_
if (cpu == pcpu)
continue;
ret = parse_perf_domain(pcpu, list_name, cell_name);
ret = parse_perf_domain(cpu, list_name, cell_name);
if (ret < 0)
continue;