diff options
| author | Lifeng Zheng <zhenglifeng1@huawei.com> | 2025-05-26 14:30:56 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-06-18 22:03:52 +0300 |
| commit | 3d5978ea6cbc4df192d0ea1800ef5d55b28b965e (patch) | |
| tree | 1fbf14a550532bfcdc2f2227fc8a8dfc74cd1702 /drivers/cpufreq/cppc_cpufreq.c | |
| parent | d80a75624051b817043431f847470fb4680f2582 (diff) | |
| download | linux-3d5978ea6cbc4df192d0ea1800ef5d55b28b965e.tar.xz | |
cpufreq: CPPC: Do not return a value from populate_efficiency_class()
The return value of populate_efficiency_class() is never needed and the
result of it doesn't affect the initialization of cppc_cpufreq.
It makes more sense to change it into a void function.
Signed-off-by: Lifeng Zheng <zhenglifeng1@huawei.com>
Link: https://patch.msgid.link/20250526113057.3086513-3-zhenglifeng1@huawei.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/cppc_cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cppc_cpufreq.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c index f3b5ea9fcbf5..c2be4b188a23 100644 --- a/drivers/cpufreq/cppc_cpufreq.c +++ b/drivers/cpufreq/cppc_cpufreq.c @@ -480,7 +480,7 @@ static int cppc_get_cpu_cost(struct device *cpu_dev, unsigned long KHz, return 0; } -static int populate_efficiency_class(void) +static void populate_efficiency_class(void) { struct acpi_madt_generic_interrupt *gicc; DECLARE_BITMAP(used_classes, 256) = {}; @@ -495,7 +495,7 @@ static int populate_efficiency_class(void) if (bitmap_weight(used_classes, 256) <= 1) { pr_debug("Efficiency classes are all equal (=%d). " "No EM registered", class); - return -EINVAL; + return; } /* @@ -512,8 +512,6 @@ static int populate_efficiency_class(void) index++; } cppc_cpufreq_driver.register_em = cppc_cpufreq_register_em; - - return 0; } static void cppc_cpufreq_register_em(struct cpufreq_policy *policy) @@ -529,9 +527,8 @@ static void cppc_cpufreq_register_em(struct cpufreq_policy *policy) } #else -static int populate_efficiency_class(void) +static void populate_efficiency_class(void) { - return 0; } #endif |