From: Dominik Brodowski <linux@dominikbrodowski.net> mainline inclusion from mainline-v4.20-rc1 commit 5906056e52e9ee5e130d880443e83016f892b5dd category: feature bugzilla: https://bugzilla.openeuler.org/show_bug.cgi?id=44 CVE: NA ----------------------------------------------- While at it, add a few comments which config options #ifdef and #else statements refer to. Fixes: 86d333a8cc7f (cpufreq: intel_pstate: Add base_frequency attribute) Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> Reviewed-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/cpufreq/intel_pstate.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 290ebb5f65870..e076a688f542d 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -386,16 +386,11 @@ static int intel_pstate_get_cppc_guranteed(int cpu) return cppc_perf.guaranteed_perf; } -#else +#else /* CONFIG_ACPI_CPPC_LIB */ static void intel_pstate_set_itmt_prio(int cpu) { } - -static int intel_pstate_get_cppc_guranteed(int cpu) -{ - return -ENOTSUPP; -} -#endif +#endif /* CONFIG_ACPI_CPPC_LIB */ static void intel_pstate_init_acpi_perf_limits(struct cpufreq_policy *policy) { @@ -477,7 +472,7 @@ static void intel_pstate_exit_perf_limits(struct cpufreq_policy *policy) acpi_processor_unregister_performance(policy->cpu); } -#else +#else /* CONFIG_ACPI */ static inline void intel_pstate_init_acpi_perf_limits(struct cpufreq_policy *policy) { } @@ -490,7 +485,14 @@ static inline bool intel_pstate_acpi_pm_profile_server(void) { return false; } -#endif +#endif /* CONFIG_ACPI */ + +#ifndef CONFIG_ACPI_CPPC_LIB +static int intel_pstate_get_cppc_guranteed(int cpu) +{ + return -ENOTSUPP; +} +#endif /* CONFIG_ACPI_CPPC_LIB */ static inline void update_turbo_state(void) { -- 2.25.1