cpufreq: CPPC: Fix unused-function warning
Building the cppc_cpufreq driver with for arm64 with CONFIG_ENERGY_MODEL=n triggers the following warnings: drivers/cpufreq/cppc_cpufreq.c:550:12: error: ‘cppc_get_cpu_cost’ defined but not used [-Werror=unused-function] 550 | static int cppc_get_cpu_cost(struct device *cpu_dev, unsigned long KHz, | ^~~~~~~~~~~~~~~~~ drivers/cpufreq/cppc_cpufreq.c:481:12: error: ‘cppc_get_cpu_power’ defined but not used [-Werror=unused-function] 481 | static int cppc_get_cpu_power(struct device *cpu_dev, | ^~~~~~~~~~~~~~~~~~ Move the Energy Model related functions into specific guards. This allows to fix the warning and prevent doing extra work when the Energy Model is not present. Fixes: 740fcdc2 ("cpufreq: CPPC: Register EM based on efficiency class information") Reported-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Signed-off-by: Pierre Gondois <pierre.gondois@arm.com> Tested-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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