From: Mario Limonciello (AMD) Date: Thu, 9 Oct 2025 16:17:56 +0000 (-0500) Subject: cpufreq/amd-pstate: Add static asserts for EPP indices X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=077f23573d29d063a950e90aa77c8e1f79580147;p=thirdparty%2Flinux.git cpufreq/amd-pstate: Add static asserts for EPP indices In case a new index is introduced add a static assert to make sure that strings and values are updated. Reviewed-by: Gautham R. Shenoy Signed-off-by: Mario Limonciello (AMD) --- diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index a0f21ac1205af..b3dad7cde46f0 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -110,6 +110,7 @@ enum energy_perf_value_index { EPP_INDEX_BALANCE_PERFORMANCE, EPP_INDEX_BALANCE_POWERSAVE, EPP_INDEX_POWERSAVE, + EPP_INDEX_MAX, }; static const char * const energy_perf_strings[] = { @@ -119,6 +120,7 @@ static const char * const energy_perf_strings[] = { [EPP_INDEX_BALANCE_POWERSAVE] = "balance_power", [EPP_INDEX_POWERSAVE] = "power", }; +static_assert(ARRAY_SIZE(energy_perf_strings) == EPP_INDEX_MAX); static unsigned int epp_values[] = { [EPP_INDEX_DEFAULT] = 0, @@ -127,6 +129,7 @@ static unsigned int epp_values[] = { [EPP_INDEX_BALANCE_POWERSAVE] = AMD_CPPC_EPP_BALANCE_POWERSAVE, [EPP_INDEX_POWERSAVE] = AMD_CPPC_EPP_POWERSAVE, }; +static_assert(ARRAY_SIZE(epp_values) == EPP_INDEX_MAX); typedef int (*cppc_mode_transition_fn)(int);