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authorMario Limonciello (AMD) <superm1@kernel.org>2025-10-09 11:17:56 -0500
committerMario Limonciello (AMD) <superm1@kernel.org>2025-11-10 23:35:20 -0600
commit077f23573d29d063a950e90aa77c8e1f79580147 (patch)
treea26bbaa46d1465a30a1339c57ba9f19f90dab05f
parente9d62ca86a5525a742742fe69e9aa316cfd4f471 (diff)
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 <gautham.shenoy@amd.com> Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
-rw-r--r--drivers/cpufreq/amd-pstate.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index a0f21ac1205a..b3dad7cde46f 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);