[PATCH v2 2/6] cpufreq/amd-pstate: Drop NULL value from amd_pstate_mode_string

Mario Limonciello (AMD)
2025-10-09T16:18:06Z

None of the users actually look for the NULL value. To avoid risk
of regression introducing a new value but forgetting to add a string
add a static assert to test AMD_PSTATE_MAX matches the array size.

Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
---
drivers/cpufreq/amd-pstate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 0bc5013448873..a5b9e5baf4234 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -65,8 +65,8 @@ static const char * const amd_pstate_mode_string[] = {
[AMD_PSTATE_PASSIVE] = "passive",
[AMD_PSTATE_ACTIVE] = "active",
[AMD_PSTATE_GUIDED] = "guided",
- NULL,
};
+static_assert(ARRAY_SIZE(amd_pstate_mode_string) == AMD_PSTATE_MAX);

const char *amd_pstate_get_mode_string(enum amd_pstate_mode mode)
{
--
2.43.0