Re: [RFC PATCH 1/4] cpufreq/amd-pstate: Document missing kernel-doc members

From: Mario Limonciello

Date: Tue Jul 28 2026 - 11:27:23 EST




On 7/28/26 02:31, David Vernet wrote:
kernel-doc warns about five undescribed members in amd-pstate.h:
union perf_cached's @val and struct amd_cpudata's @raw_epp,
@current_profile, @ppdev and @profile_name. Describe them.

Signed-off-by: David Vernet <void@xxxxxxxxxxxxx>
---
drivers/cpufreq/amd-pstate.h | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/cpufreq/amd-pstate.h b/drivers/cpufreq/amd-pstate.h
index 23e8baa05849..99532595150e 100644
--- a/drivers/cpufreq/amd-pstate.h
+++ b/drivers/cpufreq/amd-pstate.h
@@ -32,6 +32,7 @@
* @min_limit_perf: Cached value of the performance corresponding to policy->min
* @max_limit_perf: Cached value of the performance corresponding to policy->max
* @bios_min_perf: Cached perf value corresponding to the "Requested CPU Min Frequency" BIOS option
+ * @val: Raw 64-bit value for atomic access via READ_ONCE()/WRITE_ONCE()
*/
union perf_cached {
struct {
@@ -89,7 +90,12 @@ struct amd_aperf_mperf {
* @epp_default_ac: Default EPP value for AC power source
* @epp_default_dc: Default EPP value for DC power source
* @dynamic_epp: Whether dynamic EPP is enabled
+ * @raw_epp: Whether the last EPP write was a raw numeric value rather than a
+ * named preference
* @power_nb: Notifier block for power events
+ * @current_profile: Currently selected platform profile option
+ * @ppdev: Device registered with the platform profile handler
+ * @profile_name: Name under which @ppdev is registered
*
* The amd_cpudata is key private data for each CPU thread in AMD P-State, and
* represents all the attributes and goals that AMD P-State requests at runtime.

Thanks!

This is a pure doc fix. I'll pick it up from the series to include in my 7.3 PR later this week.

Acked-by: Mario Limonciello (AMD) <superm1@xxxxxxxxxx>