cpuidle: menu: Remove single state handling
authorChristian Loehle <christian.loehle@arm.com>
Mon, 16 Feb 2026 18:50:05 +0000 (00:20 +0530)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Tue, 17 Feb 2026 14:49:53 +0000 (15:49 +0100)
cpuidle systems where the governor has no choice because there's only
a single idle state are now handled by cpuidle core and bypass the
governor, so remove the related handling.

Signed-off-by: Christian Loehle <christian.loehle@arm.com>
[ rjw: Rebase on top of the cpuidle changes merged recently ]
Link: https://patch.msgid.link/20260216185005.1131593-5-aboorvad@linux.ibm.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/cpuidle/governors/menu.c

index c605205..899ff16 100644 (file)
@@ -281,7 +281,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
                data->bucket = BUCKETS - 1;
        }
 
-       if (drv->state_count <= 1 || latency_req == 0 ||
+       if (latency_req == 0 ||
            ((data->next_timer_ns < drv->states[1].target_residency_ns ||
              latency_req < drv->states[1].exit_latency_ns) &&
             !dev->states_usage[0].disable)) {