cpuidle: dt: Clarify a comment and simplify code in dt_init_idle_driver()

The drv->state_count is assigned the total number of available states, so
let's make that clear.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c
index 448bc79..7ca3d7d 100644 (file)
--- a/drivers/cpuidle/dt_idle_states.c
+++ b/drivers/cpuidle/dt_idle_states.c
@@ -211,12 +211,9 @@ int dt_init_idle_driver(struct cpuidle_driver *drv,
        of_node_put(cpu_node);
        if (err)
                return err;
-       /*
-        * Update the driver state count only if some valid DT idle states
-        * were detected
-        */
-       if (i)
-               drv->state_count = state_idx;
+
+       /* Set the number of total supported idle states. */
+       drv->state_count = state_idx;
 
        /*
         * Return the number of present and valid DT idle states, which can