PM / Domains: remove old power on/off latencies

Now that all known users have been converted to use state latencies,
we can remove the latency field in the generic_pm_domain structure.

Signed-off-by: Axel Haslam <ahaslam+renesas@baylibre.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/base/power/domain.c

@@ -1523,14 +1523,8 @@ void pm_genpd_init(struct generic_pm_domain *genpd,
 	}
 
 	/* Use only one "off" state if there were no states declared */
-	if (genpd->state_count == 0) {
-		genpd->states[0].power_on_latency_ns =
-					genpd->power_on_latency_ns;
-		genpd->states[0].power_off_latency_ns =
-					genpd->power_off_latency_ns;
-
+	if (genpd->state_count == 0)
 		genpd->state_count = 1;
-	}
 
 	mutex_lock(&gpd_list_lock);
 	list_add(&genpd->gpd_list_node, &gpd_list);

include/linux/pm_domain.h

@@ -61,9 +61,7 @@ struct generic_pm_domain {
 	unsigned int prepared_count;	/* Suspend counter of prepared devices */
 	bool suspend_power_off;	/* Power status before system suspend */
 	int (*power_off)(struct generic_pm_domain *domain);
-	s64 power_off_latency_ns;
 	int (*power_on)(struct generic_pm_domain *domain);
-	s64 power_on_latency_ns;
 	struct gpd_dev_ops dev_ops;
 	s64 max_off_time_ns;	/* Maximum allowed "suspended" time. */
 	bool max_off_time_changed;