drm/lima: Unconditionally call dev_pm_opp_of_remove_table()

dev_pm_opp_of_remove_table() doesn't report any errors when it fails to
find the OPP table with error -ENODEV (i.e. OPP table not present for
the device). And we can call dev_pm_opp_of_remove_table()
unconditionally here.
Reviewed-by: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c995335d16d8b4b4ff47b1273869c33e14782b32.1603867405.git.viresh.kumar@linaro.org

drivers/gpu/drm/lima/lima_devfreq.c

@@ -100,10 +100,7 @@ void lima_devfreq_fini(struct lima_device *ldev)
 		devfreq->devfreq = NULL;
 	}
 
-	if (devfreq->opp_of_table_added) {
-		dev_pm_opp_of_remove_table(ldev->dev);
-		devfreq->opp_of_table_added = false;
-	}
+	dev_pm_opp_of_remove_table(ldev->dev);
 
 	if (devfreq->regulators_opp_table) {
 		dev_pm_opp_put_regulators(devfreq->regulators_opp_table);
@@ -157,7 +154,6 @@ int lima_devfreq_init(struct lima_device *ldev)
 	ret = dev_pm_opp_of_add_table(dev);
 	if (ret)
 		goto err_fini;
-	ldevfreq->opp_of_table_added = true;
 
 	lima_devfreq_reset(ldevfreq);
 

drivers/gpu/drm/lima/lima_devfreq.h

@@ -18,7 +18,6 @@ struct lima_devfreq {
 	struct opp_table *clkname_opp_table;
 	struct opp_table *regulators_opp_table;
 	struct thermal_cooling_device *cooling;
-	bool opp_of_table_added;
 
 	ktime_t busy_time;
 	ktime_t idle_time;