drm/nouveau/tmr: remove nvkm_timer_alarm_cancel()

nvkm_timer_alarm() already handles this as part of protecting against
callers passing in no timeout value.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h

@@ -26,7 +26,6 @@ struct nvkm_timer {
 
 u64 nvkm_timer_read(struct nvkm_timer *);
 void nvkm_timer_alarm(struct nvkm_timer *, u32 nsec, struct nvkm_alarm *);
-void nvkm_timer_alarm_cancel(struct nvkm_timer *, struct nvkm_alarm *);
 
 /* Delay based on GPU time (ie. PTIMER).
  *

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c

@@ -158,7 +158,7 @@ static void
 gk20a_pmu_fini(struct nvkm_pmu *pmu)
 {
 	struct gk20a_pmu *gpmu = gk20a_pmu(pmu);
-	nvkm_timer_alarm_cancel(pmu->subdev.device->timer, &gpmu->alarm);
+	nvkm_timer_alarm(pmu->subdev.device->timer, 0, &gpmu->alarm);
 
 	nvkm_falcon_put(pmu->falcon, &pmu->subdev);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c

@@ -116,7 +116,7 @@ nvkm_therm_update(struct nvkm_therm *therm, int mode)
 
 	switch (mode) {
 	case NVKM_THERM_CTRL_MANUAL:
-		nvkm_timer_alarm_cancel(tmr, &therm->alarm);
+		nvkm_timer_alarm(tmr, 0, &therm->alarm);
 		duty = nvkm_therm_fan_get(therm);
 		if (duty < 0)
 			duty = 100;
@@ -142,7 +142,7 @@ nvkm_therm_update(struct nvkm_therm *therm, int mode)
 		break;
 	case NVKM_THERM_CTRL_NONE:
 	default:
-		nvkm_timer_alarm_cancel(tmr, &therm->alarm);
+		nvkm_timer_alarm(tmr, 0, &therm->alarm);
 		poll = false;
 	}
 

drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c

@@ -215,7 +215,7 @@ nvkm_therm_fan_fini(struct nvkm_therm *therm, bool suspend)
 {
 	struct nvkm_timer *tmr = therm->subdev.device->timer;
 	if (suspend)
-		nvkm_timer_alarm_cancel(tmr, &therm->fan->alarm);
+		nvkm_timer_alarm(tmr, 0, &therm->fan->alarm);
 	return 0;
 }
 

drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c

@@ -220,7 +220,7 @@ nvkm_therm_sensor_fini(struct nvkm_therm *therm, bool suspend)
 {
 	struct nvkm_timer *tmr = therm->subdev.device->timer;
 	if (suspend)
-		nvkm_timer_alarm_cancel(tmr, &therm->sensor.therm_poll_alarm);
+		nvkm_timer_alarm(tmr, 0, &therm->sensor.therm_poll_alarm);
 	return 0;
 }
 

drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c

@@ -105,15 +105,6 @@ nvkm_timer_alarm(struct nvkm_timer *tmr, u32 nsec, struct nvkm_alarm *alarm)
 	spin_unlock_irqrestore(&tmr->lock, flags);
 }
 
-void
-nvkm_timer_alarm_cancel(struct nvkm_timer *tmr, struct nvkm_alarm *alarm)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&tmr->lock, flags);
-	list_del_init(&alarm->head);
-	spin_unlock_irqrestore(&tmr->lock, flags);
-}
-
 static void
 nvkm_timer_intr(struct nvkm_subdev *subdev)
 {