treewide: Convert new and leftover hrtimer_init() users

hrtimer_setup() takes the callback function pointer as argument and
initializes the timer completely.

Replace hrtimer_init() and the open coded initialization of
hrtimer::function with the new setup mechanism.

Coccinelle scripted cleanup.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

drivers/input/joystick/walkera0701.c

@@ -232,8 +232,7 @@ static void walkera0701_attach(struct parport *pp)
 		goto err_unregister_device;
 	}
 
-	hrtimer_init(&w->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	w->timer.function = timer_handler;
+	hrtimer_setup(&w->timer, timer_handler, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 
 	w->input_dev = input_allocate_device();
 	if (!w->input_dev) {

drivers/input/keyboard/gpio_keys.c

@@ -590,9 +590,8 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
 
 		INIT_DELAYED_WORK(&bdata->work, gpio_keys_gpio_work_func);
 
-		hrtimer_init(&bdata->debounce_timer,
-			     CLOCK_REALTIME, HRTIMER_MODE_REL);
-		bdata->debounce_timer.function = gpio_keys_debounce_timer;
+		hrtimer_setup(&bdata->debounce_timer, gpio_keys_debounce_timer,
+			      CLOCK_REALTIME, HRTIMER_MODE_REL);
 
 		isr = gpio_keys_gpio_isr;
 		irqflags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING;
@@ -628,9 +627,8 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
 		}
 
 		bdata->release_delay = button->debounce_interval;
-		hrtimer_init(&bdata->release_timer,
-			     CLOCK_REALTIME, HRTIMER_MODE_REL_HARD);
-		bdata->release_timer.function = gpio_keys_irq_timer;
+		hrtimer_setup(&bdata->release_timer, gpio_keys_irq_timer,
+			      CLOCK_REALTIME, HRTIMER_MODE_REL_HARD);
 
 		isr = gpio_keys_irq_isr;
 		irqflags = 0;

drivers/net/netdevsim/netdev.c

@@ -441,8 +441,8 @@ static enum hrtimer_restart nsim_napi_schedule(struct hrtimer *timer)
 
 static void nsim_rq_timer_init(struct nsim_rq *rq)
 {
-	hrtimer_init(&rq->napi_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	rq->napi_timer.function = nsim_napi_schedule;
+	hrtimer_setup(&rq->napi_timer, nsim_napi_schedule, CLOCK_MONOTONIC,
+		      HRTIMER_MODE_REL);
 }
 
 static void nsim_enable_napi(struct netdevsim *ns)

drivers/pps/generators/pps_gen_tio.c

@@ -227,8 +227,8 @@ static int pps_gen_tio_probe(struct platform_device *pdev)
 		return PTR_ERR(tio->base);
 
 	pps_tio_disable(tio);
-	hrtimer_init(&tio->timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
-	tio->timer.function = hrtimer_callback;
+	hrtimer_setup(&tio->timer, hrtimer_callback, CLOCK_REALTIME,
+		      HRTIMER_MODE_ABS);
 	spin_lock_init(&tio->lock);
 	platform_set_drvdata(pdev, &tio);