1 files changed, 11 insertions, 129 deletions

diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/base.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/base.c
index 9fb0f9b92d49..d422acc9af15 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/base.c
@@ -102,135 +102,19 @@ nouveau_gpio_get(struct nouveau_gpio *gpio, int idx, u8 tag, u8 line)
 	return ret;
 }
 
-static int
-nouveau_gpio_irq(struct nouveau_gpio *gpio, int idx, u8 tag, u8 line, bool on)
-{
-	struct dcb_gpio_func func;
-	int ret;
-
-	ret = nouveau_gpio_find(gpio, idx, tag, line, &func);
-	if (ret == 0) {
-		if (idx == 0 && gpio->irq_enable)
-			gpio->irq_enable(gpio, func.line, on);
-		else
-			ret = -ENODEV;
-	}
-
-	return ret;
-}
-
-struct gpio_isr {
-	struct nouveau_gpio *gpio;
-	struct list_head head;
-	struct work_struct work;
-	int idx;
-	struct dcb_gpio_func func;
-	void (*handler)(void *, int);
-	void *data;
-	bool inhibit;
-};
-
-static void
-nouveau_gpio_isr_bh(struct work_struct *work)
-{
-	struct gpio_isr *isr = container_of(work, struct gpio_isr, work);
-	struct nouveau_gpio *gpio = isr->gpio;
-	unsigned long flags;
-	int state;
-
-	state = nouveau_gpio_get(gpio, isr->idx, isr->func.func,
-						 isr->func.line);
-	if (state >= 0)
-		isr->handler(isr->data, state);
-
-	spin_lock_irqsave(&gpio->lock, flags);
-	isr->inhibit = false;
-	spin_unlock_irqrestore(&gpio->lock, flags);
-}
-
-static void
-nouveau_gpio_isr_run(struct nouveau_gpio *gpio, int idx, u32 line_mask)
-{
-	struct gpio_isr *isr;
-
-	if (idx != 0)
-		return;
-
-	spin_lock(&gpio->lock);
-	list_for_each_entry(isr, &gpio->isr, head) {
-		if (line_mask & (1 << isr->func.line)) {
-			if (isr->inhibit)
-				continue;
-			isr->inhibit = true;
-			schedule_work(&isr->work);
-		}
-	}
-	spin_unlock(&gpio->lock);
-}
-
-static int
-nouveau_gpio_isr_add(struct nouveau_gpio *gpio, int idx, u8 tag, u8 line,
-		     void (*handler)(void *, int), void *data)
-{
-	struct gpio_isr *isr;
-	unsigned long flags;
-	int ret;
-
-	isr = kzalloc(sizeof(*isr), GFP_KERNEL);
-	if (!isr)
-		return -ENOMEM;
-
-	ret = nouveau_gpio_find(gpio, idx, tag, line, &isr->func);
-	if (ret) {
-		kfree(isr);
-		return ret;
-	}
-
-	INIT_WORK(&isr->work, nouveau_gpio_isr_bh);
-	isr->gpio = gpio;
-	isr->handler = handler;
-	isr->data = data;
-	isr->idx = idx;
-
-	spin_lock_irqsave(&gpio->lock, flags);
-	list_add(&isr->head, &gpio->isr);
-	spin_unlock_irqrestore(&gpio->lock, flags);
-	return 0;
-}
-
-static void
-nouveau_gpio_isr_del(struct nouveau_gpio *gpio, int idx, u8 tag, u8 line,
-		     void (*handler)(void *, int), void *data)
+void
+_nouveau_gpio_dtor(struct nouveau_object *object)
 {
-	struct gpio_isr *isr, *tmp;
-	struct dcb_gpio_func func;
-	unsigned long flags;
-	LIST_HEAD(tofree);
-	int ret;
-
-	ret = nouveau_gpio_find(gpio, idx, tag, line, &func);
-	if (ret == 0) {
-		spin_lock_irqsave(&gpio->lock, flags);
-		list_for_each_entry_safe(isr, tmp, &gpio->isr, head) {
-			if (memcmp(&isr->func, &func, sizeof(func)) ||
-			    isr->idx != idx ||
-			    isr->handler != handler || isr->data != data)
-				continue;
-			list_move_tail(&isr->head, &tofree);
-		}
-		spin_unlock_irqrestore(&gpio->lock, flags);
-
-		list_for_each_entry_safe(isr, tmp, &tofree, head) {
-			flush_work(&isr->work);
-			kfree(isr);
-		}
-	}
+	struct nouveau_gpio *gpio = (void *)object;
+	nouveau_event_destroy(&gpio->events);
+	nouveau_subdev_destroy(&gpio->base);
 }
 
 int
 nouveau_gpio_create_(struct nouveau_object *parent,
 		     struct nouveau_object *engine,
-		     struct nouveau_oclass *oclass, int length, void **pobject)
+		     struct nouveau_oclass *oclass, int lines,
+		     int length, void **pobject)
 {
 	struct nouveau_gpio *gpio;
 	int ret;
@@ -241,15 +125,13 @@ nouveau_gpio_create_(struct nouveau_object *parent,
 	if (ret)
 		return ret;
 
+	ret = nouveau_event_create(lines, &gpio->events);
+	if (ret)
+		return ret;
+
 	gpio->find = nouveau_gpio_find;
 	gpio->set  = nouveau_gpio_set;
 	gpio->get  = nouveau_gpio_get;
-	gpio->irq  = nouveau_gpio_irq;
-	gpio->isr_run = nouveau_gpio_isr_run;
-	gpio->isr_add = nouveau_gpio_isr_add;
-	gpio->isr_del = nouveau_gpio_isr_del;
-	INIT_LIST_HEAD(&gpio->isr);
-	spin_lock_init(&gpio->lock);
 	return 0;
 }