5 files changed, 4 insertions, 196 deletions

diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c
index a4cf682dca65..0ee73a265545 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c
@@ -72,14 +72,6 @@ free_queue_irqs:
 	return err;
 }
 
-static int txgbe_request_gpio_irq(struct txgbe *txgbe)
-{
-	txgbe->gpio_irq = irq_find_mapping(txgbe->misc.domain, TXGBE_IRQ_GPIO);
-	return request_threaded_irq(txgbe->gpio_irq, NULL,
-				    txgbe_gpio_irq_handler,
-				    IRQF_ONESHOT, "txgbe-gpio-irq", txgbe);
-}
-
 static int txgbe_request_link_irq(struct txgbe *txgbe)
 {
 	txgbe->link_irq = irq_find_mapping(txgbe->misc.domain, TXGBE_IRQ_LINK);
@@ -149,11 +141,6 @@ static irqreturn_t txgbe_misc_irq_thread_fn(int irq, void *data)
 	u32 eicr;
 
 	eicr = wx_misc_isb(wx, WX_ISB_MISC);
-	if (eicr & TXGBE_PX_MISC_GPIO) {
-		sub_irq = irq_find_mapping(txgbe->misc.domain, TXGBE_IRQ_GPIO);
-		handle_nested_irq(sub_irq);
-		nhandled++;
-	}
 	if (eicr & (TXGBE_PX_MISC_ETH_LK | TXGBE_PX_MISC_ETH_LKDN |
 		    TXGBE_PX_MISC_ETH_AN)) {
 		sub_irq = irq_find_mapping(txgbe->misc.domain, TXGBE_IRQ_LINK);
@@ -179,7 +166,6 @@ static void txgbe_del_irq_domain(struct txgbe *txgbe)
 
 void txgbe_free_misc_irq(struct txgbe *txgbe)
 {
-	free_irq(txgbe->gpio_irq, txgbe);
 	free_irq(txgbe->link_irq, txgbe);
 	free_irq(txgbe->misc.irq, txgbe);
 	txgbe_del_irq_domain(txgbe);
@@ -191,7 +177,7 @@ int txgbe_setup_misc_irq(struct txgbe *txgbe)
 	struct wx *wx = txgbe->wx;
 	int hwirq, err;
 
-	txgbe->misc.nirqs = 2;
+	txgbe->misc.nirqs = 1;
 	txgbe->misc.domain = irq_domain_add_simple(NULL, txgbe->misc.nirqs, 0,
 						   &txgbe_misc_irq_domain_ops, txgbe);
 	if (!txgbe->misc.domain)
@@ -216,20 +202,14 @@ int txgbe_setup_misc_irq(struct txgbe *txgbe)
 	if (err)
 		goto del_misc_irq;
 
-	err = txgbe_request_gpio_irq(txgbe);
-	if (err)
-		goto free_msic_irq;
-
 	err = txgbe_request_link_irq(txgbe);
 	if (err)
-		goto free_gpio_irq;
+		goto free_msic_irq;
 
 	wx->misc_irq_domain = true;
 
 	return 0;
 
-free_gpio_irq:
-	free_irq(txgbe->gpio_irq, txgbe);
 free_msic_irq:
 	free_irq(txgbe->misc.irq, txgbe);
 del_misc_irq:
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index 93180225a6f1..f77450268036 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -82,7 +82,6 @@ static void txgbe_up_complete(struct wx *wx)
 {
 	struct net_device *netdev = wx->netdev;
 
-	txgbe_reinit_gpio_intr(wx);
 	wx_control_hw(wx, true);
 	wx_configure_vectors(wx);
 
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
index a0e4920b4761..a5e4fe6c31c5 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
@@ -358,169 +358,8 @@ static int txgbe_gpio_direction_out(struct gpio_chip *chip, unsigned int offset,
 	return 0;
 }
 
-static void txgbe_gpio_irq_ack(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	irq_hw_number_t hwirq = irqd_to_hwirq(d);
-	struct wx *wx = gpiochip_get_data(gc);
-	unsigned long flags;
-
-	raw_spin_lock_irqsave(&wx->gpio_lock, flags);
-	wr32(wx, WX_GPIO_EOI, BIT(hwirq));
-	raw_spin_unlock_irqrestore(&wx->gpio_lock, flags);
-}
-
-static void txgbe_gpio_irq_mask(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	irq_hw_number_t hwirq = irqd_to_hwirq(d);
-	struct wx *wx = gpiochip_get_data(gc);
-	unsigned long flags;
-
-	gpiochip_disable_irq(gc, hwirq);
-
-	raw_spin_lock_irqsave(&wx->gpio_lock, flags);
-	wr32m(wx, WX_GPIO_INTMASK, BIT(hwirq), BIT(hwirq));
-	raw_spin_unlock_irqrestore(&wx->gpio_lock, flags);
-}
-
-static void txgbe_gpio_irq_unmask(struct irq_data *d)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	irq_hw_number_t hwirq = irqd_to_hwirq(d);
-	struct wx *wx = gpiochip_get_data(gc);
-	unsigned long flags;
-
-	gpiochip_enable_irq(gc, hwirq);
-
-	raw_spin_lock_irqsave(&wx->gpio_lock, flags);
-	wr32m(wx, WX_GPIO_INTMASK, BIT(hwirq), 0);
-	raw_spin_unlock_irqrestore(&wx->gpio_lock, flags);
-}
-
-static void txgbe_toggle_trigger(struct gpio_chip *gc, unsigned int offset)
-{
-	struct wx *wx = gpiochip_get_data(gc);
-	u32 pol, val;
-
-	pol = rd32(wx, WX_GPIO_POLARITY);
-	val = rd32(wx, WX_GPIO_EXT);
-
-	if (val & BIT(offset))
-		pol &= ~BIT(offset);
-	else
-		pol |= BIT(offset);
-
-	wr32(wx, WX_GPIO_POLARITY, pol);
-}
-
-static int txgbe_gpio_set_type(struct irq_data *d, unsigned int type)
-{
-	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	irq_hw_number_t hwirq = irqd_to_hwirq(d);
-	struct wx *wx = gpiochip_get_data(gc);
-	u32 level, polarity, mask;
-	unsigned long flags;
-
-	mask = BIT(hwirq);
-
-	if (type & IRQ_TYPE_LEVEL_MASK) {
-		level = 0;
-		irq_set_handler_locked(d, handle_level_irq);
-	} else {
-		level = mask;
-		irq_set_handler_locked(d, handle_edge_irq);
-	}
-
-	if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH)
-		polarity = mask;
-	else
-		polarity = 0;
-
-	raw_spin_lock_irqsave(&wx->gpio_lock, flags);
-
-	wr32m(wx, WX_GPIO_INTEN, mask, mask);
-	wr32m(wx, WX_GPIO_INTTYPE_LEVEL, mask, level);
-	if (type == IRQ_TYPE_EDGE_BOTH)
-		txgbe_toggle_trigger(gc, hwirq);
-	else
-		wr32m(wx, WX_GPIO_POLARITY, mask, polarity);
-
-	raw_spin_unlock_irqrestore(&wx->gpio_lock, flags);
-
-	return 0;
-}
-
-static const struct irq_chip txgbe_gpio_irq_chip = {
-	.name = "txgbe-gpio-irq",
-	.irq_ack = txgbe_gpio_irq_ack,
-	.irq_mask = txgbe_gpio_irq_mask,
-	.irq_unmask = txgbe_gpio_irq_unmask,
-	.irq_set_type = txgbe_gpio_set_type,
-	.flags = IRQCHIP_IMMUTABLE,
-	GPIOCHIP_IRQ_RESOURCE_HELPERS,
-};
-
-irqreturn_t txgbe_gpio_irq_handler(int irq, void *data)
-{
-	struct txgbe *txgbe = data;
-	struct wx *wx = txgbe->wx;
-	irq_hw_number_t hwirq;
-	unsigned long gpioirq;
-	struct gpio_chip *gc;
-	unsigned long flags;
-
-	gpioirq = rd32(wx, WX_GPIO_INTSTATUS);
-
-	gc = txgbe->gpio;
-	for_each_set_bit(hwirq, &gpioirq, gc->ngpio) {
-		int gpio = irq_find_mapping(gc->irq.domain, hwirq);
-		struct irq_data *d = irq_get_irq_data(gpio);
-		u32 irq_type = irq_get_trigger_type(gpio);
-
-		txgbe_gpio_irq_ack(d);
-		handle_nested_irq(gpio);
-
-		if ((irq_type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) {
-			raw_spin_lock_irqsave(&wx->gpio_lock, flags);
-			txgbe_toggle_trigger(gc, hwirq);
-			raw_spin_unlock_irqrestore(&wx->gpio_lock, flags);
-		}
-	}
-
-	return IRQ_HANDLED;
-}
-
-void txgbe_reinit_gpio_intr(struct wx *wx)
-{
-	struct txgbe *txgbe = wx->priv;
-	irq_hw_number_t hwirq;
-	unsigned long gpioirq;
-	struct gpio_chip *gc;
-	unsigned long flags;
-
-	/* for gpio interrupt pending before irq enable */
-	gpioirq = rd32(wx, WX_GPIO_INTSTATUS);
-
-	gc = txgbe->gpio;
-	for_each_set_bit(hwirq, &gpioirq, gc->ngpio) {
-		int gpio = irq_find_mapping(gc->irq.domain, hwirq);
-		struct irq_data *d = irq_get_irq_data(gpio);
-		u32 irq_type = irq_get_trigger_type(gpio);
-
-		txgbe_gpio_irq_ack(d);
-
-		if ((irq_type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) {
-			raw_spin_lock_irqsave(&wx->gpio_lock, flags);
-			txgbe_toggle_trigger(gc, hwirq);
-			raw_spin_unlock_irqrestore(&wx->gpio_lock, flags);
-		}
-	}
-}
-
 static int txgbe_gpio_init(struct txgbe *txgbe)
 {
-	struct gpio_irq_chip *girq;
 	struct gpio_chip *gc;
 	struct device *dev;
 	struct wx *wx;
@@ -550,11 +389,6 @@ static int txgbe_gpio_init(struct txgbe *txgbe)
 	gc->direction_input = txgbe_gpio_direction_in;
 	gc->direction_output = txgbe_gpio_direction_out;
 
-	girq = &gc->irq;
-	gpio_irq_chip_set_chip(girq, &txgbe_gpio_irq_chip);
-	girq->default_type = IRQ_TYPE_NONE;
-	girq->handler = handle_bad_irq;
-
 	ret = devm_gpiochip_add_data(dev, gc, wx);
 	if (ret)
 		return ret;
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
index 8a026d804fe2..3938985355ed 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
@@ -4,8 +4,6 @@
 #ifndef _TXGBE_PHY_H_
 #define _TXGBE_PHY_H_
 
-irqreturn_t txgbe_gpio_irq_handler(int irq, void *data);
-void txgbe_reinit_gpio_intr(struct wx *wx);
 irqreturn_t txgbe_link_irq_handler(int irq, void *data);
 int txgbe_init_phy(struct txgbe *txgbe);
 void txgbe_remove_phy(struct txgbe *txgbe);
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
index cc3a7b62fe9e..629a13e96b85 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
@@ -75,8 +75,7 @@
 #define TXGBE_PX_MISC_IEN_MASK                            \
 	(TXGBE_PX_MISC_ETH_LKDN | TXGBE_PX_MISC_DEV_RST | \
 	 TXGBE_PX_MISC_ETH_EVENT | TXGBE_PX_MISC_ETH_LK | \
-	 TXGBE_PX_MISC_ETH_AN | TXGBE_PX_MISC_INT_ERR |   \
-	 TXGBE_PX_MISC_GPIO)
+	 TXGBE_PX_MISC_ETH_AN | TXGBE_PX_MISC_INT_ERR)
 
 /* Port cfg registers */
 #define TXGBE_CFG_PORT_ST                       0x14404
@@ -313,8 +312,7 @@ struct txgbe_nodes {
 };
 
 enum txgbe_misc_irqs {
-	TXGBE_IRQ_GPIO = 0,
-	TXGBE_IRQ_LINK,
+	TXGBE_IRQ_LINK = 0,
 	TXGBE_IRQ_MAX
 };
 
@@ -335,7 +333,6 @@ struct txgbe {
 	struct clk_lookup *clock;
 	struct clk *clk;
 	struct gpio_chip *gpio;
-	unsigned int gpio_irq;
 	unsigned int link_irq;
 
 	/* flow director */