diff --git a/target/linux/brcm63xx/dts/bcm6318.dtsi b/target/linux/brcm63xx/dts/bcm6318.dtsi
index 115b15c7fe..776698068d 100644
--- a/target/linux/brcm63xx/dts/bcm6318.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6318.dtsi
@@ -36,7 +36,7 @@
 		compatible = "simple-bus";
 
 		ext_intc: interrupt-controller@10000018 {
-			compatible = "brcm,bcm6345-ext-intc";
+			compatible = "brcm,bcm6318-ext-intc";
 			reg = <0x10000018 0x4>;
 
 			interrupt-controller;
diff --git a/target/linux/brcm63xx/patches-4.4/321-irqchip-add-support-for-bcm6345-style-external-inter.patch b/target/linux/brcm63xx/patches-4.4/321-irqchip-add-support-for-bcm6345-style-external-inter.patch
index 252645695f..2271b66f0e 100644
--- a/target/linux/brcm63xx/patches-4.4/321-irqchip-add-support-for-bcm6345-style-external-inter.patch
+++ b/target/linux/brcm63xx/patches-4.4/321-irqchip-add-support-for-bcm6345-style-external-inter.patch
@@ -23,7 +23,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +
 +Required properties:
 +
-+- compatible: Should be "brcm,bcm6345-ext-intc".
++- compatible: Should be "brcm,bcm6345-ext-intc" or "brcm,bcm6318-ext-intc".
 +- reg: Specifies the base physical addresses and size of the registers.
 +- interrupt-controller: identifies the node as an interrupt controller.
 +- #interrupt-cells: Specifies the number of cells needed to encode an interrupt
@@ -73,7 +73,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  obj-$(CONFIG_METAG)			+= irq-metag-ext.o
 --- /dev/null
 +++ b/drivers/irqchip/irq-bcm6345-ext.c
-@@ -0,0 +1,288 @@
+@@ -0,0 +1,301 @@
 +/*
 + * This file is subject to the terms and conditions of the GNU General Public
 + * License.  See the file "COPYING" in the main directory of this archive
@@ -119,6 +119,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +	int parent_irq[MAX_IRQS];
 +	void __iomem *reg;
 +	int shift;
++	unsigned int toggle_clear_on_ack:1;
 +};
 +
 +static void bcm6345_ext_intc_irq_handle(struct irq_desc *desc)
@@ -148,8 +149,10 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +
 +	raw_spin_lock(&priv->lock);
 +	reg = __raw_readl(priv->reg);
-+	reg |= 1 << (hwirq + EXTIRQ_CFG_CLEAR * priv->shift);
-+	__raw_writel(reg, priv->reg);
++	__raw_writel(reg | (1 << (hwirq + EXTIRQ_CFG_CLEAR * priv->shift)),
++		     priv->reg);
++	if (priv->toggle_clear_on_ack)
++		__raw_writel(reg, priv->reg);
 +	raw_spin_unlock(&priv->lock);
 +}
 +
@@ -263,7 +266,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +
 +static int __init __bcm6345_ext_intc_init(struct device_node *node,
 +					  int num_irqs, int *irqs,
-+					  void __iomem *reg, int shift)
++					  void __iomem *reg, int shift,
++					  bool toggle_clear_on_ack)
 +{
 +	struct intc_data *data;
 +	unsigned int i;
@@ -284,6 +288,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +
 +	data->reg = reg;
 +	data->shift = shift;
++	data->toggle_clear_on_ack = toggle_clear_on_ack;
 +
 +	data->chip.name = "bcm6345-ext-intc";
 +	data->chip.irq_ack = bcm6345_ext_intc_irq_ack;
@@ -314,7 +319,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +void __init bcm6345_ext_intc_init(int num_irqs, int *irqs, void __iomem *reg,
 +				  int shift)
 +{
-+	__bcm6345_ext_intc_init(NULL, num_irqs, irqs, reg, shift);
++	__bcm6345_ext_intc_init(NULL, num_irqs, irqs, reg, shift, false);
 +}
 +
 +#ifdef CONFIG_OF
@@ -326,6 +331,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +	void __iomem *base;
 +	int irqs[MAX_IRQS] = { 0 };
 +	u32 shift;
++	bool toggle_clear_on_ack = false;
 +
 +	num_irqs = of_irq_count(node);
 +
@@ -335,6 +341,10 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +	if (of_property_read_u32(node, "brcm,field-width", &shift))
 +		shift = 4;
 +
++	/* on BCM6318 setting CLEAR seems to continuously mask interrupts */
++	if (of_device_is_compatible(node, "brcm,bcm6318-ext-intc"))
++		toggle_clear_on_ack = true;
++
 +	for (i = 0; i < num_irqs; i++) {
 +		irqs[i] = irq_of_parse_and_map(node, i);
 +		if (!irqs[i]) {
@@ -347,7 +357,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +	if (!base)
 +		goto out_unmap;
 +
-+	ret = __bcm6345_ext_intc_init(node, num_irqs, irqs, base, shift);
++	ret = __bcm6345_ext_intc_init(node, num_irqs, irqs, base, shift,
++				      toggle_clear_on_ack);
 +	if (!ret)
 +		return 0;
 +out_unmap:
@@ -359,6 +370,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +	return ret;
 +}
 +
++IRQCHIP_DECLARE(bcm6318_ext_intc, "brcm,bcm6318-ext-intc",
++		bcm6345_ext_intc_of_init);
 +IRQCHIP_DECLARE(bcm6345_ext_intc, "brcm,bcm6345-ext-intc",
 +		bcm6345_ext_intc_of_init);
 +#endif