The ar7240 misc irq chip use ack handler
instead of ack_mask handler. All new ath79 chips use
the ar7240 misc irq chip

Signed-off-by: Alexander Couzens <lyn...@fe80.eu>
Acked-by: Alban Bedel <al...@free.fr>
---
 .../interrupt-controller/qca,ath79-misc-intc.txt     | 20 ++++++++++++++++++--
 arch/mips/ath79/irq.c                                | 10 ++++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git 
a/Documentation/devicetree/bindings/interrupt-controller/qca,ath79-misc-intc.txt
 
b/Documentation/devicetree/bindings/interrupt-controller/qca,ath79-misc-intc.txt
index 391717a..ec96b1f 100644
--- 
a/Documentation/devicetree/bindings/interrupt-controller/qca,ath79-misc-intc.txt
+++ 
b/Documentation/devicetree/bindings/interrupt-controller/qca,ath79-misc-intc.txt
@@ -4,8 +4,8 @@ The MISC interrupt controller is a secondary controller for 
lower priority
 interrupt.
 
 Required Properties:
-- compatible: has to be "qca,<soctype>-cpu-intc", "qca,ar7100-misc-intc"
-  as fallback
+- compatible: has to be "qca,<soctype>-cpu-intc", "qca,ar7100-misc-intc" or
+  "qca,<soctype>-cpu-intc", "qca,ar7240-misc-intc"
 - reg: Base address and size of the controllers memory area
 - interrupt-parent: phandle of the parent interrupt controller.
 - interrupts: Interrupt specifier for the controllers interrupt.
@@ -13,6 +13,9 @@ Required Properties:
 - #interrupt-cells : Specifies the number of cells needed to encode interrupt
                     source, should be 1
 
+Compatible fallback depends on the SoC. Use ar7100 for ar71xx and ar913x,
+use ar7240 for all other SoCs.
+
 Please refer to interrupts.txt in this directory for details of the common
 Interrupt Controllers bindings used by client devices.
 
@@ -28,3 +31,16 @@ Example:
                interrupt-controller;
                #interrupt-cells = <1>;
        };
+
+Another example:
+
+       interrupt-controller@18060010 {
+               compatible = "qca,ar9331-misc-intc", qca,ar7240-misc-intc";
+               reg = <0x18060010 0x4>;
+
+               interrupt-parent = <&cpuintc>;
+               interrupts = <6>;
+
+               interrupt-controller;
+               #interrupt-cells = <1>;
+       };
diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c
index c9c0124..fd58f8b 100644
--- a/arch/mips/ath79/irq.c
+++ b/arch/mips/ath79/irq.c
@@ -319,6 +319,16 @@ static int __init ar7100_misc_intc_of_init(
 IRQCHIP_DECLARE(ar7100_misc_intc, "qca,ar7100-misc-intc",
                ar7100_misc_intc_of_init);
 
+static int __init ar7240_misc_intc_of_init(
+       struct device_node *node, struct device_node *parent)
+{
+       ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack;
+       return ath79_misc_intc_of_init(node, parent);
+}
+
+IRQCHIP_DECLARE(ar7240_misc_intc, "qca,ar7240-misc-intc",
+               ar7240_misc_intc_of_init);
+
 static int __init ar79_cpu_intc_of_init(
        struct device_node *node, struct device_node *parent)
 {
-- 
2.4.0

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