From: Paul Burton <paul.burton@xxxxxxxxxx>
Declare the interrupt controller for probe via the standard irqchip_init
function.
Signed-off-by: Paul Burton <paul.burton@xxxxxxxxxx>
Cc: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
arch/mips/jz4740/irq.c | 26 ++++++++++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/arch/mips/jz4740/irq.c b/arch/mips/jz4740/irq.c
index 1b742c3..a4f0a82 100644
--- a/arch/mips/jz4740/irq.c
+++ b/arch/mips/jz4740/irq.c
@@ -18,6 +18,7 @@
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
+#include <linux/of_irq.h>
#include <linux/timex.h>
#include <linux/slab.h>
#include <linux/delay.h>
@@ -29,6 +30,8 @@
#include <asm/mach-jz4740/base.h>
+#include "../../drivers/irqchip/irqchip.h"
+
static void __iomem *jz_intc_base;
#define JZ_REG_INTC_STATUS 0x00
@@ -74,7 +77,7 @@ static struct irqaction jz4740_cascade_action = {
.name = "JZ4740 cascade interrupt",
};
-void __init jz4740_intc_init(void)
+static void __init __jz4740_intc_init(int parent_irq)
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
@@ -101,8 +104,27 @@ void __init jz4740_intc_init(void)
irq_setup_generic_chip(gc, IRQ_MSK(32), 0, 0, IRQ_NOPROBE | IRQ_LEVEL);
- setup_irq(2, &jz4740_cascade_action);
+ setup_irq(parent_irq, &jz4740_cascade_action);
+}
+
+void __init jz4740_intc_init(void)
+{
+ __jz4740_intc_init(2);
+}
+
+static int __init jz4740_intc_of_init(struct device_node *node,
+ struct device_node *parent)
+{
+ int parent_irq;
+
+ parent_irq = irq_of_parse_and_map(node, 0);
+ if (!parent_irq)
+ return -EINVAL;
+
+ __jz4740_intc_init(parent_irq);
+ return 0;
}
+IRQCHIP_DECLARE(jz4740_intc, "ingenic,jz4740-intc", jz4740_intc_of_init);
#ifdef CONFIG_DEBUG_FS
--
1.9.1
--
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