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authorPaul Burton <paul.burton@imgtec.com>2015-05-24 16:11:23 +0100
committerRalf Baechle <ralf@linux-mips.org>2015-06-21 21:53:00 +0200
commit638c885185dc2e2b17e59bfe8e9d27b18ed8fade (patch)
treea2460da7d2c01a724645a8d8f38b9fa88c675fd0
parent69ce4b2288d22ad23b8ceeb8c238fcc58a7e5089 (diff)
MIPS: JZ4740: register an irq_domain for the interrupt controller
When probing the interrupt controller, register an IRQ domain such that the interrupts can be translated by devicetree code & thus used from devicetree. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: Brian Norris <computersforpeace@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/10140/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/jz4740/irq.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/jz4740/irq.c b/arch/mips/jz4740/irq.c
index ed5191569b95..ddcf78a24e5b 100644
--- a/arch/mips/jz4740/irq.c
+++ b/arch/mips/jz4740/irq.c
@@ -85,6 +85,7 @@ static int __init jz4740_intc_of_init(struct device_node *node,
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
+ struct irq_domain *domain;
int parent_irq;
parent_irq = irq_of_parse_and_map(node, 0);
@@ -113,6 +114,11 @@ static int __init jz4740_intc_of_init(struct device_node *node,
irq_setup_generic_chip(gc, IRQ_MSK(32), 0, 0, IRQ_NOPROBE | IRQ_LEVEL);
+ domain = irq_domain_add_legacy(node, num_chips * 32, JZ4740_IRQ_BASE, 0,
+ &irq_domain_simple_ops, NULL);
+ if (!domain)
+ pr_warn("unable to register IRQ domain\n");
+
setup_irq(parent_irq, &jz4740_cascade_action);
return 0;
}