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-rw-r--r--arch/mips/include/asm/irq.h3
-rw-r--r--arch/mips/kernel/irq.c16
2 files changed, 19 insertions, 0 deletions
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h
index d1477ecb1af9..57561e0e6e8d 100644
--- a/arch/mips/include/asm/irq.h
+++ b/arch/mips/include/asm/irq.h
@@ -57,6 +57,9 @@ asmlinkage void plat_irq_dispatch(void);
extern void do_IRQ(unsigned int irq);
+struct irq_domain;
+extern void do_domain_IRQ(struct irq_domain *domain, unsigned int irq);
+
extern void arch_init_irq(void);
extern void spurious_interrupt(void);
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index 85b6c60f285d..d20e002b3246 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -21,6 +21,7 @@
#include <linux/kallsyms.h>
#include <linux/kgdb.h>
#include <linux/ftrace.h>
+#include <linux/irqdomain.h>
#include <linux/atomic.h>
#include <linux/uaccess.h>
@@ -107,3 +108,18 @@ void __irq_entry do_IRQ(unsigned int irq)
irq_exit();
}
+#ifdef CONFIG_IRQ_DOMAIN
+void __irq_entry do_domain_IRQ(struct irq_domain *domain, unsigned int hwirq)
+{
+ struct irq_desc *desc;
+
+ irq_enter();
+ check_stack_overflow();
+
+ desc = irq_resolve_mapping(domain, hwirq);
+ if (likely(desc))
+ handle_irq_desc(desc);
+
+ irq_exit();
+}
+#endif