From 2206d5dd9a785a74afc6981f2b13b7a4d4da6f31 Mon Sep 17 00:00:00 2001
From: Max Filippov <jcmvbkbc@gmail.com>
Date: Sun, 4 Nov 2012 00:29:12 +0400
Subject: xtensa: add IRQ domains support

IRQ domains provide a mechanism for conversion of linux IRQ numbers to
hardware IRQ numbers and vice versus. It is used by OpenFirmware for
linking device tree objects to their respective interrupt controllers.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
---
 arch/xtensa/kernel/time.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'arch/xtensa/kernel/time.c')

diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 19b32a0eaebc..ffb474104311 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -22,6 +22,7 @@
 #include <linux/irq.h>
 #include <linux/profile.h>
 #include <linux/delay.h>
+#include <linux/irqdomain.h>
 
 #include <asm/timex.h>
 #include <asm/platform.h>
@@ -52,6 +53,7 @@ static struct irqaction timer_irqaction = {
 
 void __init time_init(void)
 {
+	unsigned int irq;
 #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
 	printk("Calibrating CPU frequency ");
 	platform_calibrate_ccount();
@@ -62,7 +64,8 @@ void __init time_init(void)
 
 	/* Initialize the linux timer interrupt. */
 
-	setup_irq(LINUX_TIMER_INT, &timer_irqaction);
+	irq = irq_create_mapping(NULL, LINUX_TIMER_INT);
+	setup_irq(irq, &timer_irqaction);
 	set_linux_timer(get_ccount() + CCOUNT_PER_JIFFY);
 }
 
-- 
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