[PATCH] MIPS: lantiq: fix cp0_perfcount_irq mapping

[John Crispin <blogic@openwrt.org>]

The introduction of the OF support broken the cp0_perfcount_irq mapping. This
resulted in oprofile not working anymore.

Offending commit is :

commit 3645da0276ae9f6938ff29b13904b803ecb68424
Author: John Crispin <blogic@openwrt.org>
Date:   Tue Apr 17 10:18:32 2012 +0200

OF: MIPS: lantiq: implement irq_domain support

Signed-off-by: Conor O'Gorman <i@conorogorman.net>
Signed-off-by: John Crispin <blogic@openwrt.org>
---
 arch/mips/lantiq/irq.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index 6f84009..5119487 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -449,7 +449,7 @@ int __init icu_of_init(struct device_node *node, struct 
device_node *parent)
 #endif
 
        /* tell oprofile which irq to use */
-       cp0_perfcount_irq = LTQ_PERF_IRQ;
+       cp0_perfcount_irq = irq_create_mapping(ltq_domain, LTQ_PERF_IRQ);
 
        /*
         * if the timer irq is not one of the mips irqs we need to
-- 
1.7.10.4