ARM: at91: fix system timer irq issue due to sparse irq support

AT91_ID_SYS as virq is incorrect because of spare irq support which
introduces NR_IRQS_LEGACY offset.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Tested-by: Joachim Eastwood <joachim.eastwood@jotron.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index 104ca40..aaa443b 100644 (file)
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -197,7 +197,7 @@ void __init at91rm9200_timer_init(void)
        at91_st_read(AT91_ST_SR);
 
        /* Make IRQs happen for the system timer */
-       setup_irq(AT91_ID_SYS, &at91rm9200_timer_irq);
+       setup_irq(NR_IRQS_LEGACY + AT91_ID_SYS, &at91rm9200_timer_irq);
 
        /* The 32KiHz "Slow Clock" (tick every 30517.58 nanoseconds) is used
         * directly for the clocksource and all clockevents, after adjusting