Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify

[karo-tx-linux.git] / arch / arm / mach-s5pv310 / irq-combiner.c

diff --git a/arch/arm/mach-s5pv310/irq-combiner.c b/arch/arm/mach-s5pv310/irq-combiner.c
index 0f7052164f23116500451253c58351f06e18fe57..c3f88c3faf6c79b943aabbe420d3aa2e976be761 100644 (file)
--- a/arch/arm/mach-s5pv310/irq-combiner.c
+++ b/arch/arm/mach-s5pv310/irq-combiner.c
@@ -66,11 +66,7 @@ static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
        if (status == 0)
                goto out;
 
-       for (combiner_irq = 0; combiner_irq < 32; combiner_irq++) {
-               if (status & 0x1)
-                       break;
-               status >>= 1;
-       }
+       combiner_irq = __ffs(status);
 
        cascade_irq = combiner_irq + (chip_data->irq_offset & ~31);
        if (unlikely(cascade_irq >= NR_IRQS))