X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Farm%2Fmach-s5pv310%2Firq-combiner.c;h=c3f88c3faf6c79b943aabbe420d3aa2e976be761;hb=1792f17b7210280a3d7ff29da9614ba779cfcedb;hp=0f7052164f23116500451253c58351f06e18fe57;hpb=997396a73a94de7d92d82e30d7bb1d931e38cb16;p=karo-tx-linux.git

diff --git a/arch/arm/mach-s5pv310/irq-combiner.c b/arch/arm/mach-s5pv310/irq-combiner.c
index 0f7052164f23..c3f88c3faf6c 100644
--- 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))