X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fmips%2Ftxx9%2Frbtx4927%2Firq.c;h=9c14ebb26cb4caf63f7448b02b83ad4e435f2332;hb=21e77df215e58523a755b5dd006cb17610616f20;hp=22076e3f03a8f10b1bfd82c54ac1cf9ea10540ef;hpb=f6d9831bb11eb465f95fb1736b866d405d9c7cbf;p=linux-2.6-omap-h63xx.git

diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c
index 22076e3f03a..9c14ebb26cb 100644
--- a/arch/mips/txx9/rbtx4927/irq.c
+++ b/arch/mips/txx9/rbtx4927/irq.c
@@ -133,9 +133,9 @@ static int toshiba_rbtx4927_irq_nested(int sw_irq)
 	u8 level3;
 
 	level3 = readb(rbtx4927_imstat_addr) & 0x1f;
-	if (level3)
-		sw_irq = RBTX4927_IRQ_IOC + fls(level3) - 1;
-	return sw_irq;
+	if (unlikely(!level3))
+		return -1;
+	return RBTX4927_IRQ_IOC + __fls8(level3);
 }
 
 static void __init toshiba_rbtx4927_irq_ioc_init(void)