[MIPS] Alchemy: Get rid of au_ffs().

It was plain a bad idea ...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c
index 7c708db04a88..aa85eedf7c0d 100644
--- a/arch/mips/au1000/pb1200/irqmap.c
+++ b/arch/mips/au1000/pb1200/irqmap.c
@@ -74,7 +74,7 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id)
         bcsr->int_status = bisr;
         for( ; bisr; bisr &= (bisr-1) )
         {
-                extirq_nr = (PB1200_INT_BEGIN-1) + au_ffs(bisr);
+                extirq_nr = PB1200_INT_BEGIN + au_ffs(bisr);
                 /* Ack and dispatch IRQ */
                 do_IRQ(extirq_nr);
         }