1 files changed, 4 insertions, 3 deletions

diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index 22a6df94b4a1..de01c9815bdd 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -507,13 +507,14 @@ static void ip32_irq0(struct pt_regs *regs)
         int irq = 0;
 
         crime_int = crime->istat & crime_mask;
-        irq = ffs(crime_int);
-        crime_int = 1 << (irq - 1);
+        irq = __ffs(crime_int);
+        crime_int = 1 << irq;
 
         if (crime_int & CRIME_MACEISA_INT_MASK) {
                 unsigned long mace_int = mace->perif.ctrl.istat;
-                irq = ffs(mace_int & maceisa_mask) + 32;
+                irq = __ffs(mace_int & maceisa_mask) + 32;
         }
+        irq++;
         DBG("*irq %u*\n", irq);
         do_IRQ(irq, regs);
 }