[MIPS] Use __ffs() instead of ffs() in ip32_irq0().

With recent rewrite for generic bitops, ffs() is defined the same way
as the libc and compiler built-in routines (returns int instead of
unsigned long).  Use __ffs() for 64bit value.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index 22a6df9..de01c98 100644 (file)
--- 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);
 }