Merge branch 'master' into gfs2
[pandora-kernel.git] / arch / mips / sibyte / sb1250 / irq.c
index 1de71ad..a451b4c 100644 (file)
@@ -419,21 +419,6 @@ static void sb1250_kgdb_interrupt(struct pt_regs *regs)
 
 #endif         /* CONFIG_KGDB */
 
-static inline int dclz(unsigned long long x)
-{
-       int lz;
-
-       __asm__ (
-       "       .set    push                                            \n"
-       "       .set    mips64                                          \n"
-       "       dclz    %0, %1                                          \n"
-       "       .set    pop                                             \n"
-       : "=r" (lz)
-       : "r" (x));
-
-       return lz;
-}
-
 extern void sb1250_timer_interrupt(struct pt_regs *regs);
 extern void sb1250_mailbox_interrupt(struct pt_regs *regs);
 extern void sb1250_kgdb_interrupt(struct pt_regs *regs);
@@ -490,6 +475,6 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
                mask = __raw_readq(IOADDR(A_IMR_REGISTER(smp_processor_id(),
                                              R_IMR_INTERRUPT_STATUS_BASE)));
                if (mask)
-                       do_IRQ(63 - dclz(mask), regs);
+                       do_IRQ(fls64(mask) - 1, regs);
        }
 }