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Diffstat (limited to 'arch/mips/sibyte/sb1250/irq.c')
-rw-r--r--arch/mips/sibyte/sb1250/irq.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index 1de71adec6c6..a451b4c7732d 100644
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -419,21 +419,6 @@ static void sb1250_kgdb_interrupt(struct pt_regs *regs)
419 419
420#endif /* CONFIG_KGDB */ 420#endif /* CONFIG_KGDB */
421 421
422static inline int dclz(unsigned long long x)
423{
424 int lz;
425
426 __asm__ (
427 " .set push \n"
428 " .set mips64 \n"
429 " dclz %0, %1 \n"
430 " .set pop \n"
431 : "=r" (lz)
432 : "r" (x));
433
434 return lz;
435}
436
437extern void sb1250_timer_interrupt(struct pt_regs *regs); 422extern void sb1250_timer_interrupt(struct pt_regs *regs);
438extern void sb1250_mailbox_interrupt(struct pt_regs *regs); 423extern void sb1250_mailbox_interrupt(struct pt_regs *regs);
439extern void sb1250_kgdb_interrupt(struct pt_regs *regs); 424extern void sb1250_kgdb_interrupt(struct pt_regs *regs);
@@ -490,6 +475,6 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
490 mask = __raw_readq(IOADDR(A_IMR_REGISTER(smp_processor_id(), 475 mask = __raw_readq(IOADDR(A_IMR_REGISTER(smp_processor_id(),
491 R_IMR_INTERRUPT_STATUS_BASE))); 476 R_IMR_INTERRUPT_STATUS_BASE)));
492 if (mask) 477 if (mask)
493 do_IRQ(63 - dclz(mask), regs); 478 do_IRQ(fls64(mask) - 1, regs);
494 } 479 }
495} 480}