Replace the complicated and broken attempt to clean interrupt by

something simple - doesn't need to be fast, after all.
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/sgi-ip27/ip27-smp.c

@@ -127,29 +127,17 @@ void cpu_node_probe(void)
 	printk("Discovered %d cpus on %d nodes\n", highest + 1, num_online_nodes());
 }
 
-static void intr_clear_bits(nasid_t nasid, volatile hubreg_t *pend,
-	int base_level)
+static __init void intr_clear_all(nasid_t nasid)
 {
-	volatile hubreg_t bits;
 	int i;
 
-	/* Check pending interrupts */
-	if ((bits = HUB_L(pend)) != 0)
-		for (i = 0; i < N_INTPEND_BITS; i++)
-			if (bits & (1 << i))
-				LOCAL_HUB_CLR_INTR(base_level + i);
-}
-
-static void intr_clear_all(nasid_t nasid)
-{
 	REMOTE_HUB_S(nasid, PI_INT_MASK0_A, 0);
 	REMOTE_HUB_S(nasid, PI_INT_MASK0_B, 0);
 	REMOTE_HUB_S(nasid, PI_INT_MASK1_A, 0);
 	REMOTE_HUB_S(nasid, PI_INT_MASK1_B, 0);
-	intr_clear_bits(nasid, REMOTE_HUB_ADDR(nasid, PI_INT_PEND0),
-	                INT_PEND0_BASELVL);
-	intr_clear_bits(nasid, REMOTE_HUB_ADDR(nasid, PI_INT_PEND1),
-	                INT_PEND1_BASELVL);
+
+	for (i = 0; i < 128; i++)
+		REMOTE_HUB_CLR_INTR(nasid, i);
 }
 
 void __init prom_prepare_cpus(unsigned int max_cpus)