mfd: Use IRQF_ONESHOT for 88pm860x

Generated by: scripts/coccinelle/misc/irqf_oneshot.cocci

Make sure threaded IRQs without a primary handler are always request
with IRQF_ONESHOT.
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/88pm860x-core.c

@@ -659,7 +659,7 @@ static int __devinit device_irq_init(struct pm860x_chip *chip,
 #endif
 	}
 
-	ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
+	ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags | IRQF_ONESHOT,
 				   "88pm860x", chip);
 	if (ret) {
 		dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);