mfd: ucb1x00: Prepare ucb1x00_irq for irq argument removal

irq is incremented for no value in the for loop. Remove it.

Search and update was done with coccinelle and the invaluable help of
Julia Lawall.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

drivers/mfd/ucb1x00-core.c

@@ -282,7 +282,7 @@ void ucb1x00_adc_disable(struct ucb1x00 *ucb)
  * SIBCLK to talk to the chip.  We leave the clock running until
  * we have finished processing all interrupts from the chip.
  */
-static void ucb1x00_irq(unsigned int irq, struct irq_desc *desc)
+static void ucb1x00_irq(unsigned int __irq, struct irq_desc *desc)
 {
 	struct ucb1x00 *ucb = irq_desc_get_handler_data(desc);
 	unsigned int isr, i;
@@ -292,7 +292,7 @@ static void ucb1x00_irq(unsigned int irq, struct irq_desc *desc)
 	ucb1x00_reg_write(ucb, UCB_IE_CLEAR, isr);
 	ucb1x00_reg_write(ucb, UCB_IE_CLEAR, 0);
 
-	for (i = 0; i < 16 && isr; i++, isr >>= 1, irq++)
+	for (i = 0; i < 16 && isr; i++, isr >>= 1)
 		if (isr & 1)
 			generic_handle_irq(ucb->irq_base + i);
 	ucb1x00_disable(ucb);