[PATCH 9/9] gpio: mxc: simplify gpio_set_wake_irq() with irq_set_irq_wake and assign_bit

["Peng Fan (OSS)" <peng.fan@oss.nxp.com>]

From: Peng Fan <peng.fan@nxp.com>

To simplify gpio_set_wake_irq():
 - Replace the enable/disable_irq_wake() if/else branches with a single
   irq_set_irq_wake() call which handles both directions internally.
 - Replace the separate set_bit()/clear_bit() calls with assign_bit()
   which sets or clears the bit based on the enable parameter.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/gpio/gpio-mxc.c | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index bf1207f30460..546a46857e1d 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -329,21 +329,13 @@ static int gpio_set_wake_irq(struct irq_data *d, u32 enable)
 	u32 gpio_idx = d->hwirq;
 	int ret;
 
-	if (enable) {
-		if (port->irq_high && (gpio_idx >= 16))
-			ret = enable_irq_wake(port->irq_high);
-		else
-			ret = enable_irq_wake(port->irq);
-		if (!ret)
-			set_bit(gpio_idx, &port->wakeup_pads);
-	} else {
-		if (port->irq_high && (gpio_idx >= 16))
-			ret = disable_irq_wake(port->irq_high);
-		else
-			ret = disable_irq_wake(port->irq);
-		if (!ret)
-			clear_bit(gpio_idx, &port->wakeup_pads);
-	}
+	if (port->irq_high && (gpio_idx >= 16))
+		ret = irq_set_irq_wake(port->irq_high, enable);
+	else
+		ret = irq_set_irq_wake(port->irq, enable);
+
+	if (!ret)
+		assign_bit(gpio_idx, &port->wakeup_pads, enable);
 
 	return ret;
 }

-- 
2.51.0