nfc: s3fwrn5: Remove hard coded interrupt trigger type from the i2c module

For the flexible control of interrupt trigger type, remove the hard coded
interrupt trigger type in the i2c module. The trigger type will be loaded
 from a dts.
Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/nfc/s3fwrn5/i2c.c

@@ -179,6 +179,8 @@ static int s3fwrn5_i2c_probe(struct i2c_client *client,
 				  const struct i2c_device_id *id)
 {
 	struct s3fwrn5_i2c_phy *phy;
+	struct irq_data *irq_data;
+	unsigned long irqflags;
 	int ret;
 
 	phy = devm_kzalloc(&client->dev, sizeof(*phy), GFP_KERNEL);
@@ -212,8 +214,11 @@ static int s3fwrn5_i2c_probe(struct i2c_client *client,
 	if (ret < 0)
 		return ret;
 
+	irq_data = irq_get_irq_data(client->irq);
+	irqflags = irqd_get_trigger_type(irq_data) | IRQF_ONESHOT;
+
 	ret = devm_request_threaded_irq(&client->dev, phy->i2c_dev->irq, NULL,
-		s3fwrn5_i2c_irq_thread_fn, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+		s3fwrn5_i2c_irq_thread_fn, irqflags,
 		S3FWRN5_I2C_DRIVER_NAME, phy);
 	if (ret)
 		s3fwrn5_remove(phy->common.ndev);