staging: typec: tcpci: register port before request irq

With that we can clear any pending events and the port is registered
so driver can be ready to handle typec events once we request irq.

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/typec/tcpci.c

@@ -537,24 +537,27 @@ static int tcpci_probe(struct i2c_client *client,
 	if (IS_ERR(chip->data.regmap))
 		return PTR_ERR(chip->data.regmap);
 
+	i2c_set_clientdata(client, chip);
+
 	/* Disable chip interrupts before requesting irq */
 	err = regmap_raw_write(chip->data.regmap, TCPC_ALERT_MASK, &val,
 			       sizeof(u16));
 	if (err < 0)
 		return err;
 
+	chip->tcpci = tcpci_register_port(&client->dev, &chip->data);
+	if (IS_ERR(chip->tcpci))
+		return PTR_ERR(chip->tcpci);
+
 	err = devm_request_threaded_irq(&client->dev, client->irq, NULL,
 					_tcpci_irq,
 					IRQF_ONESHOT | IRQF_TRIGGER_LOW,
 					dev_name(&client->dev), chip);
-	if (err < 0)
+	if (err < 0) {
+		tcpci_unregister_port(chip->tcpci);
 		return err;
+	}
 
-	chip->tcpci = tcpci_register_port(&client->dev, &chip->data);
-	if (IS_ERR(chip->tcpci))
-		return PTR_ERR(chip->tcpci);
-
-	i2c_set_clientdata(client, chip);
 	return 0;
 }