[PATCH v7 09/14] staging: typec: tcpci: register port before request irq

[Li Jun <jun.li@nxp.com>]

From: Peter Chen <peter.chen@nxp.com>

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>
---
 drivers/staging/typec/tcpci.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index b63f147..3b35fce 100644
--- a/drivers/staging/typec/tcpci.c
+++ b/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;
 }
 
-- 
2.7.4