[PATCH v2 04/12] staging: typec: tcpci: register port before request irq

[Li Jun <jun.li@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.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
---
 drivers/staging/typec/tcpci.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index be6ed16..1db67f0 100644
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c
@@ -534,15 +534,18 @@ static int tcpci_probe(struct i2c_client *client,
 	/* Disable chip interrupts */
 	tcpci_write16(tcpci, TCPC_ALERT_MASK, 0);
 
+	tcpci->port = tcpm_register_port(tcpci->dev, &tcpci->tcpc);
+	if (IS_ERR(tcpci->port))
+		return PTR_ERR(tcpci->port);
+
 	err = devm_request_threaded_irq(tcpci->dev, client->irq, NULL,
 					tcpci_irq,
 					IRQF_ONESHOT | IRQF_TRIGGER_LOW,
 					dev_name(tcpci->dev), tcpci);
-	if (err < 0)
-		return err;
+	if (err)
+		tcpm_unregister_port(tcpci->port);
 
-	tcpci->port = tcpm_register_port(tcpci->dev, &tcpci->tcpc);
-	return PTR_ERR_OR_ZERO(tcpci->port);
+	return err;
 }
 
 static int tcpci_remove(struct i2c_client *client)
-- 
2.7.4