On 09/25/2017 05:45 PM, Li Jun wrote:
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@xxxxxxx>
Signed-off-by: Li Jun <jun.li@xxxxxxx>
---
drivers/staging/typec/tcpci.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index 0119453..6d608b4 100644
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c
@@ -552,15 +552,14 @@ static int tcpci_probe(struct i2c_client *client,
/* Disable chip interrupts */
tcpci_write16(tcpci, TCPC_ALERT_MASK, 0);
- err = devm_request_threaded_irq(tcpci->dev, client->irq, NULL,
+ tcpci->port = tcpm_register_port(tcpci->dev, &tcpci->tcpc);
+ if (IS_ERR(tcpci->port))
+ return PTR_ERR(tcpci->port);
+
+ return 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;
-
- tcpci->port = tcpm_register_port(tcpci->dev, &tcpci->tcpc);
- return PTR_ERR_OR_ZERO(tcpci->port);
This leaves the port registered if registering the irq fails.
}
static int tcpci_remove(struct i2c_client *client)
--
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