MLK-16013-12: staging: typec: tcpci: clear pending events before request irq

Clear all possible pending events before request irq.

Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>

diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index 2c847c6..2fddcad 100644 (file)
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c
@@ -498,7 +498,8 @@ static int tcpci_probe(struct i2c_client *client,
        if (err < 0)
                return err;
 
-       /* Disable chip interrupts */
+       /* Clear and disable chip interrupts */
+       tcpci_write16(tcpci, TCPC_ALERT, 0xffff);
        tcpci_write16(tcpci, TCPC_ALERT_MASK, 0);
 
        err = devm_request_threaded_irq(tcpci->dev, client->irq, NULL,