[PATCH] usb: typec: tcpci: mask event interrupts when remove driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is to prevent any possible events generated while unregister
tpcm port.

Signed-off-by: Li Jun <jun.li@xxxxxxx>
---
 drivers/usb/typec/tcpm/tcpci.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index c1f7073..3b42ef8 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -581,6 +581,14 @@ static int tcpci_probe(struct i2c_client *client,
 static int tcpci_remove(struct i2c_client *client)
 {
 	struct tcpci_chip *chip = i2c_get_clientdata(client);
+	u16 val = 0;
+	int err;
+
+	/* Disable chip interrupts before unregistger port */
+	err = regmap_raw_write(chip->data.regmap, TCPC_ALERT_MASK, &val,
+			       sizeof(u16));
+	if (err < 0)
+		return err;
 
 	tcpci_unregister_port(chip->tcpci);
 
-- 
2.7.4





[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux