On 1/19/20 10:43 PM, Jun Li wrote:
This is to prevent any possible events generated while unregister
tpcm port.
Fixes: 74e656d6b0551 ("staging: typec: Type-C Port Controller Interface driver (tcpci)")
Signed-off-by: Li Jun <jun.li@xxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/usb/typec/tcpm/tcpci.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index c1f7073..dfae41f 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -581,6 +581,12 @@ static int tcpci_probe(struct i2c_client *client,
static int tcpci_remove(struct i2c_client *client)
{
struct tcpci_chip *chip = i2c_get_clientdata(client);
+ int err;
+
+ /* Disable chip interrupts before unregistering port */
+ err = tcpci_write16(chip->tcpci, TCPC_ALERT_MASK, 0);
+ if (err < 0)
+ return err;
tcpci_unregister_port(chip->tcpci);
