On Mon, Jan 20, 2020 at 06:43:19AM +0000, 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: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> ---
> 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);
>
> --
> 2.7.4
--
heikki
