
From: Jun Li <jun.li@nxp.com> commit 3ba76256fc4e2a0d7fb26cc95459041ea0e88972 upstream. This is to prevent any possible events generated while unregister tpcm port. Fixes: 74e656d6b055 ("staging: typec: Type-C Port Controller Interface driver (tcpci)") Signed-off-by: Li Jun <jun.li@nxp.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/1579502333-4145-1-git-send-email-jun.li@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/usb/typec/tcpci.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/typec/tcpci.c b/drivers/usb/typec/tcpci.c index c1f7073..dfae41f 100644 --- a/drivers/usb/typec/tcpci.c +++ b/drivers/usb/typec/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); -- 1.8.3