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
--- drivers/usb/typec/tcpci.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- a/drivers/usb/typec/tcpci.c +++ b/drivers/usb/typec/tcpci.c @@ -581,6 +581,12 @@ static int tcpci_probe(struct i2c_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);