On Thu, Aug 15, 2019 at 12:19:13PM +0800, cy_huang wrote: > diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h > index 303ebde..a6754fb 100644 > --- a/drivers/usb/typec/tcpm/tcpci.h > +++ b/drivers/usb/typec/tcpm/tcpci.h > @@ -130,6 +130,11 @@ struct tcpci_data { > bool enable); > int (*start_drp_toggling)(struct tcpci *tcpci, struct tcpci_data *data, > enum typec_cc_status cc); > + int (*set_vbus)(struct tcpci *tcpci, > + struct tcpci_data *data, bool source, bool sink); > + int (*get_current_limit)(struct tcpci *tcpci, struct tcpci_data *data); > + int (*set_current_limit)(struct tcpci *tcpci, > + struct tcpci_data *data, u32 max_ma, u32 mv); > }; You are adding callbacks here with no users of them, which isn't allowed. Please also submit the code that uses these callbacks at the same time so we can review it all together. thanks, greg k-h