EFI_USBFN_IO_PROTOCOL.StopController
The StopController function disables the hardware device by resetting the run/stop bit and powers off the USB controller if necessary.
typedef
EFI_STATUS
(EFIAPI * EFI_USBFN_IO_STOP_CONTROLLER) (
IN EFI_USBFN_IO_PROTOCOL *This
);
This
A pointer to the EFI_USBFN_IO_PROTOCOL instance.
The function returns one of the following values:
Return code | Description |
---|---|
EFI_SUCCESS | The function returned successfully. |
EFI_INVALID_PARAMETER | A parameter is invalid. |
EFI_DEVICE_ERROR | The physical device reported an error. |
This function is available starting in revision 0x00010001 of the EFI_USBFN_IO_PROTOCOL.
Header: User generated