Defined in 4 files as a macro:
- drivers/usb/serial/keyspan_usa26msg.h, line 195 (as a macro)
- drivers/usb/serial/keyspan_usa49msg.h, line 198 (as a macro)
- drivers/usb/serial/keyspan_usa67msg.h, line 191 (as a macro)
- drivers/usb/serial/keyspan_usa90msg.h, line 125 (as a macro)