Defined in 4 files as a function:
- drivers/isdn/hisax/asuscom.c, line 102 (as a function)
- drivers/isdn/hisax/diva.c, line 156 (as a function)
- drivers/isdn/hisax/elsa.c, line 200 (as a function)
- drivers/isdn/hisax/sedlbauer.c, line 178 (as a function)