Defined in 3 files as a macro:

• drivers/char/cyclades.c, line 284 (as a macro)
• drivers/char/n_tty.c, line 48 (as a macro)
• drivers/char/serial.c, line 54 (as a macro)

Referenced in 3 files:

• drivers/char/cyclades.c, line 897
• drivers/char/n_tty.c, line 1001
• drivers/char/serial.c, line 439