Extern or forward variable declaration include/linux/serdev.h, line 310 [usage...] include/linux/serial_core.h, line 304 [usage...] include/linux/tty_driver.h, line 242 [usage...] Structure include/linux/tty_driver.h, line 293 [usage...] Local variable drivers/staging/gdm724x/gdm_tty.c, line 279 [usage...] drivers/staging/gdm724x/gdm_tty.c, line 315 [usage...] Class, struct, or union member include/linux/serial_core.h, line 320 [usage...]