diff options
| -rw-r--r-- | include/linux/tty_driver.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 59f1c0b..d2a0035 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -27,8 +27,7 @@ * This routine is called by the kernel to write a series of * characters to the tty device. The characters may come from * user space or kernel space. This routine will return the - * number of characters actually accepted for writing. This - * routine is mandatory. + * number of characters actually accepted for writing. * * Optional: Required for writable devices. * @@ -134,7 +133,7 @@ * This routine notifies the tty driver that it should hangup the * tty device. * - * Required: + * Optional: * * void (*break_ctl)(struct tty_stuct *tty, int state); * |