diff options
Diffstat (limited to 'include/linux/tty.h')
| -rw-r--r-- | include/linux/tty.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index 6570719eafd..56164d7ba0a 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -21,7 +21,6 @@ * (Note: the *_driver.minor_start values 1, 64, 128, 192 are * hardcoded at present.) */ -#define NR_PTYS CONFIG_LEGACY_PTY_COUNT /* Number of legacy ptys */ #define NR_UNIX98_PTY_DEFAULT 4096 /* Default maximum for Unix98 ptys */ #define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */ #define NR_LDISCS 17 @@ -82,11 +81,6 @@ struct tty_bufhead { int memory_used; /* Buffer space used excluding free queue */ }; /* - * The pty uses char_buf and flag_buf as a contiguous buffer - */ -#define PTY_BUF_SIZE 4*TTY_FLIPBUF_SIZE - -/* * When a break, frame error, or parity error happens, these codes are * stuffed into the flags buffer. */ @@ -322,6 +316,9 @@ extern void tty_flip_buffer_push(struct tty_struct *tty); extern speed_t tty_get_baud_rate(struct tty_struct *tty); extern speed_t tty_termios_baud_rate(struct ktermios *termios); extern speed_t tty_termios_input_baud_rate(struct ktermios *termios); +extern void tty_termios_encode_baud_rate(struct ktermios *termios, speed_t ibaud, speed_t obaud); +extern void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, speed_t obaud); +extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old); extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *); extern void tty_ldisc_deref(struct tty_ldisc *); |