From 582f55907d3f6cb762af20b56478bf25ef96430e Mon Sep 17 00:00:00 2001 From: Peter Hurley Date: Fri, 17 May 2013 12:49:48 -0400 Subject: tty: Remove TTY_HW_COOK_IN/OUT No in-tree tty driver supports cooked mode in hardware; remove. Signed-off-by: Peter Hurley Signed-off-by: Greg Kroah-Hartman --- include/linux/tty.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'include/linux/tty.h') diff --git a/include/linux/tty.h b/include/linux/tty.h index 8780bd2a272a..82ab69bc9b79 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -309,8 +309,6 @@ struct tty_file_private { #define TTY_LDISC 9 /* Line discipline attached */ #define TTY_LDISC_CHANGING 10 /* Line discipline changing */ #define TTY_LDISC_OPEN 11 /* Line discipline is open */ -#define TTY_HW_COOK_OUT 14 /* Hardware can do output cooking */ -#define TTY_HW_COOK_IN 15 /* Hardware can do input cooking */ #define TTY_PTY_LOCK 16 /* pty private */ #define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */ #define TTY_HUPPED 18 /* Post driver->hangup() */ -- cgit v1.2.3 From f6c8dbe6e50c6e5121d7b6644718207daa008221 Mon Sep 17 00:00:00 2001 From: Peter Hurley Date: Sat, 15 Jun 2013 07:28:28 -0400 Subject: n_tty: Encapsulate minimum_to_wake within N_TTY minimum_to_wake is unique to N_TTY processing, and belongs in per-ldisc data. Add the ldisc method, ldisc_ops::fasync(), to notify line disciplines when signal-driven I/O is enabled or disabled. When enabled for N_TTY (by fcntl(F_SETFL, O_ASYNC)), blocking reader/polls will be woken for any readable input. When disabled, blocking reader/polls are not woken until the read buffer is full. Canonical mode (L_ICANON(tty), n_tty_data::icanon) is not affected by the minimum_to_wake setting. Signed-off-by: Peter Hurley Signed-off-by: Greg Kroah-Hartman --- include/linux/tty.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include/linux/tty.h') diff --git a/include/linux/tty.h b/include/linux/tty.h index 82ab69bc9b79..01ac30efd6a6 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -272,7 +272,6 @@ struct tty_struct { #define N_TTY_BUF_SIZE 4096 unsigned char closing:1; - unsigned short minimum_to_wake; unsigned char *write_buf; int write_cnt; /* If the tty has a pending do_SAK, queue it here - akpm */ -- cgit v1.2.3