TTY: export NR_LDISC and N_* line discipline numbers to user-space
Since commit (4564f9e5
: consolidate line discipline number definitions)
the patch moved all line discipline number from a per-architecture termios.h
to a shared one: tty.h. However, prior to this consolidation work, the
line discipline numbers were outside of an ifdef __KERNEL__/endif block
so these numbers used to be exported to user-space.
Since such numbers are kernel ABI anyway, and tty.h is already included
for user- space header processing, just move these relevant defines
outside of the ifdef __KERNEL__/endif block in include/linux/tty.h.
CC: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <ffainelli@freebox.fr>
Acked-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
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1 changed files with 19 additions and 18 deletions
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@ -5,24 +5,6 @@
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* 'tty.h' defines some structures used by tty_io.c and some defines.
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* 'tty.h' defines some structures used by tty_io.c and some defines.
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*/
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*/
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#ifdef __KERNEL__
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#include <linux/fs.h>
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#include <linux/major.h>
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#include <linux/termios.h>
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#include <linux/workqueue.h>
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#include <linux/tty_driver.h>
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#include <linux/tty_ldisc.h>
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#include <linux/mutex.h>
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#include <asm/system.h>
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/*
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* (Note: the *_driver.minor_start values 1, 64, 128, 192 are
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* hardcoded at present.)
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*/
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#define NR_UNIX98_PTY_DEFAULT 4096 /* Default maximum for Unix98 ptys */
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#define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
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#define NR_LDISCS 30
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#define NR_LDISCS 30
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/* line disciplines */
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/* line disciplines */
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@ -53,6 +35,25 @@
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#define N_TRACESINK 23 /* Trace data routing for MIPI P1149.7 */
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#define N_TRACESINK 23 /* Trace data routing for MIPI P1149.7 */
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#define N_TRACEROUTER 24 /* Trace data routing for MIPI P1149.7 */
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#define N_TRACEROUTER 24 /* Trace data routing for MIPI P1149.7 */
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#ifdef __KERNEL__
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#include <linux/fs.h>
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#include <linux/major.h>
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#include <linux/termios.h>
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#include <linux/workqueue.h>
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#include <linux/tty_driver.h>
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#include <linux/tty_ldisc.h>
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#include <linux/mutex.h>
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#include <asm/system.h>
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/*
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* (Note: the *_driver.minor_start values 1, 64, 128, 192 are
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* hardcoded at present.)
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*/
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#define NR_UNIX98_PTY_DEFAULT 4096 /* Default maximum for Unix98 ptys */
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#define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
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/*
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/*
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* This character is the same as _POSIX_VDISABLE: it cannot be used as
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* This character is the same as _POSIX_VDISABLE: it cannot be used as
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* a c_cc[] character, but indicates that a particular special character
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* a c_cc[] character, but indicates that a particular special character
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