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tty: drop tty_debug_wait_until_sent()

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It's a nop for everyone as TTY_DEBUG_WAIT_UNTIL_SENT is never set.
Provided, we have better debugging/printout mechanisms nowadays, remove
this mechanism.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-8-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-08-10 11:14:41 +02:00 committed by Greg Kroah-Hartman
parent c6e37fe044
commit d1150d2990
1 changed files with 0 additions and 10 deletions
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10
drivers/tty/tty_ioctl.c
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@ -28,14 +28,6 @@
#include <asm/io.h>
#include <linux/uaccess.h>
#undef TTY_DEBUG_WAIT_UNTIL_SENT
#ifdef TTY_DEBUG_WAIT_UNTIL_SENT
# define tty_debug_wait_until_sent(tty, f, args...) tty_debug(tty, f, ##args)
#else
# define tty_debug_wait_until_sent(tty, f, args...) do {} while (0)
#endif
#undef DEBUG
/*
@ -198,8 +190,6 @@ int tty_unthrottle_safe(struct tty_struct *tty)
void tty_wait_until_sent(struct tty_struct *tty, long timeout)
{
tty_debug_wait_until_sent(tty, "wait until sent, timeout=%ld\n", timeout);
if (!timeout)
timeout = MAX_SCHEDULE_TIMEOUT;