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tty: Define tty_*() printk macros

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Since not all ttys are devices (eg., SysV ptys), dev_*() printk macros
cannot be used. Define tty_*() printk macros that output in similar
format to dev_*() macros (ie., <driver> <tty>: .....).

Transform the most-trivial printk( LEVEL ...) usage to tty_*() usage.
NB: The function name has been eliminated from messages with unique
context, or prefixed to the format when given.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2015-11-08 13:01:13 -05:00 • committed by Greg Kroah-Hartman
parent 0a083eddae
commit 339f36ba14
4 changed files with 27 additions and 28 deletions
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12
include/linux/tty.h
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@ -666,7 +666,17 @@ static inline void proc_tty_register_driver(struct tty_driver *d) {}
static inline void proc_tty_unregister_driver(struct tty_driver *d) {}
#endif
#define tty_msg(fn, tty, f, ...) \
fn("%s %s: " f, tty_driver_name(tty), tty_name(tty), ##__VA_ARGS__)
#define tty_debug(tty, f, ...) \
pr_debug("%s: %s: " f, tty_name(tty), __func__, ##__VA_ARGS__)
tty_msg(pr_debug, tty, "%s:" f, __func__, ##__VA_ARGS__)
#define tty_info(tty, f, ...) tty_msg(pr_info, tty, f, ##__VA_ARGS__)
#define tty_notice(tty, f, ...) tty_msg(pr_notice, tty, f, ##__VA_ARGS__)
#define tty_warn(tty, f, ...) tty_msg(pr_warn, tty, f, ##__VA_ARGS__)
#define tty_err(tty, f, ...) tty_msg(pr_err, tty, f, ##__VA_ARGS__)
#define tty_info_ratelimited(tty, f, ...) \
tty_msg(pr_info_ratelimited, tty, f, ##__VA_ARGS__)
#endif