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[PATCH] PM: make it possible to disable console suspending

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Change suspend_console() so that it waits for all consoles to flush the
remaining messages and make it possible to switch the console suspending off
with the help of a Kconfig option.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: Stefan Seyfried <seife@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Rafael J. Wysocki 2006-09-25 23:32:56 -07:00 • committed by Linus Torvalds
parent 940864ddab
commit c8eb8b4025
3 changed files with 19 additions and 0 deletions
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5
include/linux/console.h
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@ -120,9 +120,14 @@ extern void console_stop(struct console *);
extern void console_start(struct console *);
extern int is_console_locked(void);
#ifndef CONFIG_DISABLE_CONSOLE_SUSPEND
/* Suspend and resume console messages over PM events */
extern void suspend_console(void);
extern void resume_console(void);
#else
static inline void suspend_console(void) {}
static inline void resume_console(void) {}
#endif /* CONFIG_DISABLE_CONSOLE_SUSPEND */
/* Some debug stub to catch some of the obvious races in the VT code */
#if 1