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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2008-02-04 22:30:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 09:44:23 -0800 |
| commit | 533354d4ac48b7df99f18f952e5d51c3f59ba56c (patch) | |
| tree | d1d5616e39d58ce8f27127901d43d4b0b0f69fa5 /include/linux/miscdevice.h | |
| parent | f011e2e2df3393c16b0fdc48e855e909b7e021ee (diff) | |
| download | linux-533354d4ac48b7df99f18f952e5d51c3f59ba56c.tar.gz linux-533354d4ac48b7df99f18f952e5d51c3f59ba56c.tar.xz | |
Misc: Add possibility to remove misc devices during suspend/resume
Make it possible to unregister a misc device object in a safe way during a
suspend/resume cycle.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Len Brown <lenb@kernel.org>
Cc: Greg KH <greg@kroah.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/miscdevice.h')
| -rw-r--r-- | include/linux/miscdevice.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index dff9ea32606a..24b30b9b4f8a 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -43,7 +43,15 @@ struct miscdevice { }; extern int misc_register(struct miscdevice * misc); -extern int misc_deregister(struct miscdevice * misc); +extern int __misc_deregister(struct miscdevice *misc, bool suspended); +static inline int misc_deregister(struct miscdevice *misc) +{ + return __misc_deregister(misc, false); +} +static inline int misc_deregister_suspended(struct miscdevice *misc) +{ + return __misc_deregister(misc, true); +} #define MODULE_ALIAS_MISCDEV(minor) \ MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \ |