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PM: Remove destroy_suspended_device()

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After 2.6.24 there was a plan to make the PM core acquire all device
semaphores during a suspend/hibernation to protect itself from
concurrent operations involving device objects.  That proved to be
too heavy-handed and we found a better way to achieve the goal, but
before it happened, we had introduced the functions
device_pm_schedule_removal() and destroy_suspended_device() to allow
drivers to "safely" destroy a suspended device and we had adapted some
drivers to use them.  Now that these functions are no longer necessary,
it seems reasonable to remove them and modify their users to use the
normal device unregistration instead.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Rafael J. Wysocki 2008-03-23 20:28:24 +01:00 • committed by Greg Kroah-Hartman
parent 138fe4e069
commit b844eba292
13 changed files with 22 additions and 146 deletions
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10
include/linux/miscdevice.h
View file

@ -43,15 +43,7 @@ struct miscdevice {
};
extern int misc_register(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);
}
extern int misc_deregister(struct miscdevice *misc);
#define MODULE_ALIAS_MISCDEV(minor) \
MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \