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drivers/base: Convert dev->sem to mutex

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The semaphore is semantically a mutex. Convert it to a real mutex and
fix up a few places where code was relying on semaphore.h to be included
by device.h, as well as the users of the trylock function, as that value
is now reversed.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Thomas Gleixner
2010-01-29 20:39:02 +00:00
committed by Greg Kroah-Hartman
parent 190e8370b8
commit 3142788b79
5 changed files with 8 additions and 8 deletions
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3
drivers/base/core.c
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@ -20,7 +20,6 @@
#include <linux/notifier.h>
#include <linux/genhd.h>
#include <linux/kallsyms.h>
#include <linux/semaphore.h>
#include <linux/mutex.h>
#include <linux/async.h>
@ -559,7 +558,7 @@ void device_initialize(struct device *dev)
dev->kobj.kset = devices_kset;
kobject_init(&dev->kobj, &device_ktype);
INIT_LIST_HEAD(&dev->dma_pools);
init_MUTEX(&dev->sem);
mutex_init(&dev->mutex);
spin_lock_init(&dev->devres_lock);
INIT_LIST_HEAD(&dev->devres_head);
device_pm_init(dev);