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-rw-r--r--arch/x86/kernel/cpuid.c4
-rw-r--r--arch/x86/kernel/msr.c4
-rw-r--r--drivers/base/core.c29
-rw-r--r--drivers/base/power/main.c40
-rw-r--r--drivers/char/hw_random/core.c10
-rw-r--r--drivers/char/misc.c13
-rw-r--r--drivers/leds/led-class.c11
-rw-r--r--drivers/net/wireless/b43/leds.c5
-rw-r--r--drivers/net/wireless/b43/main.c8
-rw-r--r--include/linux/device.h14
-rw-r--r--include/linux/hw_random.h10
-rw-r--r--include/linux/leds.h10
-rw-r--r--include/linux/miscdevice.h10
13 files changed, 22 insertions, 146 deletions
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 288e7a6..daff52a 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -154,12 +154,10 @@ static int __cpuinit cpuid_class_cpu_callback(struct notifier_block *nfb,
err = cpuid_device_create(cpu);
break;
case CPU_UP_CANCELED:
+ case CPU_UP_CANCELED_FROZEN:
case CPU_DEAD:
cpuid_device_destroy(cpu);
break;
- case CPU_UP_CANCELED_FROZEN:
- destroy_suspended_device(cpuid_class, MKDEV(CPUID_MAJOR, cpu));
- break;
}
return err ? NOTIFY_BAD : NOTIFY_OK;
}
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 4dfb405..1f3abe0 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -162,12 +162,10 @@ static int __cpuinit msr_class_cpu_callback(struct notifier_block *nfb,
err = msr_device_create(cpu);
break;
case CPU_UP_CANCELED:
+ case CPU_UP_CANCELED_FROZEN:
case CPU_DEAD:
msr_device_destroy(cpu);
break;
- case CPU_UP_CANCELED_FROZEN:
- destroy_suspended_device(msr_class, MKDEV(MSR_MAJOR, cpu));
- break;
}
return err ? NOTIFY_BAD : NOTIFY_OK;
}
diff --git a/drivers/base/core.c b/drivers/base/core.c
index adbc017..0262fc7 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1163,35 +1163,6 @@ void device_destroy(struct class *class, dev_t devt)
}
EXPORT_SYMBOL_GPL(device_destroy);
-#ifdef CONFIG_PM_SLEEP
-/**
- * destroy_suspended_device - asks the PM core to remove a suspended device
- * @class: pointer to the struct class that this device was registered with
- * @devt: the dev_t of the device that was previously registered
- *
- * This call notifies the PM core of the necessity to unregister a suspended
- * device created with a call to device_create() (devices cannot be
- * unregistered directly while suspended, since the PM core holds their
- * semaphores at that time).
- *
- * It can only be called within the scope of a system sleep transition. In
- * practice this means it has to be directly or indirectly invoked either by
- * a suspend or resume method, or by the PM core (e.g. via
- * disable_nonboot_cpus() or enable_nonboot_cpus()).
- */
-void destroy_suspended_device(struct class *class, dev_t devt)
-{
- struct device *dev;
-
- dev = class_find_device(class, &devt, __match_devt);
- if (dev) {
- device_pm_schedule_removal(dev);
- put_device(dev);
- }
-}
-EXPORT_SYMBOL_GPL(destroy_suspended_device);
-#endif /* CONFIG_PM_SLEEP */
-
/**
* device_rename - renames a device
* @dev: the pointer to the struct device to be renamed
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 5630af3..c4568b8 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -50,7 +50,6 @@
LIST_HEAD(dpm_active);
static LIST_HEAD(dpm_off);
static LIST_HEAD(dpm_off_irq);
-static LIST_HEAD(dpm_destroy);
static DEFINE_MUTEX(dpm_list_mtx);
@@ -104,24 +103,6 @@ void device_pm_remove(struct device *dev)
mutex_unlock(&dpm_list_mtx);
}
-/**
- * device_pm_schedule_removal - schedule the removal of a suspended device
- * @dev: Device to destroy
- *
- * Moves the device to the dpm_destroy list for further processing by
- * unregister_dropped_devices().
- */
-void device_pm_schedule_removal(struct device *dev)
-{
- pr_debug("PM: Preparing for removal: %s:%s\n",
- dev->bus ? dev->bus->name : "No Bus",
- kobject_name(&dev->kobj));
- mutex_lock(&dpm_list_mtx);
- list_move_tail(&dev->power.entry, &dpm_destroy);
- mutex_unlock(&dpm_list_mtx);
-}
-EXPORT_SYMBOL_GPL(device_pm_schedule_removal);
-
/*------------------------- Resume routines -------------------------*/
/**
@@ -246,26 +227,6 @@ static void dpm_resume(void)
}
/**
- * unregister_dropped_devices - Unregister devices scheduled for removal
- *
- * Unregister all devices on the dpm_destroy list.
- */
-static void unregister_dropped_devices(void)
-{
- mutex_lock(&dpm_list_mtx);
- while (!list_empty(&dpm_destroy)) {
- struct list_head *entry = dpm_destroy.next;
- struct device *dev = to_device(entry);
-
- mutex_unlock(&dpm_list_mtx);
- /* This also removes the device from the list */
- device_unregister(dev);
- mutex_lock(&dpm_list_mtx);
- }
- mutex_unlock(&dpm_list_mtx);
-}
-
-/**
* device_resume - Restore state of each device in system.
*
* Resume all the devices, unlock them all, and allow new
@@ -275,7 +236,6 @@ void device_resume(void)
{
might_sleep();
dpm_resume();
- unregister_dropped_devices();
}
EXPORT_SYMBOL_GPL(device_resume);
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 349b6ed..662d60e 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -238,11 +238,11 @@ static DEVICE_ATTR(rng_available, S_IRUGO,
NULL);
-static void unregister_miscdev(bool suspended)
+static void unregister_miscdev(void)
{
device_remove_file(rng_miscdev.this_device, &dev_attr_rng_available);
device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current);
- __misc_deregister(&rng_miscdev, suspended);
+ misc_deregister(&rng_miscdev);
}
static int register_miscdev(void)
@@ -317,7 +317,7 @@ out:
}
EXPORT_SYMBOL_GPL(hwrng_register);
-void __hwrng_unregister(struct hwrng *rng, bool suspended)
+void hwrng_unregister(struct hwrng *rng)
{
int err;
@@ -336,11 +336,11 @@ void __hwrng_unregister(struct hwrng *rng, bool suspended)
}
}
if (list_empty(&rng_list))
- unregister_miscdev(suspended);
+ unregister_miscdev();
mutex_unlock(&rng_mutex);
}
-EXPORT_SYMBOL_GPL(__hwrng_unregister);
+EXPORT_SYMBOL_GPL(hwrng_unregister);
MODULE_DESCRIPTION("H/W Random Number Generator (RNG) driver");
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index a39101f..4d058da 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -232,9 +232,8 @@ int misc_register(struct miscdevice * misc)
}
/**
- * __misc_deregister - unregister a miscellaneous device
+ * misc_deregister - unregister a miscellaneous device
* @misc: device to unregister
- * @suspended: to be set if the function is used during suspend/resume
*
* Unregister a miscellaneous device that was previously
* successfully registered with misc_register(). Success
@@ -242,7 +241,7 @@ int misc_register(struct miscdevice * misc)
* indicates an error.
*/
-int __misc_deregister(struct miscdevice *misc, bool suspended)
+int misc_deregister(struct miscdevice *misc)
{
int i = misc->minor;
@@ -251,11 +250,7 @@ int __misc_deregister(struct miscdevice *misc, bool suspended)
mutex_lock(&misc_mtx);
list_del(&misc->list);
- if (suspended)
- destroy_suspended_device(misc_class,
- MKDEV(MISC_MAJOR, misc->minor));
- else
- device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor));
+ device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor));
if (i < DYNAMIC_MINORS && i>0) {
misc_minors[i>>3] &= ~(1 << (misc->minor & 7));
}
@@ -264,7 +259,7 @@ int __misc_deregister(struct miscdevice *misc, bool suspended)
}
EXPORT_SYMBOL(misc_register);
-EXPORT_SYMBOL(__misc_deregister);
+EXPORT_SYMBOL(misc_deregister);
static int __init misc_init(void)
{
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 4a93878..63aad90 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -139,12 +139,10 @@ EXPORT_SYMBOL_GPL(led_classdev_register);
/**
* __led_classdev_unregister - unregisters a object of led_properties class.
* @led_cdev: the led device to unregister
- * @suspended: indicates whether system-wide suspend or resume is in progress
*
* Unregisters a previously registered via led_classdev_register object.
*/
-void __led_classdev_unregister(struct led_classdev *led_cdev,
- bool suspended)
+void led_classdev_unregister(struct led_classdev *led_cdev)
{
device_remove_file(led_cdev->dev, &dev_attr_brightness);
#ifdef CONFIG_LEDS_TRIGGERS
@@ -155,16 +153,13 @@ void __led_classdev_unregister(struct led_classdev *led_cdev,
up_write(&led_cdev->trigger_lock);
#endif
- if (suspended)
- device_pm_schedule_removal(led_cdev->dev);
- else
- device_unregister(led_cdev->dev);
+ device_unregister(led_cdev->dev);
down_write(&leds_list_lock);
list_del(&led_cdev->node);
up_write(&leds_list_lock);
}
-EXPORT_SYMBOL_GPL(__led_classdev_unregister);
+EXPORT_SYMBOL_GPL(led_classdev_unregister);
static int __init leds_init(void)
{
diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index 0aac1ff..36a9c42 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -116,10 +116,7 @@ static void b43_unregister_led(struct b43_led *led)
{
if (!led->dev)
return;
- if (led->dev->suspend_in_progress)
- led_classdev_unregister_suspended(&led->led_dev);
- else
- led_classdev_unregister(&led->led_dev);
+ led_classdev_unregister(&led->led_dev);
b43_led_turn_off(led->dev, led->index, led->activelow);
led->dev = NULL;
}
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index cf5c046..943cc85 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2804,10 +2804,10 @@ static int b43_rng_read(struct hwrng *rng, u32 * data)
return (sizeof(u16));
}
-static void b43_rng_exit(struct b43_wl *wl, bool suspended)
+static void b43_rng_exit(struct b43_wl *wl)
{
if (wl->rng_initialized)
- __hwrng_unregister(&wl->rng, suspended);
+ hwrng_unregister(&wl->rng);
}
static int b43_rng_init(struct b43_wl *wl)
@@ -3824,7 +3824,7 @@ static void b43_wireless_core_exit(struct b43_wldev *dev)
if (!dev->suspend_in_progress) {
b43_leds_exit(dev);
- b43_rng_exit(dev->wl, false);
+ b43_rng_exit(dev->wl);
}
b43_dma_free(dev);
b43_pio_free(dev);
@@ -4589,7 +4589,7 @@ static int b43_resume(struct ssb_device *dev)
err = b43_wireless_core_start(wldev);
if (err) {
b43_leds_exit(wldev);
- b43_rng_exit(wldev->wl, true);
+ b43_rng_exit(wldev->wl);
b43_wireless_core_exit(wldev);
b43err(wl, "Resume failed at core start\n");
goto out;
diff --git a/include/linux/device.h b/include/linux/device.h
index 441461f..dc3429e 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -545,20 +545,6 @@ extern struct device *device_create(struct class *cls, struct device *parent,
dev_t devt, const char *fmt, ...)
__attribute__((format(printf, 4, 5)));
extern void device_destroy(struct class *cls, dev_t devt);
-#ifdef CONFIG_PM_SLEEP
-extern void destroy_suspended_device(struct class *cls, dev_t devt);
-extern void device_pm_schedule_removal(struct device *);
-#else /* !CONFIG_PM_SLEEP */
-static inline void destroy_suspended_device(struct class *cls, dev_t devt)
-{
- device_destroy(cls, devt);
-}
-
-static inline void device_pm_schedule_removal(struct device *dev)
-{
- device_unregister(dev);
-}
-#endif /* !CONFIG_PM_SLEEP */
/*
* Platform "fixup" functions - allow the platform to have their say
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index 4213182..85d1191 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -44,15 +44,7 @@ struct hwrng {
/** Register a new Hardware Random Number Generator driver. */
extern int hwrng_register(struct hwrng *rng);
/** Unregister a Hardware Random Number Generator driver. */
-extern void __hwrng_unregister(struct hwrng *rng, bool suspended);
-static inline void hwrng_unregister(struct hwrng *rng)
-{
- __hwrng_unregister(rng, false);
-}
-static inline void hwrng_unregister_suspended(struct hwrng *rng)
-{
- __hwrng_unregister(rng, true);
-}
+extern void hwrng_unregister(struct hwrng *rng);
#endif /* __KERNEL__ */
#endif /* LINUX_HWRANDOM_H_ */
diff --git a/include/linux/leds.h b/include/linux/leds.h
index 0201f6f..b07e3d4 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -59,15 +59,7 @@ struct led_classdev {
extern int led_classdev_register(struct device *parent,
struct led_classdev *led_cdev);
-extern void __led_classdev_unregister(struct led_classdev *led_cdev, bool sus);
-static inline void led_classdev_unregister(struct led_classdev *lcd)
-{
- __led_classdev_unregister(lcd, false);
-}
-static inline void led_classdev_unregister_suspended(struct led_classdev *lcd)
-{
- __led_classdev_unregister(lcd, true);
-}
+extern void led_classdev_unregister(struct led_classdev *lcd);
extern void led_classdev_suspend(struct led_classdev *led_cdev);
extern void led_classdev_resume(struct led_classdev *led_cdev);
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 24b30b9..26433ec 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -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) \
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