Merge branch 'master' of /usr/src/ntfs-2.6/

5 files changed, 41 insertions, 16 deletions

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index c314156..48718b7 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -536,6 +536,28 @@ void bus_rescan_devices(struct bus_type * bus)
 	bus_for_each_dev(bus, NULL, NULL, bus_rescan_devices_helper);
 }
 
+/**
+ * device_reprobe - remove driver for a device and probe for a new driver
+ * @dev: the device to reprobe
+ *
+ * This function detaches the attached driver (if any) for the given
+ * device and restarts the driver probing process.  It is intended
+ * to use if probing criteria changed during a devices lifetime and
+ * driver attachment should change accordingly.
+ */
+void device_reprobe(struct device *dev)
+{
+	if (dev->driver) {
+		if (dev->parent)        /* Needed for USB */
+			down(&dev->parent->sem);
+		device_release_driver(dev);
+		if (dev->parent)
+			up(&dev->parent->sem);
+	}
+
+	bus_rescan_devices_helper(dev, NULL);
+}
+EXPORT_SYMBOL_GPL(device_reprobe);
 
 struct bus_type * get_bus(struct bus_type * bus)
 {
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 07a7f97..29f3d75 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -141,7 +141,7 @@ int __devinit register_cpu(struct cpu *cpu, int num, struct node *root)
 	return error;
 }
 
-struct sys_device *get_cpu_sysdev(int cpu)
+struct sys_device *get_cpu_sysdev(unsigned cpu)
 {
 	if (cpu < NR_CPUS)
 		return cpu_sys_devices[cpu];
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index e97e911..4723182 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -211,18 +211,20 @@ static int
 fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
 {
 	u8 *new_data;
+	int new_size = fw_priv->alloc_size;
 
 	if (min_size <= fw_priv->alloc_size)
 		return 0;
 
-	new_data = vmalloc(fw_priv->alloc_size + PAGE_SIZE);
+	new_size = ALIGN(min_size, PAGE_SIZE);
+	new_data = vmalloc(new_size);
 	if (!new_data) {
 		printk(KERN_ERR "%s: unable to alloc buffer\n", __FUNCTION__);
 		/* Make sure that we don't keep incomplete data */
 		fw_load_abort(fw_priv);
 		return -ENOMEM;
 	}
-	fw_priv->alloc_size += PAGE_SIZE;
+	fw_priv->alloc_size = new_size;
 	if (fw_priv->fw->data) {
 		memcpy(new_data, fw_priv->fw->data, fw_priv->fw->size);
 		vfree(fw_priv->fw->data);
diff --git a/drivers/base/map.c b/drivers/base/map.c
index b449dae..e87017f 100644
--- a/drivers/base/map.c
+++ b/drivers/base/map.c
@@ -11,6 +11,7 @@
 
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
 #include <linux/kdev_t.h>
 #include <linux/kobject.h>
 #include <linux/kobj_map.h>
@@ -25,7 +26,7 @@ struct kobj_map {
 		int (*lock)(dev_t, void *);
 		void *data;
 	} *probes[255];
-	struct semaphore *sem;
+	struct mutex *lock;
 };
 
 int kobj_map(struct kobj_map *domain, dev_t dev, unsigned long range,
@@ -53,7 +54,7 @@ int kobj_map(struct kobj_map *domain, dev_t dev, unsigned long range,
 		p->range = range;
 		p->data = data;
 	}
-	down(domain->sem);
+	mutex_lock(domain->lock);
 	for (i = 0, p -= n; i < n; i++, p++, index++) {
 		struct probe **s = &domain->probes[index % 255];
 		while (*s && (*s)->range < range)
@@ -61,7 +62,7 @@ int kobj_map(struct kobj_map *domain, dev_t dev, unsigned long range,
 		p->next = *s;
 		*s = p;
 	}
-	up(domain->sem);
+	mutex_unlock(domain->lock);
 	return 0;
 }
 
@@ -75,7 +76,7 @@ void kobj_unmap(struct kobj_map *domain, dev_t dev, unsigned long range)
 	if (n > 255)
 		n = 255;
 
-	down(domain->sem);
+	mutex_lock(domain->lock);
 	for (i = 0; i < n; i++, index++) {
 		struct probe **s;
 		for (s = &domain->probes[index % 255]; *s; s = &(*s)->next) {
@@ -88,7 +89,7 @@ void kobj_unmap(struct kobj_map *domain, dev_t dev, unsigned long range)
 			}
 		}
 	}
-	up(domain->sem);
+	mutex_unlock(domain->lock);
 	kfree(found);
 }
 
@@ -99,7 +100,7 @@ struct kobject *kobj_lookup(struct kobj_map *domain, dev_t dev, int *index)
 	unsigned long best = ~0UL;
 
 retry:
-	down(domain->sem);
+	mutex_lock(domain->lock);
 	for (p = domain->probes[MAJOR(dev) % 255]; p; p = p->next) {
 		struct kobject *(*probe)(dev_t, int *, void *);
 		struct module *owner;
@@ -120,7 +121,7 @@ retry:
 			module_put(owner);
 			continue;
 		}
-		up(domain->sem);
+		mutex_unlock(domain->lock);
 		kobj = probe(dev, index, data);
 		/* Currently ->owner protects _only_ ->probe() itself. */
 		module_put(owner);
@@ -128,11 +129,11 @@ retry:
 			return kobj;
 		goto retry;
 	}
-	up(domain->sem);
+	mutex_unlock(domain->lock);
 	return NULL;
 }
 
-struct kobj_map *kobj_map_init(kobj_probe_t *base_probe, struct semaphore *sem)
+struct kobj_map *kobj_map_init(kobj_probe_t *base_probe, struct mutex *lock)
 {
 	struct kobj_map *p = kmalloc(sizeof(struct kobj_map), GFP_KERNEL);
 	struct probe *base = kzalloc(sizeof(*base), GFP_KERNEL);
@@ -149,6 +150,6 @@ struct kobj_map *kobj_map_init(kobj_probe_t *base_probe, struct semaphore *sem)
 	base->get = base_probe;
 	for (i = 0; i < 255; i++)
 		p->probes[i] = base;
-	p->sem = sem;
+	p->lock = lock;
 	return p;
 }
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 461554a..83f5c59 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -61,7 +61,7 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
 {
 	struct resource *r = platform_get_resource(dev, IORESOURCE_IRQ, num);
 
-	return r ? r->start : 0;
+	return r ? r->start : -ENXIO;
 }
 EXPORT_SYMBOL_GPL(platform_get_irq);
 
@@ -98,7 +98,7 @@ int platform_get_irq_byname(struct platform_device *dev, char *name)
 {
 	struct resource *r = platform_get_resource_byname(dev, IORESOURCE_IRQ, name);
 
-	return r ? r->start : 0;
+	return r ? r->start : -ENXIO;
 }
 EXPORT_SYMBOL_GPL(platform_get_irq_byname);
 
@@ -326,7 +326,7 @@ EXPORT_SYMBOL_GPL(platform_device_register);
  *	platform_device_unregister - unregister a platform-level device
  *	@pdev:	platform device we're unregistering
  *
- *	Unregistration is done in 2 steps. Fisrt we release all resources
+ *	Unregistration is done in 2 steps. First we release all resources
  *	and remove it from the subsystem, then we drop reference count by
  *	calling platform_device_put().
  */