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authorJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-03-21 13:05:45 -0600
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-03-21 13:05:45 -0600
commitd04cdb64212eb5ae6a98026a97dda626e40e8e9a (patch)
treeb6a7dbb21ccfceb915844e9a330b3d3dfcaf3c5b /drivers/base
parent2f8600dff2b140096a7df781884e918a16aa90e0 (diff)
parentec1248e70edc5cf7b485efcc7b41e44e10f422e5 (diff)
Merge ../linux-2.6
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/cpu.c2
-rw-r--r--drivers/base/firmware_class.c6
-rw-r--r--drivers/base/map.c21
-rw-r--r--drivers/base/platform.c4
4 files changed, 18 insertions, 15 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 07a7f97e1de..29f3d7504da 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 e97e911ebf7..47231820523 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 b449dae6f0d..e87017f3685 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 461554a0251..89b26832132 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);