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Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/devres.c1
-rw-r--r--drivers/base/devtmpfs.c2
-rw-r--r--drivers/base/firmware_class.c11
-rw-r--r--drivers/base/platform.c2
-rw-r--r--drivers/base/power/clock_ops.c40
-rw-r--r--drivers/base/regmap/regmap.c5
6 files changed, 32 insertions, 29 deletions
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index cf7a0c788052..65cd74832450 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -397,6 +397,7 @@ static int remove_nodes(struct device *dev,
static int release_nodes(struct device *dev, struct list_head *first,
struct list_head *end, unsigned long flags)
+ __releases(&dev->devres_lock)
{
LIST_HEAD(todo);
int cnt;
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 33e1bed68fdd..a4760e095ff5 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -376,7 +376,7 @@ int devtmpfs_mount(const char *mntdir)
return err;
}
-static __initdata DECLARE_COMPLETION(setup_done);
+static DECLARE_COMPLETION(setup_done);
static int handle(const char *name, mode_t mode, struct device *dev)
{
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index bbb03e6f7255..06ed6b4e7df5 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -521,11 +521,6 @@ static int _request_firmware(const struct firmware **firmware_p,
if (!firmware_p)
return -EINVAL;
- if (WARN_ON(usermodehelper_is_disabled())) {
- dev_err(device, "firmware: %s will not be loaded\n", name);
- return -EBUSY;
- }
-
*firmware_p = firmware = kzalloc(sizeof(*firmware), GFP_KERNEL);
if (!firmware) {
dev_err(device, "%s: kmalloc(struct firmware) failed\n",
@@ -539,6 +534,12 @@ static int _request_firmware(const struct firmware **firmware_p,
return 0;
}
+ if (WARN_ON(usermodehelper_is_disabled())) {
+ dev_err(device, "firmware: %s will not be loaded\n", name);
+ retval = -EBUSY;
+ goto out;
+ }
+
if (uevent)
dev_dbg(device, "firmware: requesting %s\n", name);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 0cad9c7f6bb5..99a5272d7c2f 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -33,7 +33,7 @@ EXPORT_SYMBOL_GPL(platform_bus);
/**
* arch_setup_pdev_archdata - Allow manipulation of archdata before its used
- * @dev: platform device
+ * @pdev: platform device
*
* This is called before platform_device_add() such that any pdev_archdata may
* be setup before the platform_notifier is called. So if a user needs to
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index a846b2f95cfb..2c18d584066d 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -19,7 +19,7 @@
struct pm_clk_data {
struct list_head clock_list;
- struct mutex lock;
+ spinlock_t lock;
};
enum pce_status {
@@ -73,9 +73,9 @@ int pm_clk_add(struct device *dev, const char *con_id)
}
}
- mutex_lock(&pcd->lock);
+ spin_lock_irq(&pcd->lock);
list_add_tail(&ce->node, &pcd->clock_list);
- mutex_unlock(&pcd->lock);
+ spin_unlock_irq(&pcd->lock);
return 0;
}
@@ -83,8 +83,8 @@ int pm_clk_add(struct device *dev, const char *con_id)
* __pm_clk_remove - Destroy PM clock entry.
* @ce: PM clock entry to destroy.
*
- * This routine must be called under the mutex protecting the PM list of clocks
- * corresponding the the @ce's device.
+ * This routine must be called under the spinlock protecting the PM list of
+ * clocks corresponding the the @ce's device.
*/
static void __pm_clk_remove(struct pm_clock_entry *ce)
{
@@ -123,7 +123,7 @@ void pm_clk_remove(struct device *dev, const char *con_id)
if (!pcd)
return;
- mutex_lock(&pcd->lock);
+ spin_lock_irq(&pcd->lock);
list_for_each_entry(ce, &pcd->clock_list, node) {
if (!con_id && !ce->con_id) {
@@ -137,7 +137,7 @@ void pm_clk_remove(struct device *dev, const char *con_id)
}
}
- mutex_unlock(&pcd->lock);
+ spin_unlock_irq(&pcd->lock);
}
/**
@@ -158,7 +158,7 @@ int pm_clk_init(struct device *dev)
}
INIT_LIST_HEAD(&pcd->clock_list);
- mutex_init(&pcd->lock);
+ spin_lock_init(&pcd->lock);
dev->power.subsys_data = pcd;
return 0;
}
@@ -181,12 +181,12 @@ void pm_clk_destroy(struct device *dev)
dev->power.subsys_data = NULL;
- mutex_lock(&pcd->lock);
+ spin_lock_irq(&pcd->lock);
list_for_each_entry_safe_reverse(ce, c, &pcd->clock_list, node)
__pm_clk_remove(ce);
- mutex_unlock(&pcd->lock);
+ spin_unlock_irq(&pcd->lock);
kfree(pcd);
}
@@ -220,13 +220,14 @@ int pm_clk_suspend(struct device *dev)
{
struct pm_clk_data *pcd = __to_pcd(dev);
struct pm_clock_entry *ce;
+ unsigned long flags;
dev_dbg(dev, "%s()\n", __func__);
if (!pcd)
return 0;
- mutex_lock(&pcd->lock);
+ spin_lock_irqsave(&pcd->lock, flags);
list_for_each_entry_reverse(ce, &pcd->clock_list, node) {
if (ce->status == PCE_STATUS_NONE)
@@ -238,7 +239,7 @@ int pm_clk_suspend(struct device *dev)
}
}
- mutex_unlock(&pcd->lock);
+ spin_unlock_irqrestore(&pcd->lock, flags);
return 0;
}
@@ -251,13 +252,14 @@ int pm_clk_resume(struct device *dev)
{
struct pm_clk_data *pcd = __to_pcd(dev);
struct pm_clock_entry *ce;
+ unsigned long flags;
dev_dbg(dev, "%s()\n", __func__);
if (!pcd)
return 0;
- mutex_lock(&pcd->lock);
+ spin_lock_irqsave(&pcd->lock, flags);
list_for_each_entry(ce, &pcd->clock_list, node) {
if (ce->status == PCE_STATUS_NONE)
@@ -269,7 +271,7 @@ int pm_clk_resume(struct device *dev)
}
}
- mutex_unlock(&pcd->lock);
+ spin_unlock_irqrestore(&pcd->lock, flags);
return 0;
}
@@ -344,6 +346,7 @@ int pm_clk_suspend(struct device *dev)
{
struct pm_clk_data *pcd = __to_pcd(dev);
struct pm_clock_entry *ce;
+ unsigned long flags;
dev_dbg(dev, "%s()\n", __func__);
@@ -351,12 +354,12 @@ int pm_clk_suspend(struct device *dev)
if (!pcd || !dev->driver)
return 0;
- mutex_lock(&pcd->lock);
+ spin_lock_irqsave(&pcd->lock, flags);
list_for_each_entry_reverse(ce, &pcd->clock_list, node)
clk_disable(ce->clk);
- mutex_unlock(&pcd->lock);
+ spin_unlock_irqrestore(&pcd->lock, flags);
return 0;
}
@@ -369,6 +372,7 @@ int pm_clk_resume(struct device *dev)
{
struct pm_clk_data *pcd = __to_pcd(dev);
struct pm_clock_entry *ce;
+ unsigned long flags;
dev_dbg(dev, "%s()\n", __func__);
@@ -376,12 +380,12 @@ int pm_clk_resume(struct device *dev)
if (!pcd || !dev->driver)
return 0;
- mutex_lock(&pcd->lock);
+ spin_lock_irqsave(&pcd->lock, flags);
list_for_each_entry(ce, &pcd->clock_list, node)
clk_enable(ce->clk);
- mutex_unlock(&pcd->lock);
+ spin_unlock_irqrestore(&pcd->lock, flags);
return 0;
}
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 0eef4da1ac61..20663f8dae45 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -168,13 +168,11 @@ struct regmap *regmap_init(struct device *dev,
map->work_buf = kmalloc(map->format.buf_size, GFP_KERNEL);
if (map->work_buf == NULL) {
ret = -ENOMEM;
- goto err_bus;
+ goto err_map;
}
return map;
-err_bus:
- module_put(map->bus->owner);
err_map:
kfree(map);
err:
@@ -188,7 +186,6 @@ EXPORT_SYMBOL_GPL(regmap_init);
void regmap_exit(struct regmap *map)
{
kfree(map->work_buf);
- module_put(map->bus->owner);
kfree(map);
}
EXPORT_SYMBOL_GPL(regmap_exit);
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-31 12:32:34 +0300