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Merge 3.9-rc7 into driver-core-next

Browse source 
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Greg Kroah-Hartman 2013-04-14 18:37:05 -07:00
commit 0d1d392f01
422 changed files with 4235 additions and 2523 deletions
Download patch file Download diff file Expand all files Collapse all files

60
drivers/base/power/qos.c
View file

@ -46,6 +46,7 @@
#include "power.h"
static DEFINE_MUTEX(dev_pm_qos_mtx);
static DEFINE_MUTEX(dev_pm_qos_sysfs_mtx);
static BLOCKING_NOTIFIER_HEAD(dev_pm_notifiers);
@ -216,12 +217,17 @@ void dev_pm_qos_constraints_destroy(struct device *dev)
struct pm_qos_constraints *c;
struct pm_qos_flags *f;
mutex_lock(&dev_pm_qos_mtx);
mutex_lock(&dev_pm_qos_sysfs_mtx);
/*
* If the device's PM QoS resume latency limit or PM QoS flags have been
* exposed to user space, they have to be hidden at this point.
*/
pm_qos_sysfs_remove_latency(dev);
pm_qos_sysfs_remove_flags(dev);
mutex_lock(&dev_pm_qos_mtx);
__dev_pm_qos_hide_latency_limit(dev);
__dev_pm_qos_hide_flags(dev);
@ -254,6 +260,8 @@ void dev_pm_qos_constraints_destroy(struct device *dev)
out:
mutex_unlock(&dev_pm_qos_mtx);
mutex_unlock(&dev_pm_qos_sysfs_mtx);
}
/**
@ -558,6 +566,14 @@ static void __dev_pm_qos_drop_user_request(struct device *dev,
kfree(req);
}
static void dev_pm_qos_drop_user_request(struct device *dev,
enum dev_pm_qos_req_type type)
{
mutex_lock(&dev_pm_qos_mtx);
__dev_pm_qos_drop_user_request(dev, type);
mutex_unlock(&dev_pm_qos_mtx);
}
/**
* dev_pm_qos_expose_latency_limit - Expose PM QoS latency limit to user space.
* @dev: Device whose PM QoS latency limit is to be exposed to user space.
@ -581,6 +597,8 @@ int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value)
return ret;
}
mutex_lock(&dev_pm_qos_sysfs_mtx);
mutex_lock(&dev_pm_qos_mtx);
if (IS_ERR_OR_NULL(dev->power.qos))
@ -591,26 +609,27 @@ int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value)
if (ret < 0) {
__dev_pm_qos_remove_request(req);
kfree(req);
mutex_unlock(&dev_pm_qos_mtx);
goto out;
}
dev->power.qos->latency_req = req;
mutex_unlock(&dev_pm_qos_mtx);
ret = pm_qos_sysfs_add_latency(dev);
if (ret)
__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY);
dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY);
out:
mutex_unlock(&dev_pm_qos_mtx);
mutex_unlock(&dev_pm_qos_sysfs_mtx);
return ret;
}
EXPORT_SYMBOL_GPL(dev_pm_qos_expose_latency_limit);
static void __dev_pm_qos_hide_latency_limit(struct device *dev)
{
if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->latency_req) {
pm_qos_sysfs_remove_latency(dev);
if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->latency_req)
__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY);
}
}
/**
@ -619,9 +638,15 @@ static void __dev_pm_qos_hide_latency_limit(struct device *dev)
*/
void dev_pm_qos_hide_latency_limit(struct device *dev)
{
mutex_lock(&dev_pm_qos_sysfs_mtx);
pm_qos_sysfs_remove_latency(dev);
mutex_lock(&dev_pm_qos_mtx);
__dev_pm_qos_hide_latency_limit(dev);
mutex_unlock(&dev_pm_qos_mtx);
mutex_unlock(&dev_pm_qos_sysfs_mtx);
}
EXPORT_SYMBOL_GPL(dev_pm_qos_hide_latency_limit);
@ -649,6 +674,8 @@ int dev_pm_qos_expose_flags(struct device *dev, s32 val)
}
pm_runtime_get_sync(dev);
mutex_lock(&dev_pm_qos_sysfs_mtx);
mutex_lock(&dev_pm_qos_mtx);
if (IS_ERR_OR_NULL(dev->power.qos))
@ -659,16 +686,19 @@ int dev_pm_qos_expose_flags(struct device *dev, s32 val)
if (ret < 0) {
__dev_pm_qos_remove_request(req);
kfree(req);
mutex_unlock(&dev_pm_qos_mtx);
goto out;
}
dev->power.qos->flags_req = req;
mutex_unlock(&dev_pm_qos_mtx);
ret = pm_qos_sysfs_add_flags(dev);
if (ret)
__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS);
dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS);
out:
mutex_unlock(&dev_pm_qos_mtx);
mutex_unlock(&dev_pm_qos_sysfs_mtx);
pm_runtime_put(dev);
return ret;
}
@ -676,10 +706,8 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_expose_flags);
static void __dev_pm_qos_hide_flags(struct device *dev)
{
if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->flags_req) {
pm_qos_sysfs_remove_flags(dev);
if (!IS_ERR_OR_NULL(dev->power.qos) && dev->power.qos->flags_req)
__dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS);
}
}
/**
@ -689,9 +717,15 @@ static void __dev_pm_qos_hide_flags(struct device *dev)
void dev_pm_qos_hide_flags(struct device *dev)
{
pm_runtime_get_sync(dev);
mutex_lock(&dev_pm_qos_sysfs_mtx);
pm_qos_sysfs_remove_flags(dev);
mutex_lock(&dev_pm_qos_mtx);
__dev_pm_qos_hide_flags(dev);
mutex_unlock(&dev_pm_qos_mtx);
mutex_unlock(&dev_pm_qos_sysfs_mtx);
pm_runtime_put(dev);
}
EXPORT_SYMBOL_GPL(dev_pm_qos_hide_flags);

2
drivers/base/regmap/regcache-rbtree.c
View file

@ -398,7 +398,7 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min,
base = 0;
if (max < rbnode->base_reg + rbnode->blklen)
end = rbnode->base_reg + rbnode->blklen - max;
end = max - rbnode->base_reg + 1;
else
end = rbnode->blklen;

6
drivers/base/regmap/regmap.c
View file

@ -710,12 +710,12 @@ skip_format_initialization:
}
}
regmap_debugfs_init(map, config->name);
ret = regcache_init(map, config);
if (ret != 0)
goto err_range;
regmap_debugfs_init(map, config->name);
/* Add a devres resource for dev_get_regmap() */
m = devres_alloc(dev_get_regmap_release, sizeof(*m), GFP_KERNEL);
if (!m) {
@ -1036,6 +1036,8 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
kfree(async->work_buf);
kfree(async);
}
return ret;
}
trace_regmap_hw_write_start(map->dev, reg,