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OpenCloudOS-Kernel
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Merge remote-tracking branch 'regulator/topic/core' into regulator-next

This commit is contained in:
Mark Brown 2017-07-03 16:52:16 +01:00
parent 85fd19e432 dbc5595540
commit fcaa3167b2
1 changed files with 18 additions and 28 deletions
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46
drivers/regulator/core.c
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@ -1462,7 +1462,7 @@ static struct regulator_dev *regulator_lookup_by_name(const char *name)
static struct regulator_dev *regulator_dev_lookup(struct device *dev,
const char *supply)
{
struct regulator_dev *r;
struct regulator_dev *r = NULL;
struct device_node *node;
struct regulator_map *map;
const char *devname = NULL;
@ -1489,10 +1489,6 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev,
if (dev)
devname = dev_name(dev);
r = regulator_lookup_by_name(supply);
if (r)
return r;
mutex_lock(&regulator_list_mutex);
list_for_each_entry(map, &regulator_map_list, list) {
/* If the mapping has a device set up it must match */
@ -1508,6 +1504,10 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev,
}
mutex_unlock(&regulator_list_mutex);
if (r)
return r;
r = regulator_lookup_by_name(supply);
if (r)
return r;
@ -4312,41 +4312,31 @@ void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data)
EXPORT_SYMBOL_GPL(regulator_get_init_drvdata);
#ifdef CONFIG_DEBUG_FS
static ssize_t supply_map_read_file(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
static int supply_map_show(struct seq_file *sf, void *data)
{
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
ssize_t len, ret = 0;
struct regulator_map *map;
if (!buf)
return -ENOMEM;
list_for_each_entry(map, &regulator_map_list, list) {
len = snprintf(buf + ret, PAGE_SIZE - ret,
"%s -> %s.%s\n",
rdev_get_name(map->regulator), map->dev_name,
map->supply);
if (len >= 0)
ret += len;
if (ret > PAGE_SIZE) {
ret = PAGE_SIZE;
break;
}
seq_printf(sf, "%s -> %s.%s\n",
rdev_get_name(map->regulator), map->dev_name,
map->supply);
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
return 0;
}
kfree(buf);
return ret;
static int supply_map_open(struct inode *inode, struct file *file)
{
return single_open(file, supply_map_show, inode->i_private);
}
#endif
static const struct file_operations supply_map_fops = {
#ifdef CONFIG_DEBUG_FS
.read = supply_map_read_file,
.llseek = default_llseek,
.open = supply_map_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
#endif
};