regmap: Share some of the debugfs infrastructure ready for more files
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
parent
8de2f081ef
commit
21f5554456
|
@ -20,7 +20,14 @@
|
|||
|
||||
static struct dentry *regmap_debugfs_root;
|
||||
|
||||
static int regmap_map_open_file(struct inode *inode, struct file *file)
|
||||
/* Calculate the length of a fixed format */
|
||||
static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size)
|
||||
{
|
||||
snprintf(buf, buf_size, "%x", max_val);
|
||||
return strlen(buf);
|
||||
}
|
||||
|
||||
static int regmap_open_file(struct inode *inode, struct file *file)
|
||||
{
|
||||
file->private_data = inode->i_private;
|
||||
return 0;
|
||||
|
@ -46,8 +53,7 @@ static ssize_t regmap_map_read_file(struct file *file, char __user *user_buf,
|
|||
return -ENOMEM;
|
||||
|
||||
/* Calculate the length of a fixed format */
|
||||
snprintf(buf, count, "%x", map->max_register);
|
||||
reg_len = strlen(buf);
|
||||
reg_len = regmap_calc_reg_len(map->max_register, buf, count);
|
||||
val_len = 2 * map->format.val_bytes;
|
||||
tot_len = reg_len + val_len + 3; /* : \n */
|
||||
|
||||
|
@ -98,7 +104,7 @@ out:
|
|||
}
|
||||
|
||||
static const struct file_operations regmap_map_fops = {
|
||||
.open = regmap_map_open_file,
|
||||
.open = regmap_open_file,
|
||||
.read = regmap_map_read_file,
|
||||
.llseek = default_llseek,
|
||||
};
|
||||
|
|
Loading…
Reference in a new issue