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regmap: debugfs: Remove scratch buffer for register length calculation 

Now we no longer use the scratch buffer for register length calculation
there is no need for callers to supply one.

Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Mark Brown 2015-09-19 07:31:47 -07:00
parent 176fc2d577
commit 9ae3109d1d
1 changed files with 3 additions and 4 deletions
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7
drivers/base/regmap/regmap-debugfs.c
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@ -30,7 +30,7 @@ static LIST_HEAD(regmap_debugfs_early_list);
static DEFINE_MUTEX(regmap_debugfs_early_lock);
/* Calculate the length of a fixed format */
static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size)
static size_t regmap_calc_reg_len(int max_val)
{
return snprintf(NULL, 0, "%x", max_val);
}
@ -173,8 +173,7 @@ static inline void regmap_calc_tot_len(struct regmap *map,
{
/* Calculate the length of a fixed format */
if (!map->debugfs_tot_len) {
map->debugfs_reg_len = regmap_calc_reg_len(map->max_register,
buf, count);
map->debugfs_reg_len = regmap_calc_reg_len(map->max_register),
map->debugfs_val_len = 2 * map->format.val_bytes;
map->debugfs_tot_len = map->debugfs_reg_len +
map->debugfs_val_len + 3; /* : \n */
@ -420,7 +419,7 @@ static ssize_t regmap_access_read_file(struct file *file,
return -ENOMEM;
/* Calculate the length of a fixed format */
reg_len = regmap_calc_reg_len(map->max_register, buf, count);
reg_len = regmap_calc_reg_len(map->max_register);
tot_len = reg_len + 10; /* ': R W V P\n' */
for (i = 0; i <= map->max_register; i += map->reg_stride) {