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Commit 9ae3109d authored by Mark Brown's avatar Mark Brown
Browse files

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: default avatarMark Brown <broonie@kernel.org>
parent 176fc2d5

drivers/base/regmap/regmap-debugfs.c

+3 −4
Original line number Diff line number Diff line
@@ -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) {