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path: root/drivers/base/regmap/regmap-debugfs.c
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Diffstat (limited to 'drivers/base/regmap/regmap-debugfs.c')
-rw-r--r--drivers/base/regmap/regmap-debugfs.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 251eb70f83e..bb1ff175b96 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -80,7 +80,7 @@ static ssize_t regmap_map_read_file(struct file *file, char __user *user_buf,
val_len = 2 * map->format.val_bytes;
tot_len = reg_len + val_len + 3; /* : \n */
- for (i = 0; i < map->max_register + 1; i++) {
+ for (i = 0; i <= map->max_register; i += map->reg_stride) {
if (!regmap_readable(map, i))
continue;
@@ -197,7 +197,7 @@ static ssize_t regmap_access_read_file(struct file *file,
reg_len = regmap_calc_reg_len(map->max_register, buf, count);
tot_len = reg_len + 10; /* ': R W V P\n' */
- for (i = 0; i < map->max_register + 1; i++) {
+ for (i = 0; i <= map->max_register; i += map->reg_stride) {
/* Ignore registers which are neither readable nor writable */
if (!regmap_readable(map, i) && !regmap_writeable(map, i))
continue;
@@ -242,10 +242,17 @@ static const struct file_operations regmap_access_fops = {
.llseek = default_llseek,
};
-void regmap_debugfs_init(struct regmap *map)
+void regmap_debugfs_init(struct regmap *map, const char *name)
{
- map->debugfs = debugfs_create_dir(dev_name(map->dev),
- regmap_debugfs_root);
+ if (name) {
+ map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s",
+ dev_name(map->dev), name);
+ name = map->debugfs_name;
+ } else {
+ name = dev_name(map->dev);
+ }
+
+ map->debugfs = debugfs_create_dir(name, regmap_debugfs_root);
if (!map->debugfs) {
dev_warn(map->dev, "Failed to create debugfs directory\n");
return;
@@ -274,6 +281,7 @@ void regmap_debugfs_init(struct regmap *map)
void regmap_debugfs_exit(struct regmap *map)
{
debugfs_remove_recursive(map->debugfs);
+ kfree(map->debugfs_name);
}
void regmap_debugfs_initcall(void)