diff options
| -rw-r--r-- | drivers/base/regmap/internal.h | 3 | ||||
| -rw-r--r-- | drivers/base/regmap/regmap-debugfs.c | 14 | ||||
| -rw-r--r-- | drivers/base/regmap/regmap.c | 4 | ||||
| -rw-r--r-- | include/linux/regmap.h | 5 |
4 files changed, 20 insertions, 6 deletions
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index 44e3b1c..9bc1d27 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -48,6 +48,7 @@ struct regmap { #ifdef CONFIG_DEBUG_FS struct dentry *debugfs; + const char *debugfs_name; #endif unsigned int max_register; @@ -111,7 +112,7 @@ int _regmap_write(struct regmap *map, unsigned int reg, #ifdef CONFIG_DEBUG_FS extern void regmap_debugfs_initcall(void); -extern void regmap_debugfs_init(struct regmap *map); +extern void regmap_debugfs_init(struct regmap *map, const char *name); extern void regmap_debugfs_exit(struct regmap *map); #else static inline void regmap_debugfs_initcall(void) { } diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 251eb70..df97c93 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -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) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index e6038bc..40f9101 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -346,7 +346,7 @@ struct regmap *regmap_init(struct device *dev, goto err_map; } - regmap_debugfs_init(map); + regmap_debugfs_init(map, config->name); ret = regcache_init(map, config); if (ret < 0) @@ -431,7 +431,7 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config) map->precious_reg = config->precious_reg; map->cache_type = config->cache_type; - regmap_debugfs_init(map); + regmap_debugfs_init(map, config->name); map->cache_bypass = false; map->cache_only = false; diff --git a/include/linux/regmap.h b/include/linux/regmap.h index f6abc8d..680ddd7 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -46,6 +46,9 @@ struct reg_default { /** * Configuration for the register map of a device. * + * @name: Optional name of the regmap. Useful when a device has multiple + * register regions. + * * @reg_bits: Number of bits in a register address, mandatory. * @pad_bits: Number of bits of padding between register and value. * @val_bits: Number of bits in a register value, mandatory. @@ -77,6 +80,8 @@ struct reg_default { * @num_reg_defaults_raw: Number of elements in reg_defaults_raw. */ struct regmap_config { + const char *name; + int reg_bits; int pad_bits; int val_bits; |
