diff options
| author | Mark Brown <broonie@linaro.org> | 2014-03-28 11:50:42 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-28 11:50:42 +0000 |
| commit | b3bf36cb6a97fd3b00362cb38c09a7105fc5ad24 (patch) | |
| tree | aaae06a2145a9e0eacd07b45cb3f375214ebe228 /drivers/base/regmap | |
| parent | 6ce6d9c214c9752c7bcebba91ef2302176842870 (diff) | |
| parent | 53e87f88b14c011692ab2cb8c8abc994bdd28ae9 (diff) | |
Merge remote-tracking branch 'regmap/topic/core' into regmap-next
Diffstat (limited to 'drivers/base/regmap')
| -rw-r--r-- | drivers/base/regmap/regmap-debugfs.c | 2 | ||||
| -rw-r--r-- | drivers/base/regmap/regmap.c | 17 |
2 files changed, 11 insertions, 8 deletions
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index c5471cd6ebb..45d812c0ea7 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -511,7 +511,7 @@ void regmap_debugfs_init(struct regmap *map, const char *name) debugfs_create_file("range", 0400, map->debugfs, map, ®map_reg_ranges_fops); - if (map->max_register) { + if (map->max_register || regmap_readable(map, 0)) { debugfs_create_file("registers", 0400, map->debugfs, map, ®map_map_fops); debugfs_create_file("access", 0400, map->debugfs, diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 6a19515f8a4..92d9b79ff93 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -718,7 +718,7 @@ skip_format_initialization: new->window_start = range_cfg->window_start; new->window_len = range_cfg->window_len; - if (_regmap_range_add(map, new) == false) { + if (!_regmap_range_add(map, new)) { dev_err(map->dev, "Failed to add range %d\n", i); kfree(new); goto err_range; @@ -1736,6 +1736,9 @@ static int _regmap_read(struct regmap *map, unsigned int reg, if (map->cache_only) return -EBUSY; + if (!regmap_readable(map, reg)) + return -EIO; + ret = map->reg_read(context, reg, val); if (ret == 0) { #ifdef LOG_DEVICE @@ -1966,9 +1969,11 @@ static int _regmap_update_bits(struct regmap *map, unsigned int reg, if (tmp != orig) { ret = _regmap_write(map, reg, tmp); - *change = true; + if (change) + *change = true; } else { - *change = false; + if (change) + *change = false; } return ret; @@ -1987,11 +1992,10 @@ static int _regmap_update_bits(struct regmap *map, unsigned int reg, int regmap_update_bits(struct regmap *map, unsigned int reg, unsigned int mask, unsigned int val) { - bool change; int ret; map->lock(map->lock_arg); - ret = _regmap_update_bits(map, reg, mask, val, &change); + ret = _regmap_update_bits(map, reg, mask, val, NULL); map->unlock(map->lock_arg); return ret; @@ -2016,14 +2020,13 @@ EXPORT_SYMBOL_GPL(regmap_update_bits); int regmap_update_bits_async(struct regmap *map, unsigned int reg, unsigned int mask, unsigned int val) { - bool change; int ret; map->lock(map->lock_arg); map->async = true; - ret = _regmap_update_bits(map, reg, mask, val, &change); + ret = _regmap_update_bits(map, reg, mask, val, NULL); map->async = false; |