diff options
Diffstat (limited to 'drivers/base/regmap/regmap-debugfs.c')
| -rw-r--r-- | drivers/base/regmap/regmap-debugfs.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 1ee3d40861c7..36ce3511c733 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -77,6 +77,17 @@ static void regmap_debugfs_free_dump_cache(struct regmap *map) } } +static bool regmap_printable(struct regmap *map, unsigned int reg) +{ + if (regmap_precious(map, reg)) + return false; + + if (!regmap_readable(map, reg) && !regmap_cached(map, reg)) + return false; + + return true; +} + /* * Work out where the start offset maps into register numbers, bearing * in mind that we suppress hidden registers. @@ -105,8 +116,7 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map, if (list_empty(&map->debugfs_off_cache)) { for (; i <= map->max_register; i += map->reg_stride) { /* Skip unprinted registers, closing off cache entry */ - if (!regmap_readable(map, i) || - regmap_precious(map, i)) { + if (!regmap_printable(map, i)) { if (c) { c->max = p - 1; c->max_reg = i - map->reg_stride; @@ -204,7 +214,7 @@ static ssize_t regmap_read_debugfs(struct regmap *map, unsigned int from, start_reg = regmap_debugfs_get_dump_start(map, from, *ppos, &p); for (i = start_reg; i <= to; i += map->reg_stride) { - if (!regmap_readable(map, i)) + if (!regmap_readable(map, i) && !regmap_cached(map, i)) continue; if (regmap_precious(map, i)) |