regmap: Add functions to check for access on registers

We're going to be using these in quite a few places so factor out the
readable/writable/volatile/precious checks.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 6e304a4e2706..fff8e832a985 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -52,12 +52,10 @@ static ssize_t regmap_map_read_file(struct file *file, char __user *user_buf,
         tot_len = reg_len + val_len + 3;      /* : \n */
 
         for (i = 0; i < map->max_register; i++) {
-                if (map->readable_reg &&
-                    !map->readable_reg(map->dev, i))
+                if (!regmap_readable(map, i))
                         continue;
 
-                if (map->precious_reg &&
-                    map->precious_reg(map->dev, i))
+                if (regmap_precious(map, i))
                         continue;
 
                 /* If we're in the region the user is trying to read */