regmap: Correct offset handling in regmap_volatile_range

The current implementation is broken for regmaps that have a reg_stride,
since it doesn't take the stride into account. Correct this by using the
helper function to calculate the register offset.

Fixes: f01ee60fffa4 ("regmap: implement register striding")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index ee302cc..f89d01e 100644 (file)
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -174,7 +174,7 @@ static bool regmap_volatile_range(struct regmap *map, unsigned int reg,
        unsigned int i;
 
        for (i = 0; i < num; i++)
-               if (!regmap_volatile(map, reg + i))
+               if (!regmap_volatile(map, reg + regmap_get_offset(map, i)))
                        return false;
 
        return true;