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path: root/drivers/base/regmap/regmap.c
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Diffstat (limited to 'drivers/base/regmap/regmap.c')
-rw-r--r--drivers/base/regmap/regmap.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index cf3565cae93..2fa55c56897 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -37,6 +37,11 @@ struct regmap {
void *work_buf; /* Scratch buffer used to format I/O */
struct regmap_format format; /* Buffer format */
const struct regmap_bus *bus;
+
+ unsigned int max_register;
+ bool (*writeable_reg)(struct device *dev, unsigned int reg);
+ bool (*readable_reg)(struct device *dev, unsigned int reg);
+ bool (*volatile_reg)(struct device *dev, unsigned int reg);
};
static void regmap_format_4_12_write(struct regmap *map,
@@ -116,6 +121,10 @@ struct regmap *regmap_init(struct device *dev,
map->format.val_bytes = config->val_bits / 8;
map->dev = dev;
map->bus = bus;
+ map->max_register = config->max_register;
+ map->writeable_reg = config->writeable_reg;
+ map->readable_reg = config->readable_reg;
+ map->volatile_reg = config->volatile_reg;
switch (config->reg_bits) {
case 4: