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-rw-r--r--drivers/base/regmap/regmap.c12
-rw-r--r--include/linux/regmap.h7
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index d6c84047b957..e5eef6f1408a 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -2625,6 +2625,18 @@ int regmap_get_max_register(struct regmap *map)
}
EXPORT_SYMBOL_GPL(regmap_get_max_register);
+/**
+ * regmap_get_reg_stride(): Report the register address stride
+ *
+ * Report the register address stride, mainly intended to for use by
+ * generic infrastructure built on top of regmap.
+ */
+int regmap_get_reg_stride(struct regmap *map)
+{
+ return map->reg_stride;
+}
+EXPORT_SYMBOL_GPL(regmap_get_reg_stride);
+
int regmap_parse_val(struct regmap *map, const void *buf,
unsigned int *val)
{
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 2d87deda79cd..59c55ea0f0b5 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -434,6 +434,7 @@ int regmap_update_bits_check_async(struct regmap *map, unsigned int reg,
bool *change);
int regmap_get_val_bytes(struct regmap *map);
int regmap_get_max_register(struct regmap *map);
+int regmap_get_reg_stride(struct regmap *map);
int regmap_async_complete(struct regmap *map);
bool regmap_can_raw_write(struct regmap *map);
@@ -683,6 +684,12 @@ static inline int regmap_get_max_register(struct regmap *map)
return -EINVAL;
}
+static inline int regmap_get_reg_stride(struct regmap *map)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
static inline int regcache_sync(struct regmap *map)
{
WARN_ONCE(1, "regmap API is disabled");