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Diffstat (limited to 'drivers/base/regmap')
-rw-r--r--drivers/base/regmap/regmap.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 6273ff072f3e..d6c84047b957 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -2613,6 +2613,18 @@ int regmap_get_val_bytes(struct regmap *map)
}
EXPORT_SYMBOL_GPL(regmap_get_val_bytes);
+/**
+ * regmap_get_max_register(): Report the max register value
+ *
+ * Report the max register value, mainly intended to for use by
+ * generic infrastructure built on top of regmap.
+ */
+int regmap_get_max_register(struct regmap *map)
+{
+ return map->max_register ? map->max_register : -EINVAL;
+}
+EXPORT_SYMBOL_GPL(regmap_get_max_register);
+
int regmap_parse_val(struct regmap *map, const void *buf,
unsigned int *val)
{