memcpy(dst, &buf[item->offset], item->size.bytes);
 }
 
-static inline void __mlxsw_item_memcpy_to(char *buf, char *src,
+static inline void __mlxsw_item_memcpy_to(char *buf, const char *src,
                                          struct mlxsw_item *item)
 {
        memcpy(&buf[item->offset], src, item->size.bytes);
        __mlxsw_item_memcpy_from(buf, dst, &__ITEM_NAME(_type, _cname, _iname));\
 }                                                                              \
 static inline void                                                             \
-mlxsw_##_type##_##_cname##_##_iname##_memcpy_to(char *buf, char *src)          \
+mlxsw_##_type##_##_cname##_##_iname##_memcpy_to(char *buf, const char *src)    \
 {                                                                              \
        __mlxsw_item_memcpy_to(buf, src, &__ITEM_NAME(_type, _cname, _iname));  \
 }