-int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_ExtendedTags *tags);
-int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags);
-int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
-int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *state, int *sequenceNumber);
+int yaffs_tags_compat_wr(yaffs_Device *dev,
+ int chunkInNAND,
+ const __u8 *data,
+ const yaffs_ExtendedTags *tags);
+int yaffs_tags_compat_rd(yaffs_Device *dev,
+ int chunkInNAND,
+ __u8 *data,
+ yaffs_ExtendedTags *tags);
+int yaffs_tags_compat_mark_bad(struct yaffs_DeviceStruct *dev,
+ int blockNo);
+int yaffs_tags_compat_query_block(struct yaffs_DeviceStruct *dev,
+ int blockNo,
+ yaffs_BlockState *state,
+ __u32 *sequenceNumber);
+
+void yaffs_calc_tags_ecc(yaffs_Tags *tags);
+int yaffs_check_tags_ecc(yaffs_Tags *tags);
+int yaffs_count_bits(__u8 byte);