- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
- size_t dummy;
- int retval = 0;
-
- loff_t addr = ((loff_t) chunkInNAND) * dev->nBytesPerChunk;
-
- __u8 *spareAsBytes = (__u8 *) spare;
-
- if (data && spare) {
- if (dev->useNANDECC) {
- /* Careful, this call adds 2 ints */
- /* to the end of the spare data. Calling function */
- /* should allocate enough memory for spare, */
- /* i.e. [YAFFS_BYTES_PER_SPARE+2*sizeof(int)]. */
- retval =
- mtd->read_ecc(mtd, addr, dev->nBytesPerChunk,
- &dummy, data, spareAsBytes,
- &yaffs_oobinfo);
- } else {
- retval =
- mtd->read_ecc(mtd, addr, dev->nBytesPerChunk,
- &dummy, data, spareAsBytes,
- &yaffs_noeccinfo);
- }
- } else {
- if (data)
- retval =
- mtd->read(mtd, addr, dev->nBytesPerChunk, &dummy,
- data);
- if (spare)
- retval =
- mtd->read_oob(mtd, addr, YAFFS_BYTES_PER_SPARE,
- &dummy, spareAsBytes);
- }
-
- if (retval == 0)
- return YAFFS_OK;
- else
- return YAFFS_FAIL;
-}
-
-int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber)
-{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
- __u32 addr =
- ((loff_t) blockNumber) * dev->nBytesPerChunk
- * dev->nChunksPerBlock;