drivers/mtd/inftlcore.c

20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/nftl.h>
22 #include <linux/mtd/inftl.h>
23 #include <linux/mtd/rawnand.h>
35 static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
40 	if (!mtd_type_is_nand(mtd) || mtd->size > UINT_MAX)
43 	if (memcmp(mtd->name, "DiskOnChip", 10))
46 	if (!mtd->_block_isbad) {
53 	pr_debug("INFTL: add_mtd for %s\n", mtd->name);
60 	inftl->mbd.mtd = mtd;
136 int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
143 	ops.ooboffs = offs & (mtd->writesize - 1);
148 	res = mtd_read_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
156 int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
163 	ops.ooboffs = offs & (mtd->writesize - 1);
168 	res = mtd_write_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
176 static int inftl_write(struct mtd_info *mtd, loff_t offs, size_t len,
184 	ops.ooblen = mtd->oobsize;
189 	res = mtd_write_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
241 	struct mtd_info *mtd = inftl->mbd.mtd;
272 			if (inftl_read_oob(mtd, (thisEUN * inftl->EraseSize)
333 		ret = mtd_read(mtd,
339 			ret = mtd_read(mtd,
350 		inftl_write(inftl->mbd.mtd, (inftl->EraseSize * targetEUN) +
465 	struct mtd_info *mtd = inftl->mbd.mtd;
485 			inftl_read_oob(mtd, (thisEUN * inftl->EraseSize) +
573 			inftl_read_oob(mtd, thisEUN * inftl->EraseSize
595 		inftl_write_oob(mtd, writeEUN * inftl->EraseSize + 8, 8,
606 		inftl_write_oob(mtd, writeEUN * inftl->EraseSize +
627 	struct mtd_info *mtd = inftl->mbd.mtd;
658 			if (inftl_read_oob(mtd, (thisEUN * inftl->EraseSize)
749 	struct mtd_info *mtd = inftl->mbd.mtd;
759 		if (inftl_read_oob(mtd, (thisEUN * inftl->EraseSize) +
794 		if (inftl_read_oob(mtd, ptr, 8, &retlen, (char *)&bci) < 0)
797 		if (inftl_write_oob(mtd, ptr, 8, &retlen, (char *)&bci) < 0)
838 		inftl_write(inftl->mbd.mtd, (writeEUN * inftl->EraseSize) +
858 	struct mtd_info *mtd = inftl->mbd.mtd;
868 		if (inftl_read_oob(mtd, (thisEUN * inftl->EraseSize) +
907 		int ret = mtd_read(mtd, ptr, SECTORSIZE, &retlen, buffer);