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path: root/drivers/mtd/nand/raw/nand_base.c
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Diffstat (limited to 'drivers/mtd/nand/raw/nand_base.c')
-rw-r--r--drivers/mtd/nand/raw/nand_base.c324
1 files changed, 202 insertions, 122 deletions
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index ddd396e93e32..2cf71060d6f8 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -240,10 +240,10 @@ static int check_offs_len(struct nand_chip *chip, loff_t ofs, uint64_t len)
void nand_select_target(struct nand_chip *chip, unsigned int cs)
{
/*
- * cs should always lie between 0 and chip->numchips, when that's not
- * the case it's a bug and the caller should be fixed.
+ * cs should always lie between 0 and nanddev_ntargets(), when that's
+ * not the case it's a bug and the caller should be fixed.
*/
- if (WARN_ON(cs > chip->numchips))
+ if (WARN_ON(cs > nanddev_ntargets(&chip->base)))
return;
chip->cur_cs = cs;
@@ -283,6 +283,31 @@ static void nand_release_device(struct nand_chip *chip)
}
/**
+ * nand_bbm_get_next_page - Get the next page for bad block markers
+ * @chip: NAND chip object
+ * @page: First page to start checking for bad block marker usage
+ *
+ * Returns an integer that corresponds to the page offset within a block, for
+ * a page that is used to store bad block markers. If no more pages are
+ * available, -EINVAL is returned.
+ */
+int nand_bbm_get_next_page(struct nand_chip *chip, int page)
+{
+ struct mtd_info *mtd = nand_to_mtd(chip);
+ int last_page = ((mtd->erasesize - mtd->writesize) >>
+ chip->page_shift) & chip->pagemask;
+
+ if (page == 0 && chip->options & NAND_BBM_FIRSTPAGE)
+ return 0;
+ else if (page <= 1 && chip->options & NAND_BBM_SECONDPAGE)
+ return 1;
+ else if (page <= last_page && chip->options & NAND_BBM_LASTPAGE)
+ return last_page;
+
+ return -EINVAL;
+}
+
+/**
* nand_block_bad - [DEFAULT] Read bad block marker from the chip
* @chip: NAND chip object
* @ofs: offset from device start
@@ -291,18 +316,15 @@ static void nand_release_device(struct nand_chip *chip)
*/
static int nand_block_bad(struct nand_chip *chip, loff_t ofs)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
- int page, page_end, res;
+ int first_page, page_offset;
+ int res;
u8 bad;
- if (chip->bbt_options & NAND_BBT_SCANLASTPAGE)
- ofs += mtd->erasesize - mtd->writesize;
-
- page = (int)(ofs >> chip->page_shift) & chip->pagemask;
- page_end = page + (chip->bbt_options & NAND_BBT_SCAN2NDPAGE ? 2 : 1);
+ first_page = (int)(ofs >> chip->page_shift) & chip->pagemask;
+ page_offset = nand_bbm_get_next_page(chip, 0);
- for (; page < page_end; page++) {
- res = chip->ecc.read_oob(chip, page);
+ while (page_offset >= 0) {
+ res = chip->ecc.read_oob(chip, first_page + page_offset);
if (res < 0)
return res;
@@ -314,6 +336,8 @@ static int nand_block_bad(struct nand_chip *chip, loff_t ofs)
res = hweight8(bad) < chip->badblockbits;
if (res)
return res;
+
+ page_offset = nand_bbm_get_next_page(chip, page_offset + 1);
}
return 0;
@@ -459,8 +483,8 @@ static int nand_do_write_oob(struct nand_chip *chip, loff_t to,
}
/* Invalidate the page cache, if we write to the cached page */
- if (page == chip->pagebuf)
- chip->pagebuf = -1;
+ if (page == chip->pagecache.page)
+ chip->pagecache.page = -1;
nand_fill_oob(chip, ops->oobbuf, ops->ooblen, ops);
@@ -493,7 +517,7 @@ static int nand_default_block_markbad(struct nand_chip *chip, loff_t ofs)
struct mtd_info *mtd = nand_to_mtd(chip);
struct mtd_oob_ops ops;
uint8_t buf[2] = { 0, 0 };
- int ret = 0, res, i = 0;
+ int ret = 0, res, page_offset;
memset(&ops, 0, sizeof(ops));
ops.oobbuf = buf;
@@ -506,17 +530,18 @@ static int nand_default_block_markbad(struct nand_chip *chip, loff_t ofs)
}
ops.mode = MTD_OPS_PLACE_OOB;
- /* Write to first/last page(s) if necessary */
- if (chip->bbt_options & NAND_BBT_SCANLASTPAGE)
- ofs += mtd->erasesize - mtd->writesize;
- do {
- res = nand_do_write_oob(chip, ofs, &ops);
+ page_offset = nand_bbm_get_next_page(chip, 0);
+
+ while (page_offset >= 0) {
+ res = nand_do_write_oob(chip,
+ ofs + (page_offset * mtd->writesize),
+ &ops);
+
if (!ret)
ret = res;
- i++;
- ofs += mtd->writesize;
- } while ((chip->bbt_options & NAND_BBT_SCAN2NDPAGE) && i < 2);
+ page_offset = nand_bbm_get_next_page(chip, page_offset + 1);
+ }
return ret;
}
@@ -3173,7 +3198,7 @@ static int nand_do_read_ops(struct nand_chip *chip, loff_t from,
use_bufpoi = 0;
/* Is the current page in the buffer? */
- if (realpage != chip->pagebuf || oob) {
+ if (realpage != chip->pagecache.page || oob) {
bufpoi = use_bufpoi ? chip->data_buf : buf;
if (use_bufpoi && aligned)
@@ -3199,7 +3224,7 @@ read_retry:
if (ret < 0) {
if (use_bufpoi)
/* Invalidate page cache */
- chip->pagebuf = -1;
+ chip->pagecache.page = -1;
break;
}
@@ -3208,11 +3233,11 @@ read_retry:
if (!NAND_HAS_SUBPAGE_READ(chip) && !oob &&
!(mtd->ecc_stats.failed - ecc_failures) &&
(ops->mode != MTD_OPS_RAW)) {
- chip->pagebuf = realpage;
- chip->pagebuf_bitflips = ret;
+ chip->pagecache.page = realpage;
+ chip->pagecache.bitflips = ret;
} else {
/* Invalidate page cache */
- chip->pagebuf = -1;
+ chip->pagecache.page = -1;
}
memcpy(buf, chip->data_buf + col, bytes);
}
@@ -3252,7 +3277,7 @@ read_retry:
memcpy(buf, chip->data_buf + col, bytes);
buf += bytes;
max_bitflips = max_t(unsigned int, max_bitflips,
- chip->pagebuf_bitflips);
+ chip->pagecache.bitflips);
}
readlen -= bytes;
@@ -3973,9 +3998,9 @@ static int nand_do_write_ops(struct nand_chip *chip, loff_t to,
page = realpage & chip->pagemask;
/* Invalidate the page cache, when we write to the cached page */
- if (to <= ((loff_t)chip->pagebuf << chip->page_shift) &&
- ((loff_t)chip->pagebuf << chip->page_shift) < (to + ops->len))
- chip->pagebuf = -1;
+ if (to <= ((loff_t)chip->pagecache.page << chip->page_shift) &&
+ ((loff_t)chip->pagecache.page << chip->page_shift) < (to + ops->len))
+ chip->pagecache.page = -1;
/* Don't allow multipage oob writes with offset */
if (oob && ops->ooboffs && (ops->ooboffs + ops->ooblen > oobmaxlen)) {
@@ -4004,10 +4029,9 @@ static int nand_do_write_ops(struct nand_chip *chip, loff_t to,
__func__, buf);
if (part_pagewr)
bytes = min_t(int, bytes - column, writelen);
- chip->pagebuf = -1;
- memset(chip->data_buf, 0xff, mtd->writesize);
- memcpy(&chip->data_buf[column], buf, bytes);
- wbuf = chip->data_buf;
+ wbuf = nand_get_data_buf(chip);
+ memset(wbuf, 0xff, mtd->writesize);
+ memcpy(&wbuf[column], buf, bytes);
}
if (unlikely(oob)) {
@@ -4197,9 +4221,9 @@ int nand_erase_nand(struct nand_chip *chip, struct erase_info *instr,
* Invalidate the page cache, if we erase the block which
* contains the current cached page.
*/
- if (page <= chip->pagebuf && chip->pagebuf <
+ if (page <= chip->pagecache.page && chip->pagecache.page <
(page + pages_per_block))
- chip->pagebuf = -1;
+ chip->pagecache.page = -1;
ret = nand_erase_op(chip, (page & chip->pagemask) >>
(chip->phys_erase_shift - chip->page_shift));
@@ -4299,42 +4323,6 @@ static int nand_block_markbad(struct mtd_info *mtd, loff_t ofs)
}
/**
- * nand_max_bad_blocks - [MTD Interface] Max number of bad blocks for an mtd
- * @mtd: MTD device structure
- * @ofs: offset relative to mtd start
- * @len: length of mtd
- */
-static int nand_max_bad_blocks(struct mtd_info *mtd, loff_t ofs, size_t len)
-{
- struct nand_chip *chip = mtd_to_nand(mtd);
- u32 part_start_block;
- u32 part_end_block;
- u32 part_start_die;
- u32 part_end_die;
-
- /*
- * max_bb_per_die and blocks_per_die used to determine
- * the maximum bad block count.
- */
- if (!chip->max_bb_per_die || !chip->blocks_per_die)
- return -ENOTSUPP;
-
- /* Get the start and end of the partition in erase blocks. */
- part_start_block = mtd_div_by_eb(ofs, mtd);
- part_end_block = mtd_div_by_eb(len, mtd) + part_start_block - 1;
-
- /* Get the start and end LUNs of the partition. */
- part_start_die = part_start_block / chip->blocks_per_die;
- part_end_die = part_end_block / chip->blocks_per_die;
-
- /*
- * Look up the bad blocks per unit and multiply by the number of units
- * that the partition spans.
- */
- return chip->max_bb_per_die * (part_end_die - part_start_die + 1);
-}
-
-/**
* nand_suspend - [MTD Interface] Suspend the NAND flash
* @mtd: MTD device structure
*/
@@ -4485,21 +4473,29 @@ static int nand_get_bits_per_cell(u8 cellinfo)
*/
void nand_decode_ext_id(struct nand_chip *chip)
{
+ struct nand_memory_organization *memorg;
struct mtd_info *mtd = nand_to_mtd(chip);
int extid;
u8 *id_data = chip->id.data;
+
+ memorg = nanddev_get_memorg(&chip->base);
+
/* The 3rd id byte holds MLC / multichip data */
- chip->bits_per_cell = nand_get_bits_per_cell(id_data[2]);
+ memorg->bits_per_cell = nand_get_bits_per_cell(id_data[2]);
/* The 4th id byte is the important one */
extid = id_data[3];
/* Calc pagesize */
- mtd->writesize = 1024 << (extid & 0x03);
+ memorg->pagesize = 1024 << (extid & 0x03);
+ mtd->writesize = memorg->pagesize;
extid >>= 2;
/* Calc oobsize */
- mtd->oobsize = (8 << (extid & 0x01)) * (mtd->writesize >> 9);
+ memorg->oobsize = (8 << (extid & 0x01)) * (mtd->writesize >> 9);
+ mtd->oobsize = memorg->oobsize;
extid >>= 2;
/* Calc blocksize. Blocksize is multiples of 64KiB */
+ memorg->pages_per_eraseblock = ((64 * 1024) << (extid & 0x03)) /
+ memorg->pagesize;
mtd->erasesize = (64 * 1024) << (extid & 0x03);
extid >>= 2;
/* Get buswidth information */
@@ -4516,13 +4512,19 @@ EXPORT_SYMBOL_GPL(nand_decode_ext_id);
static void nand_decode_id(struct nand_chip *chip, struct nand_flash_dev *type)
{
struct mtd_info *mtd = nand_to_mtd(chip);
+ struct nand_memory_organization *memorg;
+
+ memorg = nanddev_get_memorg(&chip->base);
+ memorg->pages_per_eraseblock = type->erasesize / type->pagesize;
mtd->erasesize = type->erasesize;
- mtd->writesize = type->pagesize;
- mtd->oobsize = mtd->writesize / 32;
+ memorg->pagesize = type->pagesize;
+ mtd->writesize = memorg->pagesize;
+ memorg->oobsize = memorg->pagesize / 32;
+ mtd->oobsize = memorg->oobsize;
/* All legacy ID NAND are small-page, SLC */
- chip->bits_per_cell = 1;
+ memorg->bits_per_cell = 1;
}
/*
@@ -4536,9 +4538,9 @@ static void nand_decode_bbm_options(struct nand_chip *chip)
/* Set the bad block position */
if (mtd->writesize > 512 || (chip->options & NAND_BUSWIDTH_16))
- chip->badblockpos = NAND_LARGE_BADBLOCK_POS;
+ chip->badblockpos = NAND_BBM_POS_LARGE;
else
- chip->badblockpos = NAND_SMALL_BADBLOCK_POS;
+ chip->badblockpos = NAND_BBM_POS_SMALL;
}
static inline bool is_full_id_nand(struct nand_flash_dev *type)
@@ -4550,18 +4552,28 @@ static bool find_full_id_nand(struct nand_chip *chip,
struct nand_flash_dev *type)
{
struct mtd_info *mtd = nand_to_mtd(chip);
+ struct nand_memory_organization *memorg;
u8 *id_data = chip->id.data;
+ memorg = nanddev_get_memorg(&chip->base);
+
if (!strncmp(type->id, id_data, type->id_len)) {
- mtd->writesize = type->pagesize;
+ memorg->pagesize = type->pagesize;
+ mtd->writesize = memorg->pagesize;
+ memorg->pages_per_eraseblock = type->erasesize /
+ type->pagesize;
mtd->erasesize = type->erasesize;
- mtd->oobsize = type->oobsize;
-
- chip->bits_per_cell = nand_get_bits_per_cell(id_data[2]);
- chip->chipsize = (uint64_t)type->chipsize << 20;
+ memorg->oobsize = type->oobsize;
+ mtd->oobsize = memorg->oobsize;
+
+ memorg->bits_per_cell = nand_get_bits_per_cell(id_data[2]);
+ memorg->eraseblocks_per_lun =
+ DIV_ROUND_DOWN_ULL((u64)type->chipsize << 20,
+ memorg->pagesize *
+ memorg->pages_per_eraseblock);
chip->options |= type->options;
- chip->ecc_strength_ds = NAND_ECC_STRENGTH(type);
- chip->ecc_step_ds = NAND_ECC_STEP(type);
+ chip->base.eccreq.strength = NAND_ECC_STRENGTH(type);
+ chip->base.eccreq.step_size = NAND_ECC_STEP(type);
chip->onfi_timing_mode_default =
type->onfi_timing_mode_default;
@@ -4587,8 +4599,12 @@ static void nand_manufacturer_detect(struct nand_chip *chip)
*/
if (chip->manufacturer.desc && chip->manufacturer.desc->ops &&
chip->manufacturer.desc->ops->detect) {
+ struct nand_memory_organization *memorg;
+
+ memorg = nanddev_get_memorg(&chip->base);
+
/* The 3rd id byte holds MLC / multichip data */
- chip->bits_per_cell = nand_get_bits_per_cell(chip->id.data[2]);
+ memorg->bits_per_cell = nand_get_bits_per_cell(chip->id.data[2]);
chip->manufacturer.desc->ops->detect(chip);
} else {
nand_decode_ext_id(chip);
@@ -4637,9 +4653,20 @@ static int nand_detect(struct nand_chip *chip, struct nand_flash_dev *type)
{
const struct nand_manufacturer *manufacturer;
struct mtd_info *mtd = nand_to_mtd(chip);
+ struct nand_memory_organization *memorg;
int busw, ret;
u8 *id_data = chip->id.data;
u8 maf_id, dev_id;
+ u64 targetsize;
+
+ /*
+ * Let's start by initializing memorg fields that might be left
+ * unassigned by the ID-based detection logic.
+ */
+ memorg = nanddev_get_memorg(&chip->base);
+ memorg->planes_per_lun = 1;
+ memorg->luns_per_target = 1;
+ memorg->ntargets = 1;
/*
* Reset the chip, required by some chips (e.g. Micron MT29FxGxxxxx)
@@ -4735,8 +4762,6 @@ static int nand_detect(struct nand_chip *chip, struct nand_flash_dev *type)
if (!chip->parameters.model)
return -ENOMEM;
- chip->chipsize = (uint64_t)type->chipsize << 20;
-
if (!type->pagesize)
nand_manufacturer_detect(chip);
else
@@ -4745,6 +4770,11 @@ static int nand_detect(struct nand_chip *chip, struct nand_flash_dev *type)
/* Get chip options */
chip->options |= type->options;
+ memorg->eraseblocks_per_lun =
+ DIV_ROUND_DOWN_ULL((u64)type->chipsize << 20,
+ memorg->pagesize *
+ memorg->pages_per_eraseblock);
+
ident_done:
if (!mtd->name)
mtd->name = chip->parameters.model;
@@ -4773,14 +4803,15 @@ ident_done:
/* Calculate the address shift from the page size */
chip->page_shift = ffs(mtd->writesize) - 1;
/* Convert chipsize to number of pages per chip -1 */
- chip->pagemask = (chip->chipsize >> chip->page_shift) - 1;
+ targetsize = nanddev_target_size(&chip->base);
+ chip->pagemask = (targetsize >> chip->page_shift) - 1;
chip->bbt_erase_shift = chip->phys_erase_shift =
ffs(mtd->erasesize) - 1;
- if (chip->chipsize & 0xffffffff)
- chip->chip_shift = ffs((unsigned)chip->chipsize) - 1;
+ if (targetsize & 0xffffffff)
+ chip->chip_shift = ffs((unsigned)targetsize) - 1;
else {
- chip->chip_shift = ffs((unsigned)(chip->chipsize >> 32));
+ chip->chip_shift = ffs((unsigned)(targetsize >> 32));
chip->chip_shift += 32 - 1;
}
@@ -4796,7 +4827,7 @@ ident_done:
pr_info("%s %s\n", nand_manufacturer_name(manufacturer),
chip->parameters.model);
pr_info("%d MiB, %s, erase size: %d KiB, page size: %d, OOB size: %d\n",
- (int)(chip->chipsize >> 20), nand_is_slc(chip) ? "SLC" : "MLC",
+ (int)(targetsize >> 20), nand_is_slc(chip) ? "SLC" : "MLC",
mtd->erasesize >> 10, mtd->writesize, mtd->oobsize);
return 0;
@@ -4971,10 +5002,13 @@ static int nand_scan_ident(struct nand_chip *chip, unsigned int maxchips,
struct nand_flash_dev *table)
{
struct mtd_info *mtd = nand_to_mtd(chip);
+ struct nand_memory_organization *memorg;
int nand_maf_id, nand_dev_id;
unsigned int i;
int ret;
+ memorg = nanddev_get_memorg(&chip->base);
+
/* Assume all dies are deselected when we enter nand_scan_ident(). */
chip->cur_cs = -1;
@@ -4990,12 +5024,6 @@ static int nand_scan_ident(struct nand_chip *chip, unsigned int maxchips,
if (!mtd->name && mtd->dev.parent)
mtd->name = dev_name(mtd->dev.parent);
- /*
- * Start with chips->numchips = maxchips to let nand_select_target() do
- * its job. chip->numchips will be adjusted after.
- */
- chip->numchips = maxchips;
-
/* Set the default functions */
nand_set_defaults(chip);
@@ -5042,8 +5070,8 @@ static int nand_scan_ident(struct nand_chip *chip, unsigned int maxchips,
pr_info("%d chips detected\n", i);
/* Store the number of chips and calc total size for mtd */
- chip->numchips = i;
- mtd->size = i * chip->chipsize;
+ memorg->ntargets = i;
+ mtd->size = i * nanddev_target_size(&chip->base);
return 0;
}
@@ -5078,13 +5106,13 @@ static int nand_set_ecc_soft_ops(struct nand_chip *chip)
ecc->bytes = 3;
ecc->strength = 1;
- if (IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC))
+ if (IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC))
ecc->options |= NAND_ECC_SOFT_HAMMING_SM_ORDER;
return 0;
case NAND_ECC_BCH:
if (!mtd_nand_has_bch()) {
- WARN(1, "CONFIG_MTD_NAND_ECC_BCH not enabled\n");
+ WARN(1, "CONFIG_MTD_NAND_ECC_SW_BCH not enabled\n");
return -EINVAL;
}
ecc->calculate = nand_bch_calculate_ecc;
@@ -5224,8 +5252,8 @@ nand_match_ecc_req(struct nand_chip *chip,
{
struct mtd_info *mtd = nand_to_mtd(chip);
const struct nand_ecc_step_info *stepinfo;
- int req_step = chip->ecc_step_ds;
- int req_strength = chip->ecc_strength_ds;
+ int req_step = chip->base.eccreq.step_size;
+ int req_strength = chip->base.eccreq.strength;
int req_corr, step_size, strength, nsteps, ecc_bytes, ecc_bytes_total;
int best_step, best_strength, best_ecc_bytes;
int best_ecc_bytes_total = INT_MAX;
@@ -5418,7 +5446,7 @@ static bool nand_ecc_strength_good(struct nand_chip *chip)
struct nand_ecc_ctrl *ecc = &chip->ecc;
int corr, ds_corr;
- if (ecc->size == 0 || chip->ecc_step_ds == 0)
+ if (ecc->size == 0 || chip->base.eccreq.step_size == 0)
/* Not enough information */
return true;
@@ -5427,11 +5455,56 @@ static bool nand_ecc_strength_good(struct nand_chip *chip)
* the correction density.
*/
corr = (mtd->writesize * ecc->strength) / ecc->size;
- ds_corr = (mtd->writesize * chip->ecc_strength_ds) / chip->ecc_step_ds;
+ ds_corr = (mtd->writesize * chip->base.eccreq.strength) /
+ chip->base.eccreq.step_size;
- return corr >= ds_corr && ecc->strength >= chip->ecc_strength_ds;
+ return corr >= ds_corr && ecc->strength >= chip->base.eccreq.strength;
}
+static int rawnand_erase(struct nand_device *nand, const struct nand_pos *pos)
+{
+ struct nand_chip *chip = container_of(nand, struct nand_chip,
+ base);
+ unsigned int eb = nanddev_pos_to_row(nand, pos);
+ int ret;
+
+ eb >>= nand->rowconv.eraseblock_addr_shift;
+
+ nand_select_target(chip, pos->target);
+ ret = nand_erase_op(chip, eb);
+ nand_deselect_target(chip);
+
+ return ret;
+}
+
+static int rawnand_markbad(struct nand_device *nand,
+ const struct nand_pos *pos)
+{
+ struct nand_chip *chip = container_of(nand, struct nand_chip,
+ base);
+
+ return nand_markbad_bbm(chip, nanddev_pos_to_offs(nand, pos));
+}
+
+static bool rawnand_isbad(struct nand_device *nand, const struct nand_pos *pos)
+{
+ struct nand_chip *chip = container_of(nand, struct nand_chip,
+ base);
+ int ret;
+
+ nand_select_target(chip, pos->target);
+ ret = nand_isbad_bbm(chip, nanddev_pos_to_offs(nand, pos));
+ nand_deselect_target(chip);
+
+ return ret;
+}
+
+static const struct nand_ops rawnand_ops = {
+ .erase = rawnand_erase,
+ .markbad = rawnand_markbad,
+ .isbad = rawnand_isbad,
+};
+
/**
* nand_scan_tail - Scan for the NAND device
* @chip: NAND chip object
@@ -5687,7 +5760,7 @@ static int nand_scan_tail(struct nand_chip *chip)
chip->subpagesize = mtd->writesize >> mtd->subpage_sft;
/* Invalidate the pagebuffer reference */
- chip->pagebuf = -1;
+ chip->pagecache.page = -1;
/* Large page NAND with SOFT_ECC should support subpage reads */
switch (ecc->mode) {
@@ -5700,10 +5773,15 @@ static int nand_scan_tail(struct nand_chip *chip)
break;
}
+ ret = nanddev_init(&chip->base, &rawnand_ops, mtd->owner);
+ if (ret)
+ goto err_nand_manuf_cleanup;
+
+ /* Adjust the MTD_CAP_ flags when NAND_ROM is set. */
+ if (chip->options & NAND_ROM)
+ mtd->flags = MTD_CAP_ROM;
+
/* Fill in remaining MTD driver data */
- mtd->type = nand_is_slc(chip) ? MTD_NANDFLASH : MTD_MLCNANDFLASH;
- mtd->flags = (chip->options & NAND_ROM) ? MTD_CAP_ROM :
- MTD_CAP_NANDFLASH;
mtd->_erase = nand_erase;
mtd->_point = NULL;
mtd->_unpoint = NULL;
@@ -5719,8 +5797,7 @@ static int nand_scan_tail(struct nand_chip *chip)
mtd->_block_isreserved = nand_block_isreserved;
mtd->_block_isbad = nand_block_isbad;
mtd->_block_markbad = nand_block_markbad;
- mtd->_max_bad_blocks = nand_max_bad_blocks;
- mtd->writebufsize = mtd->writesize;
+ mtd->_max_bad_blocks = nanddev_mtd_max_bad_blocks;
/*
* Initialize bitflip_threshold to its default prior scan_bbt() call.
@@ -5733,13 +5810,13 @@ static int nand_scan_tail(struct nand_chip *chip)
/* Initialize the ->data_interface field. */
ret = nand_init_data_interface(chip);
if (ret)
- goto err_nand_manuf_cleanup;
+ goto err_nanddev_cleanup;
/* Enter fastest possible mode on all dies. */
- for (i = 0; i < chip->numchips; i++) {
+ for (i = 0; i < nanddev_ntargets(&chip->base); i++) {
ret = nand_setup_data_interface(chip, i);
if (ret)
- goto err_nand_manuf_cleanup;
+ goto err_nanddev_cleanup;
}
/* Check, if we should skip the bad block table scan */
@@ -5749,11 +5826,14 @@ static int nand_scan_tail(struct nand_chip *chip)
/* Build bad block table */
ret = nand_create_bbt(chip);
if (ret)
- goto err_nand_manuf_cleanup;
+ goto err_nanddev_cleanup;
return 0;
+err_nanddev_cleanup:
+ nanddev_cleanup(&chip->base);
+
err_nand_manuf_cleanup:
nand_manufacturer_cleanup(chip);