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-rw-r--r--drivers/mtd/inftlcore.c63
-rw-r--r--drivers/mtd/inftlmount.c43
-rw-r--r--drivers/mtd/maps/nettel.c2
-rw-r--r--drivers/mtd/mtdblock.c13
-rw-r--r--drivers/mtd/mtdchar.c4
-rw-r--r--drivers/mtd/nftlcore.c144
-rw-r--r--drivers/mtd/nftlmount.c74
7 files changed, 186 insertions, 157 deletions
diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c
index ddd12993780d..3396f0e1ac5f 100644
--- a/drivers/mtd/inftlcore.c
+++ b/drivers/mtd/inftlcore.c
@@ -197,10 +197,11 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
u16 BlockMap[MAX_SECTORS_PER_UNIT];
unsigned char BlockDeleted[MAX_SECTORS_PER_UNIT];
unsigned int thisEUN, prevEUN, status;
+ struct mtd_info *mtd = inftl->mbd.mtd;
int block, silly;
unsigned int targetEUN;
struct inftl_oob oob;
- size_t retlen;
+ size_t retlen;
DEBUG(MTD_DEBUG_LEVEL3, "INFTL: INFTL_foldchain(inftl=%p,thisVUC=%d,"
"pending=%d)\n", inftl, thisVUC, pendingblock);
@@ -226,9 +227,9 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
if ((BlockMap[block] != 0xffff) || BlockDeleted[block])
continue;
- if (MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize)
- + (block * SECTORSIZE), 16 , &retlen,
- (char *)&oob) < 0)
+ if (mtd->read_oob(mtd, (thisEUN * inftl->EraseSize)
+ + (block * SECTORSIZE), 16 , &retlen,
+ (char *)&oob) < 0)
status = SECTOR_IGNORE;
else
status = oob.b.Status | oob.b.Status1;
@@ -288,13 +289,14 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
if (BlockMap[block] == BLOCK_NIL)
continue;
- ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize *
- BlockMap[block]) + (block * SECTORSIZE), SECTORSIZE,
- &retlen, movebuf);
+ ret = mtd->read(mtd, (inftl->EraseSize * BlockMap[block]) +
+ (block * SECTORSIZE), SECTORSIZE, &retlen,
+ movebuf);
if (ret < 0) {
- ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize *
- BlockMap[block]) + (block * SECTORSIZE),
- SECTORSIZE, &retlen, movebuf);
+ ret = mtd->read(mtd,
+ (inftl->EraseSize * BlockMap[block]) +
+ (block * SECTORSIZE), SECTORSIZE,
+ &retlen, movebuf);
if (ret != -EIO)
DEBUG(MTD_DEBUG_LEVEL1, "INFTL: error went "
"away on retry?\n");
@@ -415,6 +417,7 @@ static inline u16 INFTL_findwriteunit(struct INFTLrecord *inftl, unsigned block)
unsigned int thisVUC = block / (inftl->EraseSize / SECTORSIZE);
unsigned int thisEUN, writeEUN, prev_block, status;
unsigned long blockofs = (block * SECTORSIZE) & (inftl->EraseSize -1);
+ struct mtd_info *mtd = inftl->mbd.mtd;
struct inftl_oob oob;
struct inftl_bci bci;
unsigned char anac, nacs, parity;
@@ -434,8 +437,8 @@ static inline u16 INFTL_findwriteunit(struct INFTLrecord *inftl, unsigned block)
silly = MAX_LOOPS;
while (thisEUN <= inftl->lastEUN) {
- MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize) +
- blockofs, 8, &retlen, (char *)&bci);
+ mtd->read_oob(mtd, (thisEUN * inftl->EraseSize) +
+ blockofs, 8, &retlen, (char *)&bci);
status = bci.Status | bci.Status1;
DEBUG(MTD_DEBUG_LEVEL3, "INFTL: status of block %d in "
@@ -522,8 +525,8 @@ hitused:
nacs = 0;
thisEUN = inftl->VUtable[thisVUC];
if (thisEUN != BLOCK_NIL) {
- MTD_READOOB(inftl->mbd.mtd, thisEUN * inftl->EraseSize
- + 8, 8, &retlen, (char *)&oob.u);
+ mtd->read_oob(mtd, thisEUN * inftl->EraseSize
+ + 8, 8, &retlen, (char *)&oob.u);
anac = oob.u.a.ANAC + 1;
nacs = oob.u.a.NACs + 1;
}
@@ -544,8 +547,8 @@ hitused:
oob.u.a.parityPerField = parity;
oob.u.a.discarded = 0xaa;
- MTD_WRITEOOB(inftl->mbd.mtd, writeEUN * inftl->EraseSize + 8, 8,
- &retlen, (char *)&oob.u);
+ mtd->write_oob(mtd, writeEUN * inftl->EraseSize + 8, 8,
+ &retlen, (char *)&oob.u);
/* Also back up header... */
oob.u.b.virtualUnitNo = cpu_to_le16(thisVUC);
@@ -555,8 +558,8 @@ hitused:
oob.u.b.parityPerField = parity;
oob.u.b.discarded = 0xaa;
- MTD_WRITEOOB(inftl->mbd.mtd, writeEUN * inftl->EraseSize +
- SECTORSIZE * 4 + 8, 8, &retlen, (char *)&oob.u);
+ mtd->write_oob(mtd, writeEUN * inftl->EraseSize +
+ SECTORSIZE * 4 + 8, 8, &retlen, (char *)&oob.u);
inftl->PUtable[writeEUN] = inftl->VUtable[thisVUC];
inftl->VUtable[thisVUC] = writeEUN;
@@ -576,6 +579,7 @@ hitused:
*/
static void INFTL_trydeletechain(struct INFTLrecord *inftl, unsigned thisVUC)
{
+ struct mtd_info *mtd = inftl->mbd.mtd;
unsigned char BlockUsed[MAX_SECTORS_PER_UNIT];
unsigned char BlockDeleted[MAX_SECTORS_PER_UNIT];
unsigned int thisEUN, status;
@@ -606,9 +610,9 @@ static void INFTL_trydeletechain(struct INFTLrecord *inftl, unsigned thisVUC)
if (BlockUsed[block] || BlockDeleted[block])
continue;
- if (MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize)
- + (block * SECTORSIZE), 8 , &retlen,
- (char *)&bci) < 0)
+ if (mtd->read_oob(mtd, (thisEUN * inftl->EraseSize)
+ + (block * SECTORSIZE), 8 , &retlen,
+ (char *)&bci) < 0)
status = SECTOR_IGNORE;
else
status = bci.Status | bci.Status1;
@@ -697,6 +701,7 @@ static int INFTL_deleteblock(struct INFTLrecord *inftl, unsigned block)
{
unsigned int thisEUN = inftl->VUtable[block / (inftl->EraseSize / SECTORSIZE)];
unsigned long blockofs = (block * SECTORSIZE) & (inftl->EraseSize - 1);
+ struct mtd_info *mtd = inftl->mbd.mtd;
unsigned int status;
int silly = MAX_LOOPS;
size_t retlen;
@@ -706,8 +711,8 @@ static int INFTL_deleteblock(struct INFTLrecord *inftl, unsigned block)
"block=%d)\n", inftl, block);
while (thisEUN < inftl->nb_blocks) {
- if (MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize) +
- blockofs, 8, &retlen, (char *)&bci) < 0)
+ if (mtd->read_oob(mtd, (thisEUN * inftl->EraseSize) +
+ blockofs, 8, &retlen, (char *)&bci) < 0)
status = SECTOR_IGNORE;
else
status = bci.Status | bci.Status1;
@@ -741,10 +746,10 @@ foundit:
if (thisEUN != BLOCK_NIL) {
loff_t ptr = (thisEUN * inftl->EraseSize) + blockofs;
- if (MTD_READOOB(inftl->mbd.mtd, ptr, 8, &retlen, (char *)&bci) < 0)
+ if (mtd->read_oob(mtd, ptr, 8, &retlen, (char *)&bci) < 0)
return -EIO;
bci.Status = bci.Status1 = SECTOR_DELETED;
- if (MTD_WRITEOOB(inftl->mbd.mtd, ptr, 8, &retlen, (char *)&bci) < 0)
+ if (mtd->write_oob(mtd, ptr, 8, &retlen, (char *)&bci) < 0)
return -EIO;
INFTL_trydeletechain(inftl, block / (inftl->EraseSize / SECTORSIZE));
}
@@ -805,6 +810,7 @@ static int inftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block,
struct INFTLrecord *inftl = (void *)mbd;
unsigned int thisEUN = inftl->VUtable[block / (inftl->EraseSize / SECTORSIZE)];
unsigned long blockofs = (block * SECTORSIZE) & (inftl->EraseSize - 1);
+ struct mtd_info *mtd = inftl->mbd.mtd;
unsigned int status;
int silly = MAX_LOOPS;
struct inftl_bci bci;
@@ -814,8 +820,8 @@ static int inftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block,
"buffer=%p)\n", inftl, block, buffer);
while (thisEUN < inftl->nb_blocks) {
- if (MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize) +
- blockofs, 8, &retlen, (char *)&bci) < 0)
+ if (mtd->read_oob(mtd, (thisEUN * inftl->EraseSize) +
+ blockofs, 8, &retlen, (char *)&bci) < 0)
status = SECTOR_IGNORE;
else
status = bci.Status | bci.Status1;
@@ -853,8 +859,7 @@ foundit:
} else {
size_t retlen;
loff_t ptr = (thisEUN * inftl->EraseSize) + blockofs;
- if (MTD_READ(inftl->mbd.mtd, ptr, SECTORSIZE, &retlen,
- buffer))
+ if (mtd->read(mtd, ptr, SECTORSIZE, &retlen, buffer))
return -EIO;
}
return 0;
diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c
index f89a03795e76..b4cda7d0a52d 100644
--- a/drivers/mtd/inftlmount.c
+++ b/drivers/mtd/inftlmount.c
@@ -57,6 +57,7 @@ static int find_boot_record(struct INFTLrecord *inftl)
unsigned int i, block;
u8 buf[SECTORSIZE];
struct INFTLMediaHeader *mh = &inftl->MediaHdr;
+ struct mtd_info *mtd = inftl->mbd.mtd;
struct INFTLPartition *ip;
size_t retlen;
@@ -80,8 +81,8 @@ static int find_boot_record(struct INFTLrecord *inftl)
* Check for BNAND header first. Then whinge if it's found
* but later checks fail.
*/
- ret = MTD_READ(inftl->mbd.mtd, block * inftl->EraseSize,
- SECTORSIZE, &retlen, buf);
+ ret = mtd->read(mtd, block * inftl->EraseSize,
+ SECTORSIZE, &retlen, buf);
/* We ignore ret in case the ECC of the MediaHeader is invalid
(which is apparently acceptable) */
if (retlen != SECTORSIZE) {
@@ -106,8 +107,9 @@ static int find_boot_record(struct INFTLrecord *inftl)
}
/* To be safer with BIOS, also use erase mark as discriminant */
- if ((ret = MTD_READOOB(inftl->mbd.mtd, block * inftl->EraseSize +
- SECTORSIZE + 8, 8, &retlen, (char *)&h1) < 0)) {
+ if ((ret = mtd->read_oob(mtd, block * inftl->EraseSize +
+ SECTORSIZE + 8, 8, &retlen,
+ (char *)&h1) < 0)) {
printk(KERN_WARNING "INFTL: ANAND header found at "
"0x%x in mtd%d, but OOB data read failed "
"(err %d)\n", block * inftl->EraseSize,
@@ -123,8 +125,8 @@ static int find_boot_record(struct INFTLrecord *inftl)
memcpy(mh, buf, sizeof(struct INFTLMediaHeader));
/* Read the spare media header at offset 4096 */
- MTD_READ(inftl->mbd.mtd, block * inftl->EraseSize + 4096,
- SECTORSIZE, &retlen, buf);
+ mtd->read(mtd, block * inftl->EraseSize + 4096,
+ SECTORSIZE, &retlen, buf);
if (retlen != SECTORSIZE) {
printk(KERN_WARNING "INFTL: Unable to read spare "
"Media Header\n");
@@ -233,7 +235,7 @@ static int find_boot_record(struct INFTLrecord *inftl)
*/
instr->addr = ip->Reserved0 * inftl->EraseSize;
instr->len = inftl->EraseSize;
- MTD_ERASE(inftl->mbd.mtd, instr);
+ mtd->erase(mtd, instr);
}
if ((ip->lastUnit - ip->firstUnit + 1) < ip->virtualUnits) {
printk(KERN_WARNING "INFTL: Media Header "
@@ -387,6 +389,7 @@ int INFTL_formatblock(struct INFTLrecord *inftl, int block)
size_t retlen;
struct inftl_unittail uci;
struct erase_info *instr = &inftl->instr;
+ struct mtd_info *mtd = inftl->mbd.mtd;
int physblock;
DEBUG(MTD_DEBUG_LEVEL3, "INFTL: INFTL_formatblock(inftl=%p,"
@@ -404,8 +407,9 @@ int INFTL_formatblock(struct INFTLrecord *inftl, int block)
/* Erase one physical eraseblock at a time, even though the NAND api
allows us to group them. This way we if we have a failure, we can
mark only the failed block in the bbt. */
- for (physblock = 0; physblock < inftl->EraseSize; physblock += instr->len, instr->addr += instr->len) {
- MTD_ERASE(inftl->mbd.mtd, instr);
+ for (physblock = 0; physblock < inftl->EraseSize;
+ physblock += instr->len, instr->addr += instr->len) {
+ mtd->erase(inftl->mbd.mtd, instr);
if (instr->state == MTD_ERASE_FAILED) {
printk(KERN_WARNING "INFTL: error while formatting block %d\n",
@@ -414,10 +418,10 @@ int INFTL_formatblock(struct INFTLrecord *inftl, int block)
}
/*
- * Check the "freeness" of Erase Unit before updating metadata.
- * FixMe: is this check really necessary? Since we have check the
- * return code after the erase operation.
- */
+ * Check the "freeness" of Erase Unit before updating metadata.
+ * FixMe: is this check really necessary? Since we have check
+ * the return code after the erase operation.
+ */
if (check_free_sectors(inftl, instr->addr, instr->len, 1) != 0)
goto fail;
}
@@ -429,8 +433,7 @@ int INFTL_formatblock(struct INFTLrecord *inftl, int block)
uci.Reserved[2] = 0;
uci.Reserved[3] = 0;
instr->addr = block * inftl->EraseSize + SECTORSIZE * 2;
- if (MTD_WRITEOOB(inftl->mbd.mtd, instr->addr +
- 8, 8, &retlen, (char *)&uci) < 0)
+ if (mtd->write_oob(mtd, instr->addr + 8, 8, &retlen, (char *)&uci) < 0)
goto fail;
return 0;
fail:
@@ -549,6 +552,7 @@ void INFTL_dumpVUchains(struct INFTLrecord *s)
int INFTL_mount(struct INFTLrecord *s)
{
+ struct mtd_info *mtd = s->mbd.mtd;
unsigned int block, first_block, prev_block, last_block;
unsigned int first_logical_block, logical_block, erase_mark;
int chain_length, do_format_chain;
@@ -607,10 +611,11 @@ int INFTL_mount(struct INFTLrecord *s)
break;
}
- if (MTD_READOOB(s->mbd.mtd, block * s->EraseSize + 8,
- 8, &retlen, (char *)&h0) < 0 ||
- MTD_READOOB(s->mbd.mtd, block * s->EraseSize +
- 2 * SECTORSIZE + 8, 8, &retlen, (char *)&h1) < 0) {
+ if (mtd->read_oob(mtd, block * s->EraseSize + 8,
+ 8, &retlen, (char *)&h0) < 0 ||
+ mtd->read_oob(mtd, block * s->EraseSize +
+ 2 * SECTORSIZE + 8, 8, &retlen,
+ (char *)&h1) < 0) {
/* Should never happen? */
do_format_chain++;
break;
diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c
index 20771b2a05e1..0994b5b2e331 100644
--- a/drivers/mtd/maps/nettel.c
+++ b/drivers/mtd/maps/nettel.c
@@ -190,7 +190,7 @@ int nettel_eraseconfig(void)
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&wait_q, &wait);
- ret = MTD_ERASE(mtd, &nettel_erase);
+ ret = mtd->erase(mtd, &nettel_erase);
if (ret) {
set_current_state(TASK_RUNNING);
remove_wait_queue(&wait_q, &wait);
diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index 8e50170137e0..9b0bc20e4d8d 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -71,7 +71,7 @@ static int erase_write (struct mtd_info *mtd, unsigned long pos,
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&wait_q, &wait);
- ret = MTD_ERASE(mtd, &erase);
+ ret = mtd->erase(mtd, &erase);
if (ret) {
set_current_state(TASK_RUNNING);
remove_wait_queue(&wait_q, &wait);
@@ -88,7 +88,7 @@ static int erase_write (struct mtd_info *mtd, unsigned long pos,
* Next, writhe data to flash.
*/
- ret = MTD_WRITE (mtd, pos, len, &retlen, buf);
+ ret = mtd->write(mtd, pos, len, &retlen, buf);
if (ret)
return ret;
if (retlen != len)
@@ -138,7 +138,7 @@ static int do_cached_write (struct mtdblk_dev *mtdblk, unsigned long pos,
mtd->name, pos, len);
if (!sect_size)
- return MTD_WRITE (mtd, pos, len, &retlen, buf);
+ return mtd->write(mtd, pos, len, &retlen, buf);
while (len > 0) {
unsigned long sect_start = (pos/sect_size)*sect_size;
@@ -170,7 +170,8 @@ static int do_cached_write (struct mtdblk_dev *mtdblk, unsigned long pos,
mtdblk->cache_offset != sect_start) {
/* fill the cache with the current sector */
mtdblk->cache_state = STATE_EMPTY;
- ret = MTD_READ(mtd, sect_start, sect_size, &retlen, mtdblk->cache_data);
+ ret = mtd->read(mtd, sect_start, sect_size,
+ &retlen, mtdblk->cache_data);
if (ret)
return ret;
if (retlen != sect_size)
@@ -207,7 +208,7 @@ static int do_cached_read (struct mtdblk_dev *mtdblk, unsigned long pos,
mtd->name, pos, len);
if (!sect_size)
- return MTD_READ (mtd, pos, len, &retlen, buf);
+ return mtd->read(mtd, pos, len, &retlen, buf);
while (len > 0) {
unsigned long sect_start = (pos/sect_size)*sect_size;
@@ -226,7 +227,7 @@ static int do_cached_read (struct mtdblk_dev *mtdblk, unsigned long pos,
mtdblk->cache_offset == sect_start) {
memcpy (buf, mtdblk->cache_data + offset, size);
} else {
- ret = MTD_READ (mtd, pos, size, &retlen, buf);
+ ret = mtd->read(mtd, pos, size, &retlen, buf);
if (ret)
return ret;
if (retlen != size)
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index e75ec5fe7760..b45e7747daa3 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -194,7 +194,7 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
ret = mtd->read_user_prot_reg(mtd, *ppos, len, &retlen, kbuf);
break;
default:
- ret = MTD_READ(mtd, *ppos, len, &retlen, kbuf);
+ ret = mtd->read(mtd, *ppos, len, &retlen, kbuf);
}
/* Nand returns -EBADMSG on ecc errors, but it returns
* the data. For our userspace tools it is important
@@ -205,7 +205,7 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
if (!ret || (ret == -EBADMSG)) {
*ppos += retlen;
if (copy_to_user(buf, kbuf, retlen)) {
- kfree(kbuf);
+ kfree(kbuf);
return -EFAULT;
}
else
diff --git a/drivers/mtd/nftlcore.c b/drivers/mtd/nftlcore.c
index dd03349946c2..359533b33d9b 100644
--- a/drivers/mtd/nftlcore.c
+++ b/drivers/mtd/nftlcore.c
@@ -183,6 +183,7 @@ static u16 NFTL_findfreeblock(struct NFTLrecord *nftl, int desperate )
static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned pendingblock )
{
+ struct mtd_info *mtd = nftl->mbd.mtd;
u16 BlockMap[MAX_SECTORS_PER_UNIT];
unsigned char BlockLastState[MAX_SECTORS_PER_UNIT];
unsigned char BlockFreeFound[MAX_SECTORS_PER_UNIT];
@@ -192,7 +193,7 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
unsigned int targetEUN;
struct nftl_oob oob;
int inplace = 1;
- size_t retlen;
+ size_t retlen;
memset(BlockMap, 0xff, sizeof(BlockMap));
memset(BlockFreeFound, 0, sizeof(BlockFreeFound));
@@ -208,21 +209,21 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
/* Scan to find the Erase Unit which holds the actual data for each
512-byte block within the Chain.
*/
- silly = MAX_LOOPS;
+ silly = MAX_LOOPS;
targetEUN = BLOCK_NIL;
while (thisEUN <= nftl->lastEUN ) {
- unsigned int status, foldmark;
+ unsigned int status, foldmark;
targetEUN = thisEUN;
for (block = 0; block < nftl->EraseSize / 512; block ++) {
- MTD_READOOB(nftl->mbd.mtd,
- (thisEUN * nftl->EraseSize) + (block * 512),
- 16 , &retlen, (char *)&oob);
+ mtd->read_oob(mtd, (thisEUN * nftl->EraseSize) +
+ (block * 512), 16 , &retlen,
+ (char *)&oob);
if (block == 2) {
- foldmark = oob.u.c.FoldMark | oob.u.c.FoldMark1;
- if (foldmark == FOLD_MARK_IN_PROGRESS) {
- DEBUG(MTD_DEBUG_LEVEL1,
- "Write Inhibited on EUN %d\n", thisEUN);
+ foldmark = oob.u.c.FoldMark | oob.u.c.FoldMark1;
+ if (foldmark == FOLD_MARK_IN_PROGRESS) {
+ DEBUG(MTD_DEBUG_LEVEL1,
+ "Write Inhibited on EUN %d\n", thisEUN);
inplace = 0;
} else {
/* There's no other reason not to do inplace,
@@ -231,7 +232,7 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
inplace = 1;
}
}
- status = oob.b.Status | oob.b.Status1;
+ status = oob.b.Status | oob.b.Status1;
BlockLastState[block] = status;
switch(status) {
@@ -326,15 +327,15 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
return BLOCK_NIL;
}
} else {
- /* We put a fold mark in the chain we are folding only if
- we fold in place to help the mount check code. If we do
- not fold in place, it is possible to find the valid
- chain by selecting the longer one */
- oob.u.c.FoldMark = oob.u.c.FoldMark1 = cpu_to_le16(FOLD_MARK_IN_PROGRESS);
- oob.u.c.unused = 0xffffffff;
- MTD_WRITEOOB(nftl->mbd.mtd, (nftl->EraseSize * targetEUN) + 2 * 512 + 8,
- 8, &retlen, (char *)&oob.u);
- }
+ /* We put a fold mark in the chain we are folding only if we
+ fold in place to help the mount check code. If we do not fold in
+ place, it is possible to find the valid chain by selecting the
+ longer one */
+ oob.u.c.FoldMark = oob.u.c.FoldMark1 = cpu_to_le16(FOLD_MARK_IN_PROGRESS);
+ oob.u.c.unused = 0xffffffff;
+ mtd->write_oob(mtd, (nftl->EraseSize * targetEUN) + 2 * 512 + 8,
+ 8, &retlen, (char *)&oob.u);
+ }
/* OK. We now know the location of every block in the Virtual Unit Chain,
and the Erase Unit into which we are supposed to be copying.
@@ -351,20 +352,20 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
continue;
}
- /* copy only in non free block (free blocks can only
+ /* copy only in non free block (free blocks can only
happen in case of media errors or deleted blocks) */
- if (BlockMap[block] == BLOCK_NIL)
- continue;
-
- ret = MTD_READ(nftl->mbd.mtd, (nftl->EraseSize * BlockMap[block]) + (block * 512),
- 512, &retlen, movebuf);
- if (ret < 0) {
- ret = MTD_READ(nftl->mbd.mtd, (nftl->EraseSize * BlockMap[block])
- + (block * 512), 512, &retlen,
- movebuf);
- if (ret != -EIO)
- printk("Error went away on retry.\n");
- }
+ if (BlockMap[block] == BLOCK_NIL)
+ continue;
+
+ ret = mtd->read(mtd, (nftl->EraseSize * BlockMap[block]) + (block * 512),
+ 512, &retlen, movebuf);
+ if (ret < 0) {
+ ret = mtd->read(mtd, (nftl->EraseSize * BlockMap[block])
+ + (block * 512), 512, &retlen,
+ movebuf);
+ if (ret != -EIO)
+ printk("Error went away on retry.\n");
+ }
memset(&oob, 0xff, sizeof(struct nftl_oob));
oob.b.Status = oob.b.Status1 = SECTOR_USED;
@@ -374,13 +375,12 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
}
- /* add the header so that it is now a valid chain */
- oob.u.a.VirtUnitNum = oob.u.a.SpareVirtUnitNum
- = cpu_to_le16(thisVUC);
- oob.u.a.ReplUnitNum = oob.u.a.SpareReplUnitNum = 0xffff;
+ /* add the header so that it is now a valid chain */
+ oob.u.a.VirtUnitNum = oob.u.a.SpareVirtUnitNum = cpu_to_le16(thisVUC);
+ oob.u.a.ReplUnitNum = oob.u.a.SpareReplUnitNum = 0xffff;
- MTD_WRITEOOB(nftl->mbd.mtd, (nftl->EraseSize * targetEUN) + 8,
- 8, &retlen, (char *)&oob.u);
+ mtd->write_oob(mtd, (nftl->EraseSize * targetEUN) + 8,
+ 8, &retlen, (char *)&oob.u);
/* OK. We've moved the whole lot into the new block. Now we have to free the original blocks. */
@@ -397,18 +397,18 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
while (thisEUN <= nftl->lastEUN && thisEUN != targetEUN) {
unsigned int EUNtmp;
- EUNtmp = nftl->ReplUnitTable[thisEUN];
+ EUNtmp = nftl->ReplUnitTable[thisEUN];
- if (NFTL_formatblock(nftl, thisEUN) < 0) {
+ if (NFTL_formatblock(nftl, thisEUN) < 0) {
/* could not erase : mark block as reserved
*/
nftl->ReplUnitTable[thisEUN] = BLOCK_RESERVED;
- } else {
+ } else {
/* correctly erased : mark it as free */
nftl->ReplUnitTable[thisEUN] = BLOCK_FREE;
nftl->numfreeEUNs++;
- }
- thisEUN = EUNtmp;
+ }
+ thisEUN = EUNtmp;
}
/* Make this the new start of chain for thisVUC */
@@ -474,6 +474,7 @@ static inline u16 NFTL_findwriteunit(struct NFTLrecord *nftl, unsigned block)
{
u16 lastEUN;
u16 thisVUC = block / (nftl->EraseSize / 512);
+ struct mtd_info *mtd = nftl->mbd.mtd;
unsigned int writeEUN;
unsigned long blockofs = (block * 512) & (nftl->EraseSize -1);
size_t retlen;
@@ -490,21 +491,22 @@ static inline u16 NFTL_findwriteunit(struct NFTLrecord *nftl, unsigned block)
*/
lastEUN = BLOCK_NIL;
writeEUN = nftl->EUNtable[thisVUC];
- silly = MAX_LOOPS;
+ silly = MAX_LOOPS;
while (writeEUN <= nftl->lastEUN) {
struct nftl_bci bci;
size_t retlen;
- unsigned int status;
+ unsigned int status;
lastEUN = writeEUN;
- MTD_READOOB(nftl->mbd.mtd, (writeEUN * nftl->EraseSize) + blockofs,
- 8, &retlen, (char *)&bci);
+ mtd->read_oob(mtd,
+ (writeEUN * nftl->EraseSize) + blockofs,
+ 8, &retlen, (char *)&bci);
DEBUG(MTD_DEBUG_LEVEL2, "Status of block %d in EUN %d is %x\n",
block , writeEUN, le16_to_cpu(bci.Status));
- status = bci.Status | bci.Status1;
+ status = bci.Status | bci.Status1;
switch(status) {
case SECTOR_FREE:
return writeEUN;
@@ -575,10 +577,10 @@ static inline u16 NFTL_findwriteunit(struct NFTLrecord *nftl, unsigned block)
/* We've found a free block. Insert it into the chain. */
if (lastEUN != BLOCK_NIL) {
- thisVUC |= 0x8000; /* It's a replacement block */
+ thisVUC |= 0x8000; /* It's a replacement block */
} else {
- /* The first block in a new chain */
- nftl->EUNtable[thisVUC] = writeEUN;
+ /* The first block in a new chain */
+ nftl->EUNtable[thisVUC] = writeEUN;
}
/* set up the actual EUN we're writing into */
@@ -586,29 +588,29 @@ static inline u16 NFTL_findwriteunit(struct NFTLrecord *nftl, unsigned block)
nftl->ReplUnitTable[writeEUN] = BLOCK_NIL;
/* ... and on the flash itself */
- MTD_READOOB(nftl->mbd.mtd, writeEUN * nftl->EraseSize + 8, 8,
- &retlen, (char *)&oob.u);
+ mtd->read_oob(mtd, writeEUN * nftl->EraseSize + 8, 8,
+ &retlen, (char *)&oob.u);
oob.u.a.VirtUnitNum = oob.u.a.SpareVirtUnitNum = cpu_to_le16(thisVUC);
- MTD_WRITEOOB(nftl->mbd.mtd, writeEUN * nftl->EraseSize + 8, 8,
- &retlen, (char *)&oob.u);
+ mtd->write_oob(mtd, writeEUN * nftl->EraseSize + 8, 8,
+ &retlen, (char *)&oob.u);
- /* we link the new block to the chain only after the
+ /* we link the new block to the chain only after the
block is ready. It avoids the case where the chain
could point to a free block */
- if (lastEUN != BLOCK_NIL) {
+ if (lastEUN != BLOCK_NIL) {
/* Both in our cache... */
nftl->ReplUnitTable[lastEUN] = writeEUN;
/* ... and on the flash itself */
- MTD_READOOB(nftl->mbd.mtd, (lastEUN * nftl->EraseSize) + 8,
- 8, &retlen, (char *)&oob.u);
+ mtd->read_oob(mtd, (lastEUN * nftl->EraseSize) + 8,
+ 8, &retlen, (char *)&oob.u);
oob.u.a.ReplUnitNum = oob.u.a.SpareReplUnitNum
= cpu_to_le16(writeEUN);
- MTD_WRITEOOB(nftl->mbd.mtd, (lastEUN * nftl->EraseSize) + 8,
- 8, &retlen, (char *)&oob.u);
+ mtd->write_oob(mtd, (lastEUN * nftl->EraseSize) + 8,
+ 8, &retlen, (char *)&oob.u);
}
return writeEUN;
@@ -652,20 +654,22 @@ static int nftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block,
char *buffer)
{
struct NFTLrecord *nftl = (void *)mbd;
+ struct mtd_info *mtd = nftl->mbd.mtd;
u16 lastgoodEUN;
u16 thisEUN = nftl->EUNtable[block / (nftl->EraseSize / 512)];
unsigned long blockofs = (block * 512) & (nftl->EraseSize - 1);
- unsigned int status;
+ unsigned int status;
int silly = MAX_LOOPS;
- size_t retlen;
- struct nftl_bci bci;
+ size_t retlen;
+ struct nftl_bci bci;
lastgoodEUN = BLOCK_NIL;
- if (thisEUN != BLOCK_NIL) {
+ if (thisEUN != BLOCK_NIL) {
while (thisEUN < nftl->nb_blocks) {
- if (MTD_READOOB(nftl->mbd.mtd, (thisEUN * nftl->EraseSize) + blockofs,
- 8, &retlen, (char *)&bci) < 0)
+ if (mtd->read_oob(mtd, (thisEUN * nftl->EraseSize) +
+ blockofs, 8, &retlen,
+ (char *)&bci) < 0)
status = SECTOR_IGNORE;
else
status = bci.Status | bci.Status1;
@@ -695,7 +699,7 @@ static int nftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block,
}
thisEUN = nftl->ReplUnitTable[thisEUN];
}
- }
+ }
the_end:
if (lastgoodEUN == BLOCK_NIL) {
@@ -704,7 +708,7 @@ static int nftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block,
} else {
loff_t ptr = (lastgoodEUN * nftl->EraseSize) + blockofs;
size_t retlen;
- if (MTD_READ(nftl->mbd.mtd, ptr, 512, &retlen, buffer))
+ if (mtd->read(mtd, ptr, 512, &retlen, buffer))
return -EIO;
}
return 0;
diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c
index 90e5e7e97fdc..521b07cd2326 100644
--- a/drivers/mtd/nftlmount.c
+++ b/drivers/mtd/nftlmount.c
@@ -45,6 +45,7 @@ static int find_boot_record(struct NFTLrecord *nftl)
size_t retlen;
u8 buf[SECTORSIZE];
struct NFTLMediaHeader *mh = &nftl->MediaHdr;
+ struct mtd_info *mtd = nftl->mbd.mtd;
unsigned int i;
/* Assume logical EraseSize == physical erasesize for starting the scan.
@@ -65,7 +66,8 @@ static int find_boot_record(struct NFTLrecord *nftl)
/* Check for ANAND header first. Then can whinge if it's found but later
checks fail */
- ret = MTD_READ(nftl->mbd.mtd, block * nftl->EraseSize, SECTORSIZE, &retlen, buf);
+ ret = mtd->read(mtd, block * nftl->EraseSize, SECTORSIZE,
+ &retlen, buf);
/* We ignore ret in case the ECC of the MediaHeader is invalid
(which is apparently acceptable) */
if (retlen != SECTORSIZE) {
@@ -90,8 +92,9 @@ static int find_boot_record(struct NFTLrecord *nftl)
}
/* To be safer with BIOS, also use erase mark as discriminant */
- if ((ret = MTD_READOOB(nftl->mbd.mtd, block * nftl->EraseSize + SECTORSIZE + 8,
- 8, &retlen, (char *)&h1) < 0)) {
+ if ((ret = mtd->read_oob(mtd, block * nftl->EraseSize +
+ SECTORSIZE + 8, 8, &retlen,
+ (char *)&h1) < 0)) {
printk(KERN_WARNING "ANAND header found at 0x%x in mtd%d, but OOB data read failed (err %d)\n",
block * nftl->EraseSize, nftl->mbd.mtd->index, ret);
continue;
@@ -109,8 +112,8 @@ static int find_boot_record(struct NFTLrecord *nftl)
}
/* Finally reread to check ECC */
- if ((ret = MTD_READECC(nftl->mbd.mtd, block * nftl->EraseSize, SECTORSIZE,
- &retlen, buf, (char *)&oob, NULL) < 0)) {
+ if ((ret = mtd->read(mtd, block * nftl->EraseSize, SECTORSIZE,
+ &retlen, buf) < 0)) {
printk(KERN_NOTICE "ANAND header found at 0x%x in mtd%d, but ECC read failed (err %d)\n",
block * nftl->EraseSize, nftl->mbd.mtd->index, ret);
continue;
@@ -228,9 +231,9 @@ device is already correct.
The new DiskOnChip driver already scanned the bad block table. Just query it.
if ((i & (SECTORSIZE - 1)) == 0) {
/* read one sector for every SECTORSIZE of blocks */
- if ((ret = MTD_READECC(nftl->mbd.mtd, block * nftl->EraseSize +
- i + SECTORSIZE, SECTORSIZE, &retlen, buf,
- (char *)&oob, NULL)) < 0) {
+ if ((ret = mtd->read(nftl->mbd.mtd, block * nftl->EraseSize +
+ i + SECTORSIZE, SECTORSIZE, &retlen,
+ buf)) < 0) {
printk(KERN_NOTICE "Read of bad sector table failed (err %d)\n",
ret);
kfree(nftl->ReplUnitTable);
@@ -305,10 +308,11 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
unsigned int nb_erases, erase_mark;
struct nftl_uci1 uci;
struct erase_info *instr = &nftl->instr;
+ struct mtd_info *mtd = nftl->mbd.mtd;
/* Read the Unit Control Information #1 for Wear-Leveling */
- if (MTD_READOOB(nftl->mbd.mtd, block * nftl->EraseSize + SECTORSIZE + 8,
- 8, &retlen, (char *)&uci) < 0)
+ if (mtd->read_oob(mtd, block * nftl->EraseSize + SECTORSIZE + 8,
+ 8, &retlen, (char *)&uci) < 0)
goto default_uci1;
erase_mark = le16_to_cpu ((uci.EraseMark | uci.EraseMark1));
@@ -325,7 +329,7 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
instr->mtd = nftl->mbd.mtd;
instr->addr = block * nftl->EraseSize;
instr->len = nftl->EraseSize;
- MTD_ERASE(nftl->mbd.mtd, instr);
+ mtd->erase(mtd, instr);
if (instr->state == MTD_ERASE_FAILED) {
printk("Error while formatting block %d\n", block);
@@ -347,8 +351,8 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
goto fail;
uci.WearInfo = le32_to_cpu(nb_erases);
- if (MTD_WRITEOOB(nftl->mbd.mtd, block * nftl->EraseSize + SECTORSIZE + 8, 8,
- &retlen, (char *)&uci) < 0)
+ if (mtd->write_oob(mtd, block * nftl->EraseSize + SECTORSIZE +
+ 8, 8, &retlen, (char *)&uci) < 0)
goto fail;
return 0;
fail:
@@ -369,6 +373,7 @@ fail:
* case. */
static void check_sectors_in_chain(struct NFTLrecord *nftl, unsigned int first_block)
{
+ struct mtd_info *mtd = nftl->mbd.mtd;
unsigned int block, i, status;
struct nftl_bci bci;
int sectors_per_block;
@@ -378,8 +383,9 @@ static void check_sectors_in_chain(struct NFTLrecord *nftl, unsigned int first_b
block = first_block;
for (;;) {
for (i = 0; i < sectors_per_block; i++) {
- if (MTD_READOOB(nftl->mbd.mtd, block * nftl->EraseSize + i * SECTORSIZE,
- 8, &retlen, (char *)&bci) < 0)
+ if (mtd->read_oob(mtd,
+ block * nftl->EraseSize + i * SECTORSIZE,
+ 8, &retlen, (char *)&bci) < 0)
status = SECTOR_IGNORE;
else
status = bci.Status | bci.Status1;
@@ -398,9 +404,10 @@ static void check_sectors_in_chain(struct NFTLrecord *nftl, unsigned int first_b
/* sector not free actually : mark it as SECTOR_IGNORE */
bci.Status = SECTOR_IGNORE;
bci.Status1 = SECTOR_IGNORE;
- MTD_WRITEOOB(nftl->mbd.mtd,
- block * nftl->EraseSize + i * SECTORSIZE,
- 8, &retlen, (char *)&bci);
+ mtd->write_oob(mtd, block *
+ nftl->EraseSize +
+ i * SECTORSIZE, 8,
+ &retlen, (char *)&bci);
}
break;
default:
@@ -485,13 +492,14 @@ static void format_chain(struct NFTLrecord *nftl, unsigned int first_block)
* 1. */
static int check_and_mark_free_block(struct NFTLrecord *nftl, int block)
{
+ struct mtd_info *mtd = nftl->mbd.mtd;
struct nftl_uci1 h1;
unsigned int erase_mark;
size_t retlen;
/* check erase mark. */
- if (MTD_READOOB(nftl->mbd.mtd, block * nftl->EraseSize + SECTORSIZE + 8, 8,
- &retlen, (char *)&h1) < 0)
+ if (mtd->read_oob(mtd, block * nftl->EraseSize + SECTORSIZE + 8, 8,
+ &retlen, (char *)&h1) < 0)
return -1;
erase_mark = le16_to_cpu ((h1.EraseMark | h1.EraseMark1));
@@ -505,8 +513,9 @@ static int check_and_mark_free_block(struct NFTLrecord *nftl, int block)
h1.EraseMark = cpu_to_le16(ERASE_MARK);
h1.EraseMark1 = cpu_to_le16(ERASE_MARK);
h1.WearInfo = cpu_to_le32(0);
- if (MTD_WRITEOOB(nftl->mbd.mtd, block * nftl->EraseSize + SECTORSIZE + 8, 8,
- &retlen, (char *)&h1) < 0)
+ if (mtd->write_oob(mtd,
+ block * nftl->EraseSize + SECTORSIZE + 8, 8,
+ &retlen, (char *)&h1) < 0)
return -1;
} else {
#if 0
@@ -517,8 +526,8 @@ static int check_and_mark_free_block(struct NFTLrecord *nftl, int block)
SECTORSIZE, 0) != 0)
return -1;
- if (MTD_READOOB(nftl->mbd.mtd, block * nftl->EraseSize + i,
- 16, &retlen, buf) < 0)
+ if (mtd->read_oob(mtd, block * nftl->EraseSize + i,
+ 16, &retlen, buf) < 0)
return -1;
if (i == SECTORSIZE) {
/* skip erase mark */
@@ -544,11 +553,12 @@ static int check_and_mark_free_block(struct NFTLrecord *nftl, int block)
*/
static int get_fold_mark(struct NFTLrecord *nftl, unsigned int block)
{
+ struct mtd_info *mtd = nftl->mbd.mtd;
struct nftl_uci2 uci;
size_t retlen;
- if (MTD_READOOB(nftl->mbd.mtd, block * nftl->EraseSize + 2 * SECTORSIZE + 8,
- 8, &retlen, (char *)&uci) < 0)
+ if (mtd->read_oob(mtd, block * nftl->EraseSize + 2 * SECTORSIZE + 8,
+ 8, &retlen, (char *)&uci) < 0)
return 0;
return le16_to_cpu((uci.FoldMark | uci.FoldMark1));
@@ -562,6 +572,7 @@ int NFTL_mount(struct NFTLrecord *s)
int chain_length, do_format_chain;
struct nftl_uci0 h0;
struct nftl_uci1 h1;
+ struct mtd_info *mtd = s->mbd.mtd;
size_t retlen;
/* search for NFTL MediaHeader and Spare NFTL Media Header */
@@ -586,10 +597,13 @@ int NFTL_mount(struct NFTLrecord *s)
for (;;) {
/* read the block header. If error, we format the chain */
- if (MTD_READOOB(s->mbd.mtd, block * s->EraseSize + 8, 8,
- &retlen, (char *)&h0) < 0 ||
- MTD_READOOB(s->mbd.mtd, block * s->EraseSize + SECTORSIZE + 8, 8,
- &retlen, (char *)&h1) < 0) {
+ if (mtd->read_oob(mtd,
+ block * s->EraseSize + 8, 8,
+ &retlen, (char *)&h0) < 0 ||
+ mtd->read_oob(mtd,
+ block * s->EraseSize +
+ SECTORSIZE + 8, 8,
+ &retlen, (char *)&h1) < 0) {
s->ReplUnitTable[block] = BLOCK_NIL;
do_format_chain = 1;
break;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-30 05:34:30 +0000