diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/devices/doc2000.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/devices/doc2001.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/devices/doc2001plus.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/inftlcore.c | 63 | ||||
| -rw-r--r-- | drivers/mtd/inftlmount.c | 12 | ||||
| -rw-r--r-- | drivers/mtd/mtdconcat.c | 116 | ||||
| -rw-r--r-- | drivers/mtd/mtdpart.c | 54 | ||||
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 122 | ||||
| -rw-r--r-- | drivers/mtd/nand/nand_bbt.c | 104 | ||||
| -rw-r--r-- | drivers/mtd/nftlcore.c | 15 | ||||
| -rw-r--r-- | drivers/mtd/nftlmount.c | 12 | ||||
| -rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 75 |
12 files changed, 198 insertions, 381 deletions
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c index 6f32942fdf77..d9ba1ee658f6 100644 --- a/drivers/mtd/devices/doc2000.c +++ b/drivers/mtd/devices/doc2000.c | |||
| @@ -584,8 +584,6 @@ void DoC2k_init(struct mtd_info *mtd) | |||
| 584 | mtd->unpoint = NULL; | 584 | mtd->unpoint = NULL; |
| 585 | mtd->read = doc_read; | 585 | mtd->read = doc_read; |
| 586 | mtd->write = doc_write; | 586 | mtd->write = doc_write; |
| 587 | mtd->read_ecc = doc_read_ecc; | ||
| 588 | mtd->write_ecc = doc_write_ecc; | ||
| 589 | mtd->read_oob = doc_read_oob; | 587 | mtd->read_oob = doc_read_oob; |
| 590 | mtd->write_oob = doc_write_oob; | 588 | mtd->write_oob = doc_write_oob; |
| 591 | mtd->sync = NULL; | 589 | mtd->sync = NULL; |
diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c index e6eaef28a2b0..579c0b570ae5 100644 --- a/drivers/mtd/devices/doc2001.c +++ b/drivers/mtd/devices/doc2001.c | |||
| @@ -369,8 +369,6 @@ void DoCMil_init(struct mtd_info *mtd) | |||
| 369 | mtd->unpoint = NULL; | 369 | mtd->unpoint = NULL; |
| 370 | mtd->read = doc_read; | 370 | mtd->read = doc_read; |
| 371 | mtd->write = doc_write; | 371 | mtd->write = doc_write; |
| 372 | mtd->read_ecc = doc_read_ecc; | ||
| 373 | mtd->write_ecc = doc_write_ecc; | ||
| 374 | mtd->read_oob = doc_read_oob; | 372 | mtd->read_oob = doc_read_oob; |
| 375 | mtd->write_oob = doc_write_oob; | 373 | mtd->write_oob = doc_write_oob; |
| 376 | mtd->sync = NULL; | 374 | mtd->sync = NULL; |
diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c index 8422c5e92d27..1ee0c0dcb53b 100644 --- a/drivers/mtd/devices/doc2001plus.c +++ b/drivers/mtd/devices/doc2001plus.c | |||
| @@ -491,8 +491,6 @@ void DoCMilPlus_init(struct mtd_info *mtd) | |||
| 491 | mtd->unpoint = NULL; | 491 | mtd->unpoint = NULL; |
| 492 | mtd->read = doc_read; | 492 | mtd->read = doc_read; |
| 493 | mtd->write = doc_write; | 493 | mtd->write = doc_write; |
| 494 | mtd->read_ecc = doc_read_ecc; | ||
| 495 | mtd->write_ecc = doc_write_ecc; | ||
| 496 | mtd->read_oob = doc_read_oob; | 494 | mtd->read_oob = doc_read_oob; |
| 497 | mtd->write_oob = doc_write_oob; | 495 | mtd->write_oob = doc_write_oob; |
| 498 | mtd->sync = NULL; | 496 | mtd->sync = NULL; |
diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c index a3b92479719d..ddd12993780d 100644 --- a/drivers/mtd/inftlcore.c +++ b/drivers/mtd/inftlcore.c | |||
| @@ -36,6 +36,7 @@ | |||
| 36 | #include <linux/mtd/mtd.h> | 36 | #include <linux/mtd/mtd.h> |
| 37 | #include <linux/mtd/nftl.h> | 37 | #include <linux/mtd/nftl.h> |
| 38 | #include <linux/mtd/inftl.h> | 38 | #include <linux/mtd/inftl.h> |
| 39 | #include <linux/mtd/nand.h> | ||
| 39 | #include <asm/uaccess.h> | 40 | #include <asm/uaccess.h> |
| 40 | #include <asm/errno.h> | 41 | #include <asm/errno.h> |
| 41 | #include <asm/io.h> | 42 | #include <asm/io.h> |
| @@ -79,14 +80,12 @@ static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) | |||
| 79 | inftl->mbd.devnum = -1; | 80 | inftl->mbd.devnum = -1; |
| 80 | inftl->mbd.blksize = 512; | 81 | inftl->mbd.blksize = 512; |
| 81 | inftl->mbd.tr = tr; | 82 | inftl->mbd.tr = tr; |
| 82 | memcpy(&inftl->oobinfo, &mtd->oobinfo, sizeof(struct nand_oobinfo)); | ||
| 83 | inftl->oobinfo.useecc = MTD_NANDECC_PLACEONLY; | ||
| 84 | 83 | ||
| 85 | if (INFTL_mount(inftl) < 0) { | 84 | if (INFTL_mount(inftl) < 0) { |
| 86 | printk(KERN_WARNING "INFTL: could not mount device\n"); | 85 | printk(KERN_WARNING "INFTL: could not mount device\n"); |
| 87 | kfree(inftl); | 86 | kfree(inftl); |
| 88 | return; | 87 | return; |
| 89 | } | 88 | } |
| 90 | 89 | ||
| 91 | /* OK, it's a new one. Set up all the data structures. */ | 90 | /* OK, it's a new one. Set up all the data structures. */ |
| 92 | 91 | ||
| @@ -221,7 +220,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned | |||
| 221 | * Scan to find the Erase Unit which holds the actual data for each | 220 | * Scan to find the Erase Unit which holds the actual data for each |
| 222 | * 512-byte block within the Chain. | 221 | * 512-byte block within the Chain. |
| 223 | */ | 222 | */ |
| 224 | silly = MAX_LOOPS; | 223 | silly = MAX_LOOPS; |
| 225 | while (thisEUN < inftl->nb_blocks) { | 224 | while (thisEUN < inftl->nb_blocks) { |
| 226 | for (block = 0; block < inftl->EraseSize/SECTORSIZE; block ++) { | 225 | for (block = 0; block < inftl->EraseSize/SECTORSIZE; block ++) { |
| 227 | if ((BlockMap[block] != 0xffff) || BlockDeleted[block]) | 226 | if ((BlockMap[block] != 0xffff) || BlockDeleted[block]) |
| @@ -232,7 +231,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned | |||
| 232 | (char *)&oob) < 0) | 231 | (char *)&oob) < 0) |
| 233 | status = SECTOR_IGNORE; | 232 | status = SECTOR_IGNORE; |
| 234 | else | 233 | else |
| 235 | status = oob.b.Status | oob.b.Status1; | 234 | status = oob.b.Status | oob.b.Status1; |
| 236 | 235 | ||
| 237 | switch(status) { | 236 | switch(status) { |
| 238 | case SECTOR_FREE: | 237 | case SECTOR_FREE: |
| @@ -282,29 +281,30 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned | |||
| 282 | continue; | 281 | continue; |
| 283 | } | 282 | } |
| 284 | 283 | ||
| 285 | /* | 284 | /* |
| 286 | * Copy only in non free block (free blocks can only | 285 | * Copy only in non free block (free blocks can only |
| 287 | * happen in case of media errors or deleted blocks). | 286 | * happen in case of media errors or deleted blocks). |
| 288 | */ | 287 | */ |
| 289 | if (BlockMap[block] == BLOCK_NIL) | 288 | if (BlockMap[block] == BLOCK_NIL) |
| 290 | continue; | 289 | continue; |
| 291 | 290 | ||
| 292 | ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize * | 291 | ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize * |
| 293 | BlockMap[block]) + (block * SECTORSIZE), SECTORSIZE, | 292 | BlockMap[block]) + (block * SECTORSIZE), SECTORSIZE, |
| 294 | &retlen, movebuf); | 293 | &retlen, movebuf); |
| 295 | if (ret < 0) { | 294 | if (ret < 0) { |
| 296 | ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize * | 295 | ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize * |
| 297 | BlockMap[block]) + (block * SECTORSIZE), | 296 | BlockMap[block]) + (block * SECTORSIZE), |
| 298 | SECTORSIZE, &retlen, movebuf); | 297 | SECTORSIZE, &retlen, movebuf); |
| 299 | if (ret != -EIO) | 298 | if (ret != -EIO) |
| 300 | DEBUG(MTD_DEBUG_LEVEL1, "INFTL: error went " | 299 | DEBUG(MTD_DEBUG_LEVEL1, "INFTL: error went " |
| 301 | "away on retry?\n"); | 300 | "away on retry?\n"); |
| 302 | } | 301 | } |
| 303 | memset(&oob, 0xff, sizeof(struct inftl_oob)); | 302 | memset(&oob, 0xff, sizeof(struct inftl_oob)); |
| 304 | oob.b.Status = oob.b.Status1 = SECTOR_USED; | 303 | oob.b.Status = oob.b.Status1 = SECTOR_USED; |
| 305 | MTD_WRITEECC(inftl->mbd.mtd, (inftl->EraseSize * targetEUN) + | 304 | |
| 306 | (block * SECTORSIZE), SECTORSIZE, &retlen, | 305 | nand_write_raw(inftl->mbd.mtd, (inftl->EraseSize * targetEUN) + |
| 307 | movebuf, (char *)&oob, &inftl->oobinfo); | 306 | (block * SECTORSIZE), SECTORSIZE, &retlen, |
| 307 | movebuf, (char *)&oob); | ||
| 308 | } | 308 | } |
| 309 | 309 | ||
| 310 | /* | 310 | /* |
| @@ -329,17 +329,17 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned | |||
| 329 | if (thisEUN == targetEUN) | 329 | if (thisEUN == targetEUN) |
| 330 | break; | 330 | break; |
| 331 | 331 | ||
| 332 | if (INFTL_formatblock(inftl, thisEUN) < 0) { | 332 | if (INFTL_formatblock(inftl, thisEUN) < 0) { |
| 333 | /* | 333 | /* |
| 334 | * Could not erase : mark block as reserved. | 334 | * Could not erase : mark block as reserved. |
| 335 | */ | 335 | */ |
| 336 | inftl->PUtable[thisEUN] = BLOCK_RESERVED; | 336 | inftl->PUtable[thisEUN] = BLOCK_RESERVED; |
| 337 | } else { | 337 | } else { |
| 338 | /* Correctly erased : mark it as free */ | 338 | /* Correctly erased : mark it as free */ |
| 339 | inftl->PUtable[thisEUN] = BLOCK_FREE; | 339 | inftl->PUtable[thisEUN] = BLOCK_FREE; |
| 340 | inftl->PUtable[prevEUN] = BLOCK_NIL; | 340 | inftl->PUtable[prevEUN] = BLOCK_NIL; |
| 341 | inftl->numfreeEUNs++; | 341 | inftl->numfreeEUNs++; |
| 342 | } | 342 | } |
| 343 | } | 343 | } |
| 344 | 344 | ||
| 345 | return targetEUN; | 345 | return targetEUN; |
| @@ -437,7 +437,7 @@ static inline u16 INFTL_findwriteunit(struct INFTLrecord *inftl, unsigned block) | |||
| 437 | MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize) + | 437 | MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize) + |
| 438 | blockofs, 8, &retlen, (char *)&bci); | 438 | blockofs, 8, &retlen, (char *)&bci); |
| 439 | 439 | ||
| 440 | status = bci.Status | bci.Status1; | 440 | status = bci.Status | bci.Status1; |
| 441 | DEBUG(MTD_DEBUG_LEVEL3, "INFTL: status of block %d in " | 441 | DEBUG(MTD_DEBUG_LEVEL3, "INFTL: status of block %d in " |
| 442 | "EUN %d is %x\n", block , writeEUN, status); | 442 | "EUN %d is %x\n", block , writeEUN, status); |
| 443 | 443 | ||
| @@ -670,12 +670,12 @@ static void INFTL_trydeletechain(struct INFTLrecord *inftl, unsigned thisVUC) | |||
| 670 | DEBUG(MTD_DEBUG_LEVEL3, "Deleting EUN %d from VUC %d\n", | 670 | DEBUG(MTD_DEBUG_LEVEL3, "Deleting EUN %d from VUC %d\n", |
| 671 | thisEUN, thisVUC); | 671 | thisEUN, thisVUC); |
| 672 | 672 | ||
| 673 | if (INFTL_formatblock(inftl, thisEUN) < 0) { | 673 | if (INFTL_formatblock(inftl, thisEUN) < 0) { |
| 674 | /* | 674 | /* |
| 675 | * Could not erase : mark block as reserved. | 675 | * Could not erase : mark block as reserved. |
| 676 | */ | 676 | */ |
| 677 | inftl->PUtable[thisEUN] = BLOCK_RESERVED; | 677 | inftl->PUtable[thisEUN] = BLOCK_RESERVED; |
| 678 | } else { | 678 | } else { |
| 679 | /* Correctly erased : mark it as free */ | 679 | /* Correctly erased : mark it as free */ |
| 680 | inftl->PUtable[thisEUN] = BLOCK_FREE; | 680 | inftl->PUtable[thisEUN] = BLOCK_FREE; |
| 681 | inftl->numfreeEUNs++; | 681 | inftl->numfreeEUNs++; |
| @@ -784,9 +784,10 @@ static int inftl_writeblock(struct mtd_blktrans_dev *mbd, unsigned long block, | |||
| 784 | 784 | ||
| 785 | memset(&oob, 0xff, sizeof(struct inftl_oob)); | 785 | memset(&oob, 0xff, sizeof(struct inftl_oob)); |
| 786 | oob.b.Status = oob.b.Status1 = SECTOR_USED; | 786 | oob.b.Status = oob.b.Status1 = SECTOR_USED; |
| 787 | MTD_WRITEECC(inftl->mbd.mtd, (writeEUN * inftl->EraseSize) + | 787 | |
| 788 | blockofs, SECTORSIZE, &retlen, (char *)buffer, | 788 | nand_write_raw(inftl->mbd.mtd, (writeEUN * inftl->EraseSize) + |
| 789 | (char *)&oob, &inftl->oobinfo); | 789 | blockofs, SECTORSIZE, &retlen, (char *)buffer, |
| 790 | (char *)&oob); | ||
| 790 | /* | 791 | /* |
| 791 | * need to write SECTOR_USED flags since they are not written | 792 | * need to write SECTOR_USED flags since they are not written |
| 792 | * in mtd_writeecc | 793 | * in mtd_writeecc |
| @@ -804,9 +805,9 @@ static int inftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block, | |||
| 804 | struct INFTLrecord *inftl = (void *)mbd; | 805 | struct INFTLrecord *inftl = (void *)mbd; |
| 805 | unsigned int thisEUN = inftl->VUtable[block / (inftl->EraseSize / SECTORSIZE)]; | 806 | unsigned int thisEUN = inftl->VUtable[block / (inftl->EraseSize / SECTORSIZE)]; |
| 806 | unsigned long blockofs = (block * SECTORSIZE) & (inftl->EraseSize - 1); | 807 | unsigned long blockofs = (block * SECTORSIZE) & (inftl->EraseSize - 1); |
| 807 | unsigned int status; | 808 | unsigned int status; |
| 808 | int silly = MAX_LOOPS; | 809 | int silly = MAX_LOOPS; |
| 809 | struct inftl_bci bci; | 810 | struct inftl_bci bci; |
| 810 | size_t retlen; | 811 | size_t retlen; |
| 811 | 812 | ||
| 812 | DEBUG(MTD_DEBUG_LEVEL3, "INFTL: inftl_readblock(inftl=%p,block=%ld," | 813 | DEBUG(MTD_DEBUG_LEVEL3, "INFTL: inftl_readblock(inftl=%p,block=%ld," |
| @@ -850,7 +851,7 @@ foundit: | |||
| 850 | /* The requested block is not on the media, return all 0x00 */ | 851 | /* The requested block is not on the media, return all 0x00 */ |
| 851 | memset(buffer, 0, SECTORSIZE); | 852 | memset(buffer, 0, SECTORSIZE); |
| 852 | } else { | 853 | } else { |
| 853 | size_t retlen; | 854 | size_t retlen; |
| 854 | loff_t ptr = (thisEUN * inftl->EraseSize) + blockofs; | 855 | loff_t ptr = (thisEUN * inftl->EraseSize) + blockofs; |
| 855 | if (MTD_READ(inftl->mbd.mtd, ptr, SECTORSIZE, &retlen, | 856 | if (MTD_READ(inftl->mbd.mtd, ptr, SECTORSIZE, &retlen, |
| 856 | buffer)) | 857 | buffer)) |
diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c index 43fdc9433882..f89a03795e76 100644 --- a/drivers/mtd/inftlmount.c +++ b/drivers/mtd/inftlmount.c | |||
| @@ -350,21 +350,21 @@ static int check_free_sectors(struct INFTLrecord *inftl, unsigned int address, | |||
| 350 | int len, int check_oob) | 350 | int len, int check_oob) |
| 351 | { | 351 | { |
| 352 | u8 buf[SECTORSIZE + inftl->mbd.mtd->oobsize]; | 352 | u8 buf[SECTORSIZE + inftl->mbd.mtd->oobsize]; |
| 353 | struct mtd_info *mtd = inftl->mbd.mtd; | ||
| 353 | size_t retlen; | 354 | size_t retlen; |
| 354 | int i; | 355 | int i; |
| 355 | 356 | ||
| 356 | DEBUG(MTD_DEBUG_LEVEL3, "INFTL: check_free_sectors(inftl=%p," | ||
| 357 | "address=0x%x,len=%d,check_oob=%d)\n", inftl, | ||
| 358 | address, len, check_oob); | ||
| 359 | |||
| 360 | for (i = 0; i < len; i += SECTORSIZE) { | 357 | for (i = 0; i < len; i += SECTORSIZE) { |
| 361 | if (MTD_READECC(inftl->mbd.mtd, address, SECTORSIZE, &retlen, buf, &buf[SECTORSIZE], &inftl->oobinfo) < 0) | 358 | if (mtd->read(mtd, address, SECTORSIZE, &retlen, buf)) |
| 362 | return -1; | 359 | return -1; |
| 363 | if (memcmpb(buf, 0xff, SECTORSIZE) != 0) | 360 | if (memcmpb(buf, 0xff, SECTORSIZE) != 0) |
| 364 | return -1; | 361 | return -1; |
| 365 | 362 | ||
| 366 | if (check_oob) { | 363 | if (check_oob) { |
| 367 | if (memcmpb(buf + SECTORSIZE, 0xff, inftl->mbd.mtd->oobsize) != 0) | 364 | if(mtd->read_oob(mtd, address, mtd->oobsize, |
| 365 | &retlen, &buf[SECTORSIZE]) < 0) | ||
| 366 | return -1; | ||
| 367 | if (memcmpb(buf + SECTORSIZE, 0xff, mtd->oobsize) != 0) | ||
| 368 | return -1; | 368 | return -1; |
| 369 | } | 369 | } |
| 370 | address += SECTORSIZE; | 370 | address += SECTORSIZE; |
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index a6fcee2713b0..6d52137988fa 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c | |||
| @@ -143,116 +143,6 @@ concat_write(struct mtd_info *mtd, loff_t to, size_t len, | |||
| 143 | } | 143 | } |
| 144 | 144 | ||
| 145 | static int | 145 | static int |
| 146 | concat_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, | ||
| 147 | size_t * retlen, u_char * buf, u_char * eccbuf, | ||
| 148 | struct nand_oobinfo *oobsel) | ||
| 149 | { | ||
| 150 | struct mtd_concat *concat = CONCAT(mtd); | ||
| 151 | int err = -EINVAL; | ||
| 152 | int i; | ||
| 153 | |||
| 154 | *retlen = 0; | ||
| 155 | |||
| 156 | for (i = 0; i < concat->num_subdev; i++) { | ||
| 157 | struct mtd_info *subdev = concat->subdev[i]; | ||
| 158 | size_t size, retsize; | ||
| 159 | |||
| 160 | if (from >= subdev->size) { | ||
| 161 | /* Not destined for this subdev */ | ||
| 162 | size = 0; | ||
| 163 | from -= subdev->size; | ||
| 164 | continue; | ||
| 165 | } | ||
| 166 | |||
| 167 | if (from + len > subdev->size) | ||
| 168 | /* First part goes into this subdev */ | ||
| 169 | size = subdev->size - from; | ||
| 170 | else | ||
| 171 | /* Entire transaction goes into this subdev */ | ||
| 172 | size = len; | ||
| 173 | |||
| 174 | if (subdev->read_ecc) | ||
| 175 | err = subdev->read_ecc(subdev, from, size, | ||
| 176 | &retsize, buf, eccbuf, oobsel); | ||
| 177 | else | ||
| 178 | err = -EINVAL; | ||
| 179 | |||
| 180 | if (err) | ||
| 181 | break; | ||
| 182 | |||
| 183 | *retlen += retsize; | ||
| 184 | len -= size; | ||
| 185 | if (len == 0) | ||
| 186 | break; | ||
| 187 | |||
| 188 | err = -EINVAL; | ||
| 189 | buf += size; | ||
| 190 | if (eccbuf) { | ||
| 191 | eccbuf += subdev->oobsize; | ||
| 192 | /* in nand.c at least, eccbufs are | ||
| 193 | tagged with 2 (int)eccstatus'; we | ||
| 194 | must account for these */ | ||
| 195 | eccbuf += 2 * (sizeof (int)); | ||
| 196 | } | ||
| 197 | from = 0; | ||
| 198 | } | ||
| 199 | return err; | ||
| 200 | } | ||
| 201 | |||
| 202 | static int | ||
| 203 | concat_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | ||
| 204 | size_t * retlen, const u_char * buf, u_char * eccbuf, | ||
| 205 | struct nand_oobinfo *oobsel) | ||
| 206 | { | ||
| 207 | struct mtd_concat *concat = CONCAT(mtd); | ||
| 208 | int err = -EINVAL; | ||
| 209 | int i; | ||
| 210 | |||
| 211 | if (!(mtd->flags & MTD_WRITEABLE)) | ||
| 212 | return -EROFS; | ||
| 213 | |||
| 214 | *retlen = 0; | ||
| 215 | |||
| 216 | for (i = 0; i < concat->num_subdev; i++) { | ||
| 217 | struct mtd_info *subdev = concat->subdev[i]; | ||
| 218 | size_t size, retsize; | ||
| 219 | |||
| 220 | if (to >= subdev->size) { | ||
| 221 | size = 0; | ||
| 222 | to -= subdev->size; | ||
| 223 | continue; | ||
| 224 | } | ||
| 225 | if (to + len > subdev->size) | ||
| 226 | size = subdev->size - to; | ||
| 227 | else | ||
| 228 | size = len; | ||
| 229 | |||
| 230 | if (!(subdev->flags & MTD_WRITEABLE)) | ||
| 231 | err = -EROFS; | ||
| 232 | else if (subdev->write_ecc) | ||
| 233 | err = subdev->write_ecc(subdev, to, size, | ||
| 234 | &retsize, buf, eccbuf, oobsel); | ||
| 235 | else | ||
| 236 | err = -EINVAL; | ||
| 237 | |||
| 238 | if (err) | ||
| 239 | break; | ||
| 240 | |||
| 241 | *retlen += retsize; | ||
| 242 | len -= size; | ||
| 243 | if (len == 0) | ||
| 244 | break; | ||
| 245 | |||
| 246 | err = -EINVAL; | ||
| 247 | buf += size; | ||
| 248 | if (eccbuf) | ||
| 249 | eccbuf += subdev->oobsize; | ||
| 250 | to = 0; | ||
| 251 | } | ||
| 252 | return err; | ||
| 253 | } | ||
| 254 | |||
| 255 | static int | ||
| 256 | concat_writev(struct mtd_info *mtd, const struct kvec *vecs, | 146 | concat_writev(struct mtd_info *mtd, const struct kvec *vecs, |
| 257 | unsigned long count, loff_t to, size_t * retlen) | 147 | unsigned long count, loff_t to, size_t * retlen) |
| 258 | { | 148 | { |
| @@ -823,10 +713,6 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c | |||
| 823 | concat->mtd.oobsize = subdev[0]->oobsize; | 713 | concat->mtd.oobsize = subdev[0]->oobsize; |
| 824 | concat->mtd.ecctype = subdev[0]->ecctype; | 714 | concat->mtd.ecctype = subdev[0]->ecctype; |
| 825 | concat->mtd.eccsize = subdev[0]->eccsize; | 715 | concat->mtd.eccsize = subdev[0]->eccsize; |
| 826 | if (subdev[0]->read_ecc) | ||
| 827 | concat->mtd.read_ecc = concat_read_ecc; | ||
| 828 | if (subdev[0]->write_ecc) | ||
| 829 | concat->mtd.write_ecc = concat_write_ecc; | ||
| 830 | if (subdev[0]->writev) | 716 | if (subdev[0]->writev) |
| 831 | concat->mtd.writev = concat_writev; | 717 | concat->mtd.writev = concat_writev; |
| 832 | if (subdev[0]->read_oob) | 718 | if (subdev[0]->read_oob) |
| @@ -869,8 +755,6 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c | |||
| 869 | concat->mtd.oobsize != subdev[i]->oobsize || | 755 | concat->mtd.oobsize != subdev[i]->oobsize || |
| 870 | concat->mtd.ecctype != subdev[i]->ecctype || | 756 | concat->mtd.ecctype != subdev[i]->ecctype || |
| 871 | concat->mtd.eccsize != subdev[i]->eccsize || | 757 | concat->mtd.eccsize != subdev[i]->eccsize || |
| 872 | !concat->mtd.read_ecc != !subdev[i]->read_ecc || | ||
| 873 | !concat->mtd.write_ecc != !subdev[i]->write_ecc || | ||
| 874 | !concat->mtd.read_oob != !subdev[i]->read_oob || | 758 | !concat->mtd.read_oob != !subdev[i]->read_oob || |
| 875 | !concat->mtd.write_oob != !subdev[i]->write_oob) { | 759 | !concat->mtd.write_oob != !subdev[i]->write_oob) { |
| 876 | kfree(concat); | 760 | kfree(concat); |
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index f418920320d2..a93550ce7978 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c | |||
| @@ -55,12 +55,8 @@ static int part_read (struct mtd_info *mtd, loff_t from, size_t len, | |||
| 55 | len = 0; | 55 | len = 0; |
| 56 | else if (from + len > mtd->size) | 56 | else if (from + len > mtd->size) |
| 57 | len = mtd->size - from; | 57 | len = mtd->size - from; |
| 58 | if (part->master->read_ecc == NULL) | 58 | return part->master->read (part->master, from + part->offset, |
| 59 | return part->master->read (part->master, from + part->offset, | 59 | len, retlen, buf); |
| 60 | len, retlen, buf); | ||
| 61 | else | ||
| 62 | return part->master->read_ecc (part->master, from + part->offset, | ||
| 63 | len, retlen, buf, NULL, &mtd->oobinfo); | ||
| 64 | } | 60 | } |
| 65 | 61 | ||
| 66 | static int part_point (struct mtd_info *mtd, loff_t from, size_t len, | 62 | static int part_point (struct mtd_info *mtd, loff_t from, size_t len, |
| @@ -74,6 +70,7 @@ static int part_point (struct mtd_info *mtd, loff_t from, size_t len, | |||
| 74 | return part->master->point (part->master, from + part->offset, | 70 | return part->master->point (part->master, from + part->offset, |
| 75 | len, retlen, buf); | 71 | len, retlen, buf); |
| 76 | } | 72 | } |
| 73 | |||
| 77 | static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_t len) | 74 | static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_t len) |
| 78 | { | 75 | { |
| 79 | struct mtd_part *part = PART(mtd); | 76 | struct mtd_part *part = PART(mtd); |
| @@ -81,21 +78,6 @@ static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_ | |||
| 81 | part->master->unpoint (part->master, addr, from + part->offset, len); | 78 | part->master->unpoint (part->master, addr, from + part->offset, len); |
| 82 | } | 79 | } |
| 83 | 80 | ||
| 84 | |||
| 85 | static int part_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, | ||
| 86 | size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel) | ||
| 87 | { | ||
| 88 | struct mtd_part *part = PART(mtd); | ||
| 89 | if (oobsel == NULL) | ||
| 90 | oobsel = &mtd->oobinfo; | ||
| 91 | if (from >= mtd->size) | ||
| 92 | len = 0; | ||
| 93 | else if (from + len > mtd->size) | ||
| 94 | len = mtd->size - from; | ||
| 95 | return part->master->read_ecc (part->master, from + part->offset, | ||
| 96 | len, retlen, buf, eccbuf, oobsel); | ||
| 97 | } | ||
| 98 | |||
| 99 | static int part_read_oob (struct mtd_info *mtd, loff_t from, size_t len, | 81 | static int part_read_oob (struct mtd_info *mtd, loff_t from, size_t len, |
| 100 | size_t *retlen, u_char *buf) | 82 | size_t *retlen, u_char *buf) |
| 101 | { | 83 | { |
| @@ -148,30 +130,8 @@ static int part_write (struct mtd_info *mtd, loff_t to, size_t len, | |||
| 148 | len = 0; | 130 | len = 0; |
| 149 | else if (to + len > mtd->size) | 131 | else if (to + len > mtd->size) |
| 150 | len = mtd->size - to; | 132 | len = mtd->size - to; |
| 151 | if (part->master->write_ecc == NULL) | 133 | return part->master->write (part->master, to + part->offset, |
| 152 | return part->master->write (part->master, to + part->offset, | 134 | len, retlen, buf); |
| 153 | len, retlen, buf); | ||
| 154 | else | ||
| 155 | return part->master->write_ecc (part->master, to + part->offset, | ||
| 156 | len, retlen, buf, NULL, &mtd->oobinfo); | ||
| 157 | |||
| 158 | } | ||
| 159 | |||
| 160 | static int part_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, | ||
| 161 | size_t *retlen, const u_char *buf, | ||
| 162 | u_char *eccbuf, struct nand_oobinfo *oobsel) | ||
| 163 | { | ||
| 164 | struct mtd_part *part = PART(mtd); | ||
| 165 | if (!(mtd->flags & MTD_WRITEABLE)) | ||
| 166 | return -EROFS; | ||
| 167 | if (oobsel == NULL) | ||
| 168 | oobsel = &mtd->oobinfo; | ||
| 169 | if (to >= mtd->size) | ||
| 170 | len = 0; | ||
| 171 | else if (to + len > mtd->size) | ||
| 172 | len = mtd->size - to; | ||
| 173 | return part->master->write_ecc (part->master, to + part->offset, | ||
| 174 | len, retlen, buf, eccbuf, oobsel); | ||
| 175 | } | 135 | } |
| 176 | 136 | ||
| 177 | static int part_write_oob (struct mtd_info *mtd, loff_t to, size_t len, | 137 | static int part_write_oob (struct mtd_info *mtd, loff_t to, size_t len, |
| @@ -372,10 +332,6 @@ int add_mtd_partitions(struct mtd_info *master, | |||
| 372 | slave->mtd.unpoint = part_unpoint; | 332 | slave->mtd.unpoint = part_unpoint; |
| 373 | } | 333 | } |
| 374 | 334 | ||
| 375 | if (master->read_ecc) | ||
| 376 | slave->mtd.read_ecc = part_read_ecc; | ||
| 377 | if (master->write_ecc) | ||
| 378 | slave->mtd.write_ecc = part_write_ecc; | ||
| 379 | if (master->read_oob) | 335 | if (master->read_oob) |
| 380 | slave->mtd.read_oob = part_read_oob; | 336 | slave->mtd.read_oob = part_read_oob; |
| 381 | if (master->write_oob) | 337 | if (master->write_oob) |
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index da2f4d16e506..d796eb508b4f 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c | |||
| @@ -139,16 +139,10 @@ static int nand_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len); | |||
| 139 | 139 | ||
| 140 | static int nand_read(struct mtd_info *mtd, loff_t from, size_t len, | 140 | static int nand_read(struct mtd_info *mtd, loff_t from, size_t len, |
| 141 | size_t *retlen, uint8_t *buf); | 141 | size_t *retlen, uint8_t *buf); |
| 142 | static int nand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, | ||
| 143 | size_t *retlen, uint8_t *buf, uint8_t *eccbuf, | ||
| 144 | struct nand_oobinfo *oobsel); | ||
| 145 | static int nand_read_oob(struct mtd_info *mtd, loff_t from, size_t len, | 142 | static int nand_read_oob(struct mtd_info *mtd, loff_t from, size_t len, |
| 146 | size_t *retlen, uint8_t *buf); | 143 | size_t *retlen, uint8_t *buf); |
| 147 | static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, | 144 | static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, |
| 148 | size_t *retlen, const uint8_t *buf); | 145 | size_t *retlen, const uint8_t *buf); |
| 149 | static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | ||
| 150 | size_t *retlen, const uint8_t *buf, uint8_t *eccbuf, | ||
| 151 | struct nand_oobinfo *oobsel); | ||
| 152 | static int nand_write_oob(struct mtd_info *mtd, loff_t to, size_t len, | 146 | static int nand_write_oob(struct mtd_info *mtd, loff_t to, size_t len, |
| 153 | size_t *retlen, const uint8_t *buf); | 147 | size_t *retlen, const uint8_t *buf); |
| 154 | static int nand_erase(struct mtd_info *mtd, struct erase_info *instr); | 148 | static int nand_erase(struct mtd_info *mtd, struct erase_info *instr); |
| @@ -1080,27 +1074,6 @@ static int nand_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retl | |||
| 1080 | } | 1074 | } |
| 1081 | 1075 | ||
| 1082 | /** | 1076 | /** |
| 1083 | * nand_read_ecc - [MTD Interface] MTD compability function for nand_do_read_ecc | ||
| 1084 | * @mtd: MTD device structure | ||
| 1085 | * @from: offset to read from | ||
| 1086 | * @len: number of bytes to read | ||
| 1087 | * @retlen: pointer to variable to store the number of read bytes | ||
| 1088 | * @buf: the databuffer to put data | ||
| 1089 | * @oob_buf: filesystem supplied oob data buffer | ||
| 1090 | * @oobsel: oob selection structure | ||
| 1091 | * | ||
| 1092 | * This function simply calls nand_do_read_ecc with flags = 0xff | ||
| 1093 | */ | ||
| 1094 | static int nand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, | ||
| 1095 | size_t *retlen, uint8_t *buf, uint8_t *oob_buf, struct nand_oobinfo *oobsel) | ||
| 1096 | { | ||
| 1097 | /* use userspace supplied oobinfo, if zero */ | ||
| 1098 | if (oobsel == NULL) | ||
| 1099 | oobsel = &mtd->oobinfo; | ||
| 1100 | return nand_do_read_ecc(mtd, from, len, retlen, buf, oob_buf, oobsel, 0xff); | ||
| 1101 | } | ||
| 1102 | |||
| 1103 | /** | ||
| 1104 | * nand_do_read_ecc - [MTD Interface] Read data with ECC | 1077 | * nand_do_read_ecc - [MTD Interface] Read data with ECC |
| 1105 | * @mtd: MTD device structure | 1078 | * @mtd: MTD device structure |
| 1106 | * @from: offset to read from | 1079 | * @from: offset to read from |
| @@ -1524,6 +1497,55 @@ int nand_read_raw(struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len, s | |||
| 1524 | } | 1497 | } |
| 1525 | 1498 | ||
| 1526 | /** | 1499 | /** |
| 1500 | * nand_write_raw - [GENERIC] Write raw data including oob | ||
| 1501 | * @mtd: MTD device structure | ||
| 1502 | * @buf: source buffer | ||
| 1503 | * @to: offset to write to | ||
| 1504 | * @len: number of bytes to write | ||
| 1505 | * @buf: source buffer | ||
| 1506 | * @oob: oob buffer | ||
| 1507 | * | ||
| 1508 | * Write raw data including oob | ||
| 1509 | */ | ||
| 1510 | int nand_write_raw(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, | ||
| 1511 | uint8_t *buf, uint8_t *oob) | ||
| 1512 | { | ||
| 1513 | struct nand_chip *this = mtd->priv; | ||
| 1514 | int page = (int)(to >> this->page_shift); | ||
| 1515 | int chip = (int)(to >> this->chip_shift); | ||
| 1516 | int ret; | ||
| 1517 | |||
| 1518 | *retlen = 0; | ||
| 1519 | |||
| 1520 | /* Do not allow writes past end of device */ | ||
| 1521 | if ((to + len) > mtd->size) { | ||
| 1522 | DEBUG(MTD_DEBUG_LEVEL0, "nand_read_raw: Attempt write " | ||
| 1523 | "beyond end of device\n"); | ||
| 1524 | return -EINVAL; | ||
| 1525 | } | ||
| 1526 | |||
| 1527 | /* Grab the lock and see if the device is available */ | ||
| 1528 | nand_get_device(this, mtd, FL_WRITING); | ||
| 1529 | |||
| 1530 | this->select_chip(mtd, chip); | ||
| 1531 | this->data_poi = buf; | ||
| 1532 | |||
| 1533 | while (len != *retlen) { | ||
| 1534 | ret = nand_write_page(mtd, this, page, oob, &mtd->oobinfo, 0); | ||
| 1535 | if (ret) | ||
| 1536 | return ret; | ||
| 1537 | page++; | ||
| 1538 | *retlen += mtd->writesize; | ||
| 1539 | this->data_poi += mtd->writesize; | ||
| 1540 | oob += mtd->oobsize; | ||
| 1541 | } | ||
| 1542 | |||
| 1543 | /* Deselect and wake up anyone waiting on the device */ | ||
| 1544 | nand_release_device(mtd); | ||
| 1545 | return 0; | ||
| 1546 | } | ||
| 1547 | |||
| 1548 | /** | ||
| 1527 | * nand_prepare_oobbuf - [GENERIC] Prepare the out of band buffer | 1549 | * nand_prepare_oobbuf - [GENERIC] Prepare the out of band buffer |
| 1528 | * @mtd: MTD device structure | 1550 | * @mtd: MTD device structure |
| 1529 | * @fsbuf: buffer given by fs driver | 1551 | * @fsbuf: buffer given by fs driver |
| @@ -1585,57 +1607,39 @@ static uint8_t *nand_prepare_oobbuf(struct mtd_info *mtd, uint8_t *fsbuf, struct | |||
| 1585 | #define NOTALIGNED(x) (x & (mtd->writesize-1)) != 0 | 1607 | #define NOTALIGNED(x) (x & (mtd->writesize-1)) != 0 |
| 1586 | 1608 | ||
| 1587 | /** | 1609 | /** |
| 1588 | * nand_write - [MTD Interface] compability function for nand_write_ecc | 1610 | * nand_write - [MTD Interface] NAND write with ECC |
| 1589 | * @mtd: MTD device structure | ||
| 1590 | * @to: offset to write to | ||
| 1591 | * @len: number of bytes to write | ||
| 1592 | * @retlen: pointer to variable to store the number of written bytes | ||
| 1593 | * @buf: the data to write | ||
| 1594 | * | ||
| 1595 | * This function simply calls nand_write_ecc with oob buffer and oobsel = NULL | ||
| 1596 | * | ||
| 1597 | */ | ||
| 1598 | static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const uint8_t *buf) | ||
| 1599 | { | ||
| 1600 | return (nand_write_ecc(mtd, to, len, retlen, buf, NULL, NULL)); | ||
| 1601 | } | ||
| 1602 | |||
| 1603 | /** | ||
| 1604 | * nand_write_ecc - [MTD Interface] NAND write with ECC | ||
| 1605 | * @mtd: MTD device structure | 1611 | * @mtd: MTD device structure |
| 1606 | * @to: offset to write to | 1612 | * @to: offset to write to |
| 1607 | * @len: number of bytes to write | 1613 | * @len: number of bytes to write |
| 1608 | * @retlen: pointer to variable to store the number of written bytes | 1614 | * @retlen: pointer to variable to store the number of written bytes |
| 1609 | * @buf: the data to write | 1615 | * @buf: the data to write |
| 1610 | * @eccbuf: filesystem supplied oob data buffer | ||
| 1611 | * @oobsel: oob selection structure | ||
| 1612 | * | 1616 | * |
| 1613 | * NAND write with ECC | 1617 | * NAND write with ECC |
| 1614 | */ | 1618 | */ |
| 1615 | static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | 1619 | static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, |
| 1616 | size_t *retlen, const uint8_t *buf, uint8_t *eccbuf, | 1620 | size_t *retlen, const uint8_t *buf) |
| 1617 | struct nand_oobinfo *oobsel) | ||
| 1618 | { | 1621 | { |
| 1619 | int startpage, page, ret = -EIO, oob = 0, written = 0, chipnr; | 1622 | int startpage, page, ret = -EIO, oob = 0, written = 0, chipnr; |
| 1620 | int autoplace = 0, numpages, totalpages; | 1623 | int autoplace = 0, numpages, totalpages; |
| 1621 | struct nand_chip *this = mtd->priv; | 1624 | struct nand_chip *this = mtd->priv; |
| 1622 | uint8_t *oobbuf, *bufstart; | 1625 | uint8_t *oobbuf, *bufstart, *eccbuf = NULL; |
| 1623 | int ppblock = (1 << (this->phys_erase_shift - this->page_shift)); | 1626 | int ppblock = (1 << (this->phys_erase_shift - this->page_shift)); |
| 1627 | struct nand_oobinfo *oobsel = &mtd->oobinfo; | ||
| 1624 | 1628 | ||
| 1625 | DEBUG(MTD_DEBUG_LEVEL3, "nand_write_ecc: to = 0x%08x, len = %i\n", (unsigned int)to, (int)len); | 1629 | DEBUG(MTD_DEBUG_LEVEL3, "nand_write: to = 0x%08x, len = %i\n", (unsigned int)to, (int)len); |
| 1626 | 1630 | ||
| 1627 | /* Initialize retlen, in case of early exit */ | 1631 | /* Initialize retlen, in case of early exit */ |
| 1628 | *retlen = 0; | 1632 | *retlen = 0; |
| 1629 | 1633 | ||
| 1630 | /* Do not allow write past end of device */ | 1634 | /* Do not allow write past end of device */ |
| 1631 | if ((to + len) > mtd->size) { | 1635 | if ((to + len) > mtd->size) { |
| 1632 | DEBUG(MTD_DEBUG_LEVEL0, "nand_write_ecc: Attempt to write past end of page\n"); | 1636 | DEBUG(MTD_DEBUG_LEVEL0, "nand_write: Attempt to write past end of page\n"); |
| 1633 | return -EINVAL; | 1637 | return -EINVAL; |
| 1634 | } | 1638 | } |
| 1635 | 1639 | ||
| 1636 | /* reject writes, which are not page aligned */ | 1640 | /* reject writes, which are not page aligned */ |
| 1637 | if (NOTALIGNED(to) || NOTALIGNED(len)) { | 1641 | if (NOTALIGNED(to) || NOTALIGNED(len)) { |
| 1638 | printk(KERN_NOTICE "nand_write_ecc: Attempt to write not page aligned data\n"); | 1642 | printk(KERN_NOTICE "nand_write: Attempt to write not page aligned data\n"); |
| 1639 | return -EINVAL; | 1643 | return -EINVAL; |
| 1640 | } | 1644 | } |
| 1641 | 1645 | ||
| @@ -1651,10 +1655,6 @@ static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
| 1651 | if (nand_check_wp(mtd)) | 1655 | if (nand_check_wp(mtd)) |
| 1652 | goto out; | 1656 | goto out; |
| 1653 | 1657 | ||
| 1654 | /* if oobsel is NULL, use chip defaults */ | ||
| 1655 | if (oobsel == NULL) | ||
| 1656 | oobsel = &mtd->oobinfo; | ||
| 1657 | |||
| 1658 | /* Autoplace of oob data ? Use the default placement scheme */ | 1658 | /* Autoplace of oob data ? Use the default placement scheme */ |
| 1659 | if (oobsel->useecc == MTD_NANDECC_AUTOPLACE) { | 1659 | if (oobsel->useecc == MTD_NANDECC_AUTOPLACE) { |
| 1660 | oobsel = this->autooob; | 1660 | oobsel = this->autooob; |
| @@ -1689,7 +1689,7 @@ static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
| 1689 | */ | 1689 | */ |
| 1690 | ret = nand_write_page(mtd, this, page, &oobbuf[oob], oobsel, (--numpages > 0)); | 1690 | ret = nand_write_page(mtd, this, page, &oobbuf[oob], oobsel, (--numpages > 0)); |
| 1691 | if (ret) { | 1691 | if (ret) { |
| 1692 | DEBUG(MTD_DEBUG_LEVEL0, "nand_write_ecc: write_page failed %d\n", ret); | 1692 | DEBUG(MTD_DEBUG_LEVEL0, "nand_write: write_page failed %d\n", ret); |
| 1693 | goto out; | 1693 | goto out; |
| 1694 | } | 1694 | } |
| 1695 | /* Next oob page */ | 1695 | /* Next oob page */ |
| @@ -1712,7 +1712,7 @@ static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
| 1712 | ret = nand_verify_pages(mtd, this, startpage, page - startpage, | 1712 | ret = nand_verify_pages(mtd, this, startpage, page - startpage, |
| 1713 | oobbuf, oobsel, chipnr, (eccbuf != NULL)); | 1713 | oobbuf, oobsel, chipnr, (eccbuf != NULL)); |
| 1714 | if (ret) { | 1714 | if (ret) { |
| 1715 | DEBUG(MTD_DEBUG_LEVEL0, "nand_write_ecc: verify_pages failed %d\n", ret); | 1715 | DEBUG(MTD_DEBUG_LEVEL0, "nand_write: verify_pages failed %d\n", ret); |
| 1716 | goto out; | 1716 | goto out; |
| 1717 | } | 1717 | } |
| 1718 | *retlen = written; | 1718 | *retlen = written; |
| @@ -1741,7 +1741,7 @@ static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
| 1741 | if (!ret) | 1741 | if (!ret) |
| 1742 | *retlen = written; | 1742 | *retlen = written; |
| 1743 | else | 1743 | else |
| 1744 | DEBUG(MTD_DEBUG_LEVEL0, "nand_write_ecc: verify_pages failed %d\n", ret); | 1744 | DEBUG(MTD_DEBUG_LEVEL0, "nand_write: verify_pages failed %d\n", ret); |
| 1745 | 1745 | ||
| 1746 | out: | 1746 | out: |
| 1747 | /* Deselect and wake up anyone waiting on the device */ | 1747 | /* Deselect and wake up anyone waiting on the device */ |
| @@ -2527,8 +2527,6 @@ int nand_scan(struct mtd_info *mtd, int maxchips) | |||
| 2527 | mtd->unpoint = NULL; | 2527 | mtd->unpoint = NULL; |
| 2528 | mtd->read = nand_read; | 2528 | mtd->read = nand_read; |
| 2529 | mtd->write = nand_write; | 2529 | mtd->write = nand_write; |
| 2530 | mtd->read_ecc = nand_read_ecc; | ||
| 2531 | mtd->write_ecc = nand_write_ecc; | ||
| 2532 | mtd->read_oob = nand_read_oob; | 2530 | mtd->read_oob = nand_read_oob; |
| 2533 | mtd->write_oob = nand_write_oob; | 2531 | mtd->write_oob = nand_write_oob; |
| 2534 | mtd->sync = nand_sync; | 2532 | mtd->sync = nand_sync; |
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c index fbccb2a25186..ecaaca18d1e0 100644 --- a/drivers/mtd/nand/nand_bbt.c +++ b/drivers/mtd/nand/nand_bbt.c | |||
| @@ -156,7 +156,7 @@ static int read_bbt(struct mtd_info *mtd, uint8_t *buf, int page, int num, | |||
| 156 | 156 | ||
| 157 | while (totlen) { | 157 | while (totlen) { |
| 158 | len = min(totlen, (size_t) (1 << this->bbt_erase_shift)); | 158 | len = min(totlen, (size_t) (1 << this->bbt_erase_shift)); |
| 159 | res = mtd->read_ecc(mtd, from, len, &retlen, buf, NULL, this->autooob); | 159 | res = mtd->read(mtd, from, len, &retlen, buf); |
| 160 | if (res < 0) { | 160 | if (res < 0) { |
| 161 | if (retlen != len) { | 161 | if (retlen != len) { |
| 162 | printk(KERN_INFO "nand_bbt: Error reading bad block table\n"); | 162 | printk(KERN_INFO "nand_bbt: Error reading bad block table\n"); |
| @@ -471,17 +471,17 @@ static int search_read_bbts(struct mtd_info *mtd, uint8_t * buf, struct nand_bbt | |||
| 471 | * | 471 | * |
| 472 | */ | 472 | */ |
| 473 | static int write_bbt(struct mtd_info *mtd, uint8_t *buf, | 473 | static int write_bbt(struct mtd_info *mtd, uint8_t *buf, |
| 474 | struct nand_bbt_descr *td, struct nand_bbt_descr *md, int chipsel) | 474 | struct nand_bbt_descr *td, struct nand_bbt_descr *md, |
| 475 | int chipsel) | ||
| 475 | { | 476 | { |
| 476 | struct nand_chip *this = mtd->priv; | 477 | struct nand_chip *this = mtd->priv; |
| 477 | struct nand_oobinfo oobinfo; | ||
| 478 | struct erase_info einfo; | 478 | struct erase_info einfo; |
| 479 | int i, j, res, chip = 0; | 479 | int i, j, res, chip = 0; |
| 480 | int bits, startblock, dir, page, offs, numblocks, sft, sftmsk; | 480 | int bits, startblock, dir, page, offs, numblocks, sft, sftmsk; |
| 481 | int nrchips, bbtoffs, pageoffs; | 481 | int nrchips, bbtoffs, pageoffs, ooboffs; |
| 482 | uint8_t msk[4]; | 482 | uint8_t msk[4]; |
| 483 | uint8_t rcode = td->reserved_block_code; | 483 | uint8_t rcode = td->reserved_block_code; |
| 484 | size_t retlen, len = 0; | 484 | size_t retlen, len = 0, ooblen; |
| 485 | loff_t to; | 485 | loff_t to; |
| 486 | 486 | ||
| 487 | if (!rcode) | 487 | if (!rcode) |
| @@ -526,12 +526,14 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf, | |||
| 526 | for (i = 0; i < td->maxblocks; i++) { | 526 | for (i = 0; i < td->maxblocks; i++) { |
| 527 | int block = startblock + dir * i; | 527 | int block = startblock + dir * i; |
| 528 | /* Check, if the block is bad */ | 528 | /* Check, if the block is bad */ |
| 529 | switch ((this->bbt[block >> 2] >> (2 * (block & 0x03))) & 0x03) { | 529 | switch ((this->bbt[block >> 2] >> |
| 530 | (2 * (block & 0x03))) & 0x03) { | ||
| 530 | case 0x01: | 531 | case 0x01: |
| 531 | case 0x03: | 532 | case 0x03: |
| 532 | continue; | 533 | continue; |
| 533 | } | 534 | } |
| 534 | page = block << (this->bbt_erase_shift - this->page_shift); | 535 | page = block << |
| 536 | (this->bbt_erase_shift - this->page_shift); | ||
| 535 | /* Check, if the block is used by the mirror table */ | 537 | /* Check, if the block is used by the mirror table */ |
| 536 | if (!md || md->pages[chip] != page) | 538 | if (!md || md->pages[chip] != page) |
| 537 | goto write; | 539 | goto write; |
| @@ -542,11 +544,20 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf, | |||
| 542 | 544 | ||
| 543 | /* Set up shift count and masks for the flash table */ | 545 | /* Set up shift count and masks for the flash table */ |
| 544 | bits = td->options & NAND_BBT_NRBITS_MSK; | 546 | bits = td->options & NAND_BBT_NRBITS_MSK; |
| 547 | msk[2] = ~rcode; | ||
| 545 | switch (bits) { | 548 | switch (bits) { |
| 546 | case 1: sft = 3; sftmsk = 0x07; msk[0] = 0x00; msk[1] = 0x01; msk[2] = ~rcode; msk[3] = 0x01; break; | 549 | case 1: sft = 3; sftmsk = 0x07; msk[0] = 0x00; msk[1] = 0x01; |
| 547 | case 2: sft = 2; sftmsk = 0x06; msk[0] = 0x00; msk[1] = 0x01; msk[2] = ~rcode; msk[3] = 0x03; break; | 550 | msk[3] = 0x01; |
| 548 | case 4: sft = 1; sftmsk = 0x04; msk[0] = 0x00; msk[1] = 0x0C; msk[2] = ~rcode; msk[3] = 0x0f; break; | 551 | break; |
| 549 | case 8: sft = 0; sftmsk = 0x00; msk[0] = 0x00; msk[1] = 0x0F; msk[2] = ~rcode; msk[3] = 0xff; break; | 552 | case 2: sft = 2; sftmsk = 0x06; msk[0] = 0x00; msk[1] = 0x01; |
| 553 | msk[3] = 0x03; | ||
| 554 | break; | ||
| 555 | case 4: sft = 1; sftmsk = 0x04; msk[0] = 0x00; msk[1] = 0x0C; | ||
| 556 | msk[3] = 0x0f; | ||
| 557 | break; | ||
| 558 | case 8: sft = 0; sftmsk = 0x00; msk[0] = 0x00; msk[1] = 0x0F; | ||
| 559 | msk[3] = 0xff; | ||
| 560 | break; | ||
| 550 | default: return -EINVAL; | 561 | default: return -EINVAL; |
| 551 | } | 562 | } |
| 552 | 563 | ||
| @@ -554,49 +565,55 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf, | |||
| 554 | 565 | ||
| 555 | to = ((loff_t) page) << this->page_shift; | 566 | to = ((loff_t) page) << this->page_shift; |
| 556 | 567 | ||
| 557 | memcpy(&oobinfo, this->autooob, sizeof(oobinfo)); | ||
| 558 | oobinfo.useecc = MTD_NANDECC_PLACEONLY; | ||
| 559 | |||
| 560 | /* Must we save the block contents ? */ | 568 | /* Must we save the block contents ? */ |
| 561 | if (td->options & NAND_BBT_SAVECONTENT) { | 569 | if (td->options & NAND_BBT_SAVECONTENT) { |
| 562 | /* Make it block aligned */ | 570 | /* Make it block aligned */ |
| 563 | to &= ~((loff_t) ((1 << this->bbt_erase_shift) - 1)); | 571 | to &= ~((loff_t) ((1 << this->bbt_erase_shift) - 1)); |
| 564 | len = 1 << this->bbt_erase_shift; | 572 | len = 1 << this->bbt_erase_shift; |
| 565 | res = mtd->read_ecc(mtd, to, len, &retlen, buf, &buf[len], &oobinfo); | 573 | res = mtd->read(mtd, to, len, &retlen, buf); |
| 566 | if (res < 0) { | 574 | if (res < 0) { |
| 567 | if (retlen != len) { | 575 | if (retlen != len) { |
| 568 | printk(KERN_INFO | 576 | printk(KERN_INFO "nand_bbt: Error " |
| 569 | "nand_bbt: Error reading block for writing the bad block table\n"); | 577 | "reading block for writing " |
| 578 | "the bad block table\n"); | ||
| 570 | return res; | 579 | return res; |
| 571 | } | 580 | } |
| 572 | printk(KERN_WARNING "nand_bbt: ECC error while reading block for writing bad block table\n"); | 581 | printk(KERN_WARNING "nand_bbt: ECC error " |
| 582 | "while reading block for writing " | ||
| 583 | "bad block table\n"); | ||
| 573 | } | 584 | } |
| 585 | /* Read oob data */ | ||
| 586 | ooblen = (len >> this->page_shift) * mtd->oobsize; | ||
| 587 | res = mtd->read_oob(mtd, to + mtd->writesize, ooblen, | ||
| 588 | &retlen, &buf[len]); | ||
| 589 | if (res < 0 || retlen != ooblen) | ||
| 590 | goto outerr; | ||
| 591 | |||
| 574 | /* Calc the byte offset in the buffer */ | 592 | /* Calc the byte offset in the buffer */ |
| 575 | pageoffs = page - (int)(to >> this->page_shift); | 593 | pageoffs = page - (int)(to >> this->page_shift); |
| 576 | offs = pageoffs << this->page_shift; | 594 | offs = pageoffs << this->page_shift; |
| 577 | /* Preset the bbt area with 0xff */ | 595 | /* Preset the bbt area with 0xff */ |
| 578 | memset(&buf[offs], 0xff, (size_t) (numblocks >> sft)); | 596 | memset(&buf[offs], 0xff, (size_t) (numblocks >> sft)); |
| 579 | /* Preset the bbt's oob area with 0xff */ | 597 | ooboffs = len + (pageoffs * mtd->oobsize); |
| 580 | memset(&buf[len + pageoffs * mtd->oobsize], 0xff, | 598 | |
| 581 | ((len >> this->page_shift) - pageoffs) * mtd->oobsize); | ||
| 582 | if (td->options & NAND_BBT_VERSION) { | ||
| 583 | buf[len + (pageoffs * mtd->oobsize) + td->veroffs] = td->version[chip]; | ||
| 584 | } | ||
| 585 | } else { | 599 | } else { |
| 586 | /* Calc length */ | 600 | /* Calc length */ |
| 587 | len = (size_t) (numblocks >> sft); | 601 | len = (size_t) (numblocks >> sft); |
| 588 | /* Make it page aligned ! */ | 602 | /* Make it page aligned ! */ |
| 589 | len = (len + (mtd->writesize - 1)) & ~(mtd->writesize - 1); | 603 | len = (len + (mtd->writesize - 1)) & |
| 604 | ~(mtd->writesize - 1); | ||
| 590 | /* Preset the buffer with 0xff */ | 605 | /* Preset the buffer with 0xff */ |
| 591 | memset(buf, 0xff, len + (len >> this->page_shift) * mtd->oobsize); | 606 | memset(buf, 0xff, len + |
| 607 | (len >> this->page_shift)* mtd->oobsize); | ||
| 592 | offs = 0; | 608 | offs = 0; |
| 609 | ooboffs = len; | ||
| 593 | /* Pattern is located in oob area of first page */ | 610 | /* Pattern is located in oob area of first page */ |
| 594 | memcpy(&buf[len + td->offs], td->pattern, td->len); | 611 | memcpy(&buf[ooboffs + td->offs], td->pattern, td->len); |
| 595 | if (td->options & NAND_BBT_VERSION) { | ||
| 596 | buf[len + td->veroffs] = td->version[chip]; | ||
| 597 | } | ||
| 598 | } | 612 | } |
| 599 | 613 | ||
| 614 | if (td->options & NAND_BBT_VERSION) | ||
| 615 | buf[ooboffs + td->veroffs] = td->version[chip]; | ||
| 616 | |||
| 600 | /* walk through the memory table */ | 617 | /* walk through the memory table */ |
| 601 | for (i = 0; i < numblocks;) { | 618 | for (i = 0; i < numblocks;) { |
| 602 | uint8_t dat; | 619 | uint8_t dat; |
| @@ -604,7 +621,8 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf, | |||
| 604 | for (j = 0; j < 4; j++, i++) { | 621 | for (j = 0; j < 4; j++, i++) { |
| 605 | int sftcnt = (i << (3 - sft)) & sftmsk; | 622 | int sftcnt = (i << (3 - sft)) & sftmsk; |
| 606 | /* Do not store the reserved bbt blocks ! */ | 623 | /* Do not store the reserved bbt blocks ! */ |
| 607 | buf[offs + (i >> sft)] &= ~(msk[dat & 0x03] << sftcnt); | 624 | buf[offs + (i >> sft)] &= |
| 625 | ~(msk[dat & 0x03] << sftcnt); | ||
| 608 | dat >>= 2; | 626 | dat >>= 2; |
| 609 | } | 627 | } |
| 610 | } | 628 | } |
| @@ -614,23 +632,25 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf, | |||
| 614 | einfo.addr = (unsigned long)to; | 632 | einfo.addr = (unsigned long)to; |
| 615 | einfo.len = 1 << this->bbt_erase_shift; | 633 | einfo.len = 1 << this->bbt_erase_shift; |
| 616 | res = nand_erase_nand(mtd, &einfo, 1); | 634 | res = nand_erase_nand(mtd, &einfo, 1); |
| 617 | if (res < 0) { | 635 | if (res < 0) |
| 618 | printk(KERN_WARNING "nand_bbt: Error during block erase: %d\n", res); | 636 | goto outerr; |
| 619 | return res; | ||
| 620 | } | ||
| 621 | 637 | ||
| 622 | res = mtd->write_ecc(mtd, to, len, &retlen, buf, &buf[len], &oobinfo); | 638 | res = nand_write_raw(mtd, to, len, &retlen, buf, &buf[len]); |
| 623 | if (res < 0) { | 639 | if (res < 0) |
| 624 | printk(KERN_WARNING "nand_bbt: Error while writing bad block table %d\n", res); | 640 | goto outerr; |
| 625 | return res; | 641 | |
| 626 | } | 642 | printk(KERN_DEBUG "Bad block table written to 0x%08x, version " |
| 627 | printk(KERN_DEBUG "Bad block table written to 0x%08x, version 0x%02X\n", | 643 | "0x%02X\n", (unsigned int)to, td->version[chip]); |
| 628 | (unsigned int)to, td->version[chip]); | ||
| 629 | 644 | ||
| 630 | /* Mark it as used */ | 645 | /* Mark it as used */ |
| 631 | td->pages[chip] = page; | 646 | td->pages[chip] = page; |
| 632 | } | 647 | } |
| 633 | return 0; | 648 | return 0; |
| 649 | |||
| 650 | outerr: | ||
| 651 | printk(KERN_WARNING | ||
| 652 | "nand_bbt: Error while writing bad block table %d\n", res); | ||
| 653 | return res; | ||
| 634 | } | 654 | } |
| 635 | 655 | ||
| 636 | /** | 656 | /** |
diff --git a/drivers/mtd/nftlcore.c b/drivers/mtd/nftlcore.c index d7cd5fa16ba4..dd03349946c2 100644 --- a/drivers/mtd/nftlcore.c +++ b/drivers/mtd/nftlcore.c | |||
| @@ -70,8 +70,6 @@ static void nftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) | |||
| 70 | nftl->mbd.devnum = -1; | 70 | nftl->mbd.devnum = -1; |
| 71 | nftl->mbd.blksize = 512; | 71 | nftl->mbd.blksize = 512; |
| 72 | nftl->mbd.tr = tr; | 72 | nftl->mbd.tr = tr; |
| 73 | memcpy(&nftl->oobinfo, &mtd->oobinfo, sizeof(struct nand_oobinfo)); | ||
| 74 | nftl->oobinfo.useecc = MTD_NANDECC_PLACEONLY; | ||
| 75 | 73 | ||
| 76 | if (NFTL_mount(nftl) < 0) { | 74 | if (NFTL_mount(nftl) < 0) { |
| 77 | printk(KERN_WARNING "NFTL: could not mount device\n"); | 75 | printk(KERN_WARNING "NFTL: could not mount device\n"); |
| @@ -369,8 +367,11 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p | |||
| 369 | } | 367 | } |
| 370 | memset(&oob, 0xff, sizeof(struct nftl_oob)); | 368 | memset(&oob, 0xff, sizeof(struct nftl_oob)); |
| 371 | oob.b.Status = oob.b.Status1 = SECTOR_USED; | 369 | oob.b.Status = oob.b.Status1 = SECTOR_USED; |
| 372 | MTD_WRITEECC(nftl->mbd.mtd, (nftl->EraseSize * targetEUN) + (block * 512), | 370 | |
| 373 | 512, &retlen, movebuf, (char *)&oob, &nftl->oobinfo); | 371 | nand_write_raw(nftl->mbd.mtd, (nftl->EraseSize * targetEUN) + |
| 372 | (block * 512), 512, &retlen, movebuf, | ||
| 373 | (char *)&oob); | ||
| 374 | |||
| 374 | } | 375 | } |
| 375 | 376 | ||
| 376 | /* add the header so that it is now a valid chain */ | 377 | /* add the header so that it is now a valid chain */ |
| @@ -639,10 +640,10 @@ static int nftl_writeblock(struct mtd_blktrans_dev *mbd, unsigned long block, | |||
| 639 | 640 | ||
| 640 | memset(&oob, 0xff, sizeof(struct nftl_oob)); | 641 | memset(&oob, 0xff, sizeof(struct nftl_oob)); |
| 641 | oob.b.Status = oob.b.Status1 = SECTOR_USED; | 642 | oob.b.Status = oob.b.Status1 = SECTOR_USED; |
| 642 | MTD_WRITEECC(nftl->mbd.mtd, (writeEUN * nftl->EraseSize) + blockofs, | ||
| 643 | 512, &retlen, (char *)buffer, (char *)&oob, &nftl->oobinfo); | ||
| 644 | /* need to write SECTOR_USED flags since they are not written in mtd_writeecc */ | ||
| 645 | 643 | ||
| 644 | nand_write_raw(nftl->mbd.mtd, (writeEUN * nftl->EraseSize) + | ||
| 645 | blockofs, 512, &retlen, (char *)buffer, | ||
| 646 | (char *)&oob); | ||
| 646 | return 0; | 647 | return 0; |
| 647 | } | 648 | } |
| 648 | #endif /* CONFIG_NFTL_RW */ | 649 | #endif /* CONFIG_NFTL_RW */ |
diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c index 3b104ebb219a..90e5e7e97fdc 100644 --- a/drivers/mtd/nftlmount.c +++ b/drivers/mtd/nftlmount.c | |||
| @@ -268,18 +268,22 @@ static int memcmpb(void *a, int c, int n) | |||
| 268 | static int check_free_sectors(struct NFTLrecord *nftl, unsigned int address, int len, | 268 | static int check_free_sectors(struct NFTLrecord *nftl, unsigned int address, int len, |
| 269 | int check_oob) | 269 | int check_oob) |
| 270 | { | 270 | { |
| 271 | int i; | ||
| 272 | size_t retlen; | ||
| 273 | u8 buf[SECTORSIZE + nftl->mbd.mtd->oobsize]; | 271 | u8 buf[SECTORSIZE + nftl->mbd.mtd->oobsize]; |
| 272 | struct mtd_info *mtd = nftl->mbd.mtd; | ||
| 273 | size_t retlen; | ||
| 274 | int i; | ||
| 274 | 275 | ||
| 275 | for (i = 0; i < len; i += SECTORSIZE) { | 276 | for (i = 0; i < len; i += SECTORSIZE) { |
| 276 | if (MTD_READECC(nftl->mbd.mtd, address, SECTORSIZE, &retlen, buf, &buf[SECTORSIZE], &nftl->oobinfo) < 0) | 277 | if (mtd->read(mtd, address, SECTORSIZE, &retlen, buf)) |
| 277 | return -1; | 278 | return -1; |
| 278 | if (memcmpb(buf, 0xff, SECTORSIZE) != 0) | 279 | if (memcmpb(buf, 0xff, SECTORSIZE) != 0) |
| 279 | return -1; | 280 | return -1; |
| 280 | 281 | ||
| 281 | if (check_oob) { | 282 | if (check_oob) { |
| 282 | if (memcmpb(buf + SECTORSIZE, 0xff, nftl->mbd.mtd->oobsize) != 0) | 283 | if(mtd->read_oob(mtd, address, mtd->oobsize, |
| 284 | &retlen, &buf[SECTORSIZE]) < 0) | ||
| 285 | return -1; | ||
| 286 | if (memcmpb(buf + SECTORSIZE, 0xff, mtd->oobsize) != 0) | ||
| 283 | return -1; | 287 | return -1; |
| 284 | } | 288 | } |
| 285 | address += SECTORSIZE; | 289 | address += SECTORSIZE; |
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 3a3fe1d8fcdd..7a2419186ff4 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c | |||
| @@ -597,31 +597,28 @@ static void onenand_release_device(struct mtd_info *mtd) | |||
| 597 | } | 597 | } |
| 598 | 598 | ||
| 599 | /** | 599 | /** |
| 600 | * onenand_read_ecc - [MTD Interface] Read data with ECC | 600 | * onenand_read - [MTD Interface] Read data from flash |
| 601 | * @param mtd MTD device structure | 601 | * @param mtd MTD device structure |
| 602 | * @param from offset to read from | 602 | * @param from offset to read from |
| 603 | * @param len number of bytes to read | 603 | * @param len number of bytes to read |
| 604 | * @param retlen pointer to variable to store the number of read bytes | 604 | * @param retlen pointer to variable to store the number of read bytes |
| 605 | * @param buf the databuffer to put data | 605 | * @param buf the databuffer to put data |
| 606 | * @param oob_buf filesystem supplied oob data buffer | ||
| 607 | * @param oobsel oob selection structure | ||
| 608 | * | 606 | * |
| 609 | * OneNAND read with ECC | 607 | * Read with ecc |
| 610 | */ | 608 | */ |
| 611 | static int onenand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, | 609 | static int onenand_read(struct mtd_info *mtd, loff_t from, size_t len, |
| 612 | size_t *retlen, u_char *buf, | 610 | size_t *retlen, u_char *buf) |
| 613 | u_char *oob_buf, struct nand_oobinfo *oobsel) | ||
| 614 | { | 611 | { |
| 615 | struct onenand_chip *this = mtd->priv; | 612 | struct onenand_chip *this = mtd->priv; |
| 616 | int read = 0, column; | 613 | int read = 0, column; |
| 617 | int thislen; | 614 | int thislen; |
| 618 | int ret = 0; | 615 | int ret = 0; |
| 619 | 616 | ||
| 620 | DEBUG(MTD_DEBUG_LEVEL3, "onenand_read_ecc: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len); | 617 | DEBUG(MTD_DEBUG_LEVEL3, "onenand_read: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len); |
| 621 | 618 | ||
| 622 | /* Do not allow reads past end of device */ | 619 | /* Do not allow reads past end of device */ |
| 623 | if ((from + len) > mtd->size) { | 620 | if ((from + len) > mtd->size) { |
| 624 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_read_ecc: Attempt read beyond end of device\n"); | 621 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_read: Attempt read beyond end of device\n"); |
| 625 | *retlen = 0; | 622 | *retlen = 0; |
| 626 | return -EINVAL; | 623 | return -EINVAL; |
| 627 | } | 624 | } |
| @@ -654,7 +651,7 @@ static int onenand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, | |||
| 654 | break; | 651 | break; |
| 655 | 652 | ||
| 656 | if (ret) { | 653 | if (ret) { |
| 657 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_read_ecc: read failed = %d\n", ret); | 654 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_read: read failed = %d\n", ret); |
| 658 | goto out; | 655 | goto out; |
| 659 | } | 656 | } |
| 660 | 657 | ||
| @@ -676,22 +673,6 @@ out: | |||
| 676 | } | 673 | } |
| 677 | 674 | ||
| 678 | /** | 675 | /** |
| 679 | * onenand_read - [MTD Interface] MTD compability function for onenand_read_ecc | ||
| 680 | * @param mtd MTD device structure | ||
| 681 | * @param from offset to read from | ||
| 682 | * @param len number of bytes to read | ||
| 683 | * @param retlen pointer to variable to store the number of read bytes | ||
| 684 | * @param buf the databuffer to put data | ||
| 685 | * | ||
| 686 | * This function simply calls onenand_read_ecc with oob buffer and oobsel = NULL | ||
| 687 | */ | ||
| 688 | static int onenand_read(struct mtd_info *mtd, loff_t from, size_t len, | ||
| 689 | size_t *retlen, u_char *buf) | ||
| 690 | { | ||
| 691 | return onenand_read_ecc(mtd, from, len, retlen, buf, NULL, NULL); | ||
| 692 | } | ||
| 693 | |||
| 694 | /** | ||
| 695 | * onenand_read_oob - [MTD Interface] OneNAND read out-of-band | 676 | * onenand_read_oob - [MTD Interface] OneNAND read out-of-band |
| 696 | * @param mtd MTD device structure | 677 | * @param mtd MTD device structure |
| 697 | * @param from offset to read from | 678 | * @param from offset to read from |
| @@ -834,39 +815,36 @@ static int onenand_verify_page(struct mtd_info *mtd, u_char *buf, loff_t addr) | |||
| 834 | #define NOTALIGNED(x) ((x & (mtd->writesize - 1)) != 0) | 815 | #define NOTALIGNED(x) ((x & (mtd->writesize - 1)) != 0) |
| 835 | 816 | ||
| 836 | /** | 817 | /** |
| 837 | * onenand_write_ecc - [MTD Interface] OneNAND write with ECC | 818 | * onenand_write - [MTD Interface] write buffer to FLASH |
| 838 | * @param mtd MTD device structure | 819 | * @param mtd MTD device structure |
| 839 | * @param to offset to write to | 820 | * @param to offset to write to |
| 840 | * @param len number of bytes to write | 821 | * @param len number of bytes to write |
| 841 | * @param retlen pointer to variable to store the number of written bytes | 822 | * @param retlen pointer to variable to store the number of written bytes |
| 842 | * @param buf the data to write | 823 | * @param buf the data to write |
| 843 | * @param eccbuf filesystem supplied oob data buffer | ||
| 844 | * @param oobsel oob selection structure | ||
| 845 | * | 824 | * |
| 846 | * OneNAND write with ECC | 825 | * Write with ECC |
| 847 | */ | 826 | */ |
| 848 | static int onenand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | 827 | static int onenand_write(struct mtd_info *mtd, loff_t to, size_t len, |
| 849 | size_t *retlen, const u_char *buf, | 828 | size_t *retlen, const u_char *buf) |
| 850 | u_char *eccbuf, struct nand_oobinfo *oobsel) | ||
| 851 | { | 829 | { |
| 852 | struct onenand_chip *this = mtd->priv; | 830 | struct onenand_chip *this = mtd->priv; |
| 853 | int written = 0; | 831 | int written = 0; |
| 854 | int ret = 0; | 832 | int ret = 0; |
| 855 | 833 | ||
| 856 | DEBUG(MTD_DEBUG_LEVEL3, "onenand_write_ecc: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len); | 834 | DEBUG(MTD_DEBUG_LEVEL3, "onenand_write: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len); |
| 857 | 835 | ||
| 858 | /* Initialize retlen, in case of early exit */ | 836 | /* Initialize retlen, in case of early exit */ |
| 859 | *retlen = 0; | 837 | *retlen = 0; |
| 860 | 838 | ||
| 861 | /* Do not allow writes past end of device */ | 839 | /* Do not allow writes past end of device */ |
| 862 | if (unlikely((to + len) > mtd->size)) { | 840 | if (unlikely((to + len) > mtd->size)) { |
| 863 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_ecc: Attempt write to past end of device\n"); | 841 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_write: Attempt write to past end of device\n"); |
| 864 | return -EINVAL; | 842 | return -EINVAL; |
| 865 | } | 843 | } |
| 866 | 844 | ||
| 867 | /* Reject writes, which are not page aligned */ | 845 | /* Reject writes, which are not page aligned */ |
| 868 | if (unlikely(NOTALIGNED(to)) || unlikely(NOTALIGNED(len))) { | 846 | if (unlikely(NOTALIGNED(to)) || unlikely(NOTALIGNED(len))) { |
| 869 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_ecc: Attempt to write not page aligned data\n"); | 847 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_write: Attempt to write not page aligned data\n"); |
| 870 | return -EINVAL; | 848 | return -EINVAL; |
| 871 | } | 849 | } |
| 872 | 850 | ||
| @@ -888,7 +866,7 @@ static int onenand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
| 888 | 866 | ||
| 889 | ret = this->wait(mtd, FL_WRITING); | 867 | ret = this->wait(mtd, FL_WRITING); |
| 890 | if (ret) { | 868 | if (ret) { |
| 891 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_ecc: write filaed %d\n", ret); | 869 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_write: write filaed %d\n", ret); |
| 892 | goto out; | 870 | goto out; |
| 893 | } | 871 | } |
| 894 | 872 | ||
| @@ -897,7 +875,7 @@ static int onenand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, | |||
| 897 | /* Only check verify write turn on */ | 875 | /* Only check verify write turn on */ |
| 898 | ret = onenand_verify_page(mtd, (u_char *) buf, to); | 876 | ret = onenand_verify_page(mtd, (u_char *) buf, to); |
| 899 | if (ret) { | 877 | if (ret) { |
| 900 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_write_ecc: verify failed %d\n", ret); | 878 | DEBUG(MTD_DEBUG_LEVEL0, "onenand_write: verify failed %d\n", ret); |
| 901 | goto out; | 879 | goto out; |
| 902 | } | 880 | } |
| 903 | 881 | ||
| @@ -918,23 +896,6 @@ out: | |||
| 918 | } | 896 | } |
| 919 | 897 | ||
| 920 | /** | 898 | /** |
| 921 | * onenand_write - [MTD Interface] compability function for onenand_write_ecc | ||
| 922 | * @param mtd MTD device structure | ||
| 923 | * @param to offset to write to | ||
| 924 | * @param len number of bytes to write | ||
| 925 | * @param retlen pointer to variable to store the number of written bytes | ||
| 926 | * @param buf the data to write | ||
| 927 | * | ||
| 928 | * This function simply calls onenand_write_ecc | ||
| 929 | * with oob buffer and oobsel = NULL | ||
| 930 | */ | ||
| 931 | static int onenand_write(struct mtd_info *mtd, loff_t to, size_t len, | ||
| 932 | size_t *retlen, const u_char *buf) | ||
| 933 | { | ||
| 934 | return onenand_write_ecc(mtd, to, len, retlen, buf, NULL, NULL); | ||
| 935 | } | ||
| 936 | |||
| 937 | /** | ||
| 938 | * onenand_write_oob - [MTD Interface] OneNAND write out-of-band | 899 | * onenand_write_oob - [MTD Interface] OneNAND write out-of-band |
| 939 | * @param mtd MTD device structure | 900 | * @param mtd MTD device structure |
| 940 | * @param to offset to write to | 901 | * @param to offset to write to |
| @@ -1812,8 +1773,6 @@ int onenand_scan(struct mtd_info *mtd, int maxchips) | |||
| 1812 | mtd->unpoint = NULL; | 1773 | mtd->unpoint = NULL; |
| 1813 | mtd->read = onenand_read; | 1774 | mtd->read = onenand_read; |
| 1814 | mtd->write = onenand_write; | 1775 | mtd->write = onenand_write; |
| 1815 | mtd->read_ecc = onenand_read_ecc; | ||
| 1816 | mtd->write_ecc = onenand_write_ecc; | ||
| 1817 | mtd->read_oob = onenand_read_oob; | 1776 | mtd->read_oob = onenand_read_oob; |
| 1818 | mtd->write_oob = onenand_write_oob; | 1777 | mtd->write_oob = onenand_write_oob; |
| 1819 | #ifdef CONFIG_MTD_ONENAND_OTP | 1778 | #ifdef CONFIG_MTD_ONENAND_OTP |
