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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 14:50:31 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 14:50:31 -0700 |
commit | be967b7e2f7747a5ebf2a07ee627d9338491e784 (patch) | |
tree | f42b82601209a52b8ee478e36d8b21543ab03060 /drivers/mtd/inftlmount.c | |
parent | eef11427edcb821b63920219f89379fab84198b9 (diff) | |
parent | 7bc3312bef4d6f220812500c0de7868fb7625a41 (diff) | |
download | op-kernel-dev-be967b7e2f7747a5ebf2a07ee627d9338491e784.zip op-kernel-dev-be967b7e2f7747a5ebf2a07ee627d9338491e784.tar.gz |
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (199 commits)
[MTD] NAND: Fix breakage all over the place
[PATCH] NAND: fix remaining OOB length calculation
[MTD] NAND Fixup NDFC merge brokeness
[MTD NAND] S3C2410 driver cleanup
[MTD NAND] s3c24x0 board: Fix clock handling, ensure proper initialisation.
[JFFS2] Check CRC32 on dirent and data nodes each time they're read
[JFFS2] When retiring nextblock, allocate a node_ref for the wasted space
[JFFS2] Mark XATTR support as experimental, for now
[JFFS2] Don't trust node headers before the CRC is checked.
[MTD] Restore MTD_ROM and MTD_RAM types
[MTD] assume mtd->writesize is 1 for NOR flashes
[MTD NAND] Fix s3c2410 NAND driver so it at least _looks_ like it compiles
[MTD] Prepare physmap for 64-bit-resources
[JFFS2] Fix more breakage caused by janitorial meddling.
[JFFS2] Remove stray __exit from jffs2_compressors_exit()
[MTD] Allow alternate JFFS2 mount variant for root filesystem.
[MTD] Disconnect struct mtd_info from ABI
[MTD] replace MTD_RAM with MTD_GENERIC_TYPE
[MTD] replace MTD_ROM with MTD_GENERIC_TYPE
[MTD] remove a forgotten MTD_XIP
...
Diffstat (limited to 'drivers/mtd/inftlmount.c')
-rw-r--r-- | drivers/mtd/inftlmount.c | 60 |
1 files changed, 35 insertions, 25 deletions
diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c index 43fdc94..8f6006f 100644 --- a/drivers/mtd/inftlmount.c +++ b/drivers/mtd/inftlmount.c @@ -43,6 +43,11 @@ char inftlmountrev[]="$Revision: 1.18 $"; +extern int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len, + size_t *retlen, uint8_t *buf); +extern int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len, + size_t *retlen, uint8_t *buf); + /* * find_boot_record: Find the INFTL Media Header and its Spare copy which * contains the various device information of the INFTL partition and @@ -57,6 +62,7 @@ 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 +86,8 @@ 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 +112,9 @@ 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 = inftl_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 +130,8 @@ 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 +240,7 @@ 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 " @@ -350,21 +357,21 @@ static int check_free_sectors(struct INFTLrecord *inftl, unsigned int address, int len, int check_oob) { u8 buf[SECTORSIZE + inftl->mbd.mtd->oobsize]; + struct mtd_info *mtd = inftl->mbd.mtd; size_t retlen; int i; - DEBUG(MTD_DEBUG_LEVEL3, "INFTL: check_free_sectors(inftl=%p," - "address=0x%x,len=%d,check_oob=%d)\n", inftl, - address, len, check_oob); - for (i = 0; i < len; i += SECTORSIZE) { - if (MTD_READECC(inftl->mbd.mtd, address, SECTORSIZE, &retlen, buf, &buf[SECTORSIZE], &inftl->oobinfo) < 0) + if (mtd->read(mtd, address, SECTORSIZE, &retlen, buf)) return -1; if (memcmpb(buf, 0xff, SECTORSIZE) != 0) return -1; if (check_oob) { - if (memcmpb(buf + SECTORSIZE, 0xff, inftl->mbd.mtd->oobsize) != 0) + if(inftl_read_oob(mtd, address, mtd->oobsize, + &retlen, &buf[SECTORSIZE]) < 0) + return -1; + if (memcmpb(buf + SECTORSIZE, 0xff, mtd->oobsize) != 0) return -1; } address += SECTORSIZE; @@ -387,6 +394,7 @@ 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 +412,9 @@ 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 +423,10 @@ 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 +438,7 @@ 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 (inftl_write_oob(mtd, instr->addr + 8, 8, &retlen, (char *)&uci) < 0) goto fail; return 0; fail: @@ -549,6 +557,7 @@ 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 +616,11 @@ 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 (inftl_read_oob(mtd, block * s->EraseSize + 8, + 8, &retlen, (char *)&h0) < 0 || + inftl_read_oob(mtd, block * s->EraseSize + + 2 * SECTORSIZE + 8, 8, &retlen, + (char *)&h1) < 0) { /* Should never happen? */ do_format_chain++; break; |