diff options
Diffstat (limited to 'drivers/mtd/onenand/onenand_base.c')
-rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 82 |
1 files changed, 33 insertions, 49 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 858e322..ddfe7e7 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -743,7 +743,7 @@ static void onenand_release_device(struct mtd_info *mtd) } /** - * onenand_transfer_auto_oob - [Internal] oob auto-placement transfer + * onenand_transfer_auto_oob - [INTERN] oob auto-placement transfer * @param mtd MTD device structure * @param buf destination address * @param column oob offset to read from @@ -807,7 +807,7 @@ static int onenand_recover_lsb(struct mtd_info *mtd, loff_t addr, int status) return status; /* check if we failed due to uncorrectable error */ - if (status != -EBADMSG && status != ONENAND_BBT_READ_ECC_ERROR) + if (!mtd_is_eccerr(status) && status != ONENAND_BBT_READ_ECC_ERROR) return status; /* check if address lies in MLC region */ @@ -847,7 +847,7 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from, MTDDEBUG(MTD_DEBUG_LEVEL3, "onenand_read_ops_nolock: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len); - if (ops->mode == MTD_OOB_AUTO) + if (ops->mode == MTD_OPS_AUTO_OOB) oobsize = this->ecclayout->oobavail; else oobsize = mtd->oobsize; @@ -914,7 +914,7 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from, thisooblen = oobsize - oobcolumn; thisooblen = min_t(int, thisooblen, ooblen - oobread); - if (ops->mode == MTD_OOB_AUTO) + if (ops->mode == MTD_OPS_AUTO_OOB) onenand_transfer_auto_oob(mtd, oobbuf, oobcolumn, thisooblen); else this->read_bufferram(mtd, 0, ONENAND_SPARERAM, oobbuf, oobcolumn, thisooblen); @@ -929,7 +929,7 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from, if (unlikely(ret)) ret = onenand_recover_lsb(mtd, from, ret); onenand_update_bufferram(mtd, from, !ret); - if (ret == -EBADMSG) + if (mtd_is_eccerr(ret)) ret = 0; } @@ -950,7 +950,7 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from, /* Now wait for load */ ret = this->wait(mtd, FL_READING); onenand_update_bufferram(mtd, from, !ret); - if (ret == -EBADMSG) + if (mtd_is_eccerr(ret)) ret = 0; } } @@ -987,7 +987,7 @@ static int onenand_read_oob_nolock(struct mtd_info *mtd, loff_t from, struct mtd_ecc_stats stats; int read = 0, thislen, column, oobsize; size_t len = ops->ooblen; - mtd_oob_mode_t mode = ops->mode; + unsigned int mode = ops->mode; u_char *buf = ops->oobbuf; int ret = 0, readcmd; @@ -998,7 +998,7 @@ static int onenand_read_oob_nolock(struct mtd_info *mtd, loff_t from, /* Initialize return length value */ ops->oobretlen = 0; - if (mode == MTD_OOB_AUTO) + if (mode == MTD_OPS_AUTO_OOB) oobsize = this->ecclayout->oobavail; else oobsize = mtd->oobsize; @@ -1041,7 +1041,7 @@ static int onenand_read_oob_nolock(struct mtd_info *mtd, loff_t from, break; } - if (mode == MTD_OOB_AUTO) + if (mode == MTD_OPS_AUTO_OOB) onenand_transfer_auto_oob(mtd, buf, column, thislen); else this->read_bufferram(mtd, 0, ONENAND_SPARERAM, buf, column, thislen); @@ -1115,10 +1115,10 @@ int onenand_read_oob(struct mtd_info *mtd, loff_t from, int ret; switch (ops->mode) { - case MTD_OOB_PLACE: - case MTD_OOB_AUTO: + case MTD_OPS_PLACE_OOB: + case MTD_OPS_AUTO_OOB: break; - case MTD_OOB_RAW: + case MTD_OPS_RAW: /* Not implemented yet */ default: return -EINVAL; @@ -1337,7 +1337,7 @@ static int onenand_verify(struct mtd_info *mtd, const u_char *buf, loff_t addr, #define NOTALIGNED(x) ((x & (this->subpagesize - 1)) != 0) /** - * onenand_fill_auto_oob - [Internal] oob auto-placement transfer + * onenand_fill_auto_oob - [INTERN] oob auto-placement transfer * @param mtd MTD device structure * @param oob_buf oob buffer * @param buf source address @@ -1404,19 +1404,13 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to, ops->retlen = 0; ops->oobretlen = 0; - /* Do not allow writes past end of device */ - if (unlikely((to + len) > mtd->size)) { - printk(KERN_ERR "onenand_write_ops_nolock: Attempt write to past end of device\n"); - return -EINVAL; - } - /* Reject writes, which are not page aligned */ if (unlikely(NOTALIGNED(to) || NOTALIGNED(len))) { printk(KERN_ERR "onenand_write_ops_nolock: Attempt to write not page aligned data\n"); return -EINVAL; } - if (ops->mode == MTD_OOB_AUTO) + if (ops->mode == MTD_OPS_AUTO_OOB) oobsize = this->ecclayout->oobavail; else oobsize = mtd->oobsize; @@ -1450,7 +1444,7 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to, /* We send data to spare ram with oobsize * * to prevent byte access */ memset(oobbuf, 0xff, mtd->oobsize); - if (ops->mode == MTD_OOB_AUTO) + if (ops->mode == MTD_OPS_AUTO_OOB) onenand_fill_auto_oob(mtd, oobbuf, oob, oobcolumn, thisooblen); else memcpy(oobbuf + oobcolumn, oob, thisooblen); @@ -1502,7 +1496,7 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to, } /** - * onenand_write_oob_nolock - [Internal] OneNAND write out-of-band + * onenand_write_oob_nolock - [INTERN] OneNAND write out-of-band * @param mtd MTD device structure * @param to offset to write to * @param len number of bytes to write @@ -1521,7 +1515,7 @@ static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to, u_char *oobbuf; size_t len = ops->ooblen; const u_char *buf = ops->oobbuf; - mtd_oob_mode_t mode = ops->mode; + unsigned int mode = ops->mode; to += ops->ooboffs; @@ -1530,7 +1524,7 @@ static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to, /* Initialize retlen, in case of early exit */ ops->oobretlen = 0; - if (mode == MTD_OOB_AUTO) + if (mode == MTD_OPS_AUTO_OOB) oobsize = this->ecclayout->oobavail; else oobsize = mtd->oobsize; @@ -1571,7 +1565,7 @@ static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to, /* We send data to spare ram with oobsize * to prevent byte access */ memset(oobbuf, 0xff, mtd->oobsize); - if (mode == MTD_OOB_AUTO) + if (mode == MTD_OPS_AUTO_OOB) onenand_fill_auto_oob(mtd, oobbuf, buf, column, thislen); else memcpy(oobbuf + column, buf, thislen); @@ -1661,10 +1655,10 @@ int onenand_write_oob(struct mtd_info *mtd, loff_t to, int ret; switch (ops->mode) { - case MTD_OOB_PLACE: - case MTD_OOB_AUTO: + case MTD_OPS_PLACE_OOB: + case MTD_OPS_AUTO_OOB: break; - case MTD_OOB_RAW: + case MTD_OPS_RAW: /* Not implemented yet */ default: return -EINVAL; @@ -1720,13 +1714,6 @@ int onenand_erase(struct mtd_info *mtd, struct erase_info *instr) MTDDEBUG(MTD_DEBUG_LEVEL3, "onenand_erase: start = 0x%08x, len = %i\n", (unsigned int) addr, len); - /* Do not allow erase past end of device */ - if (unlikely((len + addr) > mtd->size)) { - MTDDEBUG(MTD_DEBUG_LEVEL0, "onenand_erase:" - "Erase past end of device\n"); - return -EINVAL; - } - if (FLEXONENAND(this)) { /* Find the eraseregion of this address */ i = flexonenand_region(mtd, addr); @@ -1762,8 +1749,6 @@ int onenand_erase(struct mtd_info *mtd, struct erase_info *instr) return -EINVAL; } - instr->fail_addr = 0xffffffff; - /* Grab the lock and see if the device is available */ onenand_get_device(mtd, FL_ERASING); @@ -1889,7 +1874,7 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) struct bbm_info *bbm = this->bbm; u_char buf[2] = {0, 0}; struct mtd_oob_ops ops = { - .mode = MTD_OOB_PLACE, + .mode = MTD_OPS_PLACE_OOB, .ooblen = 2, .oobbuf = buf, .ooboffs = 0, @@ -1915,7 +1900,6 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) */ int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs) { - struct onenand_chip *this = mtd->priv; int ret; ret = onenand_block_isbad(mtd, ofs); @@ -1926,7 +1910,7 @@ int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs) return ret; } - ret = this->block_markbad(mtd, ofs); + ret = mtd_block_markbad(mtd, ofs); return ret; } @@ -2386,7 +2370,7 @@ static int flexonenand_check_blocks_erased(struct mtd_info *mtd, int i, ret; int block; struct mtd_oob_ops ops = { - .mode = MTD_OOB_PLACE, + .mode = MTD_OPS_PLACE_OOB, .ooboffs = 0, .ooblen = mtd->oobsize, .datbuf = NULL, @@ -2645,14 +2629,14 @@ int onenand_probe(struct mtd_info *mtd) mtd->size = this->chipsize; mtd->flags = MTD_CAP_NANDFLASH; - mtd->erase = onenand_erase; - mtd->read = onenand_read; - mtd->write = onenand_write; - mtd->read_oob = onenand_read_oob; - mtd->write_oob = onenand_write_oob; - mtd->sync = onenand_sync; - mtd->block_isbad = onenand_block_isbad; - mtd->block_markbad = onenand_block_markbad; + mtd->_erase = onenand_erase; + mtd->_read = onenand_read; + mtd->_write = onenand_write; + mtd->_read_oob = onenand_read_oob; + mtd->_write_oob = onenand_write_oob; + mtd->_sync = onenand_sync; + mtd->_block_isbad = onenand_block_isbad; + mtd->_block_markbad = onenand_block_markbad; return 0; } |