diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/mtdchar.c | 26 | ||||
| -rw-r--r-- | drivers/mtd/mtdconcat.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/mtdpart.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/diskonchip.c | 5 | ||||
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 52 | ||||
| -rw-r--r-- | drivers/mtd/nand/ndfc.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/rtc_from4.c | 5 | ||||
| -rw-r--r-- | drivers/mtd/nand/s3c2410.c | 5 | ||||
| -rw-r--r-- | drivers/mtd/nand/sharpsl.c | 5 | ||||
| -rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 14 |
10 files changed, 74 insertions, 44 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 608f7af679cb..e75ec5fe7760 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -512,14 +512,36 @@ static int mtd_ioctl(struct inode *inode, struct file *file, break; } + /* Legacy interface */ case MEMGETOOBSEL: { - if (copy_to_user(argp, mtd->oobinfo, - sizeof(struct nand_oobinfo))) + struct nand_oobinfo oi; + + if (!mtd->ecclayout) + return -EOPNOTSUPP; + if (mtd->ecclayout->eccbytes > ARRAY_SIZE(oi.eccpos)) + return -EINVAL; + + oi.useecc = MTD_NANDECC_AUTOPLACE; + memcpy(&oi.eccpos, mtd->ecclayout->eccpos, sizeof(oi.eccpos)); + memcpy(&oi.oobfree, mtd->ecclayout->oobfree, + sizeof(oi.oobfree)); + + if (copy_to_user(argp, &oi, sizeof(struct nand_oobinfo))) return -EFAULT; break; } + case ECCGETLAYOUT: + + if (!mtd->ecclayout) + return -EOPNOTSUPP; + + if (copy_to_user(argp, &mtd->ecclayout, + sizeof(struct nand_ecclayout))) + return -EFAULT; + break; + case MEMGETBADBLOCK: { loff_t offs; diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index 699fce7770de..ec15abcdbdfa 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -766,7 +766,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c } - concat->mtd.oobinfo = subdev[0]->oobinfo; + concat->mtd.ecclayout = subdev[0]->ecclayout; concat->num_subdev = num_devs; concat->mtd.name = name; diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index b6b218952d49..6d7639b98eab 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -434,7 +434,7 @@ int add_mtd_partitions(struct mtd_info *master, parts[i].name); } - slave->mtd.oobinfo = master->oobinfo; + slave->mtd.ecclayout = master->ecclayout; if(parts[i].mtdp) { /* store the object pointer (caller may or may not register it */ diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c index 82262a4a4208..463e12ced1b3 100644 --- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -1058,8 +1058,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, * safer. The only problem with it is that any code that parses oobfree must * be able to handle out-of-order segments. */ -static struct nand_oobinfo doc200x_oobinfo = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout doc200x_oobinfo = { .eccbytes = 6, .eccpos = {0, 1, 2, 3, 4, 5}, .oobfree = {{8, 8}, {6, 2}} @@ -1662,7 +1661,7 @@ static int __init doc_probe(unsigned long physadr) nand->ecc.calculate = doc200x_calculate_ecc; nand->ecc.correct = doc200x_correct_data; - nand->autooob = &doc200x_oobinfo; + nand->ecc.layout = &doc200x_oobinfo; nand->ecc.mode = NAND_ECC_HW_SYNDROME; nand->ecc.size = 512; nand->ecc.bytes = 6; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 20f79fec73b5..e922b829c4be 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -52,28 +52,33 @@ #endif /* Define default oob placement schemes for large and small page devices */ -static struct nand_oobinfo nand_oob_8 = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout nand_oob_8 = { .eccbytes = 3, .eccpos = {0, 1, 2}, - .oobfree = {{3, 2}, {6, 2}} + .oobfree = { + {.offset = 3, + .length = 2}, + {.offset = 6, + .length = 2}} }; -static struct nand_oobinfo nand_oob_16 = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout nand_oob_16 = { .eccbytes = 6, .eccpos = {0, 1, 2, 3, 6, 7}, - .oobfree = {{8, 8}} + .oobfree = { + {.offset = 8, + . length = 8}} }; -static struct nand_oobinfo nand_oob_64 = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout nand_oob_64 = { .eccbytes = 24, .eccpos = { 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63}, - .oobfree = {{2, 38}} + .oobfree = { + {.offset = 2, + .length = 38}} }; /* This is used for padding purposes in nand_write_oob */ @@ -749,7 +754,7 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *p = buf; uint8_t *ecc_calc = chip->buffers.ecccalc; uint8_t *ecc_code = chip->buffers.ecccode; - int *eccpos = chip->autooob->eccpos; + int *eccpos = chip->ecc.layout->eccpos; chip->read_buf(mtd, buf, mtd->writesize); chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); @@ -795,7 +800,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *p = buf; uint8_t *ecc_calc = chip->buffers.ecccalc; uint8_t *ecc_code = chip->buffers.ecccode; - int *eccpos = chip->autooob->eccpos; + int *eccpos = chip->ecc.layout->eccpos; for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { chip->ecc.hwctl(mtd, NAND_ECC_READ); @@ -1198,7 +1203,7 @@ static void nand_write_page_swecc(struct mtd_info *mtd, struct nand_chip *chip, int eccsteps = chip->ecc.steps; uint8_t *ecc_calc = chip->buffers.ecccalc; const uint8_t *p = buf; - int *eccpos = chip->autooob->eccpos; + int *eccpos = chip->ecc.layout->eccpos; if (chip->ecc.mode != NAND_ECC_NONE) { /* Software ecc calculation */ @@ -1227,7 +1232,7 @@ static void nand_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, int eccsteps = chip->ecc.steps; uint8_t *ecc_calc = chip->buffers.ecccalc; const uint8_t *p = buf; - int *eccpos = chip->autooob->eccpos; + int *eccpos = chip->ecc.layout->eccpos; for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { chip->ecc.hwctl(mtd, NAND_ECC_WRITE); @@ -2124,16 +2129,16 @@ int nand_scan(struct mtd_info *mtd, int maxchips) /* * If no default placement scheme is given, select an appropriate one */ - if (!chip->autooob) { + if (!chip->ecc.layout) { switch (mtd->oobsize) { case 8: - chip->autooob = &nand_oob_8; + chip->ecc.layout = &nand_oob_8; break; case 16: - chip->autooob = &nand_oob_16; + chip->ecc.layout = &nand_oob_16; break; case 64: - chip->autooob = &nand_oob_64; + chip->ecc.layout = &nand_oob_64; break; default: printk(KERN_WARNING "No oob scheme defined for " @@ -2198,6 +2203,15 @@ int nand_scan(struct mtd_info *mtd, int maxchips) } /* + * The number of bytes available for a client to place data into + * the out of band area + */ + chip->ecc.layout->oobavail = 0; + for (i = 0; chip->ecc.layout->oobfree[i].length; i++) + chip->ecc.layout->oobavail += + chip->ecc.layout->oobfree[i].length; + + /* * Set the number of read / write steps for one page depending on ECC * mode */ @@ -2236,8 +2250,8 @@ int nand_scan(struct mtd_info *mtd, int maxchips) mtd->block_isbad = nand_block_isbad; mtd->block_markbad = nand_block_markbad; - /* and make the autooob the default one */ - mtd->oobinfo = chip->autooob; + /* propagate ecc.layout to mtd_info */ + mtd->ecclayout = chip->ecc.layout; /* Check, if we should skip the bad block table scan */ if (chip->options & NAND_SKIP_BBTSCAN) diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c index 5790d630faed..551702ddcacb 100644 --- a/drivers/mtd/nand/ndfc.c +++ b/drivers/mtd/nand/ndfc.c @@ -168,7 +168,7 @@ static void ndfc_chip_init(struct ndfc_nand_mtd *mtd) chip->ecc.mode = NAND_ECC_HW; chip->ecc.size = 256; chip->ecc.bytes = 3; - chip->autooob = mtd->pl_chip->oobinfo; + chip->ecclayout = mtd->pl_chip->ecclayout; mtd->mtd.priv = chip; mtd->mtd.owner = THIS_MODULE; } diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c index de6de91fbad9..f8c49645324d 100644 --- a/drivers/mtd/nand/rtc_from4.c +++ b/drivers/mtd/nand/rtc_from4.c @@ -142,8 +142,7 @@ static struct rs_control *rs_decoder; /* * hardware specific Out Of Band information */ -static struct nand_oobinfo rtc_from4_nand_oobinfo = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout rtc_from4_nand_oobinfo = { .eccbytes = 32, .eccpos = { 0, 1, 2, 3, 4, 5, 6, 7, @@ -574,7 +573,7 @@ static int __init rtc_from4_init(void) /* return the status of extra status and ECC checks */ this->errstat = rtc_from4_errstat; /* set the nand_oobinfo to support FPGA H/W error detection */ - this->autooob = &rtc_from4_nand_oobinfo; + this->ecc.layout = &rtc_from4_nand_oobinfo; this->ecc.hwctl = rtc_from4_enable_hwecc; this->ecc.calculate = rtc_from4_calculate_ecc; this->ecc.correct = rtc_from4_correct_data; diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index 215227d1a65c..8429793a6288 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -76,8 +76,7 @@ static int hardware_ecc = 0; /* new oob placement block for use with hardware ecc generation */ -static struct nand_oobinfo nand_hw_eccoob = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout nand_hw_eccoob = { .eccbytes = 3, .eccpos = {0, 1, 2}, .oobfree = {{8, 8}} @@ -502,7 +501,7 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info, chip->ecc.mode = NAND_ECC_HW; chip->ecc.size = 512; chip->ecc.bytes = 3; - chip->autooob = &nand_hw_eccoob; + chip->ecc.layout = &nand_hw_eccoob; if (info->is_s3c2440) { chip->ecc.hwctl = s3c2440_nand_enable_hwecc; diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c index 45a1da724bff..21743658d150 100644 --- a/drivers/mtd/nand/sharpsl.c +++ b/drivers/mtd/nand/sharpsl.c @@ -115,8 +115,7 @@ static struct nand_bbt_descr sharpsl_akita_bbt = { .pattern = scan_ff_pattern }; -static struct nand_oobinfo akita_oobinfo = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout akita_oobinfo = { .eccbytes = 24, .eccpos = { 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11, @@ -202,7 +201,7 @@ static int __init sharpsl_nand_init(void) this->badblock_pattern = &sharpsl_bbt; if (machine_is_akita() || machine_is_borzoi()) { this->badblock_pattern = &sharpsl_akita_bbt; - this->autooob = &akita_oobinfo; + this->ecc.layout = &akita_oobinfo; } this->ecc.hwctl = sharpsl_nand_enable_hwecc; this->ecc.calculate = sharpsl_nand_calculate_ecc; diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index b24bfa6e202c..a0d3f011c0f2 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -23,8 +23,7 @@ /** * onenand_oob_64 - oob info for large (2KB) page */ -static struct nand_oobinfo onenand_oob_64 = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout onenand_oob_64 = { .eccbytes = 20, .eccpos = { 8, 9, 10, 11, 12, @@ -41,8 +40,7 @@ static struct nand_oobinfo onenand_oob_64 = { /** * onenand_oob_32 - oob info for middle (1KB) page */ -static struct nand_oobinfo onenand_oob_32 = { - .useecc = MTD_NANDECC_AUTOPLACE, +static struct nand_ecclayout onenand_oob_32 = { .eccbytes = 10, .eccpos = { 8, 9, 10, 11, 12, @@ -1747,22 +1745,22 @@ int onenand_scan(struct mtd_info *mtd, int maxchips) switch (mtd->oobsize) { case 64: - this->autooob = &onenand_oob_64; + this->ecclayout = &onenand_oob_64; break; case 32: - this->autooob = &onenand_oob_32; + this->ecclayout = &onenand_oob_32; break; default: printk(KERN_WARNING "No OOB scheme defined for oobsize %d\n", mtd->oobsize); /* To prevent kernel oops */ - this->autooob = &onenand_oob_32; + this->ecclayout = &onenand_oob_32; break; } - mtd->oobinfo = this->autooob; + mtd->ecclayout = this->ecclayout; /* Fill in remaining MTD driver data */ mtd->type = MTD_NANDFLASH; |