diff options
Diffstat (limited to 'drivers/nand/diskonchip.c')
| -rw-r--r-- | drivers/nand/diskonchip.c | 198 |
1 files changed, 99 insertions, 99 deletions
diff --git a/drivers/nand/diskonchip.c b/drivers/nand/diskonchip.c index 02135c3..b421d4c 100644 --- a/drivers/nand/diskonchip.c +++ b/drivers/nand/diskonchip.c @@ -1,4 +1,4 @@ -/* +/* * drivers/mtd/nand/diskonchip.c * * (C) 2003 Red Hat, Inc. @@ -8,12 +8,12 @@ * Author: David Woodhouse <dwmw2@infradead.org> * Additional Diskonchip 2000 and Millennium support by Dan Brown <dan_brown@ieee.org> * Diskonchip Millennium Plus support by Kalev Lember <kalev@smartlink.ee> - * + * * Error correction code lifted from the old docecc code - * Author: Fabrice Bellard (fabrice.bellard@netgem.com) + * Author: Fabrice Bellard (fabrice.bellard@netgem.com) * Copyright (C) 2000 Netgem S.A. * converted to the generic Reed-Solomon library by Thomas Gleixner <tglx@linutronix.de> - * + * * Interface to generic NAND code for M-Systems DiskOnChip devices * * $Id: diskonchip.c,v 1.45 2005/01/05 18:05:14 dwmw2 Exp $ @@ -42,25 +42,25 @@ static unsigned long __initdata doc_locations[] = { #if defined (__alpha__) || defined(__i386__) || defined(__x86_64__) #ifdef CONFIG_MTD_DISKONCHIP_PROBE_HIGH - 0xfffc8000, 0xfffca000, 0xfffcc000, 0xfffce000, + 0xfffc8000, 0xfffca000, 0xfffcc000, 0xfffce000, 0xfffd0000, 0xfffd2000, 0xfffd4000, 0xfffd6000, - 0xfffd8000, 0xfffda000, 0xfffdc000, 0xfffde000, - 0xfffe0000, 0xfffe2000, 0xfffe4000, 0xfffe6000, + 0xfffd8000, 0xfffda000, 0xfffdc000, 0xfffde000, + 0xfffe0000, 0xfffe2000, 0xfffe4000, 0xfffe6000, 0xfffe8000, 0xfffea000, 0xfffec000, 0xfffee000, #else /* CONFIG_MTD_DOCPROBE_HIGH */ - 0xc8000, 0xca000, 0xcc000, 0xce000, + 0xc8000, 0xca000, 0xcc000, 0xce000, 0xd0000, 0xd2000, 0xd4000, 0xd6000, - 0xd8000, 0xda000, 0xdc000, 0xde000, - 0xe0000, 0xe2000, 0xe4000, 0xe6000, + 0xd8000, 0xda000, 0xdc000, 0xde000, + 0xe0000, 0xe2000, 0xe4000, 0xe6000, 0xe8000, 0xea000, 0xec000, 0xee000, #endif /* CONFIG_MTD_DOCPROBE_HIGH */ #elif defined(__PPC__) 0xe4000000, #elif defined(CONFIG_MOMENCO_OCELOT) 0x2f000000, - 0xff000000, + 0xff000000, #elif defined(CONFIG_MOMENCO_OCELOT_G) || defined (CONFIG_MOMENCO_OCELOT_C) - 0xff000000, + 0xff000000, ##else #warning Unknown architecture for DiskOnChip. No default probe locations defined #endif @@ -142,7 +142,7 @@ MODULE_PARM_DESC(doc_config_location, "Physical memory address at which to probe /* the Reed Solomon control structure */ static struct rs_control *rs_decoder; -/* +/* * The HW decoder in the DoC ASIC's provides us a error syndrome, * which we must convert to a standard syndrom usable by the generic * Reed-Solomon library code. @@ -167,8 +167,8 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc) /* Initialize the syndrom buffer */ for (i = 0; i < NROOTS; i++) s[i] = ds[0]; - /* - * Evaluate + /* + * Evaluate * s[i] = ds[3]x^3 + ds[2]x^2 + ds[1]x^1 + ds[0] * where x = alpha^(FCR + i) */ @@ -192,7 +192,7 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc) if (nerr < 0) return nerr; - /* + /* * Correct the errors. The bitpositions are a bit of magic, * but they are given by the design of the de/encoder circuit * in the DoC ASIC's. @@ -209,7 +209,7 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc) can be modified since pos is even */ index = (pos >> 3) ^ 1; bitpos = pos & 7; - if ((index >= 0 && index < SECTOR_SIZE) || + if ((index >= 0 && index < SECTOR_SIZE) || index == (SECTOR_SIZE + 1)) { val = (uint8_t) (errval[i] >> (2 + bitpos)); parity ^= val; @@ -220,7 +220,7 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc) bitpos = (bitpos + 10) & 7; if (bitpos == 0) bitpos = 8; - if ((index >= 0 && index < SECTOR_SIZE) || + if ((index >= 0 && index < SECTOR_SIZE) || index == (SECTOR_SIZE + 1)) { val = (uint8_t)(errval[i] << (8 - bitpos)); parity ^= val; @@ -237,7 +237,7 @@ static void DoC_Delay(struct doc_priv *doc, unsigned short cycles) { volatile char dummy; int i; - + for (i = 0; i < cycles; i++) { if (DoC_is_Millennium(doc)) dummy = ReadDOC(doc->virtadr, NOP); @@ -246,7 +246,7 @@ static void DoC_Delay(struct doc_priv *doc, unsigned short cycles) else dummy = ReadDOC(doc->virtadr, DOCStatus); } - + } #define CDSN_CTRL_FR_B_MASK (CDSN_CTRL_FR_B0 | CDSN_CTRL_FR_B1) @@ -254,7 +254,7 @@ static void DoC_Delay(struct doc_priv *doc, unsigned short cycles) /* DOC_WaitReady: Wait for RDY line to be asserted by the flash chip */ static int _DoC_WaitReady(struct doc_priv *doc) { - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; unsigned long timeo = jiffies + (HZ * 10); if(debug) printk("_DoC_WaitReady...\n"); @@ -284,7 +284,7 @@ static int _DoC_WaitReady(struct doc_priv *doc) static inline int DoC_WaitReady(struct doc_priv *doc) { - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int ret = 0; if (DoC_is_MillenniumPlus(doc)) { @@ -310,7 +310,7 @@ static void doc2000_write_byte(struct mtd_info *mtd, u_char datum) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; if(debug)printk("write_byte %02x\n", datum); WriteDOC(datum, docptr, CDSNSlowIO); @@ -321,7 +321,7 @@ static u_char doc2000_read_byte(struct mtd_info *mtd) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; u_char ret; ReadDOC(docptr, CDSNSlowIO); @@ -331,12 +331,12 @@ static u_char doc2000_read_byte(struct mtd_info *mtd) return ret; } -static void doc2000_writebuf(struct mtd_info *mtd, +static void doc2000_writebuf(struct mtd_info *mtd, const u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; if (debug)printk("writebuf of %d bytes: ", len); for (i=0; i < len; i++) { @@ -347,12 +347,12 @@ static void doc2000_writebuf(struct mtd_info *mtd, if (debug) printk("\n"); } -static void doc2000_readbuf(struct mtd_info *mtd, +static void doc2000_readbuf(struct mtd_info *mtd, u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; if (debug)printk("readbuf of %d bytes: ", len); @@ -362,12 +362,12 @@ static void doc2000_readbuf(struct mtd_info *mtd, } } -static void doc2000_readbuf_dword(struct mtd_info *mtd, +static void doc2000_readbuf_dword(struct mtd_info *mtd, u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; if (debug) printk("readbuf_dword of %d bytes: ", len); @@ -383,12 +383,12 @@ static void doc2000_readbuf_dword(struct mtd_info *mtd, } } -static int doc2000_verifybuf(struct mtd_info *mtd, +static int doc2000_verifybuf(struct mtd_info *mtd, const u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; for (i=0; i < len; i++) @@ -435,7 +435,7 @@ static uint16_t __init doc200x_ident_chip(struct mtd_info *mtd, int nr) this->read_buf = &doc2000_readbuf_dword; } } - + return ret; } @@ -466,7 +466,7 @@ static int doc200x_wait(struct mtd_info *mtd, struct nand_chip *this, int state) struct doc_priv *doc = this->priv; int status; - + DoC_WaitReady(doc); this->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1); DoC_WaitReady(doc); @@ -479,7 +479,7 @@ static void doc2001_write_byte(struct mtd_info *mtd, u_char datum) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; WriteDOC(datum, docptr, CDSNSlowIO); WriteDOC(datum, docptr, Mil_CDSN_IO); @@ -490,22 +490,22 @@ static u_char doc2001_read_byte(struct mtd_info *mtd) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; - //ReadDOC(docptr, CDSNSlowIO); + /*ReadDOC(docptr, CDSNSlowIO); */ /* 11.4.5 -- delay twice to allow extended length cycle */ DoC_Delay(doc, 2); ReadDOC(docptr, ReadPipeInit); - //return ReadDOC(docptr, Mil_CDSN_IO); + /*return ReadDOC(docptr, Mil_CDSN_IO); */ return ReadDOC(docptr, LastDataRead); } -static void doc2001_writebuf(struct mtd_info *mtd, +static void doc2001_writebuf(struct mtd_info *mtd, const u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; for (i=0; i < len; i++) @@ -514,12 +514,12 @@ static void doc2001_writebuf(struct mtd_info *mtd, WriteDOC(0x00, docptr, WritePipeTerm); } -static void doc2001_readbuf(struct mtd_info *mtd, +static void doc2001_readbuf(struct mtd_info *mtd, u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; /* Start read pipeline */ @@ -532,12 +532,12 @@ static void doc2001_readbuf(struct mtd_info *mtd, buf[i] = ReadDOC(docptr, LastDataRead); } -static int doc2001_verifybuf(struct mtd_info *mtd, +static int doc2001_verifybuf(struct mtd_info *mtd, const u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; /* Start read pipeline */ @@ -557,22 +557,22 @@ static u_char doc2001plus_read_byte(struct mtd_info *mtd) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; u_char ret; - ReadDOC(docptr, Mplus_ReadPipeInit); - ReadDOC(docptr, Mplus_ReadPipeInit); - ret = ReadDOC(docptr, Mplus_LastDataRead); + ReadDOC(docptr, Mplus_ReadPipeInit); + ReadDOC(docptr, Mplus_ReadPipeInit); + ret = ReadDOC(docptr, Mplus_LastDataRead); if (debug) printk("read_byte returns %02x\n", ret); return ret; } -static void doc2001plus_writebuf(struct mtd_info *mtd, +static void doc2001plus_writebuf(struct mtd_info *mtd, const u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; if (debug)printk("writebuf of %d bytes: ", len); @@ -584,12 +584,12 @@ static void doc2001plus_writebuf(struct mtd_info *mtd, if (debug) printk("\n"); } -static void doc2001plus_readbuf(struct mtd_info *mtd, +static void doc2001plus_readbuf(struct mtd_info *mtd, u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; if (debug)printk("readbuf of %d bytes: ", len); @@ -614,12 +614,12 @@ static void doc2001plus_readbuf(struct mtd_info *mtd, if (debug) printk("\n"); } -static int doc2001plus_verifybuf(struct mtd_info *mtd, +static int doc2001plus_verifybuf(struct mtd_info *mtd, const u_char *buf, int len) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; if (debug)printk("verifybuf of %d bytes: ", len); @@ -645,7 +645,7 @@ static void doc2001plus_select_chip(struct mtd_info *mtd, int chip) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int floor = 0; if(debug)printk("select chip (%d)\n", chip); @@ -671,7 +671,7 @@ static void doc200x_select_chip(struct mtd_info *mtd, int chip) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int floor = 0; if(debug)printk("select chip (%d)\n", chip); @@ -698,7 +698,7 @@ static void doc200x_hwcontrol(struct mtd_info *mtd, int cmd) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; switch(cmd) { case NAND_CTL_SETNCE: @@ -736,7 +736,7 @@ static void doc2001plus_command (struct mtd_info *mtd, unsigned command, int col { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; /* * Must terminate write pipeline before sending any commands @@ -794,7 +794,7 @@ static void doc2001plus_command (struct mtd_info *mtd, unsigned command, int col WriteDOC(0, docptr, Mplus_FlashControl); } - /* + /* * program and erase have their own busy handlers * status and sequential in needs no delay */ @@ -819,7 +819,7 @@ static void doc2001plus_command (struct mtd_info *mtd, unsigned command, int col /* This applies to read commands */ default: - /* + /* * If we don't have access to the busy pin, we apply the given * command delay */ @@ -840,7 +840,7 @@ static int doc200x_dev_ready(struct mtd_info *mtd) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; if (DoC_is_MillenniumPlus(doc)) { /* 11.4.2 -- must NOP four times before checking FR/B# */ @@ -878,7 +878,7 @@ static void doc200x_enable_hwecc(struct mtd_info *mtd, int mode) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; /* Prime the ECC engine */ switch(mode) { @@ -897,7 +897,7 @@ static void doc2001plus_enable_hwecc(struct mtd_info *mtd, int mode) { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; /* Prime the ECC engine */ switch(mode) { @@ -918,7 +918,7 @@ static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat, { struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; int i; int emptymatch = 1; @@ -942,7 +942,7 @@ static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat, for (i = 0; i < 6; i++) { if (DoC_is_MillenniumPlus(doc)) ecc_code[i] = ReadDOC_(docptr, DoC_Mplus_ECCSyndrome0 + i); - else + else ecc_code[i] = ReadDOC_(docptr, DoC_ECCSyndrome0 + i); if (ecc_code[i] != empty_write_ecc[i]) emptymatch = 0; @@ -976,10 +976,10 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ int i, ret = 0; struct nand_chip *this = mtd->priv; struct doc_priv *doc = this->priv; - void __iomem *docptr = doc->virtadr; + void __iomem *docptr = doc->virtadr; volatile u_char dummy; int emptymatch = 1; - + /* flush the pipeline */ if (DoC_is_2000(doc)) { dummy = ReadDOC(docptr, 2k_ECCStatus); @@ -994,7 +994,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ dummy = ReadDOC(docptr, ECCConf); dummy = ReadDOC(docptr, ECCConf); } - + /* Error occured ? */ if (dummy & 0x80) { for (i = 0; i < 6; i++) { @@ -1032,7 +1032,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ if (!emptymatch) ret = doc_ecc_decode (rs_decoder, dat, calc_ecc); if (ret > 0) printk(KERN_ERR "doc200x_correct_data corrected %d errors\n", ret); - } + } if (DoC_is_MillenniumPlus(doc)) WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf); else @@ -1043,16 +1043,16 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ } return ret; } - -//u_char mydatabuf[528]; + +/*u_char mydatabuf[528]; */ static struct nand_oobinfo doc200x_oobinfo = { - .useecc = MTD_NANDECC_AUTOPLACE, - .eccbytes = 6, - .eccpos = {0, 1, 2, 3, 4, 5}, - .oobfree = { {8, 8} } + .useecc = MTD_NANDECC_AUTOPLACE, + .eccbytes = 6, + .eccpos = {0, 1, 2, 3, 4, 5}, + .oobfree = { {8, 8} } }; - + /* Find the (I)NFTL Media Header, and optionally also the mirror media header. On sucessful return, buf will contain a copy of the media header for further processing. id is the string to scan for, and will presumably be @@ -1068,7 +1068,7 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, int ret; size_t retlen; - end = min(end, mtd->size); // paranoia + end = min(end, mtd->size); /* paranoia */ for (offs = 0; offs < end; offs += mtd->erasesize) { ret = mtd->read(mtd, offs, mtd->oobblock, &retlen, buf); if (retlen != mtd->oobblock) continue; @@ -1122,8 +1122,8 @@ static inline int __init nftl_partscan(struct mtd_info *mtd, if (!(numheaders=find_media_headers(mtd, buf, "ANAND", 1))) goto out; mh = (struct NFTLMediaHeader *) buf; -//#ifdef CONFIG_MTD_DEBUG_VERBOSE -// if (CONFIG_MTD_DEBUG_VERBOSE >= 2) +/*#ifdef CONFIG_MTD_DEBUG_VERBOSE */ +/* if (CONFIG_MTD_DEBUG_VERBOSE >= 2) */ printk(KERN_INFO " DataOrgID = %s\n" " NumEraseUnits = %d\n" " FirstPhysicalEUN = %d\n" @@ -1132,7 +1132,7 @@ static inline int __init nftl_partscan(struct mtd_info *mtd, mh->DataOrgID, mh->NumEraseUnits, mh->FirstPhysicalEUN, mh->FormattedSize, mh->UnitSizeFactor); -//#endif +/*#endif */ blocks = mtd->size >> this->phys_erase_shift; maxblocks = min(32768U, mtd->erasesize - psize); @@ -1175,9 +1175,9 @@ static inline int __init nftl_partscan(struct mtd_info *mtd, offs <<= this->page_shift; offs += mtd->erasesize; - //parts[0].name = " DiskOnChip Boot / Media Header partition"; - //parts[0].offset = 0; - //parts[0].size = offs; + /*parts[0].name = " DiskOnChip Boot / Media Header partition"; */ + /*parts[0].offset = 0; */ + /*parts[0].size = offs; */ parts[0].name = " DiskOnChip BDTL partition"; parts[0].offset = offs; @@ -1232,9 +1232,9 @@ static inline int __init inftl_partscan(struct mtd_info *mtd, mh->BlockMultiplierBits = le32_to_cpu(mh->BlockMultiplierBits); mh->FormatFlags = le32_to_cpu(mh->FormatFlags); mh->PercentUsed = le32_to_cpu(mh->PercentUsed); - -//#ifdef CONFIG_MTD_DEBUG_VERBOSE -// if (CONFIG_MTD_DEBUG_VERBOSE >= 2) + +/*#ifdef CONFIG_MTD_DEBUG_VERBOSE */ +/* if (CONFIG_MTD_DEBUG_VERBOSE >= 2) */ printk(KERN_INFO " bootRecordID = %s\n" " NoOfBootImageBlocks = %d\n" " NoOfBinaryPartitions = %d\n" @@ -1252,7 +1252,7 @@ static inline int __init inftl_partscan(struct mtd_info *mtd, ((unsigned char *) &mh->OsakVersion)[2] & 0xf, ((unsigned char *) &mh->OsakVersion)[3] & 0xf, mh->PercentUsed); -//#endif +/*#endif */ vshift = this->phys_erase_shift + mh->BlockMultiplierBits; @@ -1278,8 +1278,8 @@ static inline int __init inftl_partscan(struct mtd_info *mtd, ip->spareUnits = le32_to_cpu(ip->spareUnits); ip->Reserved0 = le32_to_cpu(ip->Reserved0); -//#ifdef CONFIG_MTD_DEBUG_VERBOSE -// if (CONFIG_MTD_DEBUG_VERBOSE >= 2) +/*#ifdef CONFIG_MTD_DEBUG_VERBOSE */ +/* if (CONFIG_MTD_DEBUG_VERBOSE >= 2) */ printk(KERN_INFO " PARTITION[%d] ->\n" " virtualUnits = %d\n" " firstUnit = %d\n" @@ -1289,7 +1289,7 @@ static inline int __init inftl_partscan(struct mtd_info *mtd, i, ip->virtualUnits, ip->firstUnit, ip->lastUnit, ip->flags, ip->spareUnits); -//#endif +/*#endif */ /* if ((i == 0) && (ip->firstUnit > 0)) { @@ -1456,7 +1456,7 @@ static inline int __init doc2001_init(struct mtd_info *mtd) ReadDOC(doc->virtadr, ChipID); if (ReadDOC(doc->virtadr, ChipID) != DOC_ChipID_DocMil) { /* It's not a Millennium; it's one of the newer - DiskOnChip 2000 units with a similar ASIC. + DiskOnChip 2000 units with a similar ASIC. Treat it like a Millennium, except that it can have multiple chips. */ doc2000_count_chips(mtd); @@ -1518,20 +1518,20 @@ static inline int __init doc_probe(unsigned long physadr) * to the DOCControl register. So we store the current contents * of the DOCControl register's location, in case we later decide * that it's not a DiskOnChip, and want to put it back how we - * found it. + * found it. */ save_control = ReadDOC(virtadr, DOCControl); /* Reset the DiskOnChip ASIC */ - WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, + WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, virtadr, DOCControl); - WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, + WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, virtadr, DOCControl); /* Enable the DiskOnChip ASIC */ - WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, + WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, virtadr, DOCControl); - WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, + WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, virtadr, DOCControl); ChipID = ReadDOC(virtadr, ChipID); @@ -1614,11 +1614,11 @@ static inline int __init doc_probe(unsigned long physadr) if (ChipID == DOC_ChipID_DocMilPlus16) { WriteDOC(~newval, virtadr, Mplus_AliasResolution); oldval = ReadDOC(doc->virtadr, Mplus_AliasResolution); - WriteDOC(newval, virtadr, Mplus_AliasResolution); // restore it + WriteDOC(newval, virtadr, Mplus_AliasResolution); /* restore it */ } else { WriteDOC(~newval, virtadr, AliasResolution); oldval = ReadDOC(doc->virtadr, AliasResolution); - WriteDOC(newval, virtadr, AliasResolution); // restore it + WriteDOC(newval, virtadr, AliasResolution); /* restore it */ } newval = ~newval; if (oldval == newval) { @@ -1726,7 +1726,7 @@ static int __init init_nanddoc(void) int i, ret = 0; /* We could create the decoder on demand, if memory is a concern. - * This way we have it handy, if an error happens + * This way we have it handy, if an error happens * * Symbolsize is 10 (bits) * Primitve polynomial is x^10+x^3+1 |