diff options
Diffstat (limited to 'drivers/mtd/nand')
40 files changed, 179 insertions, 240 deletions
diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c index acf7971e815d..eb48c939c4ae 100644 --- a/drivers/mtd/nand/raw/ams-delta.c +++ b/drivers/mtd/nand/raw/ams-delta.c @@ -75,10 +75,9 @@ static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte) gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NWE, 1); } -static u_char ams_delta_read_byte(struct mtd_info *mtd) +static u_char ams_delta_read_byte(struct nand_chip *this) { u_char res; - struct nand_chip *this = mtd_to_nand(mtd); void __iomem *io_base = (void __iomem *)nand_get_controller_data(this); gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NRE, 0); @@ -99,12 +98,12 @@ static void ams_delta_write_buf(struct mtd_info *mtd, const u_char *buf, ams_delta_write_byte(mtd, buf[i]); } -static void ams_delta_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void ams_delta_read_buf(struct nand_chip *this, u_char *buf, int len) { int i; for (i=0; i<len; i++) - buf[i] = ams_delta_read_byte(mtd); + buf[i] = ams_delta_read_byte(this); } /* diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index 3ebe9b727315..371223e19dcc 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -410,9 +410,8 @@ err: return -EIO; } -static u8 atmel_nand_read_byte(struct mtd_info *mtd) +static u8 atmel_nand_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct atmel_nand *nand = to_atmel_nand(chip); return ioread8(nand->activecs->io.virt); @@ -429,9 +428,8 @@ static void atmel_nand_write_byte(struct mtd_info *mtd, u8 byte) iowrite8(byte, nand->activecs->io.virt); } -static void atmel_nand_read_buf(struct mtd_info *mtd, u8 *buf, int len) +static void atmel_nand_read_buf(struct nand_chip *chip, u8 *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct atmel_nand *nand = to_atmel_nand(chip); struct atmel_nand_controller *nc; @@ -883,8 +881,8 @@ static int atmel_nand_pmecc_read_pg(struct nand_chip *chip, u8 *buf, if (ret) return ret; - atmel_nand_read_buf(mtd, buf, mtd->writesize); - atmel_nand_read_buf(mtd, chip->oob_poi, mtd->oobsize); + atmel_nand_read_buf(chip, buf, mtd->writesize); + atmel_nand_read_buf(chip, chip->oob_poi, mtd->oobsize); ret = atmel_nand_pmecc_correct_data(chip, buf, raw); diff --git a/drivers/mtd/nand/raw/au1550nd.c b/drivers/mtd/nand/raw/au1550nd.c index d277a141c7d3..76ea4141eb10 100644 --- a/drivers/mtd/nand/raw/au1550nd.c +++ b/drivers/mtd/nand/raw/au1550nd.c @@ -29,13 +29,12 @@ struct au1550nd_ctx { /** * au_read_byte - read one byte from the chip - * @mtd: MTD device structure + * @this: NAND chip object * * read function for 8bit buswidth */ -static u_char au_read_byte(struct mtd_info *mtd) +static u_char au_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); u_char ret = readb(this->IO_ADDR_R); wmb(); /* drain writebuffer */ return ret; @@ -57,13 +56,12 @@ static void au_write_byte(struct mtd_info *mtd, u_char byte) /** * au_read_byte16 - read one byte endianness aware from the chip - * @mtd: MTD device structure + * @this: NAND chip object * * read function for 16bit buswidth with endianness conversion */ -static u_char au_read_byte16(struct mtd_info *mtd) +static u_char au_read_byte16(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); u_char ret = (u_char) cpu_to_le16(readw(this->IO_ADDR_R)); wmb(); /* drain writebuffer */ return ret; @@ -104,16 +102,15 @@ static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len) /** * au_read_buf - read chip data into buffer - * @mtd: MTD device structure + * @this: NAND chip object * @buf: buffer to store date * @len: number of bytes to read * * read function for 8bit buswidth */ -static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void au_read_buf(struct nand_chip *this, u_char *buf, int len) { int i; - struct nand_chip *this = mtd_to_nand(mtd); for (i = 0; i < len; i++) { buf[i] = readb(this->IO_ADDR_R); diff --git a/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c index 7022ffd271ad..cf3e45358c60 100644 --- a/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c +++ b/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c @@ -310,9 +310,9 @@ static void bcm47xxnflash_ops_bcm4706_cmdfunc(struct mtd_info *mtd, b47n->curr_command = command; } -static u8 bcm47xxnflash_ops_bcm4706_read_byte(struct mtd_info *mtd) +static u8 bcm47xxnflash_ops_bcm4706_read_byte(struct nand_chip *nand_chip) { - struct nand_chip *nand_chip = mtd_to_nand(mtd); + struct mtd_info *mtd = nand_to_mtd(nand_chip); struct bcm47xxnflash *b47n = nand_get_controller_data(nand_chip); struct bcma_drv_cc *cc = b47n->cc; u32 tmp = 0; @@ -338,16 +338,16 @@ static u8 bcm47xxnflash_ops_bcm4706_read_byte(struct mtd_info *mtd) return 0; } -static void bcm47xxnflash_ops_bcm4706_read_buf(struct mtd_info *mtd, +static void bcm47xxnflash_ops_bcm4706_read_buf(struct nand_chip *nand_chip, uint8_t *buf, int len) { - struct nand_chip *nand_chip = mtd_to_nand(mtd); struct bcm47xxnflash *b47n = nand_get_controller_data(nand_chip); switch (b47n->curr_command) { case NAND_CMD_READ0: case NAND_CMD_READOOB: - bcm47xxnflash_ops_bcm4706_read(mtd, buf, len); + bcm47xxnflash_ops_bcm4706_read(nand_to_mtd(nand_chip), buf, + len); return; } diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index d8fb2b5c19c9..7cbc6045f16d 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -1417,9 +1417,8 @@ static void brcmnand_cmdfunc(struct mtd_info *mtd, unsigned command, brcmnand_wp(mtd, 1); } -static uint8_t brcmnand_read_byte(struct mtd_info *mtd) +static uint8_t brcmnand_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct brcmnand_host *host = nand_get_controller_data(chip); struct brcmnand_controller *ctrl = host->ctrl; uint8_t ret = 0; @@ -1474,12 +1473,12 @@ static uint8_t brcmnand_read_byte(struct mtd_info *mtd) return ret; } -static void brcmnand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void brcmnand_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { int i; for (i = 0; i < len; i++, buf++) - *buf = brcmnand_read_byte(mtd); + *buf = brcmnand_read_byte(chip); } static void brcmnand_write_buf(struct mtd_info *mtd, const uint8_t *buf, diff --git a/drivers/mtd/nand/raw/cafe_nand.c b/drivers/mtd/nand/raw/cafe_nand.c index fe7c7db3cfe7..97d835f88b86 100644 --- a/drivers/mtd/nand/raw/cafe_nand.c +++ b/drivers/mtd/nand/raw/cafe_nand.c @@ -133,9 +133,8 @@ static void cafe_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) len, cafe->datalen); } -static void cafe_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void cafe_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct cafe_priv *cafe = nand_get_controller_data(chip); if (cafe->usedma) @@ -148,13 +147,12 @@ static void cafe_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) cafe->datalen += len; } -static uint8_t cafe_read_byte(struct mtd_info *mtd) +static uint8_t cafe_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct cafe_priv *cafe = nand_get_controller_data(chip); uint8_t d; - cafe_read_buf(mtd, &d, 1); + cafe_read_buf(chip, &d, 1); cafe_dev_dbg(&cafe->pdev->dev, "Read %02x\n", d); return d; @@ -383,7 +381,7 @@ static int cafe_nand_read_page(struct nand_chip *chip, uint8_t *buf, cafe_readl(cafe, NAND_ECC_SYN01)); nand_read_page_op(chip, page, 0, buf, mtd->writesize); - chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->read_buf(chip, chip->oob_poi, mtd->oobsize); if (checkecc && cafe_readl(cafe, NAND_ECC_RESULT) & (1<<18)) { unsigned short syn[8], pat[4]; diff --git a/drivers/mtd/nand/raw/cmx270_nand.c b/drivers/mtd/nand/raw/cmx270_nand.c index 2eb933a8f99e..232d32391b1f 100644 --- a/drivers/mtd/nand/raw/cmx270_nand.c +++ b/drivers/mtd/nand/raw/cmx270_nand.c @@ -49,10 +49,8 @@ static const struct mtd_partition partition_info[] = { }; #define NUM_PARTITIONS (ARRAY_SIZE(partition_info)) -static u_char cmx270_read_byte(struct mtd_info *mtd) +static u_char cmx270_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); - return (readl(this->IO_ADDR_R) >> 16); } @@ -65,10 +63,9 @@ static void cmx270_write_buf(struct mtd_info *mtd, const u_char *buf, int len) writel((*buf++ << 16), this->IO_ADDR_W); } -static void cmx270_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void cmx270_read_buf(struct nand_chip *this, u_char *buf, int len) { int i; - struct nand_chip *this = mtd_to_nand(mtd); for (i=0; i<len; i++) *buf++ = readl(this->IO_ADDR_R) >> 16; diff --git a/drivers/mtd/nand/raw/cs553x_nand.c b/drivers/mtd/nand/raw/cs553x_nand.c index 193c3e8fa118..4394eeebec7f 100644 --- a/drivers/mtd/nand/raw/cs553x_nand.c +++ b/drivers/mtd/nand/raw/cs553x_nand.c @@ -93,10 +93,8 @@ #define CS_NAND_ECC_CLRECC (1<<1) #define CS_NAND_ECC_ENECC (1<<0) -static void cs553x_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void cs553x_read_buf(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); - while (unlikely(len > 0x800)) { memcpy_fromio(buf, this->IO_ADDR_R, 0x800); buf += 0x800; @@ -117,9 +115,8 @@ static void cs553x_write_buf(struct mtd_info *mtd, const u_char *buf, int len) memcpy_toio(this->IO_ADDR_R, buf, len); } -static unsigned char cs553x_read_byte(struct mtd_info *mtd) +static unsigned char cs553x_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); return readb(this->IO_ADDR_R); } diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c index c80b6c6da4aa..b879049e51c6 100644 --- a/drivers/mtd/nand/raw/davinci_nand.c +++ b/drivers/mtd/nand/raw/davinci_nand.c @@ -435,10 +435,9 @@ correct: * the two LSBs for NAND access ... so we can issue 32-bit reads/writes * and have that transparently morphed into multiple NAND operations. */ -static void nand_davinci_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void nand_davinci_read_buf(struct nand_chip *chip, uint8_t *buf, + int len) { - struct nand_chip *chip = mtd_to_nand(mtd); - if ((0x03 & ((uintptr_t)buf)) == 0 && (0x03 & len) == 0) ioread32_rep(chip->IO_ADDR_R, buf, len >> 2); else if ((0x01 & ((uintptr_t)buf)) == 0 && (0x01 & len) == 0) diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index 52fe5115ed6e..6e5be3efcb5d 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -215,8 +215,9 @@ static uint32_t denali_check_irq(struct denali_nand_info *denali) return irq_status; } -static void denali_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void denali_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { + struct mtd_info *mtd = nand_to_mtd(chip); struct denali_nand_info *denali = mtd_to_denali(mtd); u32 addr = DENALI_MAP11_DATA | DENALI_BANK(denali); int i; @@ -235,9 +236,9 @@ static void denali_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) denali->host_write(denali, addr, buf[i]); } -static void denali_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len) +static void denali_read_buf16(struct nand_chip *chip, uint8_t *buf, int len) { - struct denali_nand_info *denali = mtd_to_denali(mtd); + struct denali_nand_info *denali = mtd_to_denali(nand_to_mtd(chip)); u32 addr = DENALI_MAP11_DATA | DENALI_BANK(denali); uint16_t *buf16 = (uint16_t *)buf; int i; @@ -258,11 +259,11 @@ static void denali_write_buf16(struct mtd_info *mtd, const uint8_t *buf, denali->host_write(denali, addr, buf16[i]); } -static uint8_t denali_read_byte(struct mtd_info *mtd) +static uint8_t denali_read_byte(struct nand_chip *chip) { uint8_t byte; - denali_read_buf(mtd, &byte, 1); + denali_read_buf(chip, &byte, 1); return byte; } diff --git a/drivers/mtd/nand/raw/diskonchip.c b/drivers/mtd/nand/raw/diskonchip.c index 142d21be874e..de1059069e8f 100644 --- a/drivers/mtd/nand/raw/diskonchip.c +++ b/drivers/mtd/nand/raw/diskonchip.c @@ -302,9 +302,8 @@ static void doc2000_write_byte(struct mtd_info *mtd, u_char datum) WriteDOC(datum, docptr, 2k_CDSN_IO); } -static u_char doc2000_read_byte(struct mtd_info *mtd) +static u_char doc2000_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; u_char ret; @@ -334,9 +333,8 @@ static void doc2000_writebuf(struct mtd_info *mtd, const u_char *buf, int len) printk("\n"); } -static void doc2000_readbuf(struct mtd_info *mtd, u_char *buf, int len) +static void doc2000_readbuf(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; int i; @@ -344,14 +342,12 @@ static void doc2000_readbuf(struct mtd_info *mtd, u_char *buf, int len) if (debug) printk("readbuf of %d bytes: ", len); - for (i = 0; i < len; i++) { + for (i = 0; i < len; i++) buf[i] = ReadDOC(docptr, 2k_CDSN_IO + i); - } } -static void doc2000_readbuf_dword(struct mtd_info *mtd, u_char *buf, int len) +static void doc2000_readbuf_dword(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; int i; @@ -387,8 +383,8 @@ static uint16_t __init doc200x_ident_chip(struct mtd_info *mtd, int nr) */ udelay(50); - ret = this->read_byte(mtd) << 8; - ret |= this->read_byte(mtd); + ret = this->read_byte(this) << 8; + ret |= this->read_byte(this); if (doc->ChipID == DOC_ChipID_Doc2k && try_dword && !nr) { /* First chip probe. See if we get same results by 32-bit access */ @@ -447,7 +443,7 @@ static int doc200x_wait(struct mtd_info *mtd, struct nand_chip *this) DoC_WaitReady(doc); nand_status_op(this, NULL); DoC_WaitReady(doc); - status = (int)this->read_byte(mtd); + status = (int)this->read_byte(this); return status; } @@ -463,9 +459,8 @@ static void doc2001_write_byte(struct mtd_info *mtd, u_char datum) WriteDOC(datum, docptr, WritePipeTerm); } -static u_char doc2001_read_byte(struct mtd_info *mtd) +static u_char doc2001_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; @@ -490,9 +485,8 @@ static void doc2001_writebuf(struct mtd_info *mtd, const u_char *buf, int len) WriteDOC(0x00, docptr, WritePipeTerm); } -static void doc2001_readbuf(struct mtd_info *mtd, u_char *buf, int len) +static void doc2001_readbuf(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; int i; @@ -507,9 +501,8 @@ static void doc2001_readbuf(struct mtd_info *mtd, u_char *buf, int len) buf[i] = ReadDOC(docptr, LastDataRead); } -static u_char doc2001plus_read_byte(struct mtd_info *mtd) +static u_char doc2001plus_read_byte(struct nand_chip *this) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; u_char ret; @@ -540,9 +533,8 @@ static void doc2001plus_writebuf(struct mtd_info *mtd, const u_char *buf, int le printk("\n"); } -static void doc2001plus_readbuf(struct mtd_info *mtd, u_char *buf, int len) +static void doc2001plus_readbuf(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); struct doc_priv *doc = nand_get_controller_data(this); void __iomem *docptr = doc->virtadr; int i; @@ -735,7 +727,7 @@ static void doc2001plus_command(struct mtd_info *mtd, unsigned command, int colu WriteDOC(NAND_CMD_STATUS, docptr, Mplus_FlashCmd); WriteDOC(0, docptr, Mplus_WritePipeTerm); WriteDOC(0, docptr, Mplus_WritePipeTerm); - while (!(this->read_byte(mtd) & 0x40)) ; + while (!(this->read_byte(this) & 0x40)) ; return; /* This applies to read commands */ diff --git a/drivers/mtd/nand/raw/docg4.c b/drivers/mtd/nand/raw/docg4.c index 37935fd04020..284bc96dacd3 100644 --- a/drivers/mtd/nand/raw/docg4.c +++ b/drivers/mtd/nand/raw/docg4.c @@ -261,10 +261,9 @@ static inline void write_nop(void __iomem *docptr) writew(0, docptr + DOC_NOP); } -static void docg4_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void docg4_read_buf(struct nand_chip *nand, uint8_t *buf, int len) { int i; - struct nand_chip *nand = mtd_to_nand(mtd); uint16_t *p = (uint16_t *) buf; len >>= 1; @@ -484,9 +483,8 @@ static int correct_data(struct mtd_info *mtd, uint8_t *buf, int page) return numerrs; } -static uint8_t docg4_read_byte(struct mtd_info *mtd) +static uint8_t docg4_read_byte(struct nand_chip *nand) { - struct nand_chip *nand = mtd_to_nand(mtd); struct docg4_priv *doc = nand_get_controller_data(nand); dev_dbg(doc->dev, "%s\n", __func__); @@ -809,11 +807,11 @@ static int read_page(struct mtd_info *mtd, struct nand_chip *nand, dev_dbg(doc->dev, "%s: status = 0x%x\n", __func__, status); - docg4_read_buf(mtd, buf, DOCG4_PAGE_SIZE); /* read the page data */ + docg4_read_buf(nand, buf, DOCG4_PAGE_SIZE); /* read the page data */ /* this device always reads oob after page data */ /* first 14 oob bytes read from I/O reg */ - docg4_read_buf(mtd, nand->oob_poi, 14); + docg4_read_buf(nand, nand->oob_poi, 14); /* last 2 read from another reg */ buf16 = (uint16_t *)(nand->oob_poi + 14); @@ -859,7 +857,6 @@ static int docg4_read_page(struct nand_chip *nand, uint8_t *buf, static int docg4_read_oob(struct nand_chip *nand, int page) { - struct mtd_info *mtd = nand_to_mtd(nand); struct docg4_priv *doc = nand_get_controller_data(nand); void __iomem *docptr = doc->virtadr; uint16_t status; @@ -885,7 +882,7 @@ static int docg4_read_oob(struct nand_chip *nand, int page) dev_dbg(doc->dev, "%s: status = 0x%x\n", __func__, status); - docg4_read_buf(mtd, nand->oob_poi, 16); + docg4_read_buf(nand, nand->oob_poi, 16); write_nop(docptr); write_nop(docptr); diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c index c992d7ad39d9..22326bcb8b62 100644 --- a/drivers/mtd/nand/raw/fsl_elbc_nand.c +++ b/drivers/mtd/nand/raw/fsl_elbc_nand.c @@ -581,9 +581,8 @@ static void fsl_elbc_write_buf(struct mtd_info *mtd, const u8 *buf, int len) * read a byte from either the FCM hardware buffer if it has any data left * otherwise issue a command to read a single byte. */ -static u8 fsl_elbc_read_byte(struct mtd_info *mtd) +static u8 fsl_elbc_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; @@ -598,9 +597,8 @@ static u8 fsl_elbc_read_byte(struct mtd_info *mtd) /* * Read from the FCM Controller Data Buffer */ -static void fsl_elbc_read_buf(struct mtd_info *mtd, u8 *buf, int len) +static void fsl_elbc_read_buf(struct nand_chip *chip, u8 *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct fsl_elbc_mtd *priv = nand_get_controller_data(chip); struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; int avail; @@ -720,7 +718,7 @@ static int fsl_elbc_read_page(struct nand_chip *chip, uint8_t *buf, nand_read_page_op(chip, page, 0, buf, mtd->writesize); if (oob_required) - fsl_elbc_read_buf(mtd, chip->oob_poi, mtd->oobsize); + fsl_elbc_read_buf(chip, chip->oob_poi, mtd->oobsize); if (fsl_elbc_wait(mtd, chip) & NAND_STATUS_FAIL) mtd->ecc_stats.failed++; diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c index 945f3dab7ebf..7b6d0913a5bb 100644 --- a/drivers/mtd/nand/raw/fsl_ifc_nand.c +++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c @@ -545,9 +545,8 @@ static void fsl_ifc_write_buf(struct mtd_info *mtd, const u8 *buf, int len) * Read a byte from either the IFC hardware buffer * read function for 8-bit buswidth */ -static uint8_t fsl_ifc_read_byte(struct mtd_info *mtd) +static uint8_t fsl_ifc_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct fsl_ifc_mtd *priv = nand_get_controller_data(chip); unsigned int offset; @@ -568,9 +567,8 @@ static uint8_t fsl_ifc_read_byte(struct mtd_info *mtd) * Read two bytes from the IFC hardware buffer * read function for 16-bit buswith */ -static uint8_t fsl_ifc_read_byte16(struct mtd_info *mtd) +static uint8_t fsl_ifc_read_byte16(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct fsl_ifc_mtd *priv = nand_get_controller_data(chip); uint16_t data; @@ -591,9 +589,8 @@ static uint8_t fsl_ifc_read_byte16(struct mtd_info *mtd) /* * Read from the IFC Controller Data Buffer */ -static void fsl_ifc_read_buf(struct mtd_info *mtd, u8 *buf, int len) +static void fsl_ifc_read_buf(struct nand_chip *chip, u8 *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct fsl_ifc_mtd *priv = nand_get_controller_data(chip); int avail; @@ -689,11 +686,11 @@ static int fsl_ifc_read_page(struct nand_chip *chip, uint8_t *buf, nand_read_page_op(chip, page, 0, buf, mtd->writesize); if (oob_required) - fsl_ifc_read_buf(mtd, chip->oob_poi, mtd->oobsize); + fsl_ifc_read_buf(chip, chip->oob_poi, mtd->oobsize); if (ctrl->nand_stat & IFC_NAND_EVTER_STAT_ECCER) { if (!oob_required) - fsl_ifc_read_buf(mtd, chip->oob_poi, mtd->oobsize); + fsl_ifc_read_buf(chip, chip->oob_poi, mtd->oobsize); return check_erased_page(chip, buf); } diff --git a/drivers/mtd/nand/raw/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c index ffddfc9721ac..340547f1b6c7 100644 --- a/drivers/mtd/nand/raw/fsl_upm.c +++ b/drivers/mtd/nand/raw/fsl_upm.c @@ -124,16 +124,16 @@ static void fun_select_chip(struct mtd_info *mtd, int mchip_nr) } } -static uint8_t fun_read_byte(struct mtd_info *mtd) +static uint8_t fun_read_byte(struct nand_chip *chip) { - struct fsl_upm_nand *fun = to_fsl_upm_nand(mtd); + struct fsl_upm_nand *fun = to_fsl_upm_nand(nand_to_mtd(chip)); return in_8(fun->chip.IO_ADDR_R); } -static void fun_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void fun_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct fsl_upm_nand *fun = to_fsl_upm_nand(mtd); + struct fsl_upm_nand *fun = to_fsl_upm_nand(nand_to_mtd(chip)); int i; for (i = 0; i < len; i++) diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index 09f33f6006a3..d0d5caa1b7a6 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -859,9 +859,8 @@ static void gpmi_select_chip(struct mtd_info *mtd, int chipnr) this->current_chip = chipnr; } -static void gpmi_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void gpmi_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct gpmi_nand_data *this = nand_get_controller_data(chip); dev_dbg(this->dev, "len is %d\n", len); @@ -879,13 +878,12 @@ static void gpmi_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) gpmi_send_data(this, buf, len); } -static uint8_t gpmi_read_byte(struct mtd_info *mtd) +static uint8_t gpmi_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct gpmi_nand_data *this = nand_get_controller_data(chip); uint8_t *buf = this->data_buffer_dma; - gpmi_read_buf(mtd, buf, 1); + gpmi_read_buf(chip, buf, 1); return buf[0]; } @@ -1336,7 +1334,7 @@ static int gpmi_ecc_read_oob(struct nand_chip *chip, int page) /* Read out the conventional OOB. */ nand_read_page_op(chip, page, mtd->writesize, NULL, 0); - chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->read_buf(chip, chip->oob_poi, mtd->oobsize); /* * Now, we want to make sure the block mark is correct. In the @@ -1346,7 +1344,7 @@ static int gpmi_ecc_read_oob(struct nand_chip *chip, int page) if (GPMI_IS_MX23(this)) { /* Read the block mark into the first byte of the OOB buffer. */ nand_read_page_op(chip, page, 0, NULL, 0); - chip->oob_poi[0] = chip->read_byte(mtd); + chip->oob_poi[0] = chip->read_byte(chip); } return 0; @@ -1635,7 +1633,7 @@ static int mx23_check_transcription_stamp(struct gpmi_nand_data *this) * and starts in the 12th byte of the page. */ nand_read_page_op(chip, page, 12, NULL, 0); - chip->read_buf(mtd, buffer, strlen(fingerprint)); + chip->read_buf(chip, buffer, strlen(fingerprint)); /* Look for the fingerprint. */ if (!memcmp(buffer, fingerprint, strlen(fingerprint))) { @@ -1771,7 +1769,7 @@ static int mx23_boot_init(struct gpmi_nand_data *this) /* Send the command to read the conventional block mark. */ chip->select_chip(mtd, chipnr); nand_read_page_op(chip, page, mtd->writesize, NULL, 0); - block_mark = chip->read_byte(mtd); + block_mark = chip->read_byte(chip); chip->select_chip(mtd, -1); /* diff --git a/drivers/mtd/nand/raw/hisi504_nand.c b/drivers/mtd/nand/raw/hisi504_nand.c index fab3c7fcf77b..e1fe6963c908 100644 --- a/drivers/mtd/nand/raw/hisi504_nand.c +++ b/drivers/mtd/nand/raw/hisi504_nand.c @@ -364,9 +364,8 @@ static void hisi_nfc_select_chip(struct mtd_info *mtd, int chipselect) host->chipselect = chipselect; } -static uint8_t hisi_nfc_read_byte(struct mtd_info *mtd) +static uint8_t hisi_nfc_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct hinfc_host *host = nand_get_controller_data(chip); if (host->command == NAND_CMD_STATUS) @@ -390,9 +389,8 @@ hisi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) host->offset += len; } -static void hisi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void hisi_nfc_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct hinfc_host *host = nand_get_controller_data(chip); memcpy(buf, host->buffer + host->offset, len); @@ -537,7 +535,7 @@ static int hisi_nand_read_page_hwecc(struct nand_chip *chip, uint8_t *buf, int stat_1, stat_2; nand_read_page_op(chip, page, 0, buf, mtd->writesize); - chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->read_buf(chip, chip->oob_poi, mtd->oobsize); /* errors which can not be corrected by ECC */ if (host->irq_status & HINFC504_INTS_UE) { diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc32xx_slc.c index 6e4017ddacad..5820c86cb1f1 100644 --- a/drivers/mtd/nand/raw/lpc32xx_slc.c +++ b/drivers/mtd/nand/raw/lpc32xx_slc.c @@ -359,9 +359,8 @@ static int lpc32xx_nand_ecc_calculate(struct nand_chip *chip, /* * Read a single byte from NAND device */ -static uint8_t lpc32xx_nand_read_byte(struct mtd_info *mtd) +static uint8_t lpc32xx_nand_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct lpc32xx_nand_host *host = nand_get_controller_data(chip); return (uint8_t)readl(SLC_DATA(host->io_base)); @@ -370,9 +369,8 @@ static uint8_t lpc32xx_nand_read_byte(struct mtd_info *mtd) /* * Simple device read without ECC */ -static void lpc32xx_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void lpc32xx_nand_read_buf(struct nand_chip *chip, u_char *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct lpc32xx_nand_host *host = nand_get_controller_data(chip); /* Direct device read with no ECC */ @@ -628,7 +626,7 @@ static int lpc32xx_nand_read_page_syndrome(struct nand_chip *chip, uint8_t *buf, status = lpc32xx_xfer(mtd, buf, chip->ecc.steps, 1); /* Get OOB data */ - chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->read_buf(chip, chip->oob_poi, mtd->oobsize); /* Convert to stored ECC format */ lpc32xx_slc_ecc_copy(tmpecc, (uint32_t *) host->ecc_buf, chip->ecc.steps); @@ -669,8 +667,8 @@ static int lpc32xx_nand_read_page_raw_syndrome(struct nand_chip *chip, nand_read_page_op(chip, page, 0, NULL, 0); /* Raw reads can just use the FIFO interface */ - chip->read_buf(mtd, buf, chip->ecc.size * chip->ecc.steps); - chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->read_buf(chip, buf, chip->ecc.size * chip->ecc.steps); + chip->read_buf(chip, chip->oob_poi, mtd->oobsize); return 0; } diff --git a/drivers/mtd/nand/raw/mpc5121_nfc.c b/drivers/mtd/nand/raw/mpc5121_nfc.c index 3c90d6955476..49031f5a3b6d 100644 --- a/drivers/mtd/nand/raw/mpc5121_nfc.c +++ b/drivers/mtd/nand/raw/mpc5121_nfc.c @@ -493,9 +493,9 @@ static void mpc5121_nfc_buf_copy(struct mtd_info *mtd, u_char *buf, int len, } /* Read data from NFC buffers */ -static void mpc5121_nfc_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void mpc5121_nfc_read_buf(struct nand_chip *chip, u_char *buf, int len) { - mpc5121_nfc_buf_copy(mtd, buf, len, 0); + mpc5121_nfc_buf_copy(nand_to_mtd(chip), buf, len, 0); } /* Write data to NFC buffers */ @@ -506,11 +506,11 @@ static void mpc5121_nfc_write_buf(struct mtd_info *mtd, } /* Read byte from NFC buffers */ -static u8 mpc5121_nfc_read_byte(struct mtd_info *mtd) +static u8 mpc5121_nfc_read_byte(struct nand_chip *chip) { u8 tmp; - mpc5121_nfc_read_buf(mtd, &tmp, sizeof(tmp)); + mpc5121_nfc_read_buf(chip, &tmp, sizeof(tmp)); return tmp; } diff --git a/drivers/mtd/nand/raw/mtk_nand.c b/drivers/mtd/nand/raw/mtk_nand.c index c338a9646433..1c7392242d4d 100644 --- a/drivers/mtd/nand/raw/mtk_nand.c +++ b/drivers/mtd/nand/raw/mtk_nand.c @@ -438,9 +438,8 @@ static inline void mtk_nfc_wait_ioready(struct mtk_nfc *nfc) dev_err(nfc->dev, "data not ready\n"); } -static inline u8 mtk_nfc_read_byte(struct mtd_info *mtd) +static inline u8 mtk_nfc_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct mtk_nfc *nfc = nand_get_controller_data(chip); u32 reg; @@ -467,12 +466,12 @@ static inline u8 mtk_nfc_read_byte(struct mtd_info *mtd) return nfi_readb(nfc, NFI_DATAR); } -static void mtk_nfc_read_buf(struct mtd_info *mtd, u8 *buf, int len) +static void mtk_nfc_read_buf(struct nand_chip *chip, u8 *buf, int len) { int i; for (i = 0; i < len; i++) - buf[i] = mtk_nfc_read_byte(mtd); + buf[i] = mtk_nfc_read_byte(chip); } static void mtk_nfc_write_byte(struct mtd_info *mtd, u8 byte) diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c index 597c74ea7e5e..8fed2919f35e 100644 --- a/drivers/mtd/nand/raw/mxc_nand.c +++ b/drivers/mtd/nand/raw/mxc_nand.c @@ -895,9 +895,8 @@ static int mxc_nand_write_oob(struct nand_chip *chip, int page) return mxc_nand_write_page(chip, host->data_buf, false, page); } -static u_char mxc_nand_read_byte(struct mtd_info *mtd) +static u_char mxc_nand_read_byte(struct nand_chip *nand_chip) { - struct nand_chip *nand_chip = mtd_to_nand(mtd); struct mxc_nand_host *host = nand_get_controller_data(nand_chip); uint8_t ret; @@ -941,9 +940,10 @@ static void mxc_nand_write_buf(struct mtd_info *mtd, * Flash first the data output cycle is initiated by the NFC, which copies * the data to RAMbuffer. This data of length len is then copied to buffer buf. */ -static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void mxc_nand_read_buf(struct nand_chip *nand_chip, u_char *buf, + int len) { - struct nand_chip *nand_chip = mtd_to_nand(mtd); + struct mtd_info *mtd = nand_to_mtd(nand_chip); struct mxc_nand_host *host = nand_get_controller_data(nand_chip); u16 col = host->buf_start; int n = mtd->oobsize + mtd->writesize - col; @@ -1429,7 +1429,7 @@ static int mxc_nand_get_features(struct mtd_info *mtd, struct nand_chip *chip, host->buf_start = 0; for (i = 0; i < ONFI_SUBFEATURE_PARAM_LEN; ++i) - *subfeature_param++ = chip->read_byte(mtd); + *subfeature_param++ = chip->read_byte(chip); return 0; } diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index cc386ee64a1b..e4686078011d 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -254,26 +254,24 @@ static void nand_release_device(struct mtd_info *mtd) /** * nand_read_byte - [DEFAULT] read one byte from the chip - * @mtd: MTD device structure + * @chip: NAND chip object * * Default read function for 8bit buswidth */ -static uint8_t nand_read_byte(struct mtd_info *mtd) +static uint8_t nand_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); return readb(chip->IO_ADDR_R); } /** * nand_read_byte16 - [DEFAULT] read one byte endianness aware from the chip - * @mtd: MTD device structure + * @chip: NAND chip object * * Default read function for 16bit buswidth with endianness conversion. * */ -static uint8_t nand_read_byte16(struct mtd_info *mtd) +static uint8_t nand_read_byte16(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); return (uint8_t) cpu_to_le16(readw(chip->IO_ADDR_R)); } @@ -362,16 +360,14 @@ static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) /** * nand_read_buf - [DEFAULT] read chip data into buffer - * @mtd: MTD device structure + * @chip: NAND chip object * @buf: buffer to store date * @len: number of bytes to read * * Default read function for 8bit buswidth. */ -static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void nand_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); - ioread8_rep(chip->IO_ADDR_R, buf, len); } @@ -393,15 +389,14 @@ static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) /** * nand_read_buf16 - [DEFAULT] read chip data into buffer - * @mtd: MTD device structure + * @chip: NAND chip object * @buf: buffer to store date * @len: number of bytes to read * * Default read function for 16bit buswidth. */ -static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len) +static void nand_read_buf16(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); u16 *p = (u16 *) buf; ioread16_rep(chip->IO_ADDR_R, p, len >> 1); @@ -1544,7 +1539,7 @@ int nand_read_page_op(struct nand_chip *chip, unsigned int page, chip->cmdfunc(mtd, NAND_CMD_READ0, offset_in_page, page); if (len) - chip->read_buf(mtd, buf, len); + chip->read_buf(chip, buf, len); return 0; } @@ -1593,7 +1588,7 @@ static int nand_read_param_page_op(struct nand_chip *chip, u8 page, void *buf, chip->cmdfunc(mtd, NAND_CMD_PARAM, page, -1); for (i = 0; i < len; i++) - p[i] = chip->read_byte(mtd); + p[i] = chip->read_byte(chip); return 0; } @@ -1656,7 +1651,7 @@ int nand_change_read_column_op(struct nand_chip *chip, chip->cmdfunc(mtd, NAND_CMD_RNDOUT, offset_in_page, -1); if (len) - chip->read_buf(mtd, buf, len); + chip->read_buf(chip, buf, len); return 0; } @@ -1693,7 +1688,7 @@ int nand_read_oob_op(struct nand_chip *chip, unsigned int page, chip->cmdfunc(mtd, NAND_CMD_READOOB, offset_in_oob, page); if (len) - chip->read_buf(mtd, buf, len); + chip->read_buf(chip, buf, len); return 0; } @@ -2009,7 +2004,7 @@ int nand_readid_op(struct nand_chip *chip, u8 addr, void *buf, chip->cmdfunc(mtd, NAND_CMD_READID, addr, -1); for (i = 0; i < len; i++) - id[i] = chip->read_byte(mtd); + id[i] = chip->read_byte(chip); return 0; } @@ -2048,7 +2043,7 @@ int nand_status_op(struct nand_chip *chip, u8 *status) chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1); if (status) - *status = chip->read_byte(mtd); + *status = chip->read_byte(chip); return 0; } @@ -2229,7 +2224,7 @@ static int nand_get_features_op(struct nand_chip *chip, u8 feature, chip->cmdfunc(mtd, NAND_CMD_GET_FEATURES, feature, -1); for (i = 0; i < ONFI_SUBFEATURE_PARAM_LEN; ++i) - params[i] = chip->read_byte(mtd); + params[i] = chip->read_byte(chip); return 0; } @@ -2304,8 +2299,6 @@ EXPORT_SYMBOL_GPL(nand_reset_op); int nand_read_data_op(struct nand_chip *chip, void *buf, unsigned int len, bool force_8bit) { - struct mtd_info *mtd = nand_to_mtd(chip); - if (!len || !buf) return -EINVAL; @@ -2325,9 +2318,9 @@ int nand_read_data_op(struct nand_chip *chip, void *buf, unsigned int len, unsigned int i; for (i = 0; i < len; i++) - p[i] = chip->read_byte(mtd); + p[i] = chip->read_byte(chip); } else { - chip->read_buf(mtd, buf, len); + chip->read_buf(chip, buf, len); } return 0; diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index e9f7b9e1aead..04feb4e8d112 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -1872,9 +1872,8 @@ static void switch_state(struct nandsim *ns) } } -static u_char ns_nand_read_byte(struct mtd_info *mtd) +static u_char ns_nand_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct nandsim *ns = nand_get_controller_data(chip); u_char outb = 0x00; @@ -2136,9 +2135,8 @@ static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) } } -static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void ns_nand_read_buf(struct nand_chip *chip, u_char *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct nandsim *ns = nand_get_controller_data(chip); /* Sanity and correctness checks */ @@ -2160,7 +2158,7 @@ static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) int i; for (i = 0; i < len; i++) - buf[i] = mtd_to_nand(mtd)->read_byte(mtd); + buf[i] = chip->read_byte(chip); return; } diff --git a/drivers/mtd/nand/raw/ndfc.c b/drivers/mtd/nand/raw/ndfc.c index 9241cfaab5ac..56bb1eaa5ef3 100644 --- a/drivers/mtd/nand/raw/ndfc.c +++ b/drivers/mtd/nand/raw/ndfc.c @@ -116,9 +116,8 @@ static int ndfc_calculate_ecc(struct nand_chip *chip, * functions. No further checking, as nand_base will always read/write * page aligned. */ -static void ndfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void ndfc_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct ndfc_controller *ndfc = nand_get_controller_data(chip); uint32_t *p = (uint32_t *) buf; diff --git a/drivers/mtd/nand/raw/nuc900_nand.c b/drivers/mtd/nand/raw/nuc900_nand.c index 0c675b6c0b6e..3a88da5ec97f 100644 --- a/drivers/mtd/nand/raw/nuc900_nand.c +++ b/drivers/mtd/nand/raw/nuc900_nand.c @@ -79,21 +79,21 @@ static const struct mtd_partition partitions[] = { } }; -static unsigned char nuc900_nand_read_byte(struct mtd_info *mtd) +static unsigned char nuc900_nand_read_byte(struct nand_chip *chip) { unsigned char ret; - struct nuc900_nand *nand = mtd_to_nuc900(mtd); + struct nuc900_nand *nand = mtd_to_nuc900(nand_to_mtd(chip)); ret = (unsigned char)read_data_reg(nand); return ret; } -static void nuc900_nand_read_buf(struct mtd_info *mtd, +static void nuc900_nand_read_buf(struct nand_chip *chip, unsigned char *buf, int len) { int i; - struct nuc900_nand *nand = mtd_to_nuc900(mtd); + struct nuc900_nand *nand = mtd_to_nuc900(nand_to_mtd(chip)); for (i = 0; i < len; i++) buf[i] = (unsigned char)read_data_reg(nand); diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c index f1f8b6c1d654..4f2e5cd86050 100644 --- a/drivers/mtd/nand/raw/omap2.c +++ b/drivers/mtd/nand/raw/omap2.c @@ -337,12 +337,13 @@ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len) /** * omap_read_buf_pref - read data from NAND controller into buffer - * @mtd: MTD device structure + * @chip: NAND chip object * @buf: buffer to store date * @len: number of bytes to read */ -static void omap_read_buf_pref(struct mtd_info *mtd, u_char *buf, int len) +static void omap_read_buf_pref(struct nand_chip *chip, u_char *buf, int len) { + struct mtd_info *mtd = nand_to_mtd(chip); struct omap_nand_info *info = mtd_to_omap(mtd); uint32_t r_count = 0; int ret = 0; @@ -528,14 +529,17 @@ out_copy: /** * omap_read_buf_dma_pref - read data from NAND controller into buffer - * @mtd: MTD device structure + * @chip: NAND chip object * @buf: buffer to store date * @len: number of bytes to read */ -static void omap_read_buf_dma_pref(struct mtd_info *mtd, u_char *buf, int len) +static void omap_read_buf_dma_pref(struct nand_chip *chip, u_char *buf, + int len) { + struct mtd_info *mtd = nand_to_mtd(chip); + if (len <= mtd->oobsize) - omap_read_buf_pref(mtd, buf, len); + omap_read_buf_pref(chip, buf, len); else /* start transfer in DMA mode */ omap_nand_dma_transfer(mtd, buf, len, 0x0); @@ -605,17 +609,19 @@ done: /* * omap_read_buf_irq_pref - read data from NAND controller into buffer - * @mtd: MTD device structure + * @chip: NAND chip object * @buf: buffer to store date * @len: number of bytes to read */ -static void omap_read_buf_irq_pref(struct mtd_info *mtd, u_char *buf, int len) +static void omap_read_buf_irq_pref(struct nand_chip *chip, u_char *buf, + int len) { + struct mtd_info *mtd = nand_to_mtd(chip); struct omap_nand_info *info = mtd_to_omap(mtd); int ret = 0; if (len <= mtd->oobsize) { - omap_read_buf_pref(mtd, buf, len); + omap_read_buf_pref(chip, buf, len); return; } @@ -1642,7 +1648,7 @@ static int omap_read_page_bch(struct nand_chip *chip, uint8_t *buf, chip->ecc.hwctl(chip, NAND_ECC_READ); /* Read data */ - chip->read_buf(mtd, buf, mtd->writesize); + chip->read_buf(chip, buf, mtd->writesize); /* Read oob bytes */ nand_change_read_column_op(chip, diff --git a/drivers/mtd/nand/raw/orion_nand.c b/drivers/mtd/nand/raw/orion_nand.c index 5c58d91ffaee..870eabe6fff8 100644 --- a/drivers/mtd/nand/raw/orion_nand.c +++ b/drivers/mtd/nand/raw/orion_nand.c @@ -48,9 +48,8 @@ static void orion_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl writeb(cmd, nc->IO_ADDR_W + offs); } -static void orion_nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void orion_nand_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); void __iomem *io_base = chip->IO_ADDR_R; #if defined(__LINUX_ARM_ARCH__) && __LINUX_ARM_ARCH__ >= 5 uint64_t *buf64; diff --git a/drivers/mtd/nand/raw/oxnas_nand.c b/drivers/mtd/nand/raw/oxnas_nand.c index 5bc180536320..6156abb30b7a 100644 --- a/drivers/mtd/nand/raw/oxnas_nand.c +++ b/drivers/mtd/nand/raw/oxnas_nand.c @@ -38,17 +38,15 @@ struct oxnas_nand_ctrl { struct nand_chip *chips[OXNAS_NAND_MAX_CHIPS]; }; -static uint8_t oxnas_nand_read_byte(struct mtd_info *mtd) +static uint8_t oxnas_nand_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip); return readb(oxnas->io_base); } -static void oxnas_nand_read_buf(struct mtd_info *mtd, u8 *buf, int len) +static void oxnas_nand_read_buf(struct nand_chip *chip, u8 *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip); ioread8_rep(oxnas->io_base, buf, len); diff --git a/drivers/mtd/nand/raw/pasemi_nand.c b/drivers/mtd/nand/raw/pasemi_nand.c index c8e2ac04fb86..551e5db670be 100644 --- a/drivers/mtd/nand/raw/pasemi_nand.c +++ b/drivers/mtd/nand/raw/pasemi_nand.c @@ -43,10 +43,8 @@ static unsigned int lpcctl; static struct mtd_info *pasemi_nand_mtd; static const char driver_name[] = "pasemi-nand"; -static void pasemi_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void pasemi_read_buf(struct nand_chip *chip, u_char *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); - while (len > 0x800) { memcpy_fromio(buf, chip->IO_ADDR_R, 0x800); buf += 0x800; diff --git a/drivers/mtd/nand/raw/plat_nand.c b/drivers/mtd/nand/raw/plat_nand.c index 80e1a44f0465..5193806923ba 100644 --- a/drivers/mtd/nand/raw/plat_nand.c +++ b/drivers/mtd/nand/raw/plat_nand.c @@ -52,13 +52,6 @@ static void plat_nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, pdata->ctrl.write_buf(mtd_to_nand(mtd), buf, len); } -static void plat_nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) -{ - struct platform_nand_data *pdata = dev_get_platdata(mtd->dev.parent); - - pdata->ctrl.read_buf(mtd_to_nand(mtd), buf, len); -} - /* * Probe for the NAND device. */ @@ -111,9 +104,7 @@ static int plat_nand_probe(struct platform_device *pdev) if (pdata->ctrl.write_buf) data->chip.write_buf = plat_nand_write_buf; - if (pdata->ctrl.read_buf) - data->chip.read_buf = plat_nand_read_buf; - + data->chip.read_buf = pdata->ctrl.read_buf; data->chip.chip_delay = pdata->chip.chip_delay; data->chip.options |= pdata->chip.options; data->chip.bbt_options |= pdata->chip.bbt_options; diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index e0cec027572c..63bb9f3fe23b 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -2282,9 +2282,8 @@ static int qcom_nandc_block_markbad(struct mtd_info *mtd, loff_t ofs) * reading/writing page data, they are used for smaller data like reading * id, status etc */ -static uint8_t qcom_nandc_read_byte(struct mtd_info *mtd) +static uint8_t qcom_nandc_read_byte(struct nand_chip *chip) { - struct nand_chip *chip = mtd_to_nand(mtd); struct qcom_nand_host *host = to_qcom_nand_host(chip); struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); u8 *buf = nandc->data_buffer; @@ -2304,9 +2303,8 @@ static uint8_t qcom_nandc_read_byte(struct mtd_info *mtd) return ret; } -static void qcom_nandc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void qcom_nandc_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct nand_chip *chip = mtd_to_nand(mtd); struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); int real_len = min_t(size_t, len, nandc->buf_count - nandc->buf_start); diff --git a/drivers/mtd/nand/raw/r852.c b/drivers/mtd/nand/raw/r852.c index aa5516b3b45f..07055bd657cd 100644 --- a/drivers/mtd/nand/raw/r852.c +++ b/drivers/mtd/nand/raw/r852.c @@ -266,9 +266,9 @@ static void r852_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) /* * Read data lines of the nand chip to retrieve data */ -static void r852_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void r852_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct r852_device *dev = r852_get_dev(mtd); + struct r852_device *dev = r852_get_dev(nand_to_mtd(chip)); uint32_t reg; if (dev->card_unstable) { @@ -303,9 +303,9 @@ static void r852_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) /* * Read one byte from nand chip */ -static uint8_t r852_read_byte(struct mtd_info *mtd) +static uint8_t r852_read_byte(struct nand_chip *chip) { - struct r852_device *dev = r852_get_dev(mtd); + struct r852_device *dev = r852_get_dev(nand_to_mtd(chip)); /* Same problem as in r852_read_buf.... */ if (dev->card_unstable) diff --git a/drivers/mtd/nand/raw/s3c2410.c b/drivers/mtd/nand/raw/s3c2410.c index d57201d118d8..54c86ec612dd 100644 --- a/drivers/mtd/nand/raw/s3c2410.c +++ b/drivers/mtd/nand/raw/s3c2410.c @@ -675,14 +675,14 @@ static int s3c2440_nand_calculate_ecc(struct nand_chip *chip, * use read/write block to move the data buffers to/from the controller */ -static void s3c2410_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void s3c2410_nand_read_buf(struct nand_chip *this, u_char *buf, int len) { - struct nand_chip *this = mtd_to_nand(mtd); readsb(this->IO_ADDR_R, buf, len); } -static void s3c2440_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void s3c2440_nand_read_buf(struct nand_chip *this, u_char *buf, int len) { + struct mtd_info *mtd = nand_to_mtd(this); struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd); readsl(info->regs + S3C2440_NFDATA, buf, len >> 2); diff --git a/drivers/mtd/nand/raw/sh_flctl.c b/drivers/mtd/nand/raw/sh_flctl.c index bb58edd2bdf0..6966a18f8ac4 100644 --- a/drivers/mtd/nand/raw/sh_flctl.c +++ b/drivers/mtd/nand/raw/sh_flctl.c @@ -618,7 +618,7 @@ static int flctl_read_page_hwecc(struct nand_chip *chip, uint8_t *buf, nand_read_page_op(chip, page, 0, buf, mtd->writesize); if (oob_required) - chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->read_buf(chip, chip->oob_poi, mtd->oobsize); return 0; } @@ -978,9 +978,9 @@ static void flctl_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) flctl->index += len; } -static uint8_t flctl_read_byte(struct mtd_info *mtd) +static uint8_t flctl_read_byte(struct nand_chip *chip) { - struct sh_flctl *flctl = mtd_to_flctl(mtd); + struct sh_flctl *flctl = mtd_to_flctl(nand_to_mtd(chip)); uint8_t data; data = flctl->done_buff[flctl->index]; @@ -988,9 +988,9 @@ static uint8_t flctl_read_byte(struct mtd_info *mtd) return data; } -static void flctl_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void flctl_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct sh_flctl *flctl = mtd_to_flctl(mtd); + struct sh_flctl *flctl = mtd_to_flctl(nand_to_mtd(chip)); memcpy(buf, &flctl->done_buff[flctl->index], len); flctl->index += len; diff --git a/drivers/mtd/nand/raw/socrates_nand.c b/drivers/mtd/nand/raw/socrates_nand.c index 82ba371a8e18..007e37680b88 100644 --- a/drivers/mtd/nand/raw/socrates_nand.c +++ b/drivers/mtd/nand/raw/socrates_nand.c @@ -54,14 +54,14 @@ static void socrates_nand_write_buf(struct mtd_info *mtd, /** * socrates_nand_read_buf - read chip data into buffer - * @mtd: MTD device structure + * @this: NAND chip object * @buf: buffer to store date * @len: number of bytes to read */ -static void socrates_nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void socrates_nand_read_buf(struct nand_chip *this, uint8_t *buf, + int len) { int i; - struct nand_chip *this = mtd_to_nand(mtd); struct socrates_nand_host *host = nand_get_controller_data(this); uint32_t val; @@ -78,10 +78,10 @@ static void socrates_nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) * socrates_nand_read_byte - read one byte from the chip * @mtd: MTD device structure */ -static uint8_t socrates_nand_read_byte(struct mtd_info *mtd) +static uint8_t socrates_nand_read_byte(struct nand_chip *this) { uint8_t byte; - socrates_nand_read_buf(mtd, &byte, sizeof(byte)); + socrates_nand_read_buf(this, &byte, sizeof(byte)); return byte; } diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index 86d666c0c03c..2a0e624eca6c 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -464,9 +464,8 @@ static void sunxi_nfc_select_chip(struct mtd_info *mtd, int chip) sunxi_nand->selected = chip; } -static void sunxi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void sunxi_nfc_read_buf(struct nand_chip *nand, uint8_t *buf, int len) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller); int ret; @@ -540,11 +539,11 @@ static void sunxi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, } } -static uint8_t sunxi_nfc_read_byte(struct mtd_info *mtd) +static uint8_t sunxi_nfc_read_byte(struct nand_chip *nand) { uint8_t ret = 0; - sunxi_nfc_read_buf(mtd, &ret, 1); + sunxi_nfc_read_buf(nand, &ret, 1); return ret; } @@ -770,7 +769,7 @@ static void sunxi_nfc_randomizer_read_buf(struct mtd_info *mtd, uint8_t *buf, { sunxi_nfc_randomizer_config(mtd, page, ecc); sunxi_nfc_randomizer_enable(mtd); - sunxi_nfc_read_buf(mtd, buf, len); + sunxi_nfc_read_buf(mtd_to_nand(mtd), buf, len); sunxi_nfc_randomizer_disable(mtd); } @@ -995,7 +994,7 @@ static void sunxi_nfc_hw_ecc_read_extra_oob(struct mtd_info *mtd, false); if (!randomize) - sunxi_nfc_read_buf(mtd, oob + offset, len); + sunxi_nfc_read_buf(nand, oob + offset, len); else sunxi_nfc_randomizer_read_buf(mtd, oob + offset, len, false, page); diff --git a/drivers/mtd/nand/raw/tango_nand.c b/drivers/mtd/nand/raw/tango_nand.c index 7c8f47546002..20d6fa983a6b 100644 --- a/drivers/mtd/nand/raw/tango_nand.c +++ b/drivers/mtd/nand/raw/tango_nand.c @@ -135,16 +135,16 @@ static int tango_dev_ready(struct mtd_info *mtd) return readl_relaxed(nfc->pbus_base + PBUS_CS_CTRL) & PBUS_IORDY; } -static u8 tango_read_byte(struct mtd_info *mtd) +static u8 tango_read_byte(struct nand_chip *chip) { - struct tango_chip *tchip = to_tango_chip(mtd_to_nand(mtd)); + struct tango_chip *tchip = to_tango_chip(chip); return readb_relaxed(tchip->base + PBUS_DATA); } -static void tango_read_buf(struct mtd_info *mtd, u8 *buf, int len) +static void tango_read_buf(struct nand_chip *chip, u8 *buf, int len) { - struct tango_chip *tchip = to_tango_chip(mtd_to_nand(mtd)); + struct tango_chip *tchip = to_tango_chip(chip); ioread8_rep(tchip->base + PBUS_DATA, buf, len); } @@ -325,15 +325,13 @@ static int tango_write_page(struct nand_chip *chip, const u8 *buf, static void aux_read(struct nand_chip *chip, u8 **buf, int len, int *pos) { - struct mtd_info *mtd = nand_to_mtd(chip); - *pos += len; if (!*buf) { /* skip over "len" bytes */ nand_change_read_column_op(chip, *pos, NULL, 0, false); } else { - tango_read_buf(mtd, *buf, len); + tango_read_buf(chip, *buf, len); *buf += len; } } diff --git a/drivers/mtd/nand/raw/tmio_nand.c b/drivers/mtd/nand/raw/tmio_nand.c index 734ff29705ce..570ea045fbce 100644 --- a/drivers/mtd/nand/raw/tmio_nand.c +++ b/drivers/mtd/nand/raw/tmio_nand.c @@ -225,9 +225,9 @@ tmio_nand_wait(struct mtd_info *mtd, struct nand_chip *nand_chip) *To prevent stale data from being read, tmio_nand_hwcontrol() clears *tmio->read_good. */ -static u_char tmio_nand_read_byte(struct mtd_info *mtd) +static u_char tmio_nand_read_byte(struct nand_chip *chip) { - struct tmio_nand *tmio = mtd_to_tmio(mtd); + struct tmio_nand *tmio = mtd_to_tmio(nand_to_mtd(chip)); unsigned int data; if (tmio->read_good--) @@ -252,9 +252,9 @@ tmio_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) tmio_iowrite16_rep(tmio->fcr + FCR_DATA, buf, len >> 1); } -static void tmio_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void tmio_nand_read_buf(struct nand_chip *chip, u_char *buf, int len) { - struct tmio_nand *tmio = mtd_to_tmio(mtd); + struct tmio_nand *tmio = mtd_to_tmio(nand_to_mtd(chip)); tmio_ioread16_rep(tmio->fcr + FCR_DATA, buf, len >> 1); } diff --git a/drivers/mtd/nand/raw/txx9ndfmc.c b/drivers/mtd/nand/raw/txx9ndfmc.c index 3c69d834de62..c68b638c4fe8 100644 --- a/drivers/mtd/nand/raw/txx9ndfmc.c +++ b/drivers/mtd/nand/raw/txx9ndfmc.c @@ -102,9 +102,9 @@ static void txx9ndfmc_write(struct platform_device *dev, __raw_writel(val, ndregaddr(dev, reg)); } -static uint8_t txx9ndfmc_read_byte(struct mtd_info *mtd) +static uint8_t txx9ndfmc_read_byte(struct nand_chip *chip) { - struct platform_device *dev = mtd_to_platdev(mtd); + struct platform_device *dev = mtd_to_platdev(nand_to_mtd(chip)); return txx9ndfmc_read(dev, TXX9_NDFDTR); } @@ -122,9 +122,9 @@ static void txx9ndfmc_write_buf(struct mtd_info *mtd, const uint8_t *buf, txx9ndfmc_write(dev, mcr, TXX9_NDFMCR); } -static void txx9ndfmc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) +static void txx9ndfmc_read_buf(struct nand_chip *chip, uint8_t *buf, int len) { - struct platform_device *dev = mtd_to_platdev(mtd); + struct platform_device *dev = mtd_to_platdev(nand_to_mtd(chip)); void __iomem *ndfdtr = ndregaddr(dev, TXX9_NDFDTR); while (len--) diff --git a/drivers/mtd/nand/raw/xway_nand.c b/drivers/mtd/nand/raw/xway_nand.c index 1adb41acebfc..edbcfaa85ed8 100644 --- a/drivers/mtd/nand/raw/xway_nand.c +++ b/drivers/mtd/nand/raw/xway_nand.c @@ -125,17 +125,17 @@ static int xway_dev_ready(struct mtd_info *mtd) return ltq_ebu_r32(EBU_NAND_WAIT) & NAND_WAIT_RD; } -static unsigned char xway_read_byte(struct mtd_info *mtd) +static unsigned char xway_read_byte(struct nand_chip *chip) { - return xway_readb(mtd, NAND_READ_DATA); + return xway_readb(nand_to_mtd(chip), NAND_READ_DATA); } -static void xway_read_buf(struct mtd_info *mtd, u_char *buf, int len) +static void xway_read_buf(struct nand_chip *chip, u_char *buf, int len) { int i; for (i = 0; i < len; i++) - buf[i] = xway_readb(mtd, NAND_WRITE_DATA); + buf[i] = xway_readb(nand_to_mtd(chip), NAND_WRITE_DATA); } static void xway_write_buf(struct mtd_info *mtd, const u_char *buf, int len) |