@@ -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);
}
/*
@@ -410,9 +410,8 @@ static int atmel_nand_dma_transfer(struct atmel_nand_controller *nc,
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);
@@ -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);
@@ -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;
}
@@ -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,
@@ -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];
@@ -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;
@@ -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);
}
@@ -435,10 +435,9 @@ static int nand_davinci_correct_4bit(struct nand_chip *chip, u_char *data,
* 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)
@@ -222,8 +222,9 @@ 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;
@@ -242,9 +243,9 @@ 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;
@@ -265,11 +266,11 @@ 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;
}
@@ -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 */
@@ -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);
@@ -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++;
@@ -544,9 +544,8 @@ 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;
@@ -567,9 +566,8 @@ 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;
@@ -590,9 +588,8 @@ 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;
@@ -688,11 +685,11 @@ 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);
}
@@ -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++)
@@ -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);
/*
@@ -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) {
@@ -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;
}
@@ -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;
}
@@ -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)
@@ -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;
}
@@ -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;
@@ -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;
}
@@ -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;
@@ -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);
@@ -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 @@ static inline int omap_nand_dma_transfer(struct mtd_info *mtd, void *addr,
/**
* 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 @@ static irqreturn_t omap_nand_irq(int this_irq, void *dev)
/*
* 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,
@@ -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;
@@ -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);
@@ -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;
@@ -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;
@@ -2283,9 +2283,8 @@ 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;
@@ -2305,9 +2304,8 @@ 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);
@@ -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)
@@ -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);
@@ -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;
@@ -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;
}
@@ -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);
@@ -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;
}
}
@@ -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);
}
@@ -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--)
@@ -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)
@@ -657,7 +657,7 @@ static int spinand_read_page_hwecc(struct nand_chip *chip, u8 *buf,
nand_read_page_op(chip, page, 0, p, eccsize * eccsteps);
if (oob_required)
- chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->read_buf(chip, chip->oob_poi, mtd->oobsize);
while (1) {
retval = spinand_read_status(info->spi, &status);
@@ -685,9 +685,9 @@ static void spinand_select_chip(struct mtd_info *mtd, int dev)
{
}
-static u8 spinand_read_byte(struct mtd_info *mtd)
+static u8 spinand_read_byte(struct nand_chip *chip)
{
- struct spinand_state *state = mtd_to_state(mtd);
+ struct spinand_state *state = mtd_to_state(nand_to_mtd(chip));
u8 data;
data = state->buf[state->buf_ptr];
@@ -732,9 +732,9 @@ static void spinand_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
state->buf_ptr += len;
}
-static void spinand_read_buf(struct mtd_info *mtd, u8 *buf, int len)
+static void spinand_read_buf(struct nand_chip *chip, u8 *buf, int len)
{
- struct spinand_state *state = mtd_to_state(mtd);
+ struct spinand_state *state = mtd_to_state(nand_to_mtd(chip));
memcpy(buf, state->buf + state->buf_ptr, len);
state->buf_ptr += len;
@@ -1283,10 +1283,10 @@ struct nand_chip {
void __iomem *IO_ADDR_R;
void __iomem *IO_ADDR_W;
- uint8_t (*read_byte)(struct mtd_info *mtd);
+ uint8_t (*read_byte)(struct nand_chip *chip);
void (*write_byte)(struct mtd_info *mtd, uint8_t byte);
void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len);
- void (*read_buf)(struct mtd_info *mtd, uint8_t *buf, int len);
+ void (*read_buf)(struct nand_chip *chip, uint8_t *buf, int len);
void (*select_chip)(struct mtd_info *mtd, int chip);
int (*block_bad)(struct mtd_info *mtd, loff_t ofs);
int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
Let's make the raw NAND API consistent by patching all helpers and hooks to take a nand_chip object instead of an mtd_info one or remove the mtd_info object when both are passed. Let's tackle all chip->read_xxx() hooks at once. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> --- drivers/mtd/nand/raw/ams-delta.c | 7 ++-- drivers/mtd/nand/raw/atmel/nand-controller.c | 10 +++--- drivers/mtd/nand/raw/au1550nd.c | 15 ++++----- drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c | 10 +++--- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 7 ++-- drivers/mtd/nand/raw/cafe_nand.c | 10 +++--- drivers/mtd/nand/raw/cmx270_nand.c | 7 ++-- drivers/mtd/nand/raw/cs553x_nand.c | 7 ++-- drivers/mtd/nand/raw/davinci_nand.c | 5 ++- drivers/mtd/nand/raw/denali.c | 11 ++++--- drivers/mtd/nand/raw/diskonchip.c | 32 +++++++----------- drivers/mtd/nand/raw/docg4.c | 13 +++----- drivers/mtd/nand/raw/fsl_elbc_nand.c | 8 ++--- drivers/mtd/nand/raw/fsl_ifc_nand.c | 13 +++----- drivers/mtd/nand/raw/fsl_upm.c | 8 ++--- drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 16 ++++----- drivers/mtd/nand/raw/hisi504_nand.c | 8 ++--- drivers/mtd/nand/raw/lpc32xx_slc.c | 12 +++---- drivers/mtd/nand/raw/mpc5121_nfc.c | 8 ++--- drivers/mtd/nand/raw/mtk_nand.c | 7 ++-- drivers/mtd/nand/raw/mxc_nand.c | 10 +++--- drivers/mtd/nand/raw/nand_base.c | 41 ++++++++++-------------- drivers/mtd/nand/raw/nandsim.c | 8 ++--- drivers/mtd/nand/raw/ndfc.c | 3 +- drivers/mtd/nand/raw/nuc900_nand.c | 8 ++--- drivers/mtd/nand/raw/omap2.c | 24 ++++++++------ drivers/mtd/nand/raw/orion_nand.c | 3 +- drivers/mtd/nand/raw/oxnas_nand.c | 6 ++-- drivers/mtd/nand/raw/pasemi_nand.c | 4 +-- drivers/mtd/nand/raw/plat_nand.c | 11 +------ drivers/mtd/nand/raw/qcom_nandc.c | 6 ++-- drivers/mtd/nand/raw/r852.c | 8 ++--- drivers/mtd/nand/raw/s3c2410.c | 6 ++-- drivers/mtd/nand/raw/sh_flctl.c | 10 +++--- drivers/mtd/nand/raw/socrates_nand.c | 10 +++--- drivers/mtd/nand/raw/sunxi_nand.c | 11 +++---- drivers/mtd/nand/raw/tango_nand.c | 12 +++---- drivers/mtd/nand/raw/tmio_nand.c | 8 ++--- drivers/mtd/nand/raw/txx9ndfmc.c | 8 ++--- drivers/mtd/nand/raw/xway_nand.c | 8 ++--- drivers/staging/mt29f_spinand/mt29f_spinand.c | 10 +++--- include/linux/mtd/rawnand.h | 4 +-- 42 files changed, 186 insertions(+), 247 deletions(-)