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->write_xxx() hooks at once.
Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
---
drivers/mtd/nand/raw/ams-delta.c | 9 +++---
drivers/mtd/nand/raw/atmel/nand-controller.c | 12 +++----
drivers/mtd/nand/raw/au1550nd.c | 34 +++++++++-----------
drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c | 6 ++--
drivers/mtd/nand/raw/brcmnand/brcmnand.c | 5 ++-
drivers/mtd/nand/raw/cafe_nand.c | 5 ++-
drivers/mtd/nand/raw/cmx270_nand.c | 4 +--
drivers/mtd/nand/raw/cs553x_nand.c | 9 ++----
drivers/mtd/nand/raw/davinci_nand.c | 6 ++--
drivers/mtd/nand/raw/denali.c | 13 ++++----
drivers/mtd/nand/raw/diskonchip.c | 20 +++++-------
drivers/mtd/nand/raw/docg4.c | 10 +++---
drivers/mtd/nand/raw/fsl_elbc_nand.c | 10 +++---
drivers/mtd/nand/raw/fsl_ifc_nand.c | 6 ++--
drivers/mtd/nand/raw/fsl_upm.c | 4 +--
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 3 +-
drivers/mtd/nand/raw/hisi504_nand.c | 5 ++-
drivers/mtd/nand/raw/lpc32xx_slc.c | 8 ++---
drivers/mtd/nand/raw/mpc5121_nfc.c | 6 ++--
drivers/mtd/nand/raw/mtk_nand.c | 8 ++---
drivers/mtd/nand/raw/mxc_nand.c | 8 ++---
drivers/mtd/nand/raw/nand_base.c | 41 ++++++++++--------------
drivers/mtd/nand/raw/nand_hynix.c | 2 +-
drivers/mtd/nand/raw/nandsim.c | 9 +++---
drivers/mtd/nand/raw/ndfc.c | 3 +-
drivers/mtd/nand/raw/nuc900_nand.c | 4 +--
drivers/mtd/nand/raw/omap2.c | 36 ++++++++++++---------
drivers/mtd/nand/raw/oxnas_nand.c | 4 +--
drivers/mtd/nand/raw/pasemi_nand.c | 5 ++-
drivers/mtd/nand/raw/plat_nand.c | 12 +------
drivers/mtd/nand/raw/qcom_nandc.c | 3 +-
drivers/mtd/nand/raw/r852.c | 4 +--
drivers/mtd/nand/raw/s3c2410.c | 6 ++--
drivers/mtd/nand/raw/sh_flctl.c | 6 ++--
drivers/mtd/nand/raw/socrates_nand.c | 7 ++--
drivers/mtd/nand/raw/sunxi_nand.c | 5 ++-
drivers/mtd/nand/raw/tango_nand.c | 8 ++---
drivers/mtd/nand/raw/tmio_nand.c | 4 +--
drivers/mtd/nand/raw/txx9ndfmc.c | 4 +--
drivers/mtd/nand/raw/xway_nand.c | 4 +--
drivers/staging/mt29f_spinand/mt29f_spinand.c | 4 +--
include/linux/mtd/rawnand.h | 4 +--
42 files changed, 163 insertions(+), 203 deletions(-)
diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c
index eb48c939c4ae..d742b9444429 100644
--- a/drivers/mtd/nand/raw/ams-delta.c
+++ b/drivers/mtd/nand/raw/ams-delta.c
@@ -63,9 +63,8 @@ static const struct mtd_partition partition_info[] = {
.size = 3 * SZ_256K },
};
-static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte)
+static void ams_delta_write_byte(struct nand_chip *this, u_char byte)
{
- struct nand_chip *this = mtd_to_nand(mtd);
void __iomem *io_base = (void __iomem *)nand_get_controller_data(this);
writew(0, io_base + OMAP_MPUIO_IO_CNTL);
@@ -89,13 +88,13 @@ static u_char ams_delta_read_byte(struct nand_chip *this)
return res;
}
-static void ams_delta_write_buf(struct mtd_info *mtd, const u_char *buf,
+static void ams_delta_write_buf(struct nand_chip *this, const u_char *buf,
int len)
{
int i;
for (i=0; i<len; i++)
- ams_delta_write_byte(mtd, buf[i]);
+ ams_delta_write_byte(this, buf[i]);
}
static void ams_delta_read_buf(struct nand_chip *this, u_char *buf, int len)
@@ -128,7 +127,7 @@ static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd,
}
if (cmd != NAND_CMD_NONE)
- ams_delta_write_byte(mtd, cmd);
+ ams_delta_write_byte(mtd_to_nand(mtd), cmd);
}
static int ams_delta_nand_ready(struct mtd_info *mtd)
diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c
index d2c692622a4f..f15f7fe469cd 100644
--- a/drivers/mtd/nand/raw/atmel/nand-controller.c
+++ b/drivers/mtd/nand/raw/atmel/nand-controller.c
@@ -417,9 +417,8 @@ static u8 atmel_nand_read_byte(struct nand_chip *chip)
return ioread8(nand->activecs->io.virt);
}
-static void atmel_nand_write_byte(struct mtd_info *mtd, u8 byte)
+static void atmel_nand_write_byte(struct nand_chip *chip, u8 byte)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
struct atmel_nand *nand = to_atmel_nand(chip);
if (chip->options & NAND_BUSWIDTH_16)
@@ -452,9 +451,8 @@ static void atmel_nand_read_buf(struct nand_chip *chip, u8 *buf, int len)
ioread8_rep(nand->activecs->io.virt, buf, len);
}
-static void atmel_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
+static void atmel_nand_write_buf(struct nand_chip *chip, const 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;
@@ -841,7 +839,7 @@ static int atmel_nand_pmecc_write_pg(struct nand_chip *chip, const u8 *buf,
if (ret)
return ret;
- atmel_nand_write_buf(mtd, buf, mtd->writesize);
+ atmel_nand_write_buf(chip, buf, mtd->writesize);
ret = atmel_nand_pmecc_generate_eccbytes(chip, raw);
if (ret) {
@@ -851,7 +849,7 @@ static int atmel_nand_pmecc_write_pg(struct nand_chip *chip, const u8 *buf,
atmel_nand_pmecc_disable(chip, raw);
- atmel_nand_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ atmel_nand_write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
@@ -942,7 +940,7 @@ static int atmel_hsmc_nand_pmecc_write_pg(struct nand_chip *chip,
if (ret)
return ret;
- atmel_nand_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ atmel_nand_write_buf(chip, chip->oob_poi, mtd->oobsize);
nc->op.cmds[0] = NAND_CMD_PAGEPROG;
nc->op.ncmds = 1;
diff --git a/drivers/mtd/nand/raw/au1550nd.c b/drivers/mtd/nand/raw/au1550nd.c
index 76ea4141eb10..f1cc9f672262 100644
--- a/drivers/mtd/nand/raw/au1550nd.c
+++ b/drivers/mtd/nand/raw/au1550nd.c
@@ -24,7 +24,7 @@ struct au1550nd_ctx {
int cs;
void __iomem *base;
- void (*write_byte)(struct mtd_info *, u_char);
+ void (*write_byte)(struct nand_chip *, u_char);
};
/**
@@ -42,14 +42,13 @@ static u_char au_read_byte(struct nand_chip *this)
/**
* au_write_byte - write one byte to the chip
- * @mtd: MTD device structure
+ * @this: NAND chip object
* @byte: pointer to data byte to write
*
* write function for 8it buswidth
*/
-static void au_write_byte(struct mtd_info *mtd, u_char byte)
+static void au_write_byte(struct nand_chip *this, u_char byte)
{
- struct nand_chip *this = mtd_to_nand(mtd);
writeb(byte, this->IO_ADDR_W);
wmb(); /* drain writebuffer */
}
@@ -69,30 +68,28 @@ static u_char au_read_byte16(struct nand_chip *this)
/**
* au_write_byte16 - write one byte endianness aware to the chip
- * @mtd: MTD device structure
+ * @this: NAND chip object
* @byte: pointer to data byte to write
*
* write function for 16bit buswidth with endianness conversion
*/
-static void au_write_byte16(struct mtd_info *mtd, u_char byte)
+static void au_write_byte16(struct nand_chip *this, u_char byte)
{
- struct nand_chip *this = mtd_to_nand(mtd);
writew(le16_to_cpu((u16) byte), this->IO_ADDR_W);
wmb(); /* drain writebuffer */
}
/**
* au_write_buf - write buffer to chip
- * @mtd: MTD device structure
+ * @this: NAND chip object
* @buf: data buffer
* @len: number of bytes to write
*
* write function for 8bit buswidth
*/
-static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+static void au_write_buf(struct nand_chip *this, const u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd_to_nand(mtd);
for (i = 0; i < len; i++) {
writeb(buf[i], this->IO_ADDR_W);
@@ -120,16 +117,15 @@ static void au_read_buf(struct nand_chip *this, u_char *buf, int len)
/**
* au_write_buf16 - write buffer to chip
- * @mtd: MTD device structure
+ * @this: NAND chip object
* @buf: data buffer
* @len: number of bytes to write
*
* write function for 16bit buswidth
*/
-static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
+static void au_write_buf16(struct nand_chip *this, const u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd_to_nand(mtd);
u16 *p = (u16 *) buf;
len >>= 1;
@@ -272,9 +268,9 @@ static void au1550_command(struct mtd_info *mtd, unsigned command, int column, i
column -= 256;
readcmd = NAND_CMD_READ1;
}
- ctx->write_byte(mtd, readcmd);
+ ctx->write_byte(this, readcmd);
}
- ctx->write_byte(mtd, command);
+ ctx->write_byte(this, command);
/* Set ALE and clear CLE to start address cycle */
au1550_hwcontrol(mtd, NAND_CTL_CLRCLE);
@@ -288,10 +284,10 @@ static void au1550_command(struct mtd_info *mtd, unsigned command, int column, i
if (this->options & NAND_BUSWIDTH_16 &&
!nand_opcode_8bits(command))
column >>= 1;
- ctx->write_byte(mtd, column);
+ ctx->write_byte(this, column);
}
if (page_addr != -1) {
- ctx->write_byte(mtd, (u8)(page_addr & 0xff));
+ ctx->write_byte(this, (u8)(page_addr & 0xff));
if (command == NAND_CMD_READ0 ||
command == NAND_CMD_READ1 ||
@@ -309,10 +305,10 @@ static void au1550_command(struct mtd_info *mtd, unsigned command, int column, i
au1550_hwcontrol(mtd, NAND_CTL_SETNCE);
}
- ctx->write_byte(mtd, (u8)(page_addr >> 8));
+ ctx->write_byte(this, (u8)(page_addr >> 8));
if (this->options & NAND_ROW_ADDR_3)
- ctx->write_byte(mtd,
+ ctx->write_byte(this,
((page_addr >> 16) & 0x0f));
}
/* Latch in address */
diff --git a/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c
index cf3e45358c60..83eec2812aa0 100644
--- a/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c
+++ b/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c
@@ -354,15 +354,15 @@ static void bcm47xxnflash_ops_bcm4706_read_buf(struct nand_chip *nand_chip,
pr_err("Invalid command for buf read: 0x%X\n", b47n->curr_command);
}
-static void bcm47xxnflash_ops_bcm4706_write_buf(struct mtd_info *mtd,
+static void bcm47xxnflash_ops_bcm4706_write_buf(struct nand_chip *nand_chip,
const 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_SEQIN:
- bcm47xxnflash_ops_bcm4706_write(mtd, buf, len);
+ bcm47xxnflash_ops_bcm4706_write(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 7cbc6045f16d..e24e77b27618 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1481,11 +1481,10 @@ static void brcmnand_read_buf(struct nand_chip *chip, uint8_t *buf, int len)
*buf = brcmnand_read_byte(chip);
}
-static void brcmnand_write_buf(struct mtd_info *mtd, const uint8_t *buf,
- int len)
+static void brcmnand_write_buf(struct nand_chip *chip, const uint8_t *buf,
+ int len)
{
int i;
- struct nand_chip *chip = mtd_to_nand(mtd);
struct brcmnand_host *host = nand_get_controller_data(chip);
switch (host->last_cmd) {
diff --git a/drivers/mtd/nand/raw/cafe_nand.c b/drivers/mtd/nand/raw/cafe_nand.c
index 97d835f88b86..f801333161c9 100644
--- a/drivers/mtd/nand/raw/cafe_nand.c
+++ b/drivers/mtd/nand/raw/cafe_nand.c
@@ -117,9 +117,8 @@ static int cafe_device_ready(struct mtd_info *mtd)
}
-static void cafe_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void cafe_write_buf(struct nand_chip *chip, const 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)
@@ -540,7 +539,7 @@ static int cafe_nand_write_page_lowlevel(struct nand_chip *chip,
struct cafe_priv *cafe = nand_get_controller_data(chip);
nand_prog_page_begin_op(chip, page, 0, buf, mtd->writesize);
- chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->write_buf(chip, chip->oob_poi, mtd->oobsize);
/* Set up ECC autogeneration */
cafe->ctl2 |= (1<<30);
diff --git a/drivers/mtd/nand/raw/cmx270_nand.c b/drivers/mtd/nand/raw/cmx270_nand.c
index 232d32391b1f..4e5c8b7721ab 100644
--- a/drivers/mtd/nand/raw/cmx270_nand.c
+++ b/drivers/mtd/nand/raw/cmx270_nand.c
@@ -54,10 +54,10 @@ static u_char cmx270_read_byte(struct nand_chip *this)
return (readl(this->IO_ADDR_R) >> 16);
}
-static void cmx270_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+static void cmx270_write_buf(struct nand_chip *this, const u_char *buf,
+ int len)
{
int i;
- struct nand_chip *this = mtd_to_nand(mtd);
for (i=0; i<len; i++)
writel((*buf++ << 16), this->IO_ADDR_W);
diff --git a/drivers/mtd/nand/raw/cs553x_nand.c b/drivers/mtd/nand/raw/cs553x_nand.c
index 4394eeebec7f..442fa583db44 100644
--- a/drivers/mtd/nand/raw/cs553x_nand.c
+++ b/drivers/mtd/nand/raw/cs553x_nand.c
@@ -103,10 +103,8 @@ static void cs553x_read_buf(struct nand_chip *this, u_char *buf, int len)
memcpy_fromio(buf, this->IO_ADDR_R, len);
}
-static void cs553x_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+static void cs553x_write_buf(struct nand_chip *this, const u_char *buf, int len)
{
- struct nand_chip *this = mtd_to_nand(mtd);
-
while (unlikely(len > 0x800)) {
memcpy_toio(this->IO_ADDR_R, buf, 0x800);
buf += 0x800;
@@ -120,9 +118,8 @@ static unsigned char cs553x_read_byte(struct nand_chip *this)
return readb(this->IO_ADDR_R);
}
-static void cs553x_write_byte(struct mtd_info *mtd, u_char byte)
+static void cs553x_write_byte(struct nand_chip *this, u_char byte)
{
- struct nand_chip *this = mtd_to_nand(mtd);
int i = 100000;
while (i && readb(this->IO_ADDR_R + MM_NAND_STS) & CS_NAND_CTLR_BUSY) {
@@ -142,7 +139,7 @@ static void cs553x_hwcontrol(struct mtd_info *mtd, int cmd,
writeb(ctl, mmio_base + MM_NAND_CTL);
}
if (cmd != NAND_CMD_NONE)
- cs553x_write_byte(mtd, cmd);
+ cs553x_write_byte(this, cmd);
}
static int cs553x_device_ready(struct mtd_info *mtd)
diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c
index b879049e51c6..02a2d3b05e34 100644
--- a/drivers/mtd/nand/raw/davinci_nand.c
+++ b/drivers/mtd/nand/raw/davinci_nand.c
@@ -446,11 +446,9 @@ static void nand_davinci_read_buf(struct nand_chip *chip, uint8_t *buf,
ioread8_rep(chip->IO_ADDR_R, buf, len);
}
-static void nand_davinci_write_buf(struct mtd_info *mtd,
- const uint8_t *buf, int len)
+static void nand_davinci_write_buf(struct nand_chip *chip, const uint8_t *buf,
+ int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
-
if ((0x03 & ((uintptr_t)buf)) == 0 && (0x03 & len) == 0)
iowrite32_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 7e2c6ba2524b..eeb3f3843355 100644
--- a/drivers/mtd/nand/raw/denali.c
+++ b/drivers/mtd/nand/raw/denali.c
@@ -233,9 +233,10 @@ static void denali_read_buf(struct nand_chip *chip, uint8_t *buf, int len)
buf[i] = denali->host_read(denali, addr);
}
-static void denali_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void denali_write_buf(struct nand_chip *chip, const 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);
int i;
@@ -254,10 +255,10 @@ static void denali_read_buf16(struct nand_chip *chip, uint8_t *buf, int len)
buf16[i] = denali->host_read(denali, addr);
}
-static void denali_write_buf16(struct mtd_info *mtd, const uint8_t *buf,
+static void denali_write_buf16(struct nand_chip *chip, const 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);
const uint16_t *buf16 = (const uint16_t *)buf;
int i;
@@ -275,9 +276,9 @@ static uint8_t denali_read_byte(struct nand_chip *chip)
return byte;
}
-static void denali_write_byte(struct mtd_info *mtd, uint8_t byte)
+static void denali_write_byte(struct nand_chip *chip, uint8_t byte)
{
- denali_write_buf(mtd, &byte, 1);
+ denali_write_buf(chip, &byte, 1);
}
static void denali_cmd_ctrl(struct mtd_info *mtd, int dat, unsigned int ctrl)
diff --git a/drivers/mtd/nand/raw/diskonchip.c b/drivers/mtd/nand/raw/diskonchip.c
index de1059069e8f..a1bc2f7436db 100644
--- a/drivers/mtd/nand/raw/diskonchip.c
+++ b/drivers/mtd/nand/raw/diskonchip.c
@@ -290,9 +290,8 @@ static inline int DoC_WaitReady(struct doc_priv *doc)
return ret;
}
-static void doc2000_write_byte(struct mtd_info *mtd, u_char datum)
+static void doc2000_write_byte(struct nand_chip *this, u_char datum)
{
- struct nand_chip *this = mtd_to_nand(mtd);
struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
@@ -316,9 +315,9 @@ static u_char doc2000_read_byte(struct nand_chip *this)
return ret;
}
-static void doc2000_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
+static void doc2000_writebuf(struct nand_chip *this, const 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;
@@ -448,9 +447,8 @@ static int doc200x_wait(struct mtd_info *mtd, struct nand_chip *this)
return status;
}
-static void doc2001_write_byte(struct mtd_info *mtd, u_char datum)
+static void doc2001_write_byte(struct nand_chip *this, u_char datum)
{
- struct nand_chip *this = mtd_to_nand(mtd);
struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
@@ -472,9 +470,8 @@ static u_char doc2001_read_byte(struct nand_chip *this)
return ReadDOC(docptr, LastDataRead);
}
-static void doc2001_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
+static void doc2001_writebuf(struct nand_chip *this, const 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;
@@ -515,9 +512,8 @@ static u_char doc2001plus_read_byte(struct nand_chip *this)
return ret;
}
-static void doc2001plus_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
+static void doc2001plus_writebuf(struct nand_chip *this, const 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;
@@ -638,9 +634,9 @@ static void doc200x_hwcontrol(struct mtd_info *mtd, int cmd,
}
if (cmd != NAND_CMD_NONE) {
if (DoC_is_2000(doc))
- doc2000_write_byte(mtd, cmd);
+ doc2000_write_byte(this, cmd);
else
- doc2001_write_byte(mtd, cmd);
+ doc2001_write_byte(this, cmd);
}
}
diff --git a/drivers/mtd/nand/raw/docg4.c b/drivers/mtd/nand/raw/docg4.c
index be439309fcfe..8987d273397b 100644
--- a/drivers/mtd/nand/raw/docg4.c
+++ b/drivers/mtd/nand/raw/docg4.c
@@ -271,10 +271,10 @@ static void docg4_read_buf(struct nand_chip *nand, uint8_t *buf, int len)
p[i] = readw(nand->IO_ADDR_R);
}
-static void docg4_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void docg4_write_buf16(struct nand_chip *nand, const uint8_t *buf,
+ int len)
{
int i;
- struct nand_chip *nand = mtd_to_nand(mtd);
uint16_t *p = (uint16_t *) buf;
len >>= 1;
@@ -964,10 +964,10 @@ static int write_page(struct mtd_info *mtd, struct nand_chip *nand,
write_nop(docptr);
/* write the page data */
- docg4_write_buf16(mtd, buf, DOCG4_PAGE_SIZE);
+ docg4_write_buf16(nand, buf, DOCG4_PAGE_SIZE);
/* oob bytes 0 through 5 are written to I/O reg */
- docg4_write_buf16(mtd, nand->oob_poi, 6);
+ docg4_write_buf16(nand, nand->oob_poi, 6);
/* oob byte 6 written to a separate reg */
writew(nand->oob_poi[6], docptr + DOCG4_OOB_6_7);
@@ -995,7 +995,7 @@ static int write_page(struct mtd_info *mtd, struct nand_chip *nand,
memcpy(ecc_buf, &nand->oob_poi[8], 8);
}
- docg4_write_buf16(mtd, ecc_buf, 8);
+ docg4_write_buf16(nand, ecc_buf, 8);
write_nop(docptr);
write_nop(docptr);
writew(0, docptr + DOC_DATAEND);
diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c
index 22326bcb8b62..14d246323e94 100644
--- a/drivers/mtd/nand/raw/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/raw/fsl_elbc_nand.c
@@ -543,9 +543,9 @@ static void fsl_elbc_select_chip(struct mtd_info *mtd, int chip)
/*
* Write buf to the FCM Controller Data Buffer
*/
-static void fsl_elbc_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
+static void fsl_elbc_write_buf(struct nand_chip *chip, const u8 *buf, int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct fsl_elbc_mtd *priv = nand_get_controller_data(chip);
struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand;
unsigned int bufsize = mtd->writesize + mtd->oobsize;
@@ -735,7 +735,7 @@ static int fsl_elbc_write_page(struct nand_chip *chip, const uint8_t *buf,
struct mtd_info *mtd = nand_to_mtd(chip);
nand_prog_page_begin_op(chip, page, 0, buf, mtd->writesize);
- fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ fsl_elbc_write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
@@ -750,8 +750,8 @@ static int fsl_elbc_write_subpage(struct nand_chip *chip, uint32_t offset,
struct mtd_info *mtd = nand_to_mtd(chip);
nand_prog_page_begin_op(chip, page, 0, NULL, 0);
- fsl_elbc_write_buf(mtd, buf, mtd->writesize);
- fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ fsl_elbc_write_buf(chip, buf, mtd->writesize);
+ fsl_elbc_write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c
index 2a5e2c88c7fc..e1276c3cdd85 100644
--- a/drivers/mtd/nand/raw/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c
@@ -518,9 +518,9 @@ static void fsl_ifc_select_chip(struct mtd_info *mtd, int chip)
/*
* Write buf to the IFC NAND Controller Data Buffer
*/
-static void fsl_ifc_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
+static void fsl_ifc_write_buf(struct nand_chip *chip, const u8 *buf, int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
unsigned int bufsize = mtd->writesize + mtd->oobsize;
@@ -709,7 +709,7 @@ static int fsl_ifc_write_page(struct nand_chip *chip, const uint8_t *buf,
struct mtd_info *mtd = nand_to_mtd(chip);
nand_prog_page_begin_op(chip, page, 0, buf, mtd->writesize);
- fsl_ifc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ fsl_ifc_write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
diff --git a/drivers/mtd/nand/raw/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c
index 965f71b31299..5d66b582f9c0 100644
--- a/drivers/mtd/nand/raw/fsl_upm.c
+++ b/drivers/mtd/nand/raw/fsl_upm.c
@@ -140,9 +140,9 @@ static void fun_read_buf(struct nand_chip *chip, uint8_t *buf, int len)
buf[i] = in_8(fun->chip.IO_ADDR_R);
}
-static void fun_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void fun_write_buf(struct nand_chip *chip, const 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 d0d5caa1b7a6..bd1b8445b358 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -868,9 +868,8 @@ static void gpmi_read_buf(struct nand_chip *chip, uint8_t *buf, int len)
gpmi_read_data(this, buf, len);
}
-static void gpmi_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void gpmi_write_buf(struct nand_chip *chip, const 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);
diff --git a/drivers/mtd/nand/raw/hisi504_nand.c b/drivers/mtd/nand/raw/hisi504_nand.c
index e1fe6963c908..b4e5bfd30022 100644
--- a/drivers/mtd/nand/raw/hisi504_nand.c
+++ b/drivers/mtd/nand/raw/hisi504_nand.c
@@ -380,9 +380,8 @@ static uint8_t hisi_nfc_read_byte(struct nand_chip *chip)
}
static void
-hisi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+hisi_nfc_write_buf(struct nand_chip *chip, const uint8_t *buf, int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
struct hinfc_host *host = nand_get_controller_data(chip);
memcpy(host->buffer + host->offset, buf, len);
@@ -583,7 +582,7 @@ static int hisi_nand_write_page_hwecc(struct nand_chip *chip,
nand_prog_page_begin_op(chip, page, 0, buf, mtd->writesize);
if (oob_required)
- chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc32xx_slc.c
index 5820c86cb1f1..d04b30989041 100644
--- a/drivers/mtd/nand/raw/lpc32xx_slc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_slc.c
@@ -381,9 +381,9 @@ static void lpc32xx_nand_read_buf(struct nand_chip *chip, u_char *buf, int len)
/*
* Simple device write without ECC
*/
-static void lpc32xx_nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void lpc32xx_nand_write_buf(struct nand_chip *chip, const uint8_t *buf,
+ int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
/* Direct device write with no ECC */
@@ -706,7 +706,7 @@ static int lpc32xx_nand_write_page_syndrome(struct nand_chip *chip,
lpc32xx_slc_ecc_copy(pb, (uint32_t *)host->ecc_buf, chip->ecc.steps);
/* Write ECC data to device */
- chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
@@ -724,7 +724,7 @@ static int lpc32xx_nand_write_page_raw_syndrome(struct nand_chip *chip,
/* Raw writes can just use the FIFO interface */
nand_prog_page_begin_op(chip, page, 0, buf,
chip->ecc.size * chip->ecc.steps);
- chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
diff --git a/drivers/mtd/nand/raw/mpc5121_nfc.c b/drivers/mtd/nand/raw/mpc5121_nfc.c
index 49031f5a3b6d..dc573a0b5fe1 100644
--- a/drivers/mtd/nand/raw/mpc5121_nfc.c
+++ b/drivers/mtd/nand/raw/mpc5121_nfc.c
@@ -499,10 +499,10 @@ static void mpc5121_nfc_read_buf(struct nand_chip *chip, u_char *buf, int len)
}
/* Write data to NFC buffers */
-static void mpc5121_nfc_write_buf(struct mtd_info *mtd,
- const u_char *buf, int len)
+static void mpc5121_nfc_write_buf(struct nand_chip *chip, const u_char *buf,
+ int len)
{
- mpc5121_nfc_buf_copy(mtd, (u_char *)buf, len, 1);
+ mpc5121_nfc_buf_copy(nand_to_mtd(chip), (u_char *)buf, len, 1);
}
/* Read byte from NFC buffers */
diff --git a/drivers/mtd/nand/raw/mtk_nand.c b/drivers/mtd/nand/raw/mtk_nand.c
index 1c7392242d4d..bd2002a1fabd 100644
--- a/drivers/mtd/nand/raw/mtk_nand.c
+++ b/drivers/mtd/nand/raw/mtk_nand.c
@@ -474,9 +474,9 @@ static void mtk_nfc_read_buf(struct nand_chip *chip, u8 *buf, int len)
buf[i] = mtk_nfc_read_byte(chip);
}
-static void mtk_nfc_write_byte(struct mtd_info *mtd, u8 byte)
+static void mtk_nfc_write_byte(struct nand_chip *chip, u8 byte)
{
- struct mtk_nfc *nfc = nand_get_controller_data(mtd_to_nand(mtd));
+ struct mtk_nfc *nfc = nand_get_controller_data(chip);
u32 reg;
reg = nfi_readl(nfc, NFI_STA) & NFI_FSM_MASK;
@@ -495,12 +495,12 @@ static void mtk_nfc_write_byte(struct mtd_info *mtd, u8 byte)
nfi_writeb(nfc, byte, NFI_DATAW);
}
-static void mtk_nfc_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
+static void mtk_nfc_write_buf(struct nand_chip *chip, const u8 *buf, int len)
{
int i;
for (i = 0; i < len; i++)
- mtk_nfc_write_byte(mtd, buf[i]);
+ mtk_nfc_write_byte(chip, buf[i]);
}
static int mtk_nfc_setup_data_interface(struct mtd_info *mtd, int csline,
diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c
index 8fed2919f35e..d5d8f8c16b60 100644
--- a/drivers/mtd/nand/raw/mxc_nand.c
+++ b/drivers/mtd/nand/raw/mxc_nand.c
@@ -921,10 +921,10 @@ static u_char mxc_nand_read_byte(struct nand_chip *nand_chip)
/* Write data of length len to buffer buf. The data to be
* written on NAND Flash is first copied to RAMbuffer. After the Data Input
* Operation by the NFC, the data is written to NAND Flash */
-static void mxc_nand_write_buf(struct mtd_info *mtd,
- const u_char *buf, int len)
+static void mxc_nand_write_buf(struct nand_chip *nand_chip, const 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;
@@ -1405,7 +1405,7 @@ static int mxc_nand_set_features(struct mtd_info *mtd, struct nand_chip *chip,
host->buf_start = 0;
for (i = 0; i < ONFI_SUBFEATURE_PARAM_LEN; ++i)
- chip->write_byte(mtd, subfeature_param[i]);
+ chip->write_byte(chip, subfeature_param[i]);
memcpy32_toio(host->main_area0, host->data_buf, mtd->writesize);
host->devtype_data->send_cmd(host, NAND_CMD_SET_FEATURES, false);
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index e4686078011d..6c20c0b805a3 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -300,28 +300,25 @@ static void nand_select_chip(struct mtd_info *mtd, int chipnr)
/**
* nand_write_byte - [DEFAULT] write single byte to chip
- * @mtd: MTD device structure
+ * @chip: NAND chip object
* @byte: value to write
*
* Default function to write a byte to I/O[7:0]
*/
-static void nand_write_byte(struct mtd_info *mtd, uint8_t byte)
+static void nand_write_byte(struct nand_chip *chip, uint8_t byte)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
-
- chip->write_buf(mtd, &byte, 1);
+ chip->write_buf(chip, &byte, 1);
}
/**
* nand_write_byte16 - [DEFAULT] write single byte to a chip with width 16
- * @mtd: MTD device structure
+ * @chip: NAND chip object
* @byte: value to write
*
* Default function to write a byte to I/O[7:0] on a 16-bit wide chip.
*/
-static void nand_write_byte16(struct mtd_info *mtd, uint8_t byte)
+static void nand_write_byte16(struct nand_chip *chip, uint8_t byte)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
uint16_t word = byte;
/*
@@ -340,21 +337,19 @@ static void nand_write_byte16(struct mtd_info *mtd, uint8_t byte)
* neither an address nor a command transfer. Let's assume a 0 on the
* upper I/O lines is OK.
*/
- chip->write_buf(mtd, (uint8_t *)&word, 2);
+ chip->write_buf(chip, (uint8_t *)&word, 2);
}
/**
* nand_write_buf - [DEFAULT] write buffer to chip
- * @mtd: MTD device structure
+ * @chip: NAND chip object
* @buf: data buffer
* @len: number of bytes to write
*
* Default write function for 8bit buswidth.
*/
-static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void nand_write_buf(struct nand_chip *chip, const uint8_t *buf, int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
-
iowrite8_rep(chip->IO_ADDR_W, buf, len);
}
@@ -373,15 +368,15 @@ static void nand_read_buf(struct nand_chip *chip, uint8_t *buf, int len)
/**
* nand_write_buf16 - [DEFAULT] write buffer to chip
- * @mtd: MTD device structure
+ * @chip: NAND chip object
* @buf: data buffer
* @len: number of bytes to write
*
* Default write function for 16bit buswidth.
*/
-static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void nand_write_buf16(struct nand_chip *chip, const uint8_t *buf,
+ int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
u16 *p = (u16 *) buf;
iowrite16_rep(chip->IO_ADDR_W, p, len >> 1);
@@ -1801,7 +1796,7 @@ int nand_prog_page_begin_op(struct nand_chip *chip, unsigned int page,
chip->cmdfunc(mtd, NAND_CMD_SEQIN, offset_in_page, page);
if (buf)
- chip->write_buf(mtd, buf, len);
+ chip->write_buf(chip, buf, len);
return 0;
}
@@ -1886,7 +1881,7 @@ int nand_prog_page_op(struct nand_chip *chip, unsigned int page,
len, true);
} else {
chip->cmdfunc(mtd, NAND_CMD_SEQIN, offset_in_page, page);
- chip->write_buf(mtd, buf, len);
+ chip->write_buf(chip, buf, len);
chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
status = chip->waitfunc(mtd, chip);
}
@@ -1955,7 +1950,7 @@ int nand_change_write_column_op(struct nand_chip *chip,
chip->cmdfunc(mtd, NAND_CMD_RNDIN, offset_in_page, -1);
if (len)
- chip->write_buf(mtd, buf, len);
+ chip->write_buf(chip, buf, len);
return 0;
}
@@ -2175,7 +2170,7 @@ static int nand_set_features_op(struct nand_chip *chip, u8 feature,
chip->cmdfunc(mtd, NAND_CMD_SET_FEATURES, feature, -1);
for (i = 0; i < ONFI_SUBFEATURE_PARAM_LEN; ++i)
- chip->write_byte(mtd, params[i]);
+ chip->write_byte(chip, params[i]);
ret = chip->waitfunc(mtd, chip);
if (ret < 0)
@@ -2343,8 +2338,6 @@ EXPORT_SYMBOL_GPL(nand_read_data_op);
int nand_write_data_op(struct nand_chip *chip, const void *buf,
unsigned int len, bool force_8bit)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
-
if (!len || !buf)
return -EINVAL;
@@ -2364,9 +2357,9 @@ int nand_write_data_op(struct nand_chip *chip, const void *buf,
unsigned int i;
for (i = 0; i < len; i++)
- chip->write_byte(mtd, p[i]);
+ chip->write_byte(chip, p[i]);
} else {
- chip->write_buf(mtd, buf, len);
+ chip->write_buf(chip, buf, len);
}
return 0;
diff --git a/drivers/mtd/nand/raw/nand_hynix.c b/drivers/mtd/nand/raw/nand_hynix.c
index 4ffbb26e76d6..197256c2e1ee 100644
--- a/drivers/mtd/nand/raw/nand_hynix.c
+++ b/drivers/mtd/nand/raw/nand_hynix.c
@@ -111,7 +111,7 @@ static int hynix_nand_reg_write_op(struct nand_chip *chip, u8 addr, u8 val)
}
chip->cmdfunc(mtd, NAND_CMD_NONE, column, -1);
- chip->write_byte(mtd, val);
+ chip->write_byte(chip, val);
return 0;
}
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c
index 04feb4e8d112..880ba12e07ba 100644
--- a/drivers/mtd/nand/raw/nandsim.c
+++ b/drivers/mtd/nand/raw/nandsim.c
@@ -1933,9 +1933,8 @@ static u_char ns_nand_read_byte(struct nand_chip *chip)
return outb;
}
-static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
+static void ns_nand_write_byte(struct nand_chip *chip, u_char byte)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
struct nandsim *ns = nand_get_controller_data(chip);
/* Sanity and correctness checks */
@@ -2098,7 +2097,7 @@ static void ns_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int bitmask)
ns->lines.ce = bitmask & NAND_NCE ? 1 : 0;
if (cmd != NAND_CMD_NONE)
- ns_nand_write_byte(mtd, cmd);
+ ns_nand_write_byte(chip, cmd);
}
static int ns_device_ready(struct mtd_info *mtd)
@@ -2107,9 +2106,9 @@ static int ns_device_ready(struct mtd_info *mtd)
return 1;
}
-static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+static void ns_nand_write_buf(struct nand_chip *chip, const u_char *buf,
+ int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
struct nandsim *ns = nand_get_controller_data(chip);
/* Check that chip is expecting data input */
diff --git a/drivers/mtd/nand/raw/ndfc.c b/drivers/mtd/nand/raw/ndfc.c
index 1c5e7606e07f..ace646b8a6e6 100644
--- a/drivers/mtd/nand/raw/ndfc.c
+++ b/drivers/mtd/nand/raw/ndfc.c
@@ -125,9 +125,8 @@ static void ndfc_read_buf(struct nand_chip *chip, uint8_t *buf, int len)
*p++ = in_be32(ndfc->ndfcbase + NDFC_DATA);
}
-static void ndfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void ndfc_write_buf(struct nand_chip *chip, const 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 3a88da5ec97f..357b3cf03195 100644
--- a/drivers/mtd/nand/raw/nuc900_nand.c
+++ b/drivers/mtd/nand/raw/nuc900_nand.c
@@ -99,11 +99,11 @@ static void nuc900_nand_read_buf(struct nand_chip *chip,
buf[i] = (unsigned char)read_data_reg(nand);
}
-static void nuc900_nand_write_buf(struct mtd_info *mtd,
+static void nuc900_nand_write_buf(struct nand_chip *chip,
const 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++)
write_data_reg(nand, buf[i]);
diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c
index 4f2e5cd86050..5a2bf1ed9c86 100644
--- a/drivers/mtd/nand/raw/omap2.c
+++ b/drivers/mtd/nand/raw/omap2.c
@@ -384,13 +384,14 @@ static void omap_read_buf_pref(struct nand_chip *chip, u_char *buf, int len)
/**
* omap_write_buf_pref - write buffer to NAND controller
- * @mtd: MTD device structure
+ * @chip: NAND chip object
* @buf: data buffer
* @len: number of bytes to write
*/
-static void omap_write_buf_pref(struct mtd_info *mtd,
- const u_char *buf, int len)
+static void omap_write_buf_pref(struct nand_chip *chip, const u_char *buf,
+ int len)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct omap_nand_info *info = mtd_to_omap(mtd);
uint32_t w_count = 0;
int i = 0, ret = 0;
@@ -547,18 +548,20 @@ static void omap_read_buf_dma_pref(struct nand_chip *chip, u_char *buf,
/**
* omap_write_buf_dma_pref - write buffer to NAND controller
- * @mtd: MTD device structure
+ * @chip: NAND chip object
* @buf: data buffer
* @len: number of bytes to write
*/
-static void omap_write_buf_dma_pref(struct mtd_info *mtd,
- const u_char *buf, int len)
+static void omap_write_buf_dma_pref(struct nand_chip *chip, const u_char *buf,
+ int len)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
+
if (len <= mtd->oobsize)
- omap_write_buf_pref(mtd, buf, len);
+ omap_write_buf_pref(chip, buf, len);
else
/* start transfer in DMA mode */
- omap_nand_dma_transfer(mtd, (u_char *) buf, len, 0x1);
+ omap_nand_dma_transfer(mtd, (u_char *)buf, len, 0x1);
}
/*
@@ -657,20 +660,21 @@ static void omap_read_buf_irq_pref(struct nand_chip *chip, u_char *buf,
/*
* omap_write_buf_irq_pref - write buffer to NAND controller
- * @mtd: MTD device structure
+ * @chip: NAND chip object
* @buf: data buffer
* @len: number of bytes to write
*/
-static void omap_write_buf_irq_pref(struct mtd_info *mtd,
- const u_char *buf, int len)
+static void omap_write_buf_irq_pref(struct nand_chip *chip, const 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;
unsigned long tim, limit;
u32 val;
if (len <= mtd->oobsize) {
- omap_write_buf_pref(mtd, buf, len);
+ omap_write_buf_pref(chip, buf, len);
return;
}
@@ -1537,7 +1541,7 @@ static int omap_write_page_bch(struct nand_chip *chip, const uint8_t *buf,
chip->ecc.hwctl(chip, NAND_ECC_WRITE);
/* Write data */
- chip->write_buf(mtd, buf, mtd->writesize);
+ chip->write_buf(chip, buf, mtd->writesize);
/* Update ecc vector from GPMC result registers */
omap_calculate_ecc_bch_multi(mtd, buf, &ecc_calc[0]);
@@ -1548,7 +1552,7 @@ static int omap_write_page_bch(struct nand_chip *chip, const uint8_t *buf,
return ret;
/* Write ecc vector to OOB area */
- chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
@@ -1589,7 +1593,7 @@ static int omap_write_subpage_bch(struct nand_chip *chip, u32 offset,
chip->ecc.hwctl(chip, NAND_ECC_WRITE);
/* Write data */
- chip->write_buf(mtd, buf, mtd->writesize);
+ chip->write_buf(chip, buf, mtd->writesize);
for (step = 0; step < ecc_steps; step++) {
/* mask ECC of un-touched subpages by padding 0xFF */
@@ -1614,7 +1618,7 @@ static int omap_write_subpage_bch(struct nand_chip *chip, u32 offset,
return ret;
/* write OOB buffer to NAND device */
- chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
diff --git a/drivers/mtd/nand/raw/oxnas_nand.c b/drivers/mtd/nand/raw/oxnas_nand.c
index 6156abb30b7a..93c04bec471d 100644
--- a/drivers/mtd/nand/raw/oxnas_nand.c
+++ b/drivers/mtd/nand/raw/oxnas_nand.c
@@ -52,9 +52,9 @@ static void oxnas_nand_read_buf(struct nand_chip *chip, u8 *buf, int len)
ioread8_rep(oxnas->io_base, buf, len);
}
-static void oxnas_nand_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
+static void oxnas_nand_write_buf(struct nand_chip *chip, const u8 *buf,
+ int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip);
iowrite8_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 551e5db670be..70aff4180ab7 100644
--- a/drivers/mtd/nand/raw/pasemi_nand.c
+++ b/drivers/mtd/nand/raw/pasemi_nand.c
@@ -53,10 +53,9 @@ static void pasemi_read_buf(struct nand_chip *chip, u_char *buf, int len)
memcpy_fromio(buf, chip->IO_ADDR_R, len);
}
-static void pasemi_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+static void pasemi_write_buf(struct nand_chip *chip, const u_char *buf,
+ int len)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
-
while (len > 0x800) {
memcpy_toio(chip->IO_ADDR_R, buf, 0x800);
buf += 0x800;
diff --git a/drivers/mtd/nand/raw/plat_nand.c b/drivers/mtd/nand/raw/plat_nand.c
index 5193806923ba..adfc3f50e8d5 100644
--- a/drivers/mtd/nand/raw/plat_nand.c
+++ b/drivers/mtd/nand/raw/plat_nand.c
@@ -44,14 +44,6 @@ static void plat_nand_select_chip(struct mtd_info *mtd, int cs)
pdata->ctrl.select_chip(mtd_to_nand(mtd), cs);
}
-static void plat_nand_write_buf(struct mtd_info *mtd, const uint8_t *buf,
- int len)
-{
- struct platform_nand_data *pdata = dev_get_platdata(mtd->dev.parent);
-
- pdata->ctrl.write_buf(mtd_to_nand(mtd), buf, len);
-}
-
/*
* Probe for the NAND device.
*/
@@ -101,9 +93,7 @@ static int plat_nand_probe(struct platform_device *pdev)
if (pdata->ctrl.select_chip)
data->chip.select_chip = plat_nand_select_chip;
- if (pdata->ctrl.write_buf)
- data->chip.write_buf = plat_nand_write_buf;
-
+ data->chip.write_buf = pdata->ctrl.write_buf;
data->chip.read_buf = pdata->ctrl.read_buf;
data->chip.chip_delay = pdata->chip.chip_delay;
data->chip.options |= pdata->chip.options;
diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index 881b955b3308..0c158ce480be 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -2313,10 +2313,9 @@ static void qcom_nandc_read_buf(struct nand_chip *chip, uint8_t *buf, int len)
nandc->buf_start += real_len;
}
-static void qcom_nandc_write_buf(struct mtd_info *mtd, const uint8_t *buf,
+static void qcom_nandc_write_buf(struct nand_chip *chip, const 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 07055bd657cd..19f49ca1ed5b 100644
--- a/drivers/mtd/nand/raw/r852.c
+++ b/drivers/mtd/nand/raw/r852.c
@@ -232,9 +232,9 @@ static void r852_do_dma(struct r852_device *dev, uint8_t *buf, int do_read)
/*
* Program data lines of the nand chip to send data to it
*/
-static void r852_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void r852_write_buf(struct nand_chip *chip, const 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;
/* Don't allow any access to hardware if we suspect card removal */
diff --git a/drivers/mtd/nand/raw/s3c2410.c b/drivers/mtd/nand/raw/s3c2410.c
index 54c86ec612dd..a420a84eaf51 100644
--- a/drivers/mtd/nand/raw/s3c2410.c
+++ b/drivers/mtd/nand/raw/s3c2410.c
@@ -696,16 +696,16 @@ static void s3c2440_nand_read_buf(struct nand_chip *this, u_char *buf, int len)
}
}
-static void s3c2410_nand_write_buf(struct mtd_info *mtd, const u_char *buf,
+static void s3c2410_nand_write_buf(struct nand_chip *this, const u_char *buf,
int len)
{
- struct nand_chip *this = mtd_to_nand(mtd);
writesb(this->IO_ADDR_W, buf, len);
}
-static void s3c2440_nand_write_buf(struct mtd_info *mtd, const u_char *buf,
+static void s3c2440_nand_write_buf(struct nand_chip *this, const u_char *buf,
int len)
{
+ struct mtd_info *mtd = nand_to_mtd(this);
struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
writesl(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 6966a18f8ac4..742b7eb82ab7 100644
--- a/drivers/mtd/nand/raw/sh_flctl.c
+++ b/drivers/mtd/nand/raw/sh_flctl.c
@@ -628,7 +628,7 @@ static int flctl_write_page_hwecc(struct nand_chip *chip, const uint8_t *buf,
struct mtd_info *mtd = nand_to_mtd(chip);
nand_prog_page_begin_op(chip, page, 0, buf, mtd->writesize);
- chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->write_buf(chip, chip->oob_poi, mtd->oobsize);
return nand_prog_page_end_op(chip);
}
@@ -970,9 +970,9 @@ static void flctl_select_chip(struct mtd_info *mtd, int chipnr)
}
}
-static void flctl_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+static void flctl_write_buf(struct nand_chip *chip, const 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(&flctl->done_buff[flctl->index], buf, len);
flctl->index += len;
diff --git a/drivers/mtd/nand/raw/socrates_nand.c b/drivers/mtd/nand/raw/socrates_nand.c
index 007e37680b88..deedc1cd4dee 100644
--- a/drivers/mtd/nand/raw/socrates_nand.c
+++ b/drivers/mtd/nand/raw/socrates_nand.c
@@ -34,15 +34,14 @@ struct socrates_nand_host {
/**
* socrates_nand_write_buf - write buffer to chip
- * @mtd: MTD device structure
+ * @this: NAND chip object
* @buf: data buffer
* @len: number of bytes to write
*/
-static void socrates_nand_write_buf(struct mtd_info *mtd,
- const uint8_t *buf, int len)
+static void socrates_nand_write_buf(struct nand_chip *this, const 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);
for (i = 0; i < len; i++) {
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 2a0e624eca6c..80d9d2f8f5de 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -501,10 +501,9 @@ static void sunxi_nfc_read_buf(struct nand_chip *nand, uint8_t *buf, int len)
}
}
-static void sunxi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf,
+static void sunxi_nfc_write_buf(struct nand_chip *nand, const 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;
@@ -760,7 +759,7 @@ static void sunxi_nfc_randomizer_write_buf(struct mtd_info *mtd,
{
sunxi_nfc_randomizer_config(mtd, page, ecc);
sunxi_nfc_randomizer_enable(mtd);
- sunxi_nfc_write_buf(mtd, buf, len);
+ sunxi_nfc_write_buf(mtd_to_nand(mtd), buf, len);
sunxi_nfc_randomizer_disable(mtd);
}
diff --git a/drivers/mtd/nand/raw/tango_nand.c b/drivers/mtd/nand/raw/tango_nand.c
index 20d6fa983a6b..7fc95c6980a7 100644
--- a/drivers/mtd/nand/raw/tango_nand.c
+++ b/drivers/mtd/nand/raw/tango_nand.c
@@ -149,9 +149,9 @@ static void tango_read_buf(struct nand_chip *chip, u8 *buf, int len)
ioread8_rep(tchip->base + PBUS_DATA, buf, len);
}
-static void tango_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
+static void tango_write_buf(struct nand_chip *chip, const u8 *buf, int len)
{
- struct tango_chip *tchip = to_tango_chip(mtd_to_nand(mtd));
+ struct tango_chip *tchip = to_tango_chip(chip);
iowrite8_rep(tchip->base + PBUS_DATA, buf, len);
}
@@ -338,15 +338,13 @@ static void aux_read(struct nand_chip *chip, u8 **buf, int len, int *pos)
static void aux_write(struct nand_chip *chip, const u8 **buf, int len, int *pos)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
-
*pos += len;
if (!*buf) {
/* skip over "len" bytes */
nand_change_write_column_op(chip, *pos, NULL, 0, false);
} else {
- tango_write_buf(mtd, *buf, len);
+ tango_write_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 570ea045fbce..d627d855b254 100644
--- a/drivers/mtd/nand/raw/tmio_nand.c
+++ b/drivers/mtd/nand/raw/tmio_nand.c
@@ -245,9 +245,9 @@ static u_char tmio_nand_read_byte(struct nand_chip *chip)
*buffer functions.
*/
static void
-tmio_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+tmio_nand_write_buf(struct nand_chip *chip, const 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_iowrite16_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 c68b638c4fe8..b7ff8eca441b 100644
--- a/drivers/mtd/nand/raw/txx9ndfmc.c
+++ b/drivers/mtd/nand/raw/txx9ndfmc.c
@@ -109,10 +109,10 @@ static uint8_t txx9ndfmc_read_byte(struct nand_chip *chip)
return txx9ndfmc_read(dev, TXX9_NDFDTR);
}
-static void txx9ndfmc_write_buf(struct mtd_info *mtd, const uint8_t *buf,
+static void txx9ndfmc_write_buf(struct nand_chip *chip, const 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);
u32 mcr = txx9ndfmc_read(dev, TXX9_NDFMCR);
diff --git a/drivers/mtd/nand/raw/xway_nand.c b/drivers/mtd/nand/raw/xway_nand.c
index edbcfaa85ed8..77759f27d154 100644
--- a/drivers/mtd/nand/raw/xway_nand.c
+++ b/drivers/mtd/nand/raw/xway_nand.c
@@ -138,12 +138,12 @@ static void xway_read_buf(struct nand_chip *chip, u_char *buf, int len)
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)
+static void xway_write_buf(struct nand_chip *chip, const u_char *buf, int len)
{
int i;
for (i = 0; i < len; i++)
- xway_writeb(mtd, NAND_WRITE_DATA, buf[i]);
+ xway_writeb(nand_to_mtd(chip), NAND_WRITE_DATA, buf[i]);
}
/*
diff --git a/drivers/staging/mt29f_spinand/mt29f_spinand.c b/drivers/staging/mt29f_spinand/mt29f_spinand.c
index 644c91ff2734..7e9ee17a389b 100644
--- a/drivers/staging/mt29f_spinand/mt29f_spinand.c
+++ b/drivers/staging/mt29f_spinand/mt29f_spinand.c
@@ -724,9 +724,9 @@ static int spinand_wait(struct mtd_info *mtd, struct nand_chip *chip)
return 0;
}
-static void spinand_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
+static void spinand_write_buf(struct nand_chip *chip, const u8 *buf, int len)
{
- struct spinand_state *state = mtd_to_state(mtd);
+ struct spinand_state *state = mtd_to_state(nand_to_mtd(chip));
memcpy(state->buf + state->buf_ptr, buf, len);
state->buf_ptr += len;
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index f324a82fe6a2..cd94cb3b9c2e 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -1284,8 +1284,8 @@ struct nand_chip {
void __iomem *IO_ADDR_W;
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 (*write_byte)(struct nand_chip *chip, uint8_t byte);
+ void (*write_buf)(struct nand_chip *chip, const 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);
--
2.14.1
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