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path: root/drivers/mtd/nand/mxc_nand.c
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Diffstat (limited to 'drivers/mtd/nand/mxc_nand.c')
-rw-r--r--drivers/mtd/nand/mxc_nand.c51
1 files changed, 25 insertions, 26 deletions
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 5e7b9cf9de..f935055afd 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -351,8 +351,8 @@ static int mxc_nand_dev_ready(struct mtd_info *mtd)
static void _mxc_nand_enable_hwecc(struct mtd_info *mtd, int on)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
uint16_t tmp = readnfc(&host->regs->config1);
@@ -386,7 +386,7 @@ static int mxc_nand_read_oob_syndrome(struct mtd_info *mtd,
struct nand_chip *chip,
int page)
{
- struct mxc_nand_host *host = chip->priv;
+ struct mxc_nand_host *host = nand_get_controller_data(chip);
uint8_t *buf = chip->oob_poi;
int length = mtd->oobsize;
int eccpitch = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad;
@@ -441,7 +441,7 @@ static int mxc_nand_read_page_raw_syndrome(struct mtd_info *mtd,
int oob_required,
int page)
{
- struct mxc_nand_host *host = chip->priv;
+ struct mxc_nand_host *host = nand_get_controller_data(chip);
int eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
int eccpitch = eccbytes + chip->ecc.prepad + chip->ecc.postpad;
@@ -486,7 +486,7 @@ static int mxc_nand_read_page_syndrome(struct mtd_info *mtd,
int oob_required,
int page)
{
- struct mxc_nand_host *host = chip->priv;
+ struct mxc_nand_host *host = nand_get_controller_data(chip);
int n, eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
int eccpitch = eccbytes + chip->ecc.prepad + chip->ecc.postpad;
@@ -550,7 +550,7 @@ static int mxc_nand_read_page_syndrome(struct mtd_info *mtd,
static int mxc_nand_write_oob_syndrome(struct mtd_info *mtd,
struct nand_chip *chip, int page)
{
- struct mxc_nand_host *host = chip->priv;
+ struct mxc_nand_host *host = nand_get_controller_data(chip);
int eccpitch = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad;
int length = mtd->oobsize;
int i, len, status, steps = chip->ecc.steps;
@@ -578,7 +578,7 @@ static int mxc_nand_write_page_raw_syndrome(struct mtd_info *mtd,
const uint8_t *buf,
int oob_required)
{
- struct mxc_nand_host *host = chip->priv;
+ struct mxc_nand_host *host = nand_get_controller_data(chip);
int eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
int eccpitch = eccbytes + chip->ecc.prepad + chip->ecc.postpad;
@@ -618,7 +618,7 @@ static int mxc_nand_write_page_syndrome(struct mtd_info *mtd,
const uint8_t *buf,
int oob_required)
{
- struct mxc_nand_host *host = chip->priv;
+ struct mxc_nand_host *host = nand_get_controller_data(chip);
int i, n, eccsize = chip->ecc.size;
int eccbytes = chip->ecc.bytes;
int eccpitch = eccbytes + chip->ecc.prepad + chip->ecc.postpad;
@@ -661,8 +661,8 @@ static int mxc_nand_write_page_syndrome(struct mtd_info *mtd,
static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat,
u_char *read_ecc, u_char *calc_ecc)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
uint32_t ecc_status = readl(&host->regs->ecc_status_result);
int subpages = mtd->writesize / nand_chip->subpagesize;
int pg2blk_shift = nand_chip->phys_erase_shift -
@@ -700,8 +700,8 @@ static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat,
static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat,
u_char *read_ecc, u_char *calc_ecc)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
/*
* 1-Bit errors are automatically corrected in HW. No need for
@@ -729,8 +729,8 @@ static int mxc_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
static u_char mxc_nand_read_byte(struct mtd_info *mtd)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
uint8_t ret = 0;
uint16_t col;
uint16_t __iomem *main_buf =
@@ -769,8 +769,8 @@ static u_char mxc_nand_read_byte(struct mtd_info *mtd)
static uint16_t mxc_nand_read_word(struct mtd_info *mtd)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
uint16_t col, ret;
uint16_t __iomem *p;
@@ -821,8 +821,8 @@ static uint16_t mxc_nand_read_word(struct mtd_info *mtd)
static void mxc_nand_write_buf(struct mtd_info *mtd,
const u_char *buf, int len)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
int n, col, i = 0;
MTDDEBUG(MTD_DEBUG_LEVEL3,
@@ -895,8 +895,8 @@ static void mxc_nand_write_buf(struct mtd_info *mtd,
*/
static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
int n, col, i = 0;
MTDDEBUG(MTD_DEBUG_LEVEL3,
@@ -955,8 +955,8 @@ static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
*/
static void mxc_nand_select_chip(struct mtd_info *mtd, int chip)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
switch (chip) {
case -1:
@@ -982,8 +982,8 @@ static void mxc_nand_select_chip(struct mtd_info *mtd, int chip)
void mxc_nand_command(struct mtd_info *mtd, unsigned command,
int column, int page_addr)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct mxc_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
MTDDEBUG(MTD_DEBUG_LEVEL3,
"mxc_nand_command (cmd = 0x%x, col = 0x%x, page = 0x%x)\n",
@@ -1165,13 +1165,12 @@ int board_nand_init(struct nand_chip *this)
/* structures must be linked */
mtd = &this->mtd;
- mtd->priv = this;
host->nand = this;
/* 5 us command delay time */
this->chip_delay = 5;
- this->priv = host;
+ nand_set_controller_data(this, host);
this->dev_ready = mxc_nand_dev_ready;
this->cmdfunc = mxc_nand_command;
this->select_chip = mxc_nand_select_chip;
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