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path: root/drivers/mtd/nand/lpc32xx_mlc.c
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Diffstat (limited to 'drivers/mtd/nand/lpc32xx_mlc.c')
-rw-r--r--drivers/mtd/nand/lpc32xx_mlc.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
index 347510978484..9bc435d72a86 100644
--- a/drivers/mtd/nand/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/lpc32xx_mlc.c
@@ -173,7 +173,6 @@ struct lpc32xx_nand_host {
struct nand_chip nand_chip;
struct lpc32xx_mlc_platform_data *pdata;
struct clk *clk;
- struct mtd_info mtd;
void __iomem *io_base;
int irq;
struct lpc32xx_nand_cfg_mlc *ncfg;
@@ -275,8 +274,8 @@ static void lpc32xx_nand_setup(struct lpc32xx_nand_host *host)
static void lpc32xx_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct lpc32xx_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct lpc32xx_nand_host *host = nand_get_controller_data(nand_chip);
if (cmd != NAND_CMD_NONE) {
if (ctrl & NAND_CLE)
@@ -291,8 +290,8 @@ static void lpc32xx_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
*/
static int lpc32xx_nand_device_ready(struct mtd_info *mtd)
{
- struct nand_chip *nand_chip = mtd->priv;
- struct lpc32xx_nand_host *host = nand_chip->priv;
+ struct nand_chip *nand_chip = mtd_to_nand(mtd);
+ struct lpc32xx_nand_host *host = nand_get_controller_data(nand_chip);
if ((readb(MLC_ISR(host->io_base)) &
(MLCISR_CONTROLLER_READY | MLCISR_NAND_READY)) ==
@@ -318,7 +317,7 @@ static irqreturn_t lpc3xxx_nand_irq(int irq, struct lpc32xx_nand_host *host)
static int lpc32xx_waitfunc_nand(struct mtd_info *mtd, struct nand_chip *chip)
{
- struct lpc32xx_nand_host *host = chip->priv;
+ struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
if (readb(MLC_ISR(host->io_base)) & MLCISR_NAND_READY)
goto exit;
@@ -338,7 +337,7 @@ exit:
static int lpc32xx_waitfunc_controller(struct mtd_info *mtd,
struct nand_chip *chip)
{
- struct lpc32xx_nand_host *host = chip->priv;
+ struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
if (readb(MLC_ISR(host->io_base)) & MLCISR_CONTROLLER_READY)
goto exit;
@@ -389,8 +388,8 @@ static void lpc32xx_dma_complete_func(void *completion)
static int lpc32xx_xmit_dma(struct mtd_info *mtd, void *mem, int len,
enum dma_transfer_direction dir)
{
- struct nand_chip *chip = mtd->priv;
- struct lpc32xx_nand_host *host = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
struct dma_async_tx_descriptor *desc;
int flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT;
int res;
@@ -431,7 +430,7 @@ out1:
static int lpc32xx_read_page(struct mtd_info *mtd, struct nand_chip *chip,
uint8_t *buf, int oob_required, int page)
{
- struct lpc32xx_nand_host *host = chip->priv;
+ struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
int i, j;
uint8_t *oobbuf = chip->oob_poi;
uint32_t mlc_isr;
@@ -498,7 +497,7 @@ static int lpc32xx_write_page_lowlevel(struct mtd_info *mtd,
const uint8_t *buf, int oob_required,
int page)
{
- struct lpc32xx_nand_host *host = chip->priv;
+ struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
const uint8_t *oobbuf = chip->oob_poi;
uint8_t *dma_buf = (uint8_t *)buf;
int res;
@@ -543,7 +542,7 @@ static int lpc32xx_write_page_lowlevel(struct mtd_info *mtd,
static int lpc32xx_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
int page)
{
- struct lpc32xx_nand_host *host = chip->priv;
+ struct lpc32xx_nand_host *host = nand_get_controller_data(chip);
/* Read whole page - necessary with MLC controller! */
lpc32xx_read_page(mtd, chip, host->dummy_buf, 1, page);
@@ -566,7 +565,7 @@ static void lpc32xx_ecc_enable(struct mtd_info *mtd, int mode)
static int lpc32xx_dma_setup(struct lpc32xx_nand_host *host)
{
- struct mtd_info *mtd = &host->mtd;
+ struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
dma_cap_mask_t mask;
if (!host->pdata || !host->pdata->dma_filter) {
@@ -647,7 +646,6 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
struct nand_chip *nand_chip;
struct resource *rc;
int res;
- struct mtd_part_parser_data ppdata = {};
/* Allocate memory for the device structure (and zero it) */
host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
@@ -661,8 +659,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
host->io_base_phy = rc->start;
- mtd = &host->mtd;
nand_chip = &host->nand_chip;
+ mtd = nand_to_mtd(nand_chip);
if (pdev->dev.of_node)
host->ncfg = lpc32xx_parse_dt(&pdev->dev);
if (!host->ncfg) {
@@ -681,8 +679,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
host->pdata = dev_get_platdata(&pdev->dev);
- nand_chip->priv = host; /* link the private data structures */
- mtd->priv = nand_chip;
+ /* link the private data structures */
+ nand_set_controller_data(nand_chip, host);
+ nand_set_flash_node(nand_chip, pdev->dev.of_node);
mtd->dev.parent = &pdev->dev;
/* Get NAND clock */
@@ -786,9 +785,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
mtd->name = DRV_NAME;
- ppdata.of_node = pdev->dev.of_node;
- res = mtd_device_parse_register(mtd, NULL, &ppdata, host->ncfg->parts,
- host->ncfg->num_parts);
+ res = mtd_device_register(mtd, host->ncfg->parts,
+ host->ncfg->num_parts);
if (!res)
return res;
@@ -815,7 +813,7 @@ err_exit1:
static int lpc32xx_nand_remove(struct platform_device *pdev)
{
struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
- struct mtd_info *mtd = &host->mtd;
+ struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
nand_release(mtd);
free_irq(host->irq, host);