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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.c26
1 files changed, 3 insertions, 23 deletions
diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
index 327d96c03505..687478c9f09c 100644
--- a/drivers/mtd/nand/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/lpc32xx_mlc.c
@@ -539,20 +539,6 @@ static int lpc32xx_write_page_lowlevel(struct mtd_info *mtd,
return 0;
}
-static int lpc32xx_write_page(struct mtd_info *mtd, struct nand_chip *chip,
- uint32_t offset, int data_len, const uint8_t *buf,
- int oob_required, int page, int cached, int raw)
-{
- int res;
-
- chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page);
- res = lpc32xx_write_page_lowlevel(mtd, chip, buf, oob_required);
- chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
- lpc32xx_waitfunc(mtd, chip);
-
- return res;
-}
-
static int lpc32xx_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
int page)
{
@@ -627,10 +613,8 @@ static struct lpc32xx_nand_cfg_mlc *lpc32xx_parse_dt(struct device *dev)
struct device_node *np = dev->of_node;
ncfg = devm_kzalloc(dev, sizeof(*ncfg), GFP_KERNEL);
- if (!ncfg) {
- dev_err(dev, "could not allocate memory for platform data\n");
+ if (!ncfg)
return NULL;
- }
of_property_read_u32(np, "nxp,tcea-delay", &ncfg->tcea_delay);
of_property_read_u32(np, "nxp,busy-delay", &ncfg->busy_delay);
@@ -666,10 +650,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
/* Allocate memory for the device structure (and zero it) */
host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
- if (!host) {
- dev_err(&pdev->dev, "failed to allocate device structure.\n");
+ if (!host)
return -ENOMEM;
- }
rc = platform_get_resource(pdev, IORESOURCE_MEM, 0);
host->io_base = devm_ioremap_resource(&pdev->dev, rc);
@@ -732,9 +714,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
nand_chip->ecc.write_oob = lpc32xx_write_oob;
nand_chip->ecc.read_oob = lpc32xx_read_oob;
nand_chip->ecc.strength = 4;
- nand_chip->write_page = lpc32xx_write_page;
nand_chip->waitfunc = lpc32xx_waitfunc;
+ nand_chip->options = NAND_NO_SUBPAGE_WRITE;
nand_chip->bbt_options = NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB;
nand_chip->bbt_td = &lpc32xx_nand_bbt;
nand_chip->bbt_md = &lpc32xx_nand_bbt_mirror;
@@ -764,14 +746,12 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
host->dma_buf = devm_kzalloc(&pdev->dev, mtd->writesize, GFP_KERNEL);
if (!host->dma_buf) {
- dev_err(&pdev->dev, "Error allocating dma_buf memory\n");
res = -ENOMEM;
goto err_exit3;
}
host->dummy_buf = devm_kzalloc(&pdev->dev, mtd->writesize, GFP_KERNEL);
if (!host->dummy_buf) {
- dev_err(&pdev->dev, "Error allocating dummy_buf memory\n");
res = -ENOMEM;
goto err_exit3;
}