diff options
Diffstat (limited to 'drivers/mtd/nand/raw/omap2.c')
| -rw-r--r-- | drivers/mtd/nand/raw/omap2.c | 36 |
1 files changed, 20 insertions, 16 deletions
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 @@ out_copy: /* * 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); } |