diff options
Diffstat (limited to 'drivers/mtd/nand/omap2.c')
| -rw-r--r-- | drivers/mtd/nand/omap2.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 7545568fce4..ee87325c771 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -292,11 +292,14 @@ static void omap_read_buf_pref(struct mtd_info *mtd, u_char *buf, int len) u32 *p = (u32 *)buf; /* take care of subpage reads */ - for (; len % 4 != 0; ) { - *buf++ = __raw_readb(info->nand.IO_ADDR_R); - len--; + if (len % 4) { + if (info->nand.options & NAND_BUSWIDTH_16) + omap_read_buf16(mtd, buf, len % 4); + else + omap_read_buf8(mtd, buf, len % 4); + p = (u32 *) (buf + len % 4); + len -= len % 4; } - p = (u32 *) buf; /* configure and start prefetch transfer */ ret = gpmc_prefetch_enable(info->gpmc_cs, 0x0, len, 0x0); @@ -502,7 +505,7 @@ static void omap_write_buf_dma_pref(struct mtd_info *mtd, omap_write_buf_pref(mtd, buf, len); else /* start transfer in DMA mode */ - omap_nand_dma_transfer(mtd, buf, len, 0x1); + omap_nand_dma_transfer(mtd, (u_char *) buf, len, 0x1); } /** @@ -1028,7 +1031,8 @@ out_free_info: static int omap_nand_remove(struct platform_device *pdev) { struct mtd_info *mtd = platform_get_drvdata(pdev); - struct omap_nand_info *info = mtd->priv; + struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, + mtd); platform_set_drvdata(pdev, NULL); if (use_dma) |