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path: root/drivers/mtd/nand/omap2.c
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Diffstat (limited to 'drivers/mtd/nand/omap2.c')
-rw-r--r--drivers/mtd/nand/omap2.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 7545568..ee87325 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)
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