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-rw-r--r--drivers/mtd/devices/mtd_dataflash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 62dee54af0a..43976aa4dbb 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -178,7 +178,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
/* Calculate flash page address; use block erase (for speed) if
* we're at a block boundary and need to erase the whole block.
*/
- pageaddr = div_u64(instr->len, priv->page_size);
+ pageaddr = div_u64(instr->addr, priv->page_size);
do_block = (pageaddr & 0x7) == 0 && instr->len >= blocksize;
pageaddr = pageaddr << priv->page_offset;