diff options
| -rw-r--r-- | drivers/dfu/dfu_nand.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c index ab782bead4..9fb874c0bc 100644 --- a/drivers/dfu/dfu_nand.c +++ b/drivers/dfu/dfu_nand.c @@ -139,6 +139,7 @@ static int dfu_read_medium_nand(struct dfu_entity *dfu, u64 offset, void *buf, static int dfu_flush_medium_nand(struct dfu_entity *dfu) { int ret = 0; + u64 off; /* in case of ubi partition, erase rest of the partition */ if (dfu->data.nand.ubi) { @@ -155,7 +156,16 @@ static int dfu_flush_medium_nand(struct dfu_entity *dfu) mtd = nand_info[nand_curr_device]; memset(&opts, 0, sizeof(opts)); - opts.offset = dfu->data.nand.start + dfu->offset + + off = dfu->offset; + if ((off & (mtd->erasesize - 1)) != 0) { + /* + * last write ended with unaligned length + * sector is erased, jump to next + */ + off = off & ~((mtd->erasesize - 1)); + off += mtd->erasesize; + } + opts.offset = dfu->data.nand.start + off + dfu->bad_skip; opts.length = dfu->data.nand.start + dfu->data.nand.size - opts.offset; |