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path: root/drivers/dfu/dfu_nand.c
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Diffstat (limited to 'drivers/dfu/dfu_nand.c')
-rw-r--r--drivers/dfu/dfu_nand.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c
index 7dc89b2f2b..07dee89815 100644
--- a/drivers/dfu/dfu_nand.c
+++ b/drivers/dfu/dfu_nand.c
@@ -63,12 +63,26 @@ static int nand_block_op(enum dfu_nand_op op, struct dfu_entity *dfu,
nand = &nand_info[nand_curr_device];
- if (op == DFU_OP_READ)
+ if (op == DFU_OP_READ) {
ret = nand_read_skip_bad(nand, start, &count, &actual,
lim, buf);
- else
+ } else {
+ nand_erase_options_t opts;
+
+ memset(&opts, 0, sizeof(opts));
+ opts.offset = start;
+ opts.length = count;
+ opts.spread = 1;
+ opts.quiet = 1;
+ opts.lim = lim;
+ /* first erase */
+ ret = nand_erase_opts(nand, &opts);
+ if (ret)
+ return ret;
+ /* then write */
ret = nand_write_skip_bad(nand, start, &count, &actual,
lim, buf, 0);
+ }
if (ret != 0) {
printf("%s: nand_%s_skip_bad call failed at %llx!\n",
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