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usb: dfu: make nand upload working

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Nowhere pass a value to len, which always 0, make no transfer which
cause uploading failed.

This patch make nand upload working. However it needs enough malloc
buffer to store read data, that means the buffer at least equal to
the upload partition size, or else it doesn't work.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
This commit is contained in:
Bo Shen 2013-11-07 14:29:41 +08:00 committed by Marek Vasut
parent ec9002e4fa
commit 47d79deb99
1 changed files with 1 additions and 0 deletions
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drivers/dfu/dfu_nand.c
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@ -121,6 +121,7 @@ static int dfu_read_medium_nand(struct dfu_entity *dfu, u64 offset, void *buf,
switch (dfu->layout) {
case DFU_RAW_ADDR:
*len = dfu->data.nand.size;
ret = nand_block_read(dfu, offset, buf, len);
break;
default: