[U-Boot] [PATCH v2] usb: dfu: make nand upload working

[Lukasz Majewski <l.majewski@majess.pl>]

Hi Bo,

> 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>

I would kindly ask some users of NAND part of the DFU (Tom, Heiko) to
test if this change doesn't break anything.


> ---
> Changes in v2:
>   - Move code to nand part, or else it will break mmc
> 
>  drivers/dfu/dfu_nand.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c
> index 1c2e03b..cf082e2 100644
> --- a/drivers/dfu/dfu_nand.c
> +++ b/drivers/dfu/dfu_nand.c
> @@ -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:

Best regards,
Lukasz
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