Re: Linux USB file storage gadget with new UDC

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On Thu, 16 May 2013, victor yeo wrote:

> Another question from the bulk_out_complete() printout which is shown
> below. The req->actual is 512 byte. The bh->bulk_out_intended_length
> is 31. Is this a bug?
> 
> g_file_storage gadget: get_next_command
> [start_transfer] 6f007442 7000
> ept1 out queue len 0x200, buffer 0xc1330000
> kagen2_ep_queue 512 512 512
> g_file_storage gadget: bulk_out_complete --> 0, 512/31
> .....

Well, it's a mistake.  It might be a bug.

If the host really did send a 13-byte packet then it's definitely a 
bug.  But if the host sent a 512-byte packet then something else is 
wrong; it would mean the gadget was expecting a CBW packet but the host 
sent something else.

Alan Stern

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