RE: [PATCH v12 4/8] usb:gadget: Add SuperSpeed support to the Gadget Framework

[Tanya Brokhman]

> >
> > Mike answered that you're right in your observation. I'm not familiar
> with
> > blackfin. Could you please elaborate on this? I understand that I
> need to
> > use put_unaligned_le16(), will do, but I would like to better
> understand why
> > and if there is a way to test this so that blackfin won't be broken.
> 
> not all arches support unaligned accesses.  or they do, but it's done
> via (non-trivial) exception processing in software.  req->buf is of
> type void* and so presumably is not guaranteed to be aligned on a 2
> byte boundary.
> -mike

Thanks for the explanation, Mike! I'll update the patch.

Best regards,
Tanya Brokhman
Consultant for Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum




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