From: Petko Manolov
> Sent: 07 February 2017 13:21
...
> > > Would you consider what David proposed (usb_control_msg_with_malloc())
> > > for 4.11,
> > > for example? I for one will use something like that in all my drivers.
> >
> > Sure, but you might want to make it a bit smaller of a function name :)
>
> Whatever i say may be taken as volunteering. :D
>
> Second - i've got really bad taste when naming things. asdfgl() is a short
> name
> although not very descriptive. ;)
...
Actually, for short control transfers a field in the urb itself could be used
(unless another 8 bytes makes the structure larger).
IIRC for xhci, the 8 byte pointer field can be marked as containing the
actual data - saving the hardware from doing another dma as well.
David
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