On Mo, 2019-04-29 at 12:08 -0400, Alan Stern wrote:
> On Mon, 29 Apr 2019, Oliver Neukum wrote:
>
> > On Mo, 2019-04-29 at 15:06 +0000, David Laight wrote:
>
> > But the statement the old comment made are no longer correct.
>
> Perhaps David would be satisfied if the comment were changed to say
> that _some_ USB controller drivers have this unusual alignment
> requirement.
It would seem to me that every controller that does not do
scatter/gather has this requirement. In other words, this is
the true requirement of USB. It does not come from the
controller. It comes from the protocol's need to not
send a short package.
The second, old, comment is about controllers.
Regards
Oliver
