On Thu, Mar 07, 2013 at 02:46:23PM +0100, Michael Grzeschik wrote:
> > > > + mReq->req.actual += reqnodesize;
> > > > +
> > > > + if (length > TD_COUNT * CI13XXX_PAGE_SIZE) {
> > > > + int rest = length - mReq->req.actual;
> > > > + while (rest > 0) {
> > > > + unsigned count = min(length - mReq->req.actual,
> > > > + (unsigned)(TD_COUNT * CI13XXX_PAGE_SIZE));
> > >
> > > You can use rest instead of "length - mReq->req.actual".
> >
> > Yes, i will fix.
>
> I realized that its not possible to use rest here, as it is constant
> inside the loop and the routine add_td_to_list is using mReq->req.actual
> as well to keep count of the rest. So this hunk is correct as it is.
Yes, you are right.
> > > >
> > > > + mReq->req.actual = 0;
> > >
> > > Any reasons to do it here? The ep_queue will do it later.
> >
> > No it was doing it before calling hardware_enqueue. So i change it back
> > here. That indeed seems like we misuse this variable in that code.
> > I will fix this.
>
> As mentioned above we use this variable internaly. As this
> mReq->req.actual count is used internaly, we have to reset it
> afterwarts. Regarding to this line, this code is correct as it is.
>
Agree to reset mRep->req.actual to zero after using it.
>
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Best Regards,
Peter Chen
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