On Tue, 2014-03-11 at 11:08 +0100, Maxime Ripard wrote:
[]
> > > + spin_lock_irq(&sdev->lock);
> > > + for (pchan_idx = 0; pchan_idx < NR_MAX_CHANNELS; pchan_idx++) {
> > > + pchan = &sdev->pchans[pchan_idx];
> > > +
> > > + if (pchan->vchan == NULL && !list_empty(&sdev->pending)) {
> >
> > !pchan->vchan && ...
>
> Ok.
>
> > And you may decrease indentation level here if you use negative
> > condition.
>
> Hmmm, I'm not following you here. What do you mean?
for () {
...
if (!(your current condition))
continue;
... (do something else with decreased indentation level)
}
> > > + vchan = list_first_entry(&sdev->pending,
> > > + struct sun6i_vchan, node);
> > > +
> > > + /* Remove from pending channels */
> > > + list_del_init(&vchan->node);
> > > + pchan_alloc |= BIT(pchan_idx);
> > > +
> > > + /* Mark this channel allocated */
> > > + pchan->vchan = vchan;
> > > + vchan->phy = pchan;
> > > + dev_dbg(sdev->slave.dev, "pchan %u: alloc vchan %p\n",
> > > + pchan->idx, &vchan->vc);
> > > + }
> > > + }
> > > + spin_unlock_irq(&sdev->lock);
> > > +
> > > + for (pchan_idx = 0; pchan_idx < NR_MAX_CHANNELS; pchan_idx++) {
> > > + if (pchan_alloc & BIT(pchan_idx)) {
> >
> > Ditto.
Same here.
[]
> > > +#ifdef DEBUG
> > > + dev_dbg(chan2dev(chan), "First: %pad\n", &txd->p_lli);
> >
> > dev_dbg is aware of DEBUG. So, please, remove that #ifdef at all.
>
> Yep, but the line just below isn't.
>
> The ifdef here is not really to prevent the call to dev_dbg, but rather...
>
> > > + for (prev = txd->v_lli; prev != NULL; prev = prev->v_lli_next)
>
> ... this.
It doesn't matter since implementation of sun6i_dma_dump_lli is (and
actually should be) aware of DEBUG already, because it's dev_dbg based.
> >
> > You may remove '!= NULL' part.
>
> Ok.
>
> > > + sun6i_dma_dump_lli(vchan, prev);
> > > +#endif
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Intel Finland Oy
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