Re: [PATCH v3 03/16] spi: dw: Discard static DW DMA slave structures

From: Andy Shevchenko
Date: Thu May 21 2020 - 12:02:46 EST


On Thu, May 21, 2020 at 6:58 PM Serge Semin
<Sergey.Semin@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, May 21, 2020 at 04:51:43PM +0100, Mark Brown wrote:
> > On Thu, May 21, 2020 at 03:12:28PM +0300, Serge Semin wrote:
> >
> > > Well, for me both solutions are equal except mine consumes less stack memory.
> > > The only reason why your solution might be better is that if DW DMA driver or
> > > the DMA engine subsystem changed the dw_dma_slave structure instance passed to
> > > the dma_request_channel() method, which non of them do. So I'll leave this for
> > > Mark to decide. Mark, could you give us your final word about this?
> >
> > Honestly I'm struggling to care either way. I guess saving a bit of
> > stack is potentially useful.
>
> Settled then.

With whom?

> Let's leave the patch as is.

Mark, should I send a partial revert afterwards in this case?
I'm not fully satisfied with it.

--
With Best Regards,
Andy Shevchenko