[U-Boot] [PATCH 03/16] spi: Add non DM version of SPI_MEM

[Jagan Teki]

On Thu, Dec 13, 2018 at 2:10 AM Boris Brezillon
<boris.brezillon at bootlin.com> wrote:
>
> Hi Jagan,
>
> On Thu, 13 Dec 2018 01:55:08 +0530
> Jagan Teki <jagan at amarulasolutions.com> wrote:
>
> > On Wed, Dec 12, 2018 at 11:08 PM Vignesh R <vigneshr at ti.com> wrote:
> > >
> > > Add non DM version of SPI_MEM to support easy migration to new SPI NOR
> > > framework. This can be removed once DM_SPI conversion is complete.
> >
> > Our intention to use new driver to follow dm, why we need to support
> > non-dm? any usecases?
>
> Looks like we're having the same discussion over and over. Vignesh is
> dropping spi_flash.c which AFAICT was not depending on DM_SPI, so, if
> we want to keep everyone happy while getting rid of some legacy code,
> that's the only solution. DM conversion is a nice goal, but it's kind
> of orthogonal to what Vignesh is working on. If DM_SPI conversion
> happens before the spi-nor stuff is merged  (which I doubt) then this
> patch can simply be dropped.

spi_flash.c is a core code not a specific driver it belongs. spi-mem
is new feature driver how come new driver will support legacy non-dm
do we have legacy use for that(ie what I'm asking about usecase)