[PATCH v1 0/2] SPI-NOR add NPCM FIU controller driver

Tomer Maimon tmaimon77 at gmail.com
Tue Dec 4 02:28:23 AEDT 2018


Hi Boris,

Thanks for your prompt reply,

We will start to work on it soon.

Regards,

Tomer

On Mon, 3 Dec 2018 at 16:30, Boris Brezillon <boris.brezillon at bootlin.com>
wrote:

> Hi Tomer;
>
> On Mon, 3 Dec 2018 16:09:19 +0200
> Tomer Maimon <tmaimon77 at gmail.com> wrote:
>
>
> > A few comments/input:
> >
> >
> >    1. We have been working on this driver for quite a long time to port
> it
> >    to the latest Linux conventions, polish the code, run tests and reach
> high
> >    quality.
> >    Our partners and customers are waiting to get this driver upstream so
> >    they can freely use it.
>
> Your patch prefix says "v1", so I'm assuming this is the first public
> version. I'm sure you spent a lot of time developing this driver
> internally, but no matter how long it took, it's a first version for
> us, and since we are moving away from the spi_nor controller interface,
> I'm not willing to accept new drivers using this interface.
>
> If you want more background about the spi_nor controller interface
> deprecation, you can read [1].
>
> >    Since this driver is already in final stages and is in very good shape
> >    we will appreciate if you can review this specific driver/interface
> and
> >    help us to upstream it.
>
> Actually, I'd like to do it the other way around: let you rework the
> driver to implement the spi-mem interface and review this version.
> Otherwise I'll be reviewing things I don't intend to merge anyway.
>
> >    2.  As for the new interface, we are open for any discussion and for
> >    porting the driver as required.
> >    We are unsure what is this specific interface and weather it really
> fits
> >    a driver for a Flash Interface Controller module (rather than a SPI
> flash
> >    device).
>
> Didn't go through the code in details, but at first glance, it looks
> like it would fit pretty well.
>
> >    Is it possible to get a sample driver from another Flash Interface
> >    Controller module that was ported to this new interface ?
>
> We recently converted the atmel QSPI driver [2].
>
> Regards,
>
> Boris
>
> [1]
> https://bootlin.com/blog/spi-mem-bringing-some-consistency-to-the-spi-memory-ecosystem/
> [2]
> https://patchwork.kernel.org/project/spi-devel-general/list/?series=38347&state=*
>
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