Re: [PATCH 0/5] clk: renesas: Add MFIS clock

[Geert Uytterhoeven <geert@linux-m68k.org>]

Hi Biju,

On Thu, Dec 10, 2020 at 4:47 PM Biju Das <biju.das.jz@bp.renesas.com> wrote:
> > Subject: Re: [PATCH 0/5] clk: renesas: Add MFIS clock
> > On 12/10/20 3:57 PM, Biju Das wrote:
> > >> Subject: [PATCH 0/5] clk: renesas: Add MFIS clock
> > >>
> > >> This series adds the missing MFIS clocks for most Reneas R-Car Gen3
> > SoCs.
> > >> I have tested this series on E3, M3, and H3 based boards, I don't
> > >> have access to D3 nor V3 boards.
> > >
> > > Just a question, Can you explain what test have you done with MFIS
> > module?
> > A basic usage I did is to store and read a byte into one of the
> > communication register MFISARIICR / MFISAREMBR, a more complex usage is to
> > trigger interrupts between Linux and the realtime processor, using a
> > mailbox driver, that I didn't post yet.
>
> Thanks for the explanation.
>
> FYI, As per R-Car Gen3 HW manual RCar-D3 doesn't have RT Core.

But R-Car D3 still has (a subset of) the MFIS.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds