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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Tue, 19 Jan 2021 08:59:02 +0100
Message-ID: <CAMuHMdU4AyL=tWU5p5rZOGBet1BtpG3H2mnwcO0du29-dmK34w@mail.gmail.com>
Subject: Re: [PATCH v2] drivers/soc/litex: Add restart handler
To:     Stafford Horne <shorne@gmail.com>
Cc:     Karol Gugala <kgugala@antmicro.com>,
        Mateusz Holenko <mholenko@antmicro.com>,
        Gabriel Somlo <gsomlo@gmail.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-riscv <linux-riscv@lists.infradead.org>
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Hi Stafford,

On Mon, Jan 18, 2021 at 10:16 PM Stafford Horne <shorne@gmail.com> wrote:
> On Mon, Jan 18, 2021 at 01:27:32PM +0100, Geert Uytterhoeven wrote:
> > On Mon, Jan 18, 2021 at 12:43 PM Stafford Horne <shorne@gmail.com> wrote:
> > > On Thu, Jan 14, 2021 at 02:48:49PM +0100, Geert Uytterhoeven wrote:
> > > > On Thu, Jan 14, 2021 at 3:03 AM Stafford Horne <shorne@gmail.com> wrote:
> > > > > On Mon, Jan 04, 2021 at 05:49:03PM +0100, Geert Uytterhoeven wrote:
> > > > > > On Mon, Jan 4, 2021 at 5:45 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > > > > > > Let the LiteX SoC Controller a register a restart handler, which resets
>
> I think there is a typo here:
>
>   Let the LiteX SoC Controller a register a restart ...
>
> should remove the first 'a' and say
>
>  Let the LiteX SoC Controller register a restart ...
>
> > > > > > > the LiteX SoC by writing 1 to CSR_CTRL_RESET_ADDR.
> > > > > > >
> > > > > > > Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> > > > > > > ---
> > > > > > > Tested with linux-on-litex-vexriscv.
> > > > > > >
> > > > > > > This patch is based on upstream, i.e. not on top of Gabriel Somlo's
> > > > > > > "[PATCH v5 0/4] drivers/soc/litex: support 32-bit subregisters, 64-bit
> > > > > > > CPUs"
> > > > > > > (https://lore.kernel.org/lkml/20201227161320.2194830-1-gsomlo@gmail.com/)
> > > > > >
> > > > > > Bummer, and that's why the RESET_REG_* definitions are no longer
> > > > > > next to the SCRATCH_REG_* definitions :-(
> > > > >
> > > > > If it helps I have accepted Gabriel's patches and put them onto for-next.
> > > > >
> > > > >   https://github.com/openrisc/linux/commits/for-next
> > > > >
> > > > > I am happy to take and test a patch based on that.  Or I can do the adjustments
> > > > > to base the patch on that myself.  Let me know.
> > > >
> > > > Thanks for letting me know! V3 sent.
> > >
> > > Hi Geert,
> > >
> > > I don't seem to see v3 anywhere.  Where did you send it and what is the subject?
> >
> > https://lore.kernel.org/linux-riscv/20210114134813.2238587-1-geert@linux-m68k.org/
> >
> > So "b4 am 20210114134813.2238587-1-geert@linux-m68k.org" should give you
> > a copy.
>
> Thanks I got it, I am not sure why it does not show up in my inbox anywhere,
> sometimes gmail drops mails.  Hence, I am replying here.

You may want to add a rule to never mark as spam emails with "PATCH"
in the subject.  And check your spam folder regularly, and teach gmail by
marking non-spam as non-spam.

> As per the typo above I can fix during applying or you could send during a v4.
>
> One more small nit is that you move soc_ctrl_dev out to a static instance it
> might help to mention.  But it's easy to see why.

Found a way to get rid of it.  Will send v4 shortly.

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