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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Mon, 25 Apr 2022 18:13:57 +0200
Message-ID: <CAMuHMdXHqn5_segVMhn_biEXnOSyaLpPfv4jkFp2uxv-=bfqew@mail.gmail.com>
Subject: Re: [PATCH 1/3] ASoC: sh: rz-ssi: Drop unused macros
To:     "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
        Mark Brown <broonie@kernel.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.com>,
        ALSA Development Mailing List <alsa-devel@alsa-project.org>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>,
        Pavel Machek <pavel@denx.de>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        Biju Das <biju.das.jz@bp.renesas.com>
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Hi Prabhakar,

On Mon, Apr 25, 2022 at 6:09 PM Lad, Prabhakar
<prabhakar.csengg@gmail.com> wrote:
> On Mon, Apr 25, 2022 at 1:49 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > On Fri, Apr 22, 2022 at 7:32 PM Lad Prabhakar
> > <prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> > > Drop unused macros SSIFSR_TDC and SSIFSR_RDC.
> > >
> > > Reported-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
> > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> >
> > Thanks for your patch!
> >
> > What does this fix?
> > Is the real issue that there are 32 FIFO entries, and the TDC and RDC
> > fields are 6 bits wide, while the mask uses 0x1f instead of 0x3f?
> >
> I was in two minds here as you have already spotted the masks are
> incorrect, instead of fixing the masks I choose to drop the macros
> itself as they were not used. Let me know what are your thoughts on
> this.

IC.

I don't have a preference.
So please either remove them, and make it clear they were wrong,
so no one is tempted to just revert the removal to start using the
definitions, or either keep them, and fix the definitions.

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