linux-kernel - Re: [PATCH 1/3] ASoC: sh: rz-ssi: Drop unused macros

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Message-ID: <CA+V-a8sYWv+K8_QRFFzEupWMD3i4Y9MCta-FfM2_Qv37dHNsAg@mail.gmail.com>
Date:   Mon, 25 Apr 2022 17:55:55 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        ALSA Development Mailing List <alsa-devel@...a-project.org>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        Pavel Machek <pavel@...x.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 1/3] ASoC: sh: rz-ssi: Drop unused macros

Hi Geert,

On Mon, Apr 25, 2022 at 5:14 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Mon, Apr 25, 2022 at 6:09 PM Lad, Prabhakar
> <prabhakar.csengg@...il.com> wrote:
> > On Mon, Apr 25, 2022 at 1:49 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > > On Fri, Apr 22, 2022 at 7:32 PM Lad Prabhakar
> > > <prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> > > > Drop unused macros SSIFSR_TDC and SSIFSR_RDC.
> > > >
> > > > Reported-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
> > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...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.
>
I'll go with dropping them and make it clear they were wrong.

Cheers,
Prabhakar

> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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