linux-kernel - Re: [PATCH v2] dmaengine: sh: Remove R-Mobile APE6 support

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Message-ID: <CAMuHMdX_JS6Ak3jN2wBLTRe0tCY=bhRiU1gpMG_43A0B4uCebw@mail.gmail.com>
Date:   Mon, 3 Dec 2018 15:17:36 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Vinod <vkoul@...nel.org>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Dan Williams <dan.j.williams@...el.com>,
        Guennadi Liakhovetski <g.liakhovetski@....de>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Simon Horman <horms+renesas@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, dmaengine@...r.kernel.org,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] dmaengine: sh: Remove R-Mobile APE6 support

Hi Vinod,

On Thu, Nov 29, 2018 at 3:25 PM Vinod Koul <vkoul@...nel.org> wrote:
> On 29-11-18, 12:18, Geert Uytterhoeven wrote:
> > Renesas R-Mobile APE6 support is currently unused:
> >   - DMA slaves were never enabled in r8a73a4.dtsi,
> >   - The driver relies on legacy filter matching and describing all
> >     slaves and MID/RIDs in a table, unlike modern DMA engine drivers for
> >     similar hardware like rcar-dmac,
> >   - The driver doesn't seem to work well.
> >
> > Remove the driver, it can be resurrected from git history when needed.
> >
> > As this was the last user of SH_DMAE_BASE on Renesas ARM SoCs, the
> > sh-dma-engine driver core is now used on SuperH only.
> >
> > Note that the DT bindings are still present, as r8a73a4.dtsi uses them.
>
> Sorry but this doesnt apply for me, can you please rebase on topic/sh
> and resend.

Sorry, will rebase and resend.

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