linux-kernel - Re: [RESEND PATCH V12 XDMA 1/2] dmaengine: xilinx: xdma: Add xilinx xdma driver

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Message-ID: <CAMuHMdUVkbPf1a8cW+zY1HwD83tm_m0L7Ufy=GO-RQB-AF_15A@mail.gmail.com>
Date:   Tue, 21 Feb 2023 22:06:02 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Martin Tůma <tumic@...see.org>
Cc:     Lizhi Hou <lizhi.hou@....com>, vkoul@...nel.org,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        max.zhen@....com, sonal.santan@....com, larry.liu@....com,
        brian.xu@....com
Subject: Re: [RESEND PATCH V12 XDMA 1/2] dmaengine: xilinx: xdma: Add xilinx
 xdma driver

Hi Martin,

On Tue, Feb 21, 2023 at 9:45 PM Martin Tůma <tumic@...see.org> wrote:
> On 21. 02. 23 14:25, Geert Uytterhoeven wrote:
> > No platform dependencies at all, while this is a platform driver that
> > relies on some other not-yet-existing driver creating an "xdma"
> > platform device?
>
> There is at least one "already-existing" driver based on this driver
> that is waiting in the v4l2 queue for xdma - our MGB4 driver:
> https://patchwork.kernel.org/project/linux-media/patch/20230207150119.5542-2-tumic@gpxsee.org/

Thanks for the link!

As VIDEO_MGB4 selects XILINX_XDMA, perhaps XILINX_XDMA
can be made invisible, unless compile-testing?

    config XILINX_XDMA
        tristate "Xilinx DMA/Bridge Subsystem DMA Engine" if COMPILE_TEST

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