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

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Message-ID: <0f1aafa2-7495-163b-523a-f634bacc4b1f@gpxsee.org>
Date:   Tue, 21 Feb 2023 21:46:01 +0100
From:   Martin Tůma <tumic@...see.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Lizhi Hou <lizhi.hou@....com>
Cc:     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

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/

And I'm quiet sure that more are to come when the xdma driver becomes 
finally available as the FPGA IP core is used in many more PCIe cards.

M.