linux-kernel - Re: [PATCH v3] dmaengine: sh: Remove R-Mobile APE6 support

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Date:   Wed, 5 Dec 2018 13:02:07 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     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-soc@...r.kernel.org, linux-sh@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] dmaengine: sh: Remove R-Mobile APE6 support

On 03-12-18, 15:18, 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.

Applied, thanks

-- 
~Vinod