linux-kernel - Re: [PATCH v2 2/4] dmaengine: rcar-dmac: Add for_each_rcar_dmac

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Message-ID: <20210126161836.GA928@ninjato>
Date:   Tue, 26 Jan 2021 17:18:36 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/4] dmaengine: rcar-dmac: Add
 for_each_rcar_dmac_chan() helper

On Mon, Jan 25, 2021 at 03:24:29PM +0100, Geert Uytterhoeven wrote:
> Add and helper macro for iterating over all DMAC channels, taking into
> account the channel mask.  Use it where appropriate, to simplify code.
> 
> Restore "reverse Christmas tree" order of local variables while adding a
> new variable.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Looks good and works fine with I2C + DMA on V3U:

Reviewed-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@...g-engineering.com>


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