linux-kernel - Re: [PATCH] dt-bindings: dma: uniphier-xdmac: switch to single reg region

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Message-ID: <20200415161739.GA72691@vkoul-mobl>
Date:   Wed, 15 Apr 2020 21:47:39 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     dmaengine@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: dma: uniphier-xdmac: switch to single reg
 region

On 01-04-20, 12:21, Masahiro Yamada wrote:
> The reg in the example "<0x5fc10000 0x1000>, <0x5fc20000 0x800>"
> is wrong. The register region of this controller is much smaller,
> and there is no other hardware register interleaved. There is no
> good reason to split it into two regions.
> 
> Just use a single, contiguous register region.
> 
> While I am here, I made the 'dma-channels' property mandatory because
> otherwise there is no way to determine the number of the channels.
> 
> Please note the original binding was merged recently. Since there
> is no user yet, this change has no actual impact.

Applied, thanks

-- 
~Vinod