linux-kernel - Re: [PATCH 2/8 v3] Documentation: bindings: k3dma: Add binding for hisi-dma-avail-chan

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Message-ID: <CAL_Jsq+2dYaCzLSr8n4W=ftSjgmKJaUqwQ4S7qv7ZAaR2A-5XQ@mail.gmail.com>
Date:   Fri, 11 Jan 2019 13:58:28 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     John Stultz <john.stultz@...aro.org>
Cc:     lkml <linux-kernel@...r.kernel.org>, Vinod Koul <vkoul@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Tanglei Han <hantanglei@...wei.com>,
        Zhuangluan Su <suzhuangluan@...ilicon.com>,
        Ryan Grachek <ryan@...ted.us>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        "open list:DMA GENERIC OFFLOAD ENGINE SUBSYSTEM" 
        <dmaengine@...r.kernel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/8 v3] Documentation: bindings: k3dma: Add binding for hisi-dma-avail-chan

On Thu, Jan 10, 2019 at 11:34 AM John Stultz <john.stultz@...aro.org> wrote:
>
> Some dma channels can be reserved for secure mode or other
> hardware on the SoC, so provide a binding for a bitmask
> listing the available channels for the kernel to use.
>
> Cc: Vinod Koul <vkoul@...nel.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Tanglei Han <hantanglei@...wei.com>
> Cc: Zhuangluan Su <suzhuangluan@...ilicon.com>
> Cc: Ryan Grachek <ryan@...ted.us>
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Cc: dmaengine@...r.kernel.org
> Cc: devicetree@...r.kernel.org
> Signed-off-by: John Stultz <john.stultz@...aro.org>
> ---
> v3: Renamed to hisi-dma-avail-chan
> ---
>  Documentation/devicetree/bindings/dma/k3dma.txt | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt
> index 10a2f15..38825d4 100644
> --- a/Documentation/devicetree/bindings/dma/k3dma.txt
> +++ b/Documentation/devicetree/bindings/dma/k3dma.txt
> @@ -14,6 +14,9 @@ Required properties:
>                 have specific request line
>  - clocks: clock required
>
> +Optional properties:
> +- hisi-dma-avail-chan: Bitmask of available physical channels

Not quite right. Should be: hisilicon,dma-avail-chan