linux-kernel - Re: [PATCH 2/8 v4] Documentation: bindings: dma: Add binding for dma-channel-mask

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Message-ID: <20190122011328.GA1422@bogus>
Date:   Mon, 21 Jan 2019 19:13:28 -0600
From:   Rob Herring <robh@...nel.org>
To:     John Stultz <john.stultz@...aro.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        John Stultz <john.stultz@...aro.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>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/8 v4] Documentation: bindings: dma: Add binding for
 dma-channel-mask

On Wed, 16 Jan 2019 09:10:23 -0800, John Stultz 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.
> 
> This follows the pre-existing bcm,dma-channel-mask binding.
> 
> 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
> v4: Reworked to generic dma-channel-mask
> ---
>  Documentation/devicetree/bindings/dma/dma.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 

Reviewed-by: Rob Herring <robh@...nel.org>