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

From: Rob Herring
Date: Mon Jan 21 2019 - 20:13:33 EST


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@xxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Tanglei Han <hantanglei@xxxxxxxxxx>
> Cc: Zhuangluan Su <suzhuangluan@xxxxxxxxxxxxx>
> Cc: Ryan Grachek <ryan@xxxxxxxxx>
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> Cc: dmaengine@xxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
> ---
> 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@xxxxxxxxxx>