Hi Peter,
> From: Peter Ujfalusi, Sent: Wednesday, August 28, 2019 4:25 PM
>
> On 28/08/2019 9.39, Yoshihiro Shimoda wrote:
> > The commit b37e3534ac42 ("dt-bindings: dmaengine: Add YAML schemas
> > for the generic DMA bindings") changed the property from
> > dma-channel-mask to dma-channel-masks. So, this patch revises it.
> >
> > Fixes: b37e3534ac42 ("dt-bindings: dmaengine: Add YAML schemas for the generic DMA bindings")
> > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> > ---
> > Documentation/devicetree/bindings/dma/dma-common.yaml | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/dma/dma-common.yaml
> b/Documentation/devicetree/bindings/dma/dma-common.yaml
> > index 0141af0..ed0a49a 100644
> > --- a/Documentation/devicetree/bindings/dma/dma-common.yaml
> > +++ b/Documentation/devicetree/bindings/dma/dma-common.yaml
> > @@ -24,7 +24,7 @@ properties:
> > description:
> > Used to provide DMA controller specific information.
> >
> > - dma-channel-masks:
> > + dma-channel-mask:
> > $ref: /schemas/types.yaml#definitions/uint32
>
> How this mask supposed to be used for controllers having more than 32
> channels (64, 300+)?
I found "dma-channels" property as 40 in arch/arm/boot/dts/ste-u300.dts.
However, since arch/arm64/boot/dts/hisilicon/hi3660.dtsi already has
the dma-channel-mask property, I think we should not change the property name.
Best regards,
Yoshihiro Shimoda
> > description:
> > Bitmask of available DMA channels in ascending order that are
> >
>
> - Péter
>
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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