2022-05-02 23:51:10

by Michal Simek

[permalink] [raw]
Subject: Re: [PATCH v2 1/9] ARM: dts: zynq-7000: drop useless 'dma-channels/requests' properties



On 4/30/22 14:18, Krzysztof Kozlowski wrote:
> The pl330 DMA controller provides number of DMA channels and requests
> through its registers, so duplicating this information (with a chance of
> mistakes) in DTS is pointless. Additionally the DTS used always wrong
> property names which causes DT schema check failures - the bindings
> documented 'dma-channels' and 'dma-requests' properties without leading
> hash sign.
>
> Reported-by: Rob Herring <[email protected]>
> Signed-off-by: Krzysztof Kozlowski <[email protected]>
>
> ---
>
> Not adding acquired review tag because of significant change.
> ---
> arch/arm/boot/dts/zynq-7000.dtsi | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index 47c2a4b14c06..c193264a86ff 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -343,8 +343,6 @@ dmac_s: dmac@f8003000 {
> <0 40 4>, <0 41 4>,
> <0 42 4>, <0 43 4>;
> #dma-cells = <1>;
> - #dma-channels = <8>;
> - #dma-requests = <4>;
> clocks = <&clkc 27>;
> clock-names = "apb_pclk";
> };

Acked-by: Michal Simek <[email protected]>

If you can take it via your tree that would be great (easier for me than sending
pull request with just one patch) but I can also take it.

Thanks,
Michal


2022-05-03 01:18:36

by Krzysztof Kozlowski

[permalink] [raw]
Subject: Re: [PATCH v2 1/9] ARM: dts: zynq-7000: drop useless 'dma-channels/requests' properties

On 02/05/2022 09:27, Michal Simek wrote:
>
>
> On 4/30/22 14:18, Krzysztof Kozlowski wrote:
>> The pl330 DMA controller provides number of DMA channels and requests
>> through its registers, so duplicating this information (with a chance of
>> mistakes) in DTS is pointless. Additionally the DTS used always wrong
>> property names which causes DT schema check failures - the bindings
>> documented 'dma-channels' and 'dma-requests' properties without leading
>> hash sign.
>>
>> Reported-by: Rob Herring <[email protected]>
>> Signed-off-by: Krzysztof Kozlowski <[email protected]>
>>
>> ---
>>
>> Not adding acquired review tag because of significant change.
>> ---
>> arch/arm/boot/dts/zynq-7000.dtsi | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
>> index 47c2a4b14c06..c193264a86ff 100644
>> --- a/arch/arm/boot/dts/zynq-7000.dtsi
>> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
>> @@ -343,8 +343,6 @@ dmac_s: dmac@f8003000 {
>> <0 40 4>, <0 41 4>,
>> <0 42 4>, <0 43 4>;
>> #dma-cells = <1>;
>> - #dma-channels = <8>;
>> - #dma-requests = <4>;
>> clocks = <&clkc 27>;
>> clock-names = "apb_pclk";
>> };
>
> Acked-by: Michal Simek <[email protected]>
>
> If you can take it via your tree that would be great (easier for me than sending
> pull request with just one patch) but I can also take it.

Thanks, I will take it.


Best regards,
Krzysztof