linux-kernel - Re: [PATCH v6 4/4] riscv: dts: starfive: add dma controller node

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Date:   Sun, 2 Jul 2023 00:03:10 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Walker Chen <walker.chen@...rfivetech.com>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v6 4/4] riscv: dts: starfive: add dma controller node

On Sun, Jul 02, 2023 at 12:01:29AM +0200, Aurelien Jarno wrote:
> On 2023-03-22 17:48, Walker Chen wrote:
> > Add the dma controller node for the Starfive JH7110 SoC.
> > 
> > Reviewed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
> > Signed-off-by: Walker Chen <walker.chen@...rfivetech.com>
> > ---
> >  arch/riscv/boot/dts/starfive/jh7110.dtsi | 18 ++++++++++++++++++
> >  1 file changed, 18 insertions(+)
> > 
> > diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> > index 17220576b21c..b503b6137743 100644
> > --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> > +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> > @@ -510,6 +510,24 @@
> >  			#gpio-cells = <2>;
> >  		};
> >  
> > +		dma: dma-controller@...50000 {
> > +			compatible = "starfive,jh7110-axi-dma";
> > +			reg = <0x0 0x16050000 0x0 0x10000>;
> > +			clocks = <&stgcrg JH7110_STGCLK_DMA1P_AXI>,
> > +				 <&stgcrg JH7110_STGCLK_DMA1P_AHB>;
> > +			clock-names = "core-clk", "cfgr-clk";
> > +			resets = <&stgcrg JH7110_STGRST_DMA1P_AXI>,
> > +				 <&stgcrg JH7110_STGRST_DMA1P_AHB>;
> > +			interrupts = <73>;
> > +			#dma-cells = <1>;
> > +			dma-channels = <4>;
> > +			snps,dma-masters = <1>;
> > +			snps,data-width = <3>;
> > +			snps,block-size = <65536 65536 65536 65536>;
> > +			snps,priority = <0 1 2 3>;
> > +			snps,axi-max-burst-len = <16>;
> > +		};
> > +
> >  		aoncrg: clock-controller@...00000 {
> >  			compatible = "starfive,jh7110-aoncrg";
> >  			reg = <0x0 0x17000000 0x0 0x10000>;
> 
> It appears that this patch has never been applied, although the rest of
> the series has already been merged.

Correct. I can't apply it because the stgcrg it depends on is still
pending.

> Unfortunately it doesn't apply
> anymore due to other changes to that file.
> 
> Could you please rebase and repost it?


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