linux-kernel - Re: [PATCH v5 2/2] arm64: dts: Add Mediatek SoC MT2712 and evaluation board dts and Makefile

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Message-ID: <1501847363.27655.2.camel@mtksdaap41>
Date:   Fri, 4 Aug 2017 19:49:23 +0800
From:   YT Shen <yt.shen@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>
CC:     Yingjoe Chen <yingjoe.chen@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        <devicetree@...r.kernel.org>, Jason Cooper <jason@...edaemon.net>,
        <srv_heupstream@...iatek.com>, Marc Zyngier <marc.zyngier@....com>,
        "Catalin Marinas" <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        <linux-kernel@...r.kernel.org>,
        Mars Cheng <mars.cheng@...iatek.com>,
        <linux-serial@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-mediatek@...ts.infradead.org>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5 2/2] arm64: dts: Add Mediatek SoC MT2712 and
 evaluation board dts and Makefile

On Tue, 2017-08-01 at 14:46 +0200, Matthias Brugger wrote:
> 
> On 08/01/2017 10:51 AM, Yingjoe Chen wrote:
> > On Fri, 2017-07-28 at 19:37 +0800, YT Shen wrote:
> >> diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> >> new file mode 100644
> >> index 0000000..1e135af
> >> --- /dev/null
> >> +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> > 
> > <...>
> > 
> >> +	timer {
> >> +		compatible = "arm,armv8-timer";
> >> +		interrupt-parent = <&gic>;
> >> +		interrupts = <GIC_PPI 13
> >> +			      (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_LOW)>,
> >> +			     <GIC_PPI 14
> >> +			      (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_LOW)>,
> >> +			     <GIC_PPI 11
> >> +			      (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_LOW)>,
> >> +			     <GIC_PPI 10
> >> +			      (GIC_CPU_MASK_RAW(0x13) | IRQ_TYPE_LEVEL_LOW)>;
> >> +	};
> >> +
> >> +	soc {
> >> +		#address-cells = <2>;
> >> +		#size-cells = <2>;
> >> +		compatible = "simple-bus";
> >> +		ranges;
> > 
> > Matthias,
> > 
> > I notice this have soc node.
> > Do we need to get rid of it?
> > 
> 
> Good catch. Yes please get rid of it. We should avoid artificial bus nodes. As 
> soc is no real bus, we should get rid of it.

OK, we will remove the soc node and send a new version.
Thanks.

> 
> Thanks,
> Matthias