Re: [PATCH v2 04/11] arm64: dts: Initial DTS files for Broadcom Stingray SOC

[Scott Branden]

On 17-05-15 06:13 AM, Mark Rutland wrote:
> Hi,
>
> On Mon, May 15, 2017 at 05:32:14PM +0530, Anup Patel wrote:
> > +/ {
> > +	chosen { /* Default kernel args */
> > +		bootargs = "root=/dev/ram rw rootwait \
> > +			    earlycon=uart8250,mmio32,0x68a10000 \
> > +			    pci=pcie_bus_safe cma=64M";
>
> Why do we need all of these?
Agreed - we don't need the default kernels args here - they are passed 
in by bootloader as needed.
> > +		linux,stdout-path = "serial0:115200n8";
>
> Please drop the 'linux,' prefix here.
>
> [...]
>
> > +	memory: memory@80000000 {
> > +		device_type = "memory";
> > +		reg = <0x00000000 0x80000000 0 0x40000000>;
> > +	};
> > +
> > +	psci {
> > +		compatible = "arm,psci-0.2";
> > +		method = "smc";
> > +	};
> > +
> > +	pmu {
> > +		compatible = "arm,armv8-pmuv3";
> > +		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
> > +	};
> > +
> > +	timer {
> > +		compatible = "arm,armv8-timer";
> > +		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) |
> > +			      IRQ_TYPE_LEVEL_LOW)>,
> > +			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) |
> > +			      IRQ_TYPE_LEVEL_LOW)>,
> > +			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) |
> > +			      IRQ_TYPE_LEVEL_LOW)>,
> > +			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) |
> > +			      IRQ_TYPE_LEVEL_LOW)>;
>
> GICv3 PPIs don't have a mask. See
>
> Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
>
> Please remove the GIC_CPU_MASK_*() uses here and in this dts. They
> shouldn't be there.
>
> Thanks,
> Mark.