Re: [PATCH v2 1/2] ARM: dts: Remove use of skeleton.dtsi from bcm283x.dtsi

From: Mark Rutland
Date: Wed Aug 03 2016 - 11:00:52 EST


On Wed, Aug 03, 2016 at 03:12:44PM +0100, Ian Campbell wrote:
> This file is included from DTS files under arch/arm64 too (via
> broadcom/bcm2837-rpi-3-b.dts and broadcom/bcm2837.dtsi). There is a desire
> not to have skeleton.dtsi for ARM64. See commit 3ebee5a2e141 ("arm64: dts:
> kill skeleton.dtsi") for rationale for its removal.
>
> As well as the addition of #*-cells also requires adding the device_type to
> the rpi memory node explicitly.
>
> Note that this change results in the removal of an empty /aliases node from
> bcm2835-rpi-a.dtb and bcm2835-rpi-a-plus.dtb. I have no hardware to check
> if this is a problem or not.
>
> It also results in some reordering of the nodes in the DTBs (the /aliases
> and /memory nodes come later). This isn't supposed to matter but, again,
> I've no hardware to check if it is true in this particular case.
>
> Signed-off-by: Ian Campbell <ijc@xxxxxxxxxxxxxx>

I also don't have the relevant hardware to test with, but this looks
generally like the right thing. So FWIW:

Acked-by: Mark Rutland <mark.rutland@xxxxxxx>

Mark.

> diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
> index caf2707..e9b47b2 100644
> --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
> +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
> @@ -2,6 +2,7 @@
>
> / {
> memory {
> + device_type = "memory";
> reg = <0 0x10000000>;
> };
>
> diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
> index b982522..445624a 100644
> --- a/arch/arm/boot/dts/bcm283x.dtsi
> +++ b/arch/arm/boot/dts/bcm283x.dtsi
> @@ -2,7 +2,6 @@
> #include <dt-bindings/clock/bcm2835.h>
> #include <dt-bindings/clock/bcm2835-aux.h>
> #include <dt-bindings/gpio/gpio.h>
> -#include "skeleton.dtsi"
>
> /* This include file covers the common peripherals and configuration between
> * bcm2835 and bcm2836 implementations, leaving the CPU configuration to
> @@ -13,6 +12,8 @@
> compatible = "brcm,bcm2835";
> model = "BCM2835";
> interrupt-parent = <&intc>;
> + #address-cells = <1>;
> + #size-cells = <1>;
>
> chosen {
> bootargs = "earlyprintk console=ttyAMA0";
> --
> 2.8.1
>