From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/2] ARM: dts: Remove use of skeleton.dtsi from bcm283x.dtsi
Date: Wed, 3 Aug 2016 15:48:58 +0100 [thread overview]
Message-ID: <20160803144858.GA29054@leverpostej> (raw)
In-Reply-To: <1470233565-30154-1-git-send-email-ijc@hellion.org.uk>
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@hellion.org.uk>
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@arm.com>
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
>
WARNING: multiple messages have this Message-ID (diff)
From: Mark Rutland <mark.rutland@arm.com>
To: Ian Campbell <ijc@hellion.org.uk>
Cc: devicetree@vger.kernel.org, arm@kernel.org,
Stephen Warren <swarren@wwwdotorg.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Lee Jones <lee@kernel.org>, Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org, Eric Anholt <eric@anholt.net>,
Rob Herring <robh+dt@kernel.org>,
Gerd Hoffmann <kraxel@redhat.com>,
Frank Rowand <frowand.list@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-rpi-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/2] ARM: dts: Remove use of skeleton.dtsi from bcm283x.dtsi
Date: Wed, 3 Aug 2016 15:48:58 +0100 [thread overview]
Message-ID: <20160803144858.GA29054@leverpostej> (raw)
In-Reply-To: <1470233565-30154-1-git-send-email-ijc@hellion.org.uk>
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@hellion.org.uk>
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@arm.com>
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
>
WARNING: multiple messages have this Message-ID (diff)
From: Mark Rutland <mark.rutland@arm.com>
To: Ian Campbell <ijc@hellion.org.uk>
Cc: linux-arm-kernel@lists.infradead.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Eric Anholt <eric@anholt.net>,
Stephen Warren <swarren@wwwdotorg.org>,
Lee Jones <lee@kernel.org>, Gerd Hoffmann <kraxel@redhat.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org, arm@kernel.org
Subject: Re: [PATCH v2 1/2] ARM: dts: Remove use of skeleton.dtsi from bcm283x.dtsi
Date: Wed, 3 Aug 2016 15:48:58 +0100 [thread overview]
Message-ID: <20160803144858.GA29054@leverpostej> (raw)
In-Reply-To: <1470233565-30154-1-git-send-email-ijc@hellion.org.uk>
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@hellion.org.uk>
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@arm.com>
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
>
next prev parent reply other threads:[~2016-08-03 14:48 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-03 14:12 [PATCH v2 1/2] ARM: dts: Remove use of skeleton.dtsi from bcm283x.dtsi Ian Campbell
2016-08-03 14:12 ` Ian Campbell
2016-08-03 14:12 ` [PATCH v2 2/2] ARM64: dts: bcm: Use a symlink to R-Pi dtsi files from arch=arm Ian Campbell
2016-08-03 14:12 ` Ian Campbell
2016-08-03 14:54 ` Mark Rutland
2016-08-03 14:54 ` Mark Rutland
2016-08-03 14:54 ` Mark Rutland
2016-08-03 14:48 ` Mark Rutland [this message]
2016-08-03 14:48 ` [PATCH v2 1/2] ARM: dts: Remove use of skeleton.dtsi from bcm283x.dtsi Mark Rutland
2016-08-03 14:48 ` Mark Rutland
2016-08-09 10:48 ` Ian Campbell
2016-08-09 10:48 ` Ian Campbell
2016-08-09 10:48 ` Ian Campbell
2016-08-18 7:21 ` Ian Campbell
2016-08-18 7:21 ` Ian Campbell
2016-08-18 7:21 ` Ian Campbell
2016-08-18 10:23 ` Mark Rutland
2016-08-18 10:23 ` Mark Rutland
2016-08-18 10:23 ` Mark Rutland
2016-08-23 10:09 ` Arnd Bergmann
2016-08-23 10:09 ` Arnd Bergmann
2016-08-23 10:09 ` Arnd Bergmann
2016-09-09 14:45 ` Ian Campbell
2016-09-09 14:45 ` Ian Campbell
2016-09-09 14:45 ` Ian Campbell
2016-09-09 15:47 ` Arnd Bergmann
2016-09-09 15:47 ` Arnd Bergmann
2016-09-09 15:47 ` Arnd Bergmann
2016-09-09 16:21 ` Ian Campbell
2016-09-09 16:21 ` Ian Campbell
2016-08-03 16:57 ` Stefan Wahren
2016-08-03 16:57 ` Stefan Wahren
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