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Message-ID: <20140623150407.GA6553@lunn.ch>
Date: Mon, 23 Jun 2014 17:04:07 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc: Jason Cooper <jason@...edaemon.net>, Andrew Lunn <andrew@...n.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
sergei.shtylyov@...entembedded.com,
Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
linux-arm-kernel@...ts.infradead.org,
Grant Likely <grant.likely@...aro.org>,
Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: mvebu: Fix the improper use of the compatible
string armada38x using a wildcard
On Mon, Jun 23, 2014 at 04:16:51PM +0200, Gregory CLEMENT wrote:
> Wildcards in compatible strings should be avoid. "marvell,armada38x"
> was recently introduced but was not yet used.
>
> The armada 385 SoC is a superset of the armada 380 SoC (with more CPUs
> and more PCIe slots). So this patch replaces the use of
> "marvell,armada38x" by the "marvell,armada380" string.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
Acked-by: Andrew Lunn <andrew@...n.ch>
> ---
> Hi,
>
> This fix should be merged in 3.16 and maybe sent as a fix for 3.15
> too.
>
> The initial patch (ARM: mvebu: Fix missing binding documentation for
> Armada 38x) was re-written after the review about the use of the
> wildcards here:
> http://thread.gmane.org/gmane.linux.kernel/1728755/focus=79339 and
> there:
> http://thread.gmane.org/gmane.linux.ports.arm.kernel/334225/focus=334311
>
>
> Thanks,
> Gregory
>
> Documentation/devicetree/bindings/arm/armada-38x.txt | 14 ++++++++++++--
> arch/arm/boot/dts/armada-380.dtsi | 2 +-
> arch/arm/boot/dts/armada-385-db.dts | 2 +-
> arch/arm/boot/dts/armada-385-rd.dts | 2 +-
> arch/arm/boot/dts/armada-385.dtsi | 2 +-
> arch/arm/boot/dts/armada-38x.dtsi | 2 +-
> 6 files changed, 17 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/arm/armada-38x.txt b/Documentation/devicetree/bindings/arm/armada-38x.txt
> index 11f2330a6554..ad9f8ed4d9bd 100644
> --- a/Documentation/devicetree/bindings/arm/armada-38x.txt
> +++ b/Documentation/devicetree/bindings/arm/armada-38x.txt
> @@ -6,5 +6,15 @@ following property:
>
> Required root node property:
>
> - - compatible: must contain either "marvell,armada380" or
> - "marvell,armada385" depending on the variant of the SoC being used.
> + - compatible: must contain "marvell,armada380"
> +
> +In addition, boards using the Marvell Armada 385 SoC shall have the
> +following property before the previous one:
> +
> +Required root node property:
> +
> +compatible: must contain "marvell,armada385"
> +
> +Example:
> +
> +compatible = "marvell,a385-rd", "marvell,armada385", "marvell,armada380";
> diff --git a/arch/arm/boot/dts/armada-380.dtsi b/arch/arm/boot/dts/armada-380.dtsi
> index e69bc6759c39..4173a8ab34e7 100644
> --- a/arch/arm/boot/dts/armada-380.dtsi
> +++ b/arch/arm/boot/dts/armada-380.dtsi
> @@ -16,7 +16,7 @@
>
> / {
> model = "Marvell Armada 380 family SoC";
> - compatible = "marvell,armada380", "marvell,armada38x";
> + compatible = "marvell,armada380";
>
> cpus {
> #address-cells = <1>;
> diff --git a/arch/arm/boot/dts/armada-385-db.dts b/arch/arm/boot/dts/armada-385-db.dts
> index ff9637dd8d0f..4be6a2838a41 100644
> --- a/arch/arm/boot/dts/armada-385-db.dts
> +++ b/arch/arm/boot/dts/armada-385-db.dts
> @@ -16,7 +16,7 @@
>
> / {
> model = "Marvell Armada 385 Development Board";
> - compatible = "marvell,a385-db", "marvell,armada385", "marvell,armada38x";
> + compatible = "marvell,a385-db", "marvell,armada385", "marvell,armada380";
>
> chosen {
> bootargs = "console=ttyS0,115200 earlyprintk";
> diff --git a/arch/arm/boot/dts/armada-385-rd.dts b/arch/arm/boot/dts/armada-385-rd.dts
> index 40893255a3f0..aaca2861dc87 100644
> --- a/arch/arm/boot/dts/armada-385-rd.dts
> +++ b/arch/arm/boot/dts/armada-385-rd.dts
> @@ -17,7 +17,7 @@
>
> / {
> model = "Marvell Armada 385 Reference Design";
> - compatible = "marvell,a385-rd", "marvell,armada385", "marvell,armada38x";
> + compatible = "marvell,a385-rd", "marvell,armada385", "marvell,armada380";
>
> chosen {
> bootargs = "console=ttyS0,115200 earlyprintk";
> diff --git a/arch/arm/boot/dts/armada-385.dtsi b/arch/arm/boot/dts/armada-385.dtsi
> index f011009bf4cf..6283d7912f71 100644
> --- a/arch/arm/boot/dts/armada-385.dtsi
> +++ b/arch/arm/boot/dts/armada-385.dtsi
> @@ -16,7 +16,7 @@
>
> / {
> model = "Marvell Armada 385 family SoC";
> - compatible = "marvell,armada385", "marvell,armada38x";
> + compatible = "marvell,armada385", "marvell,armada380";
>
> cpus {
> #address-cells = <1>;
> diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
> index 3de364e81b52..689fa1a46728 100644
> --- a/arch/arm/boot/dts/armada-38x.dtsi
> +++ b/arch/arm/boot/dts/armada-38x.dtsi
> @@ -20,7 +20,7 @@
>
> / {
> model = "Marvell Armada 38x family SoC";
> - compatible = "marvell,armada38x";
> + compatible = "marvell,armada380";
>
> aliases {
> gpio0 = &gpio0;
> --
> 1.8.1.2
>
--
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