linux-kernel - Re: [PATCH 1/4] ARM: dts: am335x-bone-common: use phandles for USB and DMA refs

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Message-ID: <535E689D.7010204@ti.com>
Date:	Mon, 28 Apr 2014 20:11:33 +0530
From:	George Cherian <george.cherian@...com>
To:	Guido Martínez <guido@...guardiasur.com.ar>,
	LKML <linux-kernel@...r.kernel.org>, <bcousson@...libre.com>,
	<tony@...mide.com>
CC:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<linux@....linux.org.uk>, <linux-omap@...r.kernel.org>,
	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Ezequiel García 
	<ezequiel@...guardiasur.com.ar>
Subject: Re: [PATCH 1/4] ARM: dts: am335x-bone-common: use phandles for USB
 and DMA refs

On 4/28/2014 7:28 PM, Guido Martínez wrote:
> Use phandles instead of unit adresses to reference usb and dma nodes.
> This makes the DT more robust and readable.
The series will give dtb build errors
Error: arch/arm/boot/dts/am335x-bone-common.dtsi:186.2-15 syntax error
FATAL ERROR: Unable to parse input tree
Error: arch/arm/boot/dts/am335x-evmsk.dts:367.2-15 syntax error
FATAL ERROR: Unable to parse input tree
make[1]: *** [arch/arm/boot/dts/am335x-bone.dtb] Error 1
make[1]: *** Waiting for unfinished jobs....
Error: arch/arm/boot/dts/am335x-evm.dts:334.2-15 syntax error
FATAL ERROR: Unable to parse input tree
make[1]: *** [arch/arm/boot/dts/am335x-evmsk.dtb] Error 1
make[1]: *** [arch/arm/boot/dts/am335x-evm.dtb] Error 1
Error: arch/arm/boot/dts/am335x-igep0033.dtsi:204.2-15 syntax error
FATAL ERROR: Unable to parse input tree
make[1]: *** [arch/arm/boot/dts/am335x-base0033.dtb] Error 1
Error: arch/arm/boot/dts/am335x-bone-common.dtsi:186.2-15 syntax error
FATAL ERROR: Unable to parse input tree
make[1]: *** [arch/arm/boot/dts/am335x-boneblack.dtb] Error 1
make: *** [dtbs] Error 2

>
> Signed-off-by: Guido Martínez <guido@...guardiasur.com.ar>
> ---
>   arch/arm/boot/dts/am335x-bone-common.dtsi | 12 ++++++------
>   1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
> index 2e7d932..b95bc9a 100644
> --- a/arch/arm/boot/dts/am335x-bone-common.dtsi
> +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
> @@ -183,28 +183,28 @@
>   &usb {
>   	status = "okay";
>   
> -	control@...10620 {
> +	&usb_ctrl_mod {
>   		status = "okay";
>   	};
>   
> -	usb-phy@...01300 {
> +	&usb0_phy {
>   		status = "okay";
>   	};
>   
> -	usb-phy@...01b00 {
> +	&usb1_phy {
>   		status = "okay";
>   	};
>   
> -	usb@...01000 {
> +	&usb0 {
>   		status = "okay";
>   	};
>   
> -	usb@...01800 {
> +	&usb1 {
>   		status = "okay";
>   		dr_mode = "host";
>   	};
>   
> -	dma-controller@...02000  {
> +	&cppi41dma  {
>   		status = "okay";
>   	};
>   };
Instead the patch should be

      diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi 
b/arch/arm/boot/dts/am335x-bone-common.dtsi
      index 2e7d932..06be20a 100644
      --- a/arch/arm/boot/dts/am335x-bone-common.dtsi
      +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
      @@ -182,31 +182,30 @@

       &usb {
              status = "okay";
      +};
      +&usb_ctrl_mod {
      +       status = "okay";
      +};

      -       control@...10620 {
      -               status = "okay";
      -       };
      -
      -       usb-phy@...01300 {
      -               status = "okay";
      -       };
      +&usb0_phy {
      +       status = "okay";
      +};

      -       usb-phy@...01b00 {
      -               status = "okay";
      -       };
      +&usb1_phy {
      +       status = "okay";
      +};

      -       usb@...01000 {
      -               status = "okay";
      -       };
      +&usb {
      +       status = "okay";
      +};

      -       usb@...01800 {
      -               status = "okay";
      -               dr_mode = "host";
      -       };
      +&usb1 {
      +       status = "okay";
      +       dr_mode = "host";
      +};

      -       dma-controller@...02000  {
      -               status = "okay";
      -       };
      +&cppi41dma  {
      +       status = "okay";
       };



-- 
-George

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