linux-kernel - Re: [PATCH 2/7] ARM: tegra: update device trees for USB binding rework

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Date:	Wed, 20 Mar 2013 11:31:50 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	kishon <kishon@...com>
CC:	Venu Byravarasu <vbyravarasu@...dia.com>,
	gregkh@...uxfoundation.org, stern@...land.harvard.edu,
	balbi@...com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH 2/7] ARM: tegra: update device trees for USB binding rework

On 03/20/2013 05:23 AM, kishon wrote:
> Hi,
> 
> On Monday 18 March 2013 05:59 PM, Venu Byravarasu wrote:
>> This patch updates all Tegra board files so that they contain all the
>> properties required by the updated USB DT binding. Note that this patch
>> only adds the new properties and does not yet remove the old properties,
>> in order to maintain bisectability. The old properties will be removed
>> once the driver has been updated to assume the new bindings.
>>
>> Signed-off-by: Venu Byravarasu <vbyravarasu@...dia.com>
>> ---
>>   arch/arm/boot/dts/tegra20-colibri-512.dtsi |    4 +++
>>   arch/arm/boot/dts/tegra20-harmony.dts      |    8 +++---
>>   arch/arm/boot/dts/tegra20-iris-512.dts     |    4 +++
>>   arch/arm/boot/dts/tegra20-paz00.dts        |    8 +++---
>>   arch/arm/boot/dts/tegra20-seaboard.dts     |   13 +++++++---
>>   arch/arm/boot/dts/tegra20-trimslice.dts    |   12 +++++++---
>>   arch/arm/boot/dts/tegra20-ventana.dts      |    7 +++--
>>   arch/arm/boot/dts/tegra20.dtsi             |   32
>> +++++++++++++++++----------
>>   8 files changed, 57 insertions(+), 31 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
>> b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
>> index cb73e62..af5a7ae 100644
>> --- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
>> +++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
>> @@ -443,6 +443,10 @@
>>           nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
>>       };
>>
>> +    usb-phy@...04000 {
>
> This node doesn't have a *reg* property. So "@c5004000" is not needed.
> This comment applies to all the nodes which doesn't have *reg* property.

Yes it does have a reg property.

The node itself is first defined in tegra20.dtsi, and does contain a reg
property there.

tegra20-colibri-512.dtsi (and many other files in this patch) include
tegra20.dtsi, and simply add additional board-specific properties to the
existing node, and should not re-iterate properties that already exist.
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