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From: maxime.coquelin@st.com (Maxime Coquelin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 6/6] ARM: dts: STiH407: Add B2120 board support
Date: Tue, 20 May 2014 09:53:57 +0200	[thread overview]
Message-ID: <537B0A15.409@st.com> (raw)
In-Reply-To: <20140520074353.GD20874@lee--X1>



On 05/20/2014 09:43 AM, Lee Jones wrote:
>>>>> +       soc {
>>>>> +               sbc_serial0: serial at 9530000 {
>>>>> +                       status = "okay";
>>>>> +               };
>>>>
>>>> You might want to consider reference-based syntax here instead, so you
>>>> don't have to mimic the hierarchy. That'd be (at the root level of the
>>>> file, below this secion:
>>>>
>>>> &sbc_serial0: {
>>>>          status = "okay";
>>>> };
>>>
>>> I'm personally not keen on this scheme.  It's sometimes helpful to know
>>> the hierarchy and I don't think it's a large overhead to format the
>>> subordinate DTS files in this way.
>>>
>>> Please consider not enforcing this.
>>
>> Definitely not enforcing it, and I didn't use to like it either but it
>> has some real upsides.
>>
>> In particular, it saves a lot of grief when you're changing something
>> like the unit-id of a node in .dtsi and forget to do the same update
>> in the dts.
>
> I'm not entirely sure what a unit-id is, but I can see that there
> would be benefits to using the referenced-based syntax as you call
> it.  If any of those benefits hold true here I won't push back, but I
> would personally like to see us default to the hierarchical scheme.


+1, I would prefer to keep the hierarchical scheme.

WARNING: multiple messages have this Message-ID (diff)
From: Maxime Coquelin <maxime.coquelin@st.com>
To: Lee Jones <lee.jones@linaro.org>, Olof Johansson <olof@lixom.net>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Russell King <linux@arm.linux.org.uk>,
	"kernel@stlinux.com" <kernel@stlinux.com>,
	Pawel Moll <pawel.moll@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Linus Walleij <linus.walleij@linaro.org>,
	Srinivas Kandagatla <srinivas.kandagatla@st.com>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Stuart Menefy <stuart.menefy@st.com>,
	Rob Herring <robh+dt@kernel.org>, Rob Landley <rob@landley.net>,
	Kumar Gala <galak@codeaurora.org>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v4 6/6] ARM: dts: STiH407: Add B2120 board support
Date: Tue, 20 May 2014 09:53:57 +0200	[thread overview]
Message-ID: <537B0A15.409@st.com> (raw)
In-Reply-To: <20140520074353.GD20874@lee--X1>



On 05/20/2014 09:43 AM, Lee Jones wrote:
>>>>> +       soc {
>>>>> +               sbc_serial0: serial@9530000 {
>>>>> +                       status = "okay";
>>>>> +               };
>>>>
>>>> You might want to consider reference-based syntax here instead, so you
>>>> don't have to mimic the hierarchy. That'd be (at the root level of the
>>>> file, below this secion:
>>>>
>>>> &sbc_serial0: {
>>>>          status = "okay";
>>>> };
>>>
>>> I'm personally not keen on this scheme.  It's sometimes helpful to know
>>> the hierarchy and I don't think it's a large overhead to format the
>>> subordinate DTS files in this way.
>>>
>>> Please consider not enforcing this.
>>
>> Definitely not enforcing it, and I didn't use to like it either but it
>> has some real upsides.
>>
>> In particular, it saves a lot of grief when you're changing something
>> like the unit-id of a node in .dtsi and forget to do the same update
>> in the dts.
>
> I'm not entirely sure what a unit-id is, but I can see that there
> would be benefits to using the referenced-based syntax as you call
> it.  If any of those benefits hold true here I won't push back, but I
> would personally like to see us default to the hierarchical scheme.


+1, I would prefer to keep the hierarchical scheme.

WARNING: multiple messages have this Message-ID (diff)
From: Maxime Coquelin <maxime.coquelin@st.com>
To: Lee Jones <lee.jones@linaro.org>, Olof Johansson <olof@lixom.net>
Cc: Rob Landley <rob@landley.net>, Rob Herring <robh+dt@kernel.org>,
	Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Russell King <linux@arm.linux.org.uk>,
	Srinivas Kandagatla <srinivas.kandagatla@st.com>,
	Stuart Menefy <stuart.menefy@st.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"kernel@stlinux.com" <kernel@stlinux.com>
Subject: Re: [PATCH v4 6/6] ARM: dts: STiH407: Add B2120 board support
Date: Tue, 20 May 2014 09:53:57 +0200	[thread overview]
Message-ID: <537B0A15.409@st.com> (raw)
In-Reply-To: <20140520074353.GD20874@lee--X1>



On 05/20/2014 09:43 AM, Lee Jones wrote:
>>>>> +       soc {
>>>>> +               sbc_serial0: serial@9530000 {
>>>>> +                       status = "okay";
>>>>> +               };
>>>>
>>>> You might want to consider reference-based syntax here instead, so you
>>>> don't have to mimic the hierarchy. That'd be (at the root level of the
>>>> file, below this secion:
>>>>
>>>> &sbc_serial0: {
>>>>          status = "okay";
>>>> };
>>>
>>> I'm personally not keen on this scheme.  It's sometimes helpful to know
>>> the hierarchy and I don't think it's a large overhead to format the
>>> subordinate DTS files in this way.
>>>
>>> Please consider not enforcing this.
>>
>> Definitely not enforcing it, and I didn't use to like it either but it
>> has some real upsides.
>>
>> In particular, it saves a lot of grief when you're changing something
>> like the unit-id of a node in .dtsi and forget to do the same update
>> in the dts.
>
> I'm not entirely sure what a unit-id is, but I can see that there
> would be benefits to using the referenced-based syntax as you call
> it.  If any of those benefits hold true here I won't push back, but I
> would personally like to see us default to the hierarchical scheme.


+1, I would prefer to keep the hierarchical scheme.

  reply	other threads:[~2014-05-20  7:53 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-12  8:50 [PATCH v4 0/6] Add STiH407 SoC and reference board support Maxime COQUELIN
2014-03-12  8:50 ` Maxime COQUELIN
2014-03-12  8:50 ` [PATCH v4 1/6] ARM: STi: Add STiH407 SoC support Maxime COQUELIN
2014-03-12  8:50   ` Maxime COQUELIN
2014-03-12  9:37   ` Lee Jones
2014-03-12  9:37     ` Lee Jones
2014-03-12  8:50 ` [PATCH v4 2/6] pinctrl: st: Enhance the controller to manage unavailable registers Maxime COQUELIN
2014-03-12  8:50   ` Maxime COQUELIN
2014-03-12  9:38   ` Lee Jones
2014-03-12  9:38     ` Lee Jones
2014-03-12 14:16   ` Linus Walleij
2014-03-12 14:16     ` Linus Walleij
2014-03-12 14:16     ` Linus Walleij
2014-03-12  8:50 ` [PATCH v4 3/6] pinctrl: st: add pinctrl support for the STiH407 SoC Maxime COQUELIN
2014-03-12  8:50   ` Maxime COQUELIN
2014-03-12 14:17   ` Linus Walleij
2014-03-12 14:17     ` Linus Walleij
2014-03-12 14:17     ` Linus Walleij
2014-03-12  8:50 ` [PATCH v4 4/6] pinctrl: st: Use ARRAY_SIZE instead of raw value for number of delays Maxime COQUELIN
2014-03-12  8:50   ` Maxime COQUELIN
2014-03-12  9:39   ` Lee Jones
2014-03-12  9:39     ` Lee Jones
2014-03-12 14:19   ` Linus Walleij
2014-03-12 14:19     ` Linus Walleij
2014-03-12 14:25   ` Joe Perches
2014-03-12 14:25     ` Joe Perches
2014-03-14  9:20     ` Linus Walleij
2014-03-14  9:20       ` Linus Walleij
2014-03-14  9:44       ` Maxime Coquelin
2014-03-14  9:44         ` Maxime Coquelin
2014-03-14  9:44         ` Maxime Coquelin
2014-03-14  9:46         ` srinivas kandagatla
2014-03-14  9:46           ` srinivas kandagatla
2014-03-14  9:46           ` srinivas kandagatla
2014-03-12  8:50 ` [PATCH v4 5/6] ARM: dts: Add STiH407 SoC support Maxime COQUELIN
2014-03-12  8:50   ` Maxime COQUELIN
2014-05-13 12:04   ` [STLinux Kernel] " Patrice Chotard
2014-05-13 12:04     ` Patrice Chotard
2014-05-13 12:04     ` Patrice Chotard
2014-03-12  8:50 ` [PATCH v4 6/6] ARM: dts: STiH407: Add B2120 board support Maxime COQUELIN
2014-03-12  8:50   ` Maxime COQUELIN
2014-05-13 12:05   ` [STLinux Kernel] " Patrice Chotard
2014-05-13 12:05     ` Patrice Chotard
2014-05-13 12:05     ` Patrice Chotard
2014-05-20  6:18   ` Olof Johansson
2014-05-20  6:18     ` Olof Johansson
2014-05-20  6:18     ` Olof Johansson
2014-05-20  7:20     ` Lee Jones
2014-05-20  7:20       ` Lee Jones
2014-05-20  7:20       ` Lee Jones
2014-05-20  7:24       ` Olof Johansson
2014-05-20  7:24         ` Olof Johansson
2014-05-20  7:43         ` Lee Jones
2014-05-20  7:43           ` Lee Jones
2014-05-20  7:43           ` Lee Jones
2014-05-20  7:53           ` Maxime Coquelin [this message]
2014-05-20  7:53             ` Maxime Coquelin
2014-05-20  7:53             ` Maxime Coquelin
2014-05-20 22:10           ` Olof Johansson
2014-05-20 22:10             ` Olof Johansson
2014-05-21 10:02             ` Lee Jones
2014-05-21 10:02               ` Lee Jones
2014-05-20  8:27     ` Maxime Coquelin
2014-05-20  8:27       ` Maxime Coquelin
2014-05-20  8:27       ` Maxime Coquelin
2014-03-12 14:20 ` [PATCH v4 0/6] Add STiH407 SoC and reference " Linus Walleij
2014-03-12 14:20   ` Linus Walleij
2014-03-12 15:26   ` Maxime Coquelin
2014-03-12 15:26     ` Maxime Coquelin
2014-03-12 15:26     ` Maxime Coquelin
2014-03-14 10:14     ` Linus Walleij
2014-03-14 10:14       ` Linus Walleij
2014-03-14 10:14       ` Linus Walleij
2014-04-22 12:17       ` Maxime Coquelin
2014-04-22 12:17         ` Maxime Coquelin
2014-04-22 12:17         ` Maxime Coquelin

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