From: lee.jones@linaro.org (Lee Jones)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 6/6] ARM: dts: STiH407: Add B2120 board support
Date: Wed, 21 May 2014 11:02:45 +0100 [thread overview]
Message-ID: <20140521100245.GI6679@lee--X1> (raw)
In-Reply-To: <CAOesGMigF7CGtTmLMW4zbRemGaMbWs6NV6KLPFZQFYmnHc=HQw@mail.gmail.com>
> >> >> > + 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.
>
> Sorry, I meant unit-address. I.e. the portion that goes behind the @
> in the node name.
Ah yes, makes sense now, thanks.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
WARNING: multiple messages have this Message-ID (diff)
From: Lee Jones <lee.jones@linaro.org>
To: Olof Johansson <olof@lixom.net>
Cc: Maxime COQUELIN <maxime.coquelin@st.com>,
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: Wed, 21 May 2014 11:02:45 +0100 [thread overview]
Message-ID: <20140521100245.GI6679@lee--X1> (raw)
In-Reply-To: <CAOesGMigF7CGtTmLMW4zbRemGaMbWs6NV6KLPFZQFYmnHc=HQw@mail.gmail.com>
> >> >> > + 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.
>
> Sorry, I meant unit-address. I.e. the portion that goes behind the @
> in the node name.
Ah yes, makes sense now, thanks.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2014-05-21 10:02 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
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 [this message]
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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