Re: [PATCHv3 1/2] ARM: msm: Add support for APQ8074 Dragonboard

From: Kumar Gala
Date: Mon Sep 09 2013 - 15:48:13 EST



On Sep 9, 2013, at 2:29 PM, Stephen Warren wrote:

> On 09/09/2013 01:17 PM, Kumar Gala wrote:
>>
>> On Sep 9, 2013, at 12:48 PM, Rohit Vaswani wrote:
>>
>>> On 9/6/2013 2:50 PM, Olof Johansson wrote:
>>>> Hi,
>>>>
>>>> Some comments below.
>>>>
>>>> On Fri, Sep 06, 2013 at 12:32:22PM -0700, Rohit Vaswani wrote:
>>>>> This patch adds basic board support for APQ8074 Dragonboard
>>>>> <snip>
>>>>> dtb-$(CONFIG_ARCH_MSM) += msm8660-surf.dtb \
>>>>> - msm8960-cdp.dtb
>>>>> + msm8960-cdp.dtb \
>>>>> + apq8074-dragonboard.dtb
>>>> Please add boards alphabetically.
>>> Will do.
>>>>
>>>>> dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \
>>>>> armada-370-mirabox.dtb \
>>>>> armada-370-rd.dtb \
>>>>> diff --git a/arch/arm/boot/dts/apq8074-dragonboard.dts b/arch/arm/boot/dts/apq8074-dragonboard.dts
>>>>> new file mode 100644
>>>>> index 0000000..5b7b6a0
>>>>> --- /dev/null
>>>>> +++ b/arch/arm/boot/dts/apq8074-dragonboard.dts
>>>> arch/arm/boot/dts/ is getting really crowded. It's been working best if the SoC
>>>> family or vendor is used as a prefix to keep things a bit more organized. In
>>>> that spirit, prefixing these with msm-<foo> makes sense. Can you please do so?
>>>
>>> Sure. But the board is called an APQ8074 and we wanted to keep the naming consistent with that.
>>
>> If we do this we should use qcom, not msm as the prefix. Match the device tree vendor prefix.
>
> Hmm. It'd be nice for the filenames to be ${soc}-${board} so that e.g.
> U-Boot can easily calculate the DTB filename based on its soc/board
> environment variables... Luckily in my case for Tegra, all the Tegra
> chip names start with "Tegra", so we already sort all our DTB filenames
> together in the directory listing:-)

u-boot's not supported on MSM platforms, so not sure what purpose this serves.

we might want to just introduce vendor dirs so its arch/arm/boot/dts/{vendor}/{soc}-{board}

Not sure if we want to argue about {vendor} vs {sub-arch}.

- k
--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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