[U-Boot] [PATCH v3 04/11] arm: rpi: Device tree modifications for U-Boot

Stephen Warren swarren at wwwdotorg.org
Tue Aug 11 06:25:12 CEST 2015


On 08/10/2015 10:17 PM, Simon Glass wrote:
> Hi Stephen,
> 
> On 10 August 2015 at 22:00, Stephen Warren <swarren at wwwdotorg.org> wrote:
>> On 08/07/2015 07:42 AM, Simon Glass wrote:
>>> This updates the device tree from the kernel version to something suitable
>>> for U-Boot:
>>>
>>> - Add stdout-path alias for console
>>> - Mark the /soc node to be available pre-relocation so that the early serial
>>> console works (we need the 'ranges' property to be available)
>>
>> If you can get these changes into the kernel's copy of the DT, then this
>> patch is fine. If not, I don't think we should take this patch. The very
>> definition of DT is a SW-stack-agnostic data structure. Modifying it on
>> a per-SW-stack basis means we aren't doing DT, but rather something that
>> looks like DT but isn't. In that case, we shouldn't call it DT.
> 
> The "u-boot," prefix is intended to indicate that it is
> U-Boot-specific. Linux has "linux," and 800+ uses of it in the ARM
> device tree source files.
> 
> I can certainly send this patch to Linux. Given your comment above,
> will you take it?

Review of that change would have to be by the DT bindings maintainers on
the DT mailing list. Lee Jones (or perhaps Eric Anholt) owns applying
any RPi patches within Linux.


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