[U-Boot] [PATCH 0/9] Switch bcm283x platform to use OF_CONTROL

Alexander Graf agraf at suse.de
Wed Oct 5 22:28:36 CEST 2016



> Am 05.10.2016 um 18:48 schrieb Fabian Vogt <fvogt at suse.com>:
> 
> Hi,
> 
> Am Mittwoch, 5. Oktober 2016, 09:54:46 CEST schrieb Stephen Warren:
>> On 09/26/2016 06:26 AM, Fabian Vogt wrote:
>>> This patch series modifies the used drivers to work with OF_CONTROL
>>> and switches the board code and configs to use it.
>>> The added device trees are directly from the linux kernel tree
>>> and can thus be used for booting the (upstream) kernel.
>> 
>> Is there a user-visible or developer-visible benefit to this change? In 
>> general, converting to use DT to instantiate devices simply ends up 
>> using more code (and hence complexity and time) to get to the exact same 
>> state afterwards.
> 
> There are various reasons, like:
> 
> - The device tree describes the platform, so it can also be used by the
>  linux kernel for configuration (no separate dtb needed)

With a bit of lobbying, we might even be able to get a working dt from the rpi firmware. That again would enable awesome things like hat support in u-boot :).


Alex



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