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

[Simon Glass]

+Tom too

On 5 October 2016 at 10:48, Fabian Vogt <fvogt at suse.com> wrote:
> 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)
> - Properties are not hardcoded in the u-boot code
> - Slightly different hardware deviations do not require significant code
>   changes (like #ifdef or even new platdatas), just a new dts and Kconfig
>   adjustments
>
> It's also mentioned in Simon Glass's talk about DM:
> https://events.linuxfoundation.org/sites/events/files/slides/Order%20at%20last%20-%20U-Boot%20driver%20model%20slides%20(2).pdf
>
>