Dear Gregory CLEMENT,
On Wed, 27 May 2015 12:20:49 +0200, Gregory CLEMENT wrote:
> But is it really depending of the board itself?
> I see that the first lines are the same on all the dts, I just remember that
> there was a reason why we could not put it in the dtsi.
Yes, because the DT language doesn't have a += operator, basically.
Some of the MBus ranges are inherently board-specific: when you have a
NOR flash, you need a specific MBus range for it. And such a MBus range
is board-specific.
Since it's not possible to do:
ranges = <SoC level ranges>
in .dtsi, and:
ranges += <board level ranges>
in .dts, we simply decided to always put:
ranges = <SoC level and board level ranges>
in the .dts.
It does create some duplication, but that's the best we could do with
the existing DT infrastructure.
Best regards,
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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