Hi Javier and Doug,
Am 25.07.2014 19:02, schrieb Javier Martinez Canillas:
> On Fri, Jul 25, 2014 at 6:43 PM, Doug Anderson <dianders@xxxxxxxxxxxx> wrote:
>> On Fri, Jul 25, 2014 at 9:35 AM, Javier Martinez Canillas
>> <javier@xxxxxxxxxxxx> wrote:
>>> Hello Andreas,
>>>
>>> On Fri, Jul 18, 2014 at 7:20 PM, Andreas Färber <afaerber@xxxxxxx> wrote:
>>>>
>>>> + memory {
>>>> + reg = <0x40000000 0x80000000>;
>>>> + };
>>>> +
>>>> + chosen {
>>>> + };
>>>> +
>>>
>>> Is there a reason for an empty chosen node? Same for the Spring DTS.
>>
>> I know that the bootloader (U-Boot) fills this in. I'd have to double
>> check how the bootloader handles the node not being there to begin
>> with.
>
> Yes, U-Boot fills this but if the node does not exist in the FDT, it
> creates one. Take a look at fdt_chosen() in common/fdt_support.c [0].
>
> So I think it's better to just remove it since is empty.
Hm, in different context it was stated that device trees shouldn't rely
on bootloader behavior (for a /memory node on Zynq we ended up
specifying the size cell with the real value despite U-Boot overriding
it to a lesser value).
Can we instead settle on filling this node with defaults? :)
bootargs = "console=tty1"; would be my choice for Spring. Would that be
applicable for Snow as well?
Not sure how to specify that via linux,stdout-path property.
I believe this would be a follow-up patch either way.
Since there's at least two series out there trying to fiddle with
-cros-common.dtsi, including one that drops the slot sub-node of the MMC
and one that adds CPU power supply, it would be nice if we can get the
-cros-common parts sorted out and applied. Can you ack/review 1-2?
Should I squash them in a v3?
Thanks,
Andreas
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