Re: [PATCH 0/2] Devicetree support for UML

From: Richard Weinberger
Date: Tue Dec 21 2021 - 16:13:08 EST


----- Ursprüngliche Mail -----
> Von: "Johannes Berg" <johannes@xxxxxxxxxxxxxxxx>
> An: "richard" <richard@xxxxxx>, "Vincent Whitchurch" <vincent.whitchurch@xxxxxxxx>
> CC: "Jeff Dike" <jdike@xxxxxxxxxxx>, "anton ivanov" <anton.ivanov@xxxxxxxxxxxxxxxxxx>, "kernel" <kernel@xxxxxxxx>,
> "linux-kernel" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-um" <linux-um@xxxxxxxxxxxxxxxxxxx>, "devicetree"
> <devicetree@xxxxxxxxxxxxxxx>
> Gesendet: Dienstag, 21. Dezember 2021 21:56:50
> Betreff: Re: [PATCH 0/2] Devicetree support for UML

> On Tue, 2021-12-21 at 21:55 +0100, Richard Weinberger wrote:
>> Vincent,
>>
>> ----- Ursprüngliche Mail -----
>> > Von: "Vincent Whitchurch" <vincent.whitchurch@xxxxxxxx>
>> > An: "Jeff Dike" <jdike@xxxxxxxxxxx>, "richard" <richard@xxxxxx>, "anton ivanov"
>> > <anton.ivanov@xxxxxxxxxxxxxxxxxx>
>> > CC: kernel@xxxxxxxx, "linux-kernel" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-um"
>> > <linux-um@xxxxxxxxxxxxxxxxxxx>,
>> > "devicetree" <devicetree@xxxxxxxxxxxxxxx>, "Vincent Whitchurch"
>> > <vincent.whitchurch@xxxxxxxx>
>> > Gesendet: Mittwoch, 8. Dezember 2021 16:11:21
>> > Betreff: [PATCH 0/2] Devicetree support for UML
>>
>> > This series add support for passing a devicetree blob to UML. It can be used
>> > for testing device drivers.
>>
>> Nice feature.
>> Code looks good so far. But while building I'm facing this warning:
>>
>> WARNING: unmet direct dependencies detected for OF_EARLY_FLATTREE
>> Depends on [n]: OF [=n]
>> Selected by [y]:
>> - UML [=y]
>>
>>
>> Please note that my UML config has CONFIG_OF=n.
>>
>
> Hm. So maybe that needs to be
>
> select OF_EARLY_FLATTREE if OF

Yeah, IIRC arm and mips use such a pattern too.
Vincent, what do you think?

Thanks,
//richard