+Stephen Warren

Hi Matthias,

On Thu, 1 Aug 2019 at 05:42, Matthias Brugger <[email protected]> wrote:
>
> Hi all,
>
> On 26/07/2019 11:13, [email protected] wrote:
> > From: Matthias Brugger <[email protected]>
> >
> > According to the device tree specification, the default value for
> > was not present.
> >
> > This patch also makes fdt_address_cells() and fdt_size_cells() conform
> > to the behaviour documented in libfdt.h. The defaults are only returned
> > if fdt_getprop() returns -FDT_ERR_NOTFOUND, otherwise the actual error
> > is returned.
> >
> > This is based on upstream commit:
> > aa7254d ("libfdt: return correct value if #size-cells property is not 
> > present")
> > but misses the test case part, as we don't implement them in u-boot.
> >
> > Signed-off-by: Matthias Brugger <[email protected]>
>
> After running these two patches through the CI [1] I realized that three test
> are failing:
> test/py sandbox
> test/py sandbox with clang
> test/py sandbox_flattree
>
> All three fail dm_test_fdt_translation() in the case "No translation for 
> busses
> with #size-cells == 0" [2].
>
> Can anybody with more insight in the test infrastructure and the sandbox
> architecture help me to identify if this is
> a) a bug in the sandbox
> b) a bug in our test
> c) a bug in my patch
>
> I write this because I'm pretty sure that it is not option c), as we just 
> stick
> to the specs here.

Can you check the test and see? It might well be that the test is wrong.

I hope we don't have tet code relying on this.

Regards,
SImon
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