Re: [BISECTED REGRESSION] v4.8-rc: DT/OCTEON driver probing broken

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On Sun, Aug 28, 2016 at 7:22 AM, Aaro Koskinen <aaro.koskinen@xxxxxx> wrote:
> Hi,
>
> On Sun, Aug 28, 2016 at 12:34:06PM +0200, Thorsten Leemhuis wrote:
>> Lo! Kefeng, below report made it to the list of regression for 4.8, but
>> afaics nothing happened after the initial report. Is there maybe some
>> reason why it shouldn't be on the list of regressions at all? Or was the
>> problem discussed elsewhere? Or is it even fixed already? I noticed
>> https://git.kernel.org/torvalds/c/fc520f8b4f (of/platform: disable the
>> of_platform_default_populate_init() for all the ppc board), but that
>> change is PPC specific.
>
> There is a fix proposal here:
>
>         https://patchwork.linux-mips.org/patch/14041/
>
> There is still few other boards remaining that use of_platform_bus_probe()
> from device_initcall, but who knows, maybe they are not affected.
>
> arch/microblaze/kernel/platform.c

xlnx,compound is going to fail to probe. I'm adding this to the default.

> arch/mips/mti-malta/malta-dt.c

This should be fine. It does probe for "isa", but nothing in mainline
is using that. We can add it to the default when it does.

> arch/mips/netlogic/xlp/dt.c

Should be okay with default.

> arch/x86/platform/olpc/olpc_dt.c

This one needs fixing.

Rob
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