Messages in this thread | | | From | Arnd Bergmann <> | Date | Tue, 5 Mar 2019 17:46:17 +0100 | Subject | Re: [PATCH 2/3] x86: apuv2: fix input dependencies |
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On Tue, Mar 5, 2019 at 2:50 PM Enrico Weigelt, metux IT consult <lkml@metux.net> wrote: > > On 05.03.19 09:23, Arnd Bergmann wrote: > > hmm, if circular deps happen, wouldn't that mean we've got some deeper > problems in here ? IMHO, dependencies should always form a DAG (except > for some really rare cases). > > Do you recall any actual problem w/ input vs gpio vs. drivers ? > I'd like to have a closer look at it.
Not with gpio. Most of the circular dependencies I've seen tend to revolve around drivers/gpu/drm, which uses more 'select' statements than most other subsystems. Those dependencies often touch backlight, acpi, fbdev and other things then.
Arnd
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