On Tue, Mar 5, 2019 at 2:50 PM Enrico Weigelt, metux IT consult
<lkml@xxxxxxxxx> 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
