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SubjectRe: [PATCH v10 0/9] Add the I3C subsystem
On Thu, 15 Nov 2018 16:01:37 +0100
Wolfram Sang <> wrote:

> Hi Boris,
> > What we could do though, is expose I3C devices that do not have a
> > driver in kernel space, like spidev does.
> ...
> > Mark, Wolfram, Arnd, Greg, any opinion?
> Is there a benefit for having drivers in userspace? My gut feeling is to
> encourage people to write kernel drivers. If this is, for some reason,
> not possible for some driver, then we have a use case at hand to test
> the then-to-be-developed userspace interface against. Until then, I
> personally wouldn't waste effort on designing it without a user in
> sight.

I kind of agree with that. Vitor, do you have a use case in mind for
such userspace drivers? I don't think it's worth designing an API for
something we don't need (yet).

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