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SubjectRe: [PATCH 15/21] backlight: Probe backlight devices on demand
On Tue, 26 May 2015, Tomeu Vizoso wrote:

> On 26 May 2015 at 10:39, Lee Jones <lee.jones@linaro.org> wrote:
> > On Tue, 26 May 2015, Sascha Hauer wrote:
> >> On Tue, May 26, 2015 at 08:18:50AM +0100, Lee Jones wrote:
> >> > On Mon, 25 May 2015, Tomeu Vizoso wrote:
> >> >
> >> > > When looking up a backlight device through its DT node, ensure that the
> >> > > corresponding device has been registered.
> >> > >
> >> > > Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
> >> > > ---
> >> > > drivers/video/backlight/backlight.c | 3 +++
> >> > > 1 file changed, 3 insertions(+)
> >> >
> >> > Looks reasonable.
> >> >
> >> > Until anyone screams at me, applied thanks.
> >>
> >> The compiler will scream at you when it realizes that
> >> of_platform_device_ensure() doesn't exist in your kernel...
> >
> > Yup, indeed it did.
> >
> > I assumed this was *only* enabling subsystems and that the
> > framework/API was already accepted.
> >
> > So the advice I'd give to Tomeu when sending full enablement
> > patch-sets i.e. ones which provide the framework/API *and* enable
> > subsystems in the same set, is to send the entire set to everyone, so
> > we can see what the aim of the set is and how to deal with it.
>
> Yeah, but get_maintainer.pl outputs 33 maintainer addresses, plus 1
> reviewer plus 14 mailing lists, so to avoid rejects because of too
> many recipients I went with the advice in [0] and sent each patch to
> their maintainers and list(s) and the cover letter to all lists. Also
> sent the whole series to lakml to make sure that it's at least indexed
> there.

Mails aren't usually rejected because they have too many recipients,
rather they require approval. This isn't a blocker, especially for
patch-sets like this.

> Any advice on what to do with series that span so many subsystems?

I would either ensure everyone is informed, split into two choices;
either CC everyone on every patch, or at least everyone on the
cover-letter and the core API changes. The other method is to have
the API changes accepted first, then once accepted send out the
subsystem changes [FWIW: this is the method I (wrongly) assumed you
used].

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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