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SubjectRe: [PATCH v3 2/4] of/platform: Add functional dependency link from DT bindings
On Mon, Jul 15, 2019 at 7:05 PM Frank Rowand <frowand.list@gmail.com> wrote:
>
> On 7/15/19 11:40 AM, Saravana Kannan wrote:
> > Replying again because the previous email accidentally included HTML.
> >
> > Thanks for taking the time to reconsider the wording Frank. Your
> > intention was clear to me in the first email too.
> >
> > A kernel command line option can also completely disable this
> > functionality easily and cleanly. Can we pick that as an option? I've
> > an implementation of that in the v5 series I sent out last week.
>
> Yes, Rob suggested a command line option for debugging, and I am fine with
> that. But even with that, I would like a lot of testing so that we have a
> chance of finding systems that have trouble with the changes and could
> potentially be fixed before impacting a large number of users.

Leaving it in -next for more than a cycle will not help. There's some
number of users who test linux-next. Then there's more that test -rc
kernels. Then there's more that test final releases and/or stable
kernels. Probably, the more stable the h/w, the more it tends to be
latter groups. (I don't get reports of breaking PowerMacs with the
changes sitting in linux-next.)

My main worry about this being off by default is it won't get tested.
I'm not sure there's enough interest to drive folks to turn it on and
test. Maybe it needs to be on until we see breakage.

Rob

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