linux-kernel - Re: [PATCH 1/2] acpi: Fail GED probe when not on hardware-reduced

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Message-ID: <20191011121447.GA4256@caravaggio>
Date:   Fri, 11 Oct 2019 14:14:47 +0200
From:   Samuel Ortiz <sameo@...ux.intel.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Len Brown <lenb@...nel.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH 1/2] acpi: Fail GED probe when not on hardware-reduced

On Fri, Oct 11, 2019 at 12:38:49PM +0200, Rafael J. Wysocki wrote:
> On Wed, Oct 9, 2019 at 3:04 PM Samuel Ortiz <sameo@...ux.intel.com> wrote:
> >
> > The Generic Event Device (GED) is a hardware-reduced platform device.
> 
> No, it is not AFAICS.
It's a little confusing, I was not sure what's the common understanding
and tried to be safe by not having non HW-reduced machines getting a
new device that they've never seen so far.


> The spec doesn't say that GED cannot be used on platforms that aren't
> HW-reduced
I agree.

>  and if evged.c is going to be built in unconditionally, the
> kernel will be able to handle GED regardless.
Ok, perfect then. Does that mean you're ok with the 2nd patch but are
going to drop this one?

Cheers,
Samuel.