linux-kernel - Re: [PATCH v2 1/4] ACPI: EC: Add ec_get

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Message-ID: <20120105193436.GC25386@ubuntu-macmini>
Date:	Thu, 5 Jan 2012 13:34:36 -0600
From:	Seth Forshee <seth.forshee@...onical.com>
To:	Konrad Rzeszutek Wilk <konrad@...nok.org>
Cc:	Thomas Renninger <trenn@...e.de>, Matthew Garrett <mjg@...hat.com>,
	linux-acpi@...r.kernel.org, Azael Avalos <coproscefalo@...il.com>,
	platform-driver-x86@...r.kernel.org, Len Brown <lenb@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] ACPI: EC: Add ec_get_handle()

On Thu, Jan 05, 2012 at 01:27:08PM -0500, Konrad Rzeszutek Wilk wrote:
> 8
> On Jan 3, 2012 2:05 PM, "Seth Forshee" <seth.forshee@...onical.com> wrote:
> >
> > toshiba_acpi needs to execute an AML method within the EC namespace
> > to make hotkeys work on some platforms. Provide an interface to
> > allow it to easily get a handle to the EC namespace for this purpose.
> >
> > Signed-off-by: Seth Forshee <seth.forshee@...onical.com>
> > ---
> >  drivers/acpi/ec.c    |   10 ++++++++++
> >  include/linux/acpi.h |    1 +
> >  2 files changed, 11 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
> > index b19a18d..e37615f 100644
> > --- a/drivers/acpi/ec.c
> > +++ b/drivers/acpi/ec.c
> > @@ -445,6 +445,16 @@ int ec_transaction(u8 command,
> >
> >  EXPORT_SYMBOL(ec_transaction);
> >
> > +/* Get the handle to the EC device */
> > +acpi_handle ec_get_handle(void)
> > +{
> > +       if (!first_ec)
> > +               return NULL;
> > +       return first_ec->handle;
> > +}
> > +
> > +EXPORT_SYMBOL(ec_get_handle);
> 
> shouldn't this be _GPL?

I don't know. All the other ec_* interfaces are EXPORT_SYMBOL, so I did
likewise. I'm happy to change it if _GPL is what ought to be used here.

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