linux-kernel - Re: [PATCH v3 1/1] pinctrl: add Intel BayTrail GPIO/pinctrl support

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Message-ID: <20140425074156.GI30677@intel.com>
Date:	Fri, 25 Apr 2014 10:41:57 +0300
From:	"Westerberg, Mika" <mika.westerberg@...el.com>
To:	Timur Tabi <timur@...eaurora.org>
Cc:	Mathias Nyman <mathias.nyman@...ux.intel.com>,
	Linus <linus.walleij@...aro.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	lkml <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH v3 1/1] pinctrl: add Intel BayTrail GPIO/pinctrl support

On Thu, Apr 24, 2014 at 10:25:56AM -0500, Timur Tabi wrote:
> On 04/24/2014 06:58 AM, Westerberg, Mika wrote:
> >>>No, that's my point.  I was expecting the pinmux functions of the
> >>>pinctrl driver are used by ACPI, but apparently they aren't, and
> >>>that's why I'm asking.
> 
> >Which functions?
> 
> The functions in struct pinmux_ops, like get_function_groups.  Will
> these functions ever be called on an ACPI system?

Well, if you have an ACPI system (like normal PC) it is perfectly fine to
have pin controller/mux hardware there which is not dependent at all on
ACPI.

If you happen to have pin controller/mux driver that drives that hardware,
I'm sure your pinmux functions gets called.
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