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

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Date:	Fri, 11 Apr 2014 17:54:56 -0500
From:	Timur Tabi <timur@...eaurora.org>
To:	Mathias Nyman <mathias.nyman@...ux.intel.com>
Cc:	Linus <linus.walleij@...aro.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/1] pinctrl: add Intel BayTrail GPIO/pinctrl support

On Tue, Jun 18, 2013 at 6:33 AM, Mathias Nyman
<mathias.nyman@...ux.intel.com> wrote:
>
> Pins may be muxed to alternate function instead of gpio by firmware.
> This driver does not touch the pin muxing and expect firmare
> to set pin muxing and pullup/down properties properly.
>
> Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>
> ---
>  drivers/pinctrl/Kconfig            |   12 +
>  drivers/pinctrl/Makefile           |    1 +
>  drivers/pinctrl/pinctrl-baytrail.c |  543 ++++++++++++++++++++++++++++++++++++


I know it's been ten months since you posted this driver, but I have a
question.  If this driver does not touch the pin muxing, and it
doesn't even call pinctrl_register(), then why is it in
drivers/pinctrl?  It's not a pinctrl driver.  Why isn't this a regular
GPIO drivers in drivers/gpio?

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