linux-kernel - pinctrl: imx: Checking reuse of grouping functionality

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Date:   Sat, 15 Apr 2017 21:55:19 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-gpio@...r.kernel.org, Alexander Shiyan <shc_work@...l.ru>,
        Fabio Estevam <fabio.estevam@....com>,
        Gary Bisson <gary.bisson@...ndarydevices.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Peng Fan <van.freenix@...il.com>,
        Tony Lindgren <tony@...mide.com>,
        Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: pinctrl: imx: Checking reuse of grouping functionality

Hello,

A preprocessor symbol like “CONFIG_GENERIC_PINCTRL_GROUPS” was introduced
by the commit c033a718f615b6b3ddc83ce3e0a217c30bd09cb5 (“pinctrl: stricten up
generic group code”) on 2017-01-03. Some functions are only available then
when this macro is defined.

I have got the impression that the corresponding programming interface is used
by the source file “drivers/pinctrl/freescale/pinctrl-imx.c” unconditionally.
How do you think about to extend specifications for conditional compilation there?

Regards,
Markus