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

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Date:   Mon, 17 Apr 2017 18:08:24 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Gary Bisson <gary.bisson@...ndarydevices.com>
Cc:     linux-gpio@...r.kernel.org, Alexander Shiyan <shc_work@...l.ru>,
        Fabio Estevam <fabio.estevam@....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>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: pinctrl: imx: Checking reuse of grouping functionality

> However the imx pinctrl driver _absolutely_ needs this configuration to work.

Thanks for your explanation that the file “drivers/pinctrl/freescale/Kconfig”
will usually provide needed information for this software module.

Would it make sense to document such a requirement also by a preprocessor error
directive in the source file “drivers/pinctrl/freescale/pinctrl-imx.c”
for the special case if the macro “CONFIG_GENERIC_PINCTRL_GROUPS” would
accidentally not be defined?

Regards,
Markus