linux-kernel - Re: [PATCH 3/6] pinctrl: sunxi: Add H3 PIO controller support

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Date:	Thu, 07 May 2015 10:10:47 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Jens Kuske <jenskuske@...il.com>
Cc:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Emilio López <emilio@...pez.com.ar>,
	Mike Turquette <mturquette@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Vinod Koul <vinod.koul@...el.com>,
	Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 3/6] pinctrl: sunxi: Add H3 PIO controller support

On Wed, 2015-05-06 at 11:31 +0200, Jens Kuske wrote:
> --- a/drivers/pinctrl/sunxi/Kconfig
> +++ b/drivers/pinctrl/sunxi/Kconfig
 
> +config PINCTRL_SUN8I_H3
> +	def_bool MACH_SUN8I
> +	select PINCTRL_SUNXI_COMMON

> --- a/drivers/pinctrl/sunxi/Makefile
> +++ b/drivers/pinctrl/sunxi/Makefile

> +obj-$(CONFIG_PINCTRL_SUN8I_H3)		+= pinctrl-sun8i-h3.o

PINCTRL_SUN8I_H3 is a bool symbol, so pinctrl-sun8i-h3.o will never be
part of a module, right?

(Note that PINCTRL_SUN8I_H3 appears to be an alias for MACH_SUN8I. Ie,
these two symbols operate in lockstep.)

> --- /dev/null
> +++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c

> +#include <linux/module.h>

> +MODULE_DEVICE_TABLE(of, sun8i_h3_pinctrl_match);

> +MODULE_AUTHOR("Jens Kuske <jenskuske@...il.com>");
> +MODULE_DESCRIPTION("Allwinner H3 pinctrl driver");
> +MODULE_LICENSE("GPL");

This adds some module specific boilerplate. Was it perhaps your
intention to make PINCTRL_SUN8I_H3 a tristate symbol?

Thanks,


Paul Bolle

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