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From: Paul Bolle <pebolle@tiscali.nl>
To: Ray Jui <rjui@broadcom.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Alexandre Courbot <gnurou@gmail.com>,
	Stephen Warren <swarren@wwwdotorg.org>,
	Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Grant Likely <grant.likely@linaro.org>,
	Christian Daudt <bcm@fixthebug.org>,
	Matt Porter <mporter@linaro.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Russell King <linux@arm.linux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>,
	Scott Branden <sbranden@broadcom.com>,
	Dmitry Torokhov <dtor@google.com>,
	Anatol Pomazau <anatol@google.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org,
	bcm-kernel-feedback-list@broadcom.com,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v5 6/8] pinctrl: cygnus: add gpio/pinconf driver
Date: Thu, 05 Mar 2015 09:36:21 +0100	[thread overview]
Message-ID: <1425544581.24292.194.camel@x220> (raw)
In-Reply-To: <1425543104.24292.185.camel@x220>

On Thu, 2015-03-05 at 09:11 +0100, Paul Bolle wrote:
> On Wed, 2015-03-04 at 16:35 -0800, Ray Jui wrote:
> > +MODULE_AUTHOR("Ray Jui <rjui@broadcom.com>");
> > +MODULE_DESCRIPTION("Broadcom Cygnus GPIO Driver");
> > +MODULE_LICENSE("GPL v2");
> 
> These three macros will be preprocessed away. (There's also
> MODULE_DEVICE_TABLE. I don't yet know how that is handled in a
> non-modular build, sorry.)

It turns out MODULE_DEVICE_TABLE is _really_ preprocessed away. See
include/linux/module.h:
    #ifdef MODULE
    /* Creates an alias so file2alias.c can find device table. */
    #define MODULE_DEVICE_TABLE(type, name)                                 \
    extern const typeof(name) __mod_##type##__##name##_device_table         \
      __attribute__ ((unused, alias(__stringify(name))))
    #else  /* !MODULE */
    #define MODULE_DEVICE_TABLE(type, name)
    #endif


Did I get that right?

(I knew the other three MODULE_* macros are handled in slightly more
complicated way, but the effect is basically that they are preprocessed
away.)


Paul Bolle


  reply	other threads:[~2015-03-05  8:36 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-05  0:35 [PATCH v5 0/8] Add pinctrl support to Broadcom Cygnus SoC Ray Jui
2015-03-05  0:35 ` [PATCH v5 1/8] pinctrl: bcm: consolidate Broadcom pinctrl drivers Ray Jui
2015-03-09 16:20   ` Linus Walleij
2015-03-05  0:35 ` [PATCH v5 2/8] pinctrl: Broadcom Cygnus pinctrl device tree binding Ray Jui
2015-03-09 16:22   ` Linus Walleij
2015-03-05  0:35 ` [PATCH v5 3/8] pinctrl: cygnus: add initial IOMUX driver support Ray Jui
2015-03-05  8:03   ` Paul Bolle
2015-03-09 16:28     ` Linus Walleij
2015-03-09 18:40       ` Paul Bolle
2015-03-09 19:00         ` Ray Jui
2015-03-09 19:30           ` Paul Bolle
2015-03-09 19:40             ` Ray Jui
2015-03-09 19:53               ` Paul Bolle
2015-03-09 16:26   ` Linus Walleij
2015-03-05  0:35 ` [PATCH v5 4/8] ARM: dts: enable IOMUX for Broadcom Cygnus Ray Jui
2015-03-09 16:29   ` Linus Walleij
2015-03-05  0:35 ` [PATCH v5 5/8] pinctrl: Cygnus: define Broadcom Cygnus GPIO/PINCONF binding Ray Jui
2015-03-09 16:30   ` Linus Walleij
2015-03-09 16:41     ` Ray Jui
2015-03-05  0:35 ` [PATCH v5 6/8] pinctrl: cygnus: add gpio/pinconf driver Ray Jui
2015-03-05  8:11   ` Paul Bolle
2015-03-05  8:36     ` Paul Bolle [this message]
2015-03-05 17:13       ` Ray Jui
2015-03-09 16:41         ` Linus Walleij
2015-03-09 18:47           ` Paul Bolle
2015-03-05  0:35 ` [PATCH v5 7/8] ARM: dts: enable GPIO for Broadcom Cygnus Ray Jui
2015-03-05  0:35 ` [PATCH v5 8/8] ARM: dts: cygnus: enable GPIO based hook detection Ray Jui

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