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From: Thierry Reding <thierry.reding@avionic-design.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
	Kukjin Kim <kgene.kim@samsung.com>,
	Stephen Warren <swarren@nvidia.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	linux-kernel@vger.kernel.org, arm@kernel.org,
	Thomas Abraham <thomas.abraham@linaro.org>
Subject: Re: [PATCH 11/12] pinctrl: samsung: use __devinit section for init code
Date: Tue, 2 Oct 2012 22:28:35 +0200	[thread overview]
Message-ID: <20121002202835.GA31446@avionic-0098.mockup.avionic-design.de> (raw)
In-Reply-To: <1348868177-21205-12-git-send-email-arnd@arndb.de>

[-- Attachment #1: Type: text/plain, Size: 1111 bytes --]

On Fri, Sep 28, 2012 at 11:36:16PM +0200, Arnd Bergmann wrote:
> The samsung pinctrl driver has a probe function that is
> __devinit and that calls a lot of other functions that are
> marked __init, which kbuild complains about.
> 
> Marking everything __devinit means that the code does not
> discarded when CONFIG_HOTPLUG is set, which is a little
> more wasteful, but also more consistent
> 
> Without this patch, building exynos_defconfig results in:
> 
> WARNING: drivers/pinctrl/built-in.o(.devinit.text+0x124): Section mismatch in reference from the function samsung_pinctrl_probe() to the function .init.text:samsung_gpiolib_register()
> The function __devinit samsung_pinctrl_probe() references
> a function __init samsung_gpiolib_register().
> If samsung_gpiolib_register is only used by samsung_pinctrl_probe then
> annotate samsung_gpiolib_register with a matching annotation.

Note that work is underway to remove HOTPLUG altogether (see commit
45f035a, "CONFIG_HOTPLUG should be always on" in linux-next), so it
may make more sense to just drop the __init markings.

Thierry

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  parent reply	other threads:[~2012-10-02 20:28 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-28 21:36 [PATCH 00/12] New warnings and build errors in linux-next Arnd Bergmann
2012-09-28 21:36 ` [PATCH 01/12] mtd: atmel nand: build regression Arnd Bergmann
2012-09-29 19:53   ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-28 21:36 ` [PATCH 02/12] ata: mark probe function as __devinit rather than __init Arnd Bergmann
2012-09-28 21:38   ` Mark Langsdorf
2012-09-28 21:36 ` [PATCH 03/12] mmc: dw_mmc: fix building exynos driver as a module Arnd Bergmann
2012-10-01 11:05   ` Will Newton
2012-10-04 12:40     ` Seungwon Jeon
2012-09-28 21:36 ` [PATCH 04/12] video: exynos: warnings in exynos_dp_core.c Arnd Bergmann
2012-10-05  8:01   ` Jingoo Han
2012-10-05  8:16     ` Arnd Bergmann
2012-09-28 21:36 ` [PATCH 05/12] ARM: ixp4xx: use __iomem for MMIO Arnd Bergmann
2012-09-29 10:35   ` ARM SoC tree, Was: " Krzysztof Halasa
2012-09-29 14:58     ` Arnd Bergmann
2012-09-29 17:02       ` Krzysztof Halasa
2012-09-29 17:31         ` Olof Johansson
2012-09-29 17:44         ` Russell King - ARM Linux
2012-09-29 21:38           ` Krzysztof Halasa
2012-09-29 21:53             ` Russell King - ARM Linux
2012-09-30 17:01               ` Krzysztof Halasa
2012-09-28 21:36 ` [PATCH 06/12] sched: warnings in kernel/sched/fair.c Arnd Bergmann
2012-09-28 21:36 ` [PATCH 07/12] staging/iio/lis3l02dq: fix building without irq_to_gpio Arnd Bergmann
2012-09-29 10:02   ` Jonathan Cameron
2012-09-29 15:03     ` Arnd Bergmann
2012-10-13  9:54       ` Jonathan Cameron
2012-09-28 21:36 ` [PATCH 08/12] dtc: be more quiet with "make -s" Arnd Bergmann
2012-09-28 21:55   ` Stephen Warren
2012-09-29  7:27     ` Arnd Bergmann
2012-09-28 21:36 ` [PATCH 09/12] tty/console: fix warnings in drivers/tty/serial/kgdboc.c Arnd Bergmann
2012-09-28 21:45   ` Jason Wessel
2012-10-22 23:37     ` Greg Kroah-Hartman
2012-09-28 21:36 ` [PATCH 10/12] gpio: pcf857x: select IRQ_DOMAIN Arnd Bergmann
2012-09-30 21:39   ` Linus Walleij
2012-09-28 21:36 ` [PATCH 11/12] pinctrl: samsung: use __devinit section for init code Arnd Bergmann
2012-10-01  6:15   ` Linus Walleij
2012-10-02 11:52     ` Arnd Bergmann
2012-10-02 12:57       ` Linus Walleij
2012-10-02 20:28   ` Thierry Reding [this message]
2012-09-28 21:36 ` [PATCH 12/12] time/jiffies: bring back unconditional LATCH definition Arnd Bergmann
2012-09-28 21:55   ` John Stultz

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