linux-kernel - Re: [PATCH 7/8] ata: highbank: mark ahci_highbank_probe as _

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Message-ID: <50A5C4C7.4090309@pobox.com>
Date:	Thu, 15 Nov 2012 23:44:55 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Mark Langsdorf <mark.langsdorf@...xeda.com>,
	Rob Herring <rob.herring@...xeda.com>,
	Jeff Garzik <jgarzik@...hat.com>
Subject: Re: [PATCH 7/8] ata: highbank: mark ahci_highbank_probe as __devinit

On 11/06/2012 04:55 PM, Arnd Bergmann wrote:
> The ahci_highbank_probe function is incorrectly marked as __init,
> which means it can get discarded at boot time, which might be
> a problem if for some reason the device only becomes operational
> after loading another module.
>
> Using __devinit instead avoids seeing this warning for every build:
>
> WARNING: vmlinux.o(.data+0xf7b0): Section mismatch in reference from the
> variable ahci_highbank_driver to the function .init.text:ahci_highbank_probe()
> The variable ahci_highbank_driver references
> the function __init ahci_highbank_probe()
> If the reference is valid then annotate the
> variable with __init* or __refdata (see linux/init.h) or name the variable:
> *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Cc: Mark Langsdorf <mark.langsdorf@...xeda.com>
> Cc: Rob Herring <rob.herring@...xeda.com>
> Cc: Jeff Garzik <jgarzik@...hat.com>
> ---
>   drivers/ata/sata_highbank.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

applied


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