linux-kernel - Re: [PATCH] gpio/it8761e: Restrict it8761e gpio driver to x86.

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Date:	Thu, 12 Jan 2012 03:22:05 -0600
From:	Milton Miller <miltonm@....com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	Denis Turischev <denis@...pulab.co.il>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpio/it8761e: Restrict it8761e gpio driver to x86.

On Wed Jan 11 2012 - 14:16:36 EST, Grant Likely wrote:
> This driver does an unconditional read of io space during module init which
> causes a bad dereference on ARM. It looks to me like this is an x86 only
> drivers, so restrict it to only compile on x86.

> config GPIO_IT8761E
>          tristate "IT8761E GPIO support"
> +        depends on X86
>          help
>            Say yes here to support GPIO functionality of IT8761E super I/O chip.


Please add a comment to the Kconfig stanza with the reason for the
dependancy so people don't have to be git blame masters to know why
its there.

Something like
        depends on X86 # unconditional read of io space during module init

thanks,
milton
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