linux-kernel - Re: [PATCH v2] of/address: sparc: Declare of_address_to_resource() as an extern function for sparc again

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Date:	Fri, 09 Nov 2012 22:49:09 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	andreas@...sler.com
Cc:	sam@...nborg.org, sparclinux@...r.kernel.org, software@...sler.com,
	grant.likely@...retlab.ca, rob.herring@...xeda.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] of/address: sparc: Declare of_address_to_resource()
 as an extern function for sparc again

From: Andreas Larsson <andreas@...sler.com>
Date: Mon,  5 Nov 2012 11:53:18 +0100

> This bug-fix makes sure that of_address_to_resource is defined extern for sparc
> so that the sparc-specific implementation of of_address_to_resource() is once
> again used when including include/linux/of_address.h in a sparc context. A
> number of drivers in mainline relies on this function working for sparc.
> 
> The bug was introduced in a850a7554442f08d3e910c6eeb4ee216868dda1e, "of/address:
> add empty static inlines for !CONFIG_OF". Contrary to that commit title, the
> static inlines are added for !CONFIG_OF_ADRESS, and CONFIG_OF_ADRESS is never
> defined for sparc. This is good behavior for the other functions in
> include/linux/of_address.h, as the extern functions defined in
> drivers/of/address.c only gets linked when OF_ADDRESS is configured. However,
> for of_address_to_resource is that there exists a sparc-specific implementation
> in arch/sparc/arch/sparc/kernel/of_device_common.c
> 
> Signed-off-by: Andreas Larsson <andreas@...sler.com>

Applied.
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