linux-kernel - [PATCH 05/11] ARM: exynos: exynos_pm_add_dev_to

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Date:	Wed,  8 Aug 2012 16:47:22 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	arm@...nel.org, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Thomas Abraham <thomas.abraham@...aro.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Kukjin Kim <kgene.kim@...sung.com>
Subject: [PATCH 05/11] ARM: exynos: exynos_pm_add_dev_to_genpd may be unused

exynos_pm_add_dev_to_genpd is used if one or more out of a large
number of Kconfig symbols are enabled. However the new
exynos_defconfig selects none of those, so the function becomes
unused. Marking it so lets the compiler automatically discard
it.

Without this patch, building exynos_defconfig results in:

arch/arm/mach-exynos/pm_domains.c:118:123: warning: 'exynos_pm_add_dev_to_genpd' defined but not used [-Wunused-function]

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Cc: Thomas Abraham <thomas.abraham@...aro.org>
Cc: Rafael J. Wysocki <rjw@...k.pl>
Cc: Kukjin Kim <kgene.kim@...sung.com>
---
 arch/arm/mach-exynos/pm_domains.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 373c3c0..c0bc83a 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -115,7 +115,7 @@ static __init int exynos_pm_dt_parse_domains(void)
 }
 #endif /* CONFIG_OF */
 
-static __init void exynos_pm_add_dev_to_genpd(struct platform_device *pdev,
+static __init __maybe_unused void exynos_pm_add_dev_to_genpd(struct platform_device *pdev,
 						struct exynos_pm_domain *pd)
 {
 	if (pdev->dev.bus) {
-- 
1.7.10

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