linux-kernel - [PATCH 2/9] ARM: pxa: mark spitz_card_pwr_ctrl as __maybe

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Message-Id: <1454076396-3563101-3-git-send-email-arnd@arndb.de>
Date:	Fri, 29 Jan 2016 15:06:26 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Arnd Bergmann <arnd@...db.de>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Daniel Mack <daniel@...que.org>, linux-kernel@...r.kernel.org
Subject: [PATCH 2/9] ARM: pxa: mark spitz_card_pwr_ctrl as __maybe_unused

This function is only used when CONFIG_PCMCIA is enabled, otherwise
we get a harmless warning:

arch/arm/mach-pxa/spitz.c:204:13: warning: 'spitz_card_pwr_ctrl' defined but not used [-Wunused-function]

Marking it as __maybe_unused keeps the logic simple and avoids the
warning on randconfig builds.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/arm/mach-pxa/spitz.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 825f903ab77e..d9578bc49fdc 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -201,7 +201,7 @@ static void __init spitz_scoop_init(void)
 }
 
 /* Power control is shared with between one of the CF slots and SD */
-static void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
+static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
 {
 	unsigned short cpr;
 	unsigned long flags;
-- 
2.7.0