linux-kernel - [PATCH 13/19] pinctrl: nomadik: nmk_prcm_gpiocr_get

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Date:	Fri, 25 Jan 2013 14:14:30 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...t.infradead.org
Cc:	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	Jean-Nicolas Graux <jean-nicolas.graux@...ricsson.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>
Subject: [PATCH 13/19] pinctrl: nomadik: nmk_prcm_gpiocr_get_mode may be unused

nmk_prcm_gpiocr_get_mode is only needed for debugfs output at
the moment, which can be compile-time disabled. Marking
the function __maybe_unused still gives us compile-time
coverage, but avoids a gcc warning.

Without this patch, building nhk8815_defconfig results in:

drivers/pinctrl/pinctrl-nomadik.c:676:12: warning: 'nmk_prcm_gpiocr_get_mode' defined but not used [-Wunused-function]

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Cc: Jean-Nicolas Graux <jean-nicolas.graux@...ricsson.com>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>
---
 drivers/pinctrl/pinctrl-nomadik.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index 1bb16ff..5767b18 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -676,7 +676,7 @@ int nmk_gpio_set_mode(int gpio, int gpio_mode)
 }
 EXPORT_SYMBOL(nmk_gpio_set_mode);
 
-static int nmk_prcm_gpiocr_get_mode(struct pinctrl_dev *pctldev, int gpio)
+static int __maybe_unused nmk_prcm_gpiocr_get_mode(struct pinctrl_dev *pctldev, int gpio)
 {
 	int i;
 	u16 reg;
-- 
1.8.0

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