linux-kernel - [PATCH] pinctrl: plgpio: add CONFIG_PM

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Message-id: <003901ce293f$76639800$632ac800$%han@samsung.com>
Date:	Mon, 25 Mar 2013 18:59:38 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Linus Walleij' <linus.walleij@...aro.org>
Cc:	linux-kernel@...r.kernel.org, 'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH] pinctrl: plgpio: add CONFIG_PM_SLEEP to suspend/resume
 functions

Add CONFIG_PM_SLEEP to suspend/resume functions to fix the following
build warning when CONFIG_PM_SLEEP is not selected. This is because
sleep PM callbacks defined by SIMPLE_DEV_PM_OPS are only used when
the CONFIG_PM_SLEEP is enabled.

drivers/pinctrl/spear/pinctrl-plgpio.c:645:12: warning: 'plgpio_suspend' defined but not used [-Wunused-function]
drivers/pinctrl/spear/pinctrl-plgpio.c:684:12: warning: 'plgpio_resume' defined but not used [-Wunused-function]

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/pinctrl/spear/pinctrl-plgpio.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c
index 295b349..05e07d7 100644
--- a/drivers/pinctrl/spear/pinctrl-plgpio.c
+++ b/drivers/pinctrl/spear/pinctrl-plgpio.c
@@ -75,7 +75,7 @@ struct plgpio {
 	int			(*o2p)(int offset);	/* offset_to_pin */
 	u32			p2o_regs;
 	struct plgpio_regs	regs;
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	struct plgpio_regs	*csave_regs;
 #endif
 };
@@ -554,7 +554,7 @@ static int plgpio_probe(struct platform_device *pdev)
 	if (IS_ERR(plgpio->clk))
 		dev_warn(&pdev->dev, "clk_get() failed, work without it\n");
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	plgpio->csave_regs = devm_kzalloc(&pdev->dev,
 			sizeof(*plgpio->csave_regs) *
 			DIV_ROUND_UP(plgpio->chip.ngpio, MAX_GPIO_PER_REG),
@@ -641,7 +641,7 @@ unprepare_clk:
 	return ret;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int plgpio_suspend(struct device *dev)
 {
 	struct plgpio *plgpio = dev_get_drvdata(dev);
-- 
1.7.2.5


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