linux-kernel - [PATCH] iio: imx8qxp-adc: Fix the error - defined but not used for runtime pm API

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Date:   Wed, 13 Oct 2021 09:46:58 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <rdunlap@...radead.org>, <jic23@...nel.org>, <lars@...afoo.de>,
        <shawnguo@...nel.org>, <s.hauer@...gutronix.de>,
        <kernel@...gutronix.de>, <festevam@...il.com>
CC:     <linux-imx@....com>, <linux-iio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Cai Huoqing" <caihuoqing@...du.com>
Subject: [PATCH] iio: imx8qxp-adc: Fix the error - defined but not used for runtime pm API

Add the prefix '__maybe_unused' to imx8qxp_adc_runtime_suspend/resume()
to avoid the compiler complain without setting CONFIG_SUSPEND,
CONFIG_HIBERNATION and CONFIG_PM.

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/iio/adc/imx8qxp-adc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/imx8qxp-adc.c b/drivers/iio/adc/imx8qxp-adc.c
index 5030e0d8318d..011bef4b5dda 100644
--- a/drivers/iio/adc/imx8qxp-adc.c
+++ b/drivers/iio/adc/imx8qxp-adc.c
@@ -416,7 +416,7 @@ static int imx8qxp_adc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int imx8qxp_adc_runtime_suspend(struct device *dev)
+static int __maybe_unused imx8qxp_adc_runtime_suspend(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
 	struct imx8qxp_adc *adc = iio_priv(indio_dev);
@@ -430,7 +430,7 @@ static int imx8qxp_adc_runtime_suspend(struct device *dev)
 	return 0;
 }
 
-static int imx8qxp_adc_runtime_resume(struct device *dev)
+static int __maybe_unused imx8qxp_adc_runtime_resume(struct device *dev)
 {
 	struct iio_dev *indio_dev = dev_get_drvdata(dev);
 	struct imx8qxp_adc *adc = iio_priv(indio_dev);
-- 
2.25.1