iio: adc: mt6577_auxadc: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()

Using these newer macros allows the compiler to remove the unused
structure and functions when !CONFIG_PM_SLEEP + removes the need to
mark pm functions __maybe_unused.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Zhiyong Tao <zhiyong.tao@mediatek.com>
Cc: Hui Liu <hui.liu@mediatek.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220621202719.13644-7-jic23@kernel.org

diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c
index e78c96a..0e13477 100644 (file)
--- a/drivers/iio/adc/mt6577_auxadc.c
+++ b/drivers/iio/adc/mt6577_auxadc.c
@@ -215,7 +215,7 @@ static const struct iio_info mt6577_auxadc_info = {
        .read_raw = &mt6577_auxadc_read_raw,
 };
 
-static int __maybe_unused mt6577_auxadc_resume(struct device *dev)
+static int mt6577_auxadc_resume(struct device *dev)
 {
        struct iio_dev *indio_dev = dev_get_drvdata(dev);
        struct mt6577_auxadc_device *adc_dev = iio_priv(indio_dev);
@@ -234,7 +234,7 @@ static int __maybe_unused mt6577_auxadc_resume(struct device *dev)
        return 0;
 }
 
-static int __maybe_unused mt6577_auxadc_suspend(struct device *dev)
+static int mt6577_auxadc_suspend(struct device *dev)
 {
        struct iio_dev *indio_dev = dev_get_drvdata(dev);
        struct mt6577_auxadc_device *adc_dev = iio_priv(indio_dev);
@@ -330,9 +330,9 @@ static int mt6577_auxadc_remove(struct platform_device *pdev)
        return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(mt6577_auxadc_pm_ops,
-                        mt6577_auxadc_suspend,
-                        mt6577_auxadc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(mt6577_auxadc_pm_ops,
+                               mt6577_auxadc_suspend,
+                               mt6577_auxadc_resume);
 
 static const struct of_device_id mt6577_auxadc_of_match[] = {
        { .compatible = "mediatek,mt2701-auxadc", .data = &mt8173_compat },
@@ -349,7 +349,7 @@ static struct platform_driver mt6577_auxadc_driver = {
        .driver = {
                .name   = "mt6577-auxadc",
                .of_match_table = mt6577_auxadc_of_match,
-               .pm = &mt6577_auxadc_pm_ops,
+               .pm = pm_sleep_ptr(&mt6577_auxadc_pm_ops),
        },
        .probe  = mt6577_auxadc_probe,
        .remove = mt6577_auxadc_remove,