iio: adc: meson_saradc: 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: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220621202719.13644-6-jic23@kernel.org

diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index c18be3c519af9e1eec86f4c42390859aefb9ffad..1a68b099d323c1f57fe0da2586278a7ba110b5a9 100644 (file)
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -1281,22 +1281,22 @@ static int meson_sar_adc_remove(struct platform_device *pdev)
        return meson_sar_adc_hw_disable(indio_dev);
 }
 
-static int __maybe_unused meson_sar_adc_suspend(struct device *dev)
+static int meson_sar_adc_suspend(struct device *dev)
 {
        struct iio_dev *indio_dev = dev_get_drvdata(dev);
 
        return meson_sar_adc_hw_disable(indio_dev);
 }
 
-static int __maybe_unused meson_sar_adc_resume(struct device *dev)
+static int meson_sar_adc_resume(struct device *dev)
 {
        struct iio_dev *indio_dev = dev_get_drvdata(dev);
 
        return meson_sar_adc_hw_enable(indio_dev);
 }
 
-static SIMPLE_DEV_PM_OPS(meson_sar_adc_pm_ops,
-                        meson_sar_adc_suspend, meson_sar_adc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(meson_sar_adc_pm_ops,
+                               meson_sar_adc_suspend, meson_sar_adc_resume);
 
 static struct platform_driver meson_sar_adc_driver = {
        .probe          = meson_sar_adc_probe,
@@ -1304,7 +1304,7 @@ static struct platform_driver meson_sar_adc_driver = {
        .driver         = {
                .name   = "meson-saradc",
                .of_match_table = meson_sar_adc_of_match,
-               .pm = &meson_sar_adc_pm_ops,
+               .pm = pm_sleep_ptr(&meson_sar_adc_pm_ops),
        },
 };