iio: adc: ad799x: 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: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220621202719.13644-3-jic23@kernel.org

diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index 220228c..262bd76 100644 (file)
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -896,7 +896,7 @@ static int ad799x_remove(struct i2c_client *client)
        return 0;
 }
 
-static int __maybe_unused ad799x_suspend(struct device *dev)
+static int ad799x_suspend(struct device *dev)
 {
        struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
        struct ad799x_state *st = iio_priv(indio_dev);
@@ -908,7 +908,7 @@ static int __maybe_unused ad799x_suspend(struct device *dev)
        return 0;
 }
 
-static int __maybe_unused ad799x_resume(struct device *dev)
+static int ad799x_resume(struct device *dev)
 {
        struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
        struct ad799x_state *st = iio_priv(indio_dev);
@@ -941,7 +941,7 @@ static int __maybe_unused ad799x_resume(struct device *dev)
        return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(ad799x_pm_ops, ad799x_suspend, ad799x_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(ad799x_pm_ops, ad799x_suspend, ad799x_resume);
 
 static const struct i2c_device_id ad799x_id[] = {
        { "ad7991", ad7991 },
@@ -960,7 +960,7 @@ MODULE_DEVICE_TABLE(i2c, ad799x_id);
 static struct i2c_driver ad799x_driver = {
        .driver = {
                .name = "ad799x",
-               .pm = &ad799x_pm_ops,
+               .pm = pm_sleep_ptr(&ad799x_pm_ops),
        },
        .probe = ad799x_probe,
        .remove = ad799x_remove,