iio: dac: ds4424: 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: Ismail H. Kose <ihkose@gmail.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220621202719.13644-12-jic23@kernel.org

diff --git a/drivers/iio/dac/ds4424.c b/drivers/iio/dac/ds4424.c
index 5a5e967b0be4375a990a1582de0470f69a973790..509394690bcc1d0eebd26bbb0f6bb8c9c3598feb 100644 (file)
--- a/drivers/iio/dac/ds4424.c
+++ b/drivers/iio/dac/ds4424.c
@@ -171,7 +171,7 @@ static int ds4424_verify_chip(struct iio_dev *indio_dev)
        return ret;
 }
 
-static int __maybe_unused ds4424_suspend(struct device *dev)
+static int ds4424_suspend(struct device *dev)
 {
        struct i2c_client *client = to_i2c_client(dev);
        struct iio_dev *indio_dev = i2c_get_clientdata(client);
@@ -189,7 +189,7 @@ static int __maybe_unused ds4424_suspend(struct device *dev)
        return ret;
 }
 
-static int __maybe_unused ds4424_resume(struct device *dev)
+static int ds4424_resume(struct device *dev)
 {
        struct i2c_client *client = to_i2c_client(dev);
        struct iio_dev *indio_dev = i2c_get_clientdata(client);
@@ -206,7 +206,7 @@ static int __maybe_unused ds4424_resume(struct device *dev)
        return ret;
 }
 
-static SIMPLE_DEV_PM_OPS(ds4424_pm_ops, ds4424_suspend, ds4424_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(ds4424_pm_ops, ds4424_suspend, ds4424_resume);
 
 static const struct iio_info ds4424_info = {
        .read_raw = ds4424_read_raw,
@@ -312,7 +312,7 @@ static struct i2c_driver ds4424_driver = {
        .driver = {
                .name   = "ds4424",
                .of_match_table = ds4424_of_match,
-               .pm     = &ds4424_pm_ops,
+               .pm     = pm_sleep_ptr(&ds4424_pm_ops),
        },
        .probe          = ds4424_probe,
        .remove         = ds4424_remove,