iio:adc:rcar: Switch from CONFIG_PM guards to pm_ptr() etc

Letting the compiler remove these functions when the kernel is built
without CONFIG_PM support is simpler and less error prone than the
use of #ifdef based config guards.

Removing instances of this approach from IIO also stops them being
copied into new drivers.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220130193147.279148-46-jic23@kernel.org

diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c
index 727ea6c..27d9e14 100644 (file)
--- a/drivers/iio/adc/rcar-gyroadc.c
+++ b/drivers/iio/adc/rcar-gyroadc.c
@@ -577,7 +577,6 @@ static int rcar_gyroadc_remove(struct platform_device *pdev)
        return 0;
 }
 
-#if defined(CONFIG_PM)
 static int rcar_gyroadc_suspend(struct device *dev)
 {
        struct iio_dev *indio_dev = dev_get_drvdata(dev);
@@ -597,10 +596,9 @@ static int rcar_gyroadc_resume(struct device *dev)
 
        return 0;
 }
-#endif
 
 static const struct dev_pm_ops rcar_gyroadc_pm_ops = {
-       SET_RUNTIME_PM_OPS(rcar_gyroadc_suspend, rcar_gyroadc_resume, NULL)
+       RUNTIME_PM_OPS(rcar_gyroadc_suspend, rcar_gyroadc_resume, NULL)
 };
 
 static struct platform_driver rcar_gyroadc_driver = {
@@ -609,7 +607,7 @@ static struct platform_driver rcar_gyroadc_driver = {
        .driver         = {
                .name           = DRIVER_NAME,
                .of_match_table = rcar_gyroadc_match,
-               .pm             = &rcar_gyroadc_pm_ops,
+               .pm             = pm_ptr(&rcar_gyroadc_pm_ops),
        },
 };