iio: adc: xilinx-ams: 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: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220621202719.13644-10-jic23@kernel.org

diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
index a768770..9cd2713 100644 (file)
--- a/drivers/iio/adc/xilinx-ams.c
+++ b/drivers/iio/adc/xilinx-ams.c
@@ -1421,7 +1421,7 @@ static int ams_probe(struct platform_device *pdev)
        return devm_iio_device_register(&pdev->dev, indio_dev);
 }
 
-static int __maybe_unused ams_suspend(struct device *dev)
+static int ams_suspend(struct device *dev)
 {
        struct ams *ams = iio_priv(dev_get_drvdata(dev));
 
@@ -1430,20 +1430,20 @@ static int __maybe_unused ams_suspend(struct device *dev)
        return 0;
 }
 
-static int __maybe_unused ams_resume(struct device *dev)
+static int ams_resume(struct device *dev)
 {
        struct ams *ams = iio_priv(dev_get_drvdata(dev));
 
        return clk_prepare_enable(ams->clk);
 }
 
-static SIMPLE_DEV_PM_OPS(ams_pm_ops, ams_suspend, ams_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(ams_pm_ops, ams_suspend, ams_resume);
 
 static struct platform_driver ams_driver = {
        .probe = ams_probe,
        .driver = {
                .name = "xilinx-ams",
-               .pm = &ams_pm_ops,
+               .pm = pm_sleep_ptr(&ams_pm_ops),
                .of_match_table = ams_of_match_table,
        },
 };