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

Signed-off-by: Raphael Gallais-Pou <rgallaispou@gmail.com>
---
 drivers/ata/ahci_platform.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index c18054333f7c968cc4e131545fc3127f03ac27e4..cd5d89c1902fab6c936aa04eefb461c968726185 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -74,8 +74,9 @@ static int ahci_probe(struct platform_device *pdev)
 	return rc;
 }
 
-static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
-			 ahci_platform_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(ahci_pm_ops,
+				ahci_platform_suspend,
+				ahci_platform_resume);
 
 static const struct of_device_id ahci_of_match[] = {
 	{ .compatible = "generic-ahci", },
@@ -102,7 +103,7 @@ static struct platform_driver ahci_driver = {
 		.name = DRV_NAME,
 		.of_match_table = ahci_of_match,
 		.acpi_match_table = ahci_acpi_match,
-		.pm = &ahci_pm_ops,
+		.pm = pm_sleep_ptr(&ahci_pm_ops),
 	},
 };
 module_platform_driver(ahci_driver);

-- 
2.48.0