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/pata_imx.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index b37682b0578f48ea9d51a103d19e40fe91c4729f..533de2782c37fb21bba4e4b8361c48c0f2878175 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c
@@ -201,7 +201,6 @@ static void pata_imx_remove(struct platform_device *pdev)
 	__raw_writel(0, priv->host_regs + PATA_IMX_ATA_INT_EN);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int pata_imx_suspend(struct device *dev)
 {
 	struct ata_host *host = dev_get_drvdata(dev);
@@ -234,9 +233,8 @@ static int pata_imx_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(pata_imx_pm_ops, pata_imx_suspend, pata_imx_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(pata_imx_pm_ops, pata_imx_suspend, pata_imx_resume);
 
 static const struct of_device_id imx_pata_dt_ids[] = {
 	{
@@ -253,7 +251,7 @@ static struct platform_driver pata_imx_driver = {
 	.driver = {
 		.name		= DRV_NAME,
 		.of_match_table	= imx_pata_dt_ids,
-		.pm		= &pata_imx_pm_ops,
+		.pm		= pm_sleep_ptr(&pata_imx_pm_ops),
 	},
 };
 

-- 
2.48.0