[PATCH RFC 05/14] ahci: imx: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()

[Raphael Gallais-Pou]

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 at gmail.com>
---
 drivers/ata/ahci_imx.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index f01f08048f97aa230877e413ba6e416d79779c1b..ec75a16c630a79ce10ea98b16c44c9a3908f869f 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -993,7 +993,6 @@ static void ahci_imx_host_stop(struct ata_host *host)
 	clk_disable_unprepare(imxpriv->sata_clk);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int imx_ahci_suspend(struct device *dev)
 {
 	struct ata_host *host = dev_get_drvdata(dev);
@@ -1021,9 +1020,8 @@ static int imx_ahci_resume(struct device *dev)
 
 	return ahci_platform_resume_host(dev);
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(ahci_imx_pm_ops, imx_ahci_suspend, imx_ahci_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(ahci_imx_pm_ops, imx_ahci_suspend, imx_ahci_resume);
 
 static struct platform_driver imx_ahci_driver = {
 	.probe = imx_ahci_probe,
@@ -1031,7 +1029,7 @@ static struct platform_driver imx_ahci_driver = {
 	.driver = {
 		.name = DRV_NAME,
 		.of_match_table = imx_ahci_of_match,
-		.pm = &ahci_imx_pm_ops,
+		.pm = pm_sleep_ptr(&ahci_imx_pm_ops),
 	},
 };
 module_platform_driver(imx_ahci_driver);

-- 
2.48.0