hwmon: (nct6775) Convert to use SIMPLE_DEV_PM_OPS

Get rid of #ifdef CONFIG_PM by using SIMPLE_DEV_PM_OPS and declaring suspend
and resume functions with __maybe_unused.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 5 insertions, 17 deletions

diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 1be41177b620..db6a68efc389 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -880,12 +880,11 @@ struct nct6775_data {
         u16 have_temp;
         u16 have_temp_fixed;
         u16 have_in;
-#ifdef CONFIG_PM
+
         /* Remember extra register values over suspend/resume */
         u8 vbat;
         u8 fandiv1;
         u8 fandiv2;
-#endif
 };
 
 struct nct6775_sio_data {
@@ -3989,8 +3988,7 @@ static void nct6791_enable_io_mapping(int sioaddr)
         }
 }
 
-#ifdef CONFIG_PM
-static int nct6775_suspend(struct device *dev)
+static int __maybe_unused nct6775_suspend(struct device *dev)
 {
         struct nct6775_data *data = nct6775_update_device(dev);
 
@@ -4005,7 +4003,7 @@ static int nct6775_suspend(struct device *dev)
         return 0;
 }
 
-static int nct6775_resume(struct device *dev)
+static int __maybe_unused nct6775_resume(struct device *dev)
 {
         struct nct6775_data *data = dev_get_drvdata(dev);
         int i, j, err = 0;
@@ -4066,22 +4064,12 @@ abort:
         return err;
 }
 
-static const struct dev_pm_ops nct6775_dev_pm_ops = {
-        .suspend = nct6775_suspend,
-        .resume = nct6775_resume,
-        .freeze = nct6775_suspend,
-        .restore = nct6775_resume,
-};
-
-#define NCT6775_DEV_PM_OPS      (&nct6775_dev_pm_ops)
-#else
-#define NCT6775_DEV_PM_OPS      NULL
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(nct6775_dev_pm_ops, nct6775_suspend, nct6775_resume);
 
 static struct platform_driver nct6775_driver = {
         .driver = {
                 .name   = DRVNAME,
-                .pm     = NCT6775_DEV_PM_OPS,
+                .pm     = &nct6775_dev_pm_ops,
         },
         .probe          = nct6775_probe,
 };