rtc: cmos: avoid unused function warning

[mirror_ubuntu-artful-kernel.git] / drivers / rtc / rtc-cmos.c

diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 2943a0d58a3ad68183bcbb63b1bb185e8bbeceb4..dd3d59806ffa02ef955660390533881d9f6cee62 100644 (file)
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -848,8 +848,6 @@ static int cmos_aie_poweroff(struct device *dev)
        return retval;
 }
 
-#ifdef CONFIG_PM
-
 static int cmos_suspend(struct device *dev)
 {
        struct cmos_rtc *cmos = dev_get_drvdata(dev);
@@ -898,11 +896,12 @@ static int cmos_suspend(struct device *dev)
  */
 static inline int cmos_poweroff(struct device *dev)
 {
+       if (!IS_ENABLED(CONFIG_PM))
+               return -ENOSYS;
+
        return cmos_suspend(dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
-
 static void cmos_check_wkalrm(struct device *dev)
 {
        struct cmos_rtc *cmos = dev_get_drvdata(dev);
@@ -922,7 +921,7 @@ static void cmos_check_wkalrm(struct device *dev)
 static void cmos_check_acpi_rtc_status(struct device *dev,
                                       unsigned char *rtc_control);
 
-static int cmos_resume(struct device *dev)
+static int __maybe_unused cmos_resume(struct device *dev)
 {
        struct cmos_rtc *cmos = dev_get_drvdata(dev);
        unsigned char tmp;
@@ -975,16 +974,6 @@ static int cmos_resume(struct device *dev)
        return 0;
 }
 
-#endif
-#else
-
-static inline int cmos_poweroff(struct device *dev)
-{
-       return -ENOSYS;
-}
-
-#endif
-
 static SIMPLE_DEV_PM_OPS(cmos_pm_ops, cmos_suspend, cmos_resume);
 
 /*----------------------------------------------------------------*/
@@ -1278,9 +1267,7 @@ static struct platform_driver cmos_platform_driver = {
        .shutdown       = cmos_platform_shutdown,
        .driver = {
                .name           = driver_name,
-#ifdef CONFIG_PM
                .pm             = &cmos_pm_ops,
-#endif
                .of_match_table = of_match_ptr(of_cmos_match),
        }
 };