ACPI / PM: Fix unused function warnings for CONFIG_PM_SLEEP

According to compiler warnings, several suspend/resume functions
in ACPI drivers are not used for CONFIG_PM_SLEEP unset, so add
#ifdefs to prevent them from being built in that case.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index c0b9aa5faf4c..ff0740e0a9c2 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -988,6 +988,7 @@ static void acpi_sbs_rmdirs(void)
 #endif
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int acpi_sbs_resume(struct device *dev)
 {
         struct acpi_sbs *sbs;
@@ -997,6 +998,7 @@ static int acpi_sbs_resume(struct device *dev)
         acpi_sbs_callback(sbs);
         return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(acpi_sbs_pm, NULL, acpi_sbs_resume);