platform / x86 / PM: Fix unused function warnings for CONFIG_PM_SLEEP

According to compiler warnings, quite some suspend/resume functions
in platform x86 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, 4 insertions, 0 deletions

diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index f64441844317..2111dbb7e1e3 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -85,7 +85,9 @@
 #define MSI_STANDARD_EC_TOUCHPAD_ADDRESS        0xe4
 #define MSI_STANDARD_EC_TOUCHPAD_MASK           (1 << 4)
 
+#ifdef CONFIG_PM_SLEEP
 static int msi_laptop_resume(struct device *device);
+#endif
 static SIMPLE_DEV_PM_OPS(msi_laptop_pm, NULL, msi_laptop_resume);
 
 #define MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS  0x2f
@@ -753,6 +755,7 @@ err_bluetooth:
         return retval;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int msi_laptop_resume(struct device *device)
 {
         u8 data;
@@ -773,6 +776,7 @@ static int msi_laptop_resume(struct device *device)
 
         return 0;
 }
+#endif
 
 static int __init msi_laptop_input_setup(void)
 {