usb: dwc3: of-simple: fix build warning on !PM

if we have a !PM kernel build, our runtime
suspend/resume callbacks will be left defined but
unused. Add a ifdef CONFIG_PM guard.

Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
index 60c4c5a4430725eb2da32a1ecd680ddaef2c0254..9c9f7415506640c82626d62167c99f3124acbe0e 100644 (file)
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -122,6 +122,7 @@ static int dwc3_of_simple_remove(struct platform_device *pdev)
        return 0;
 }
 
+#ifdef CONFIG_PM
 static int dwc3_of_simple_runtime_suspend(struct device *dev)
 {
        struct dwc3_of_simple   *simple = dev_get_drvdata(dev);
@@ -150,6 +151,7 @@ static int dwc3_of_simple_runtime_resume(struct device *dev)
 
        return 0;
 }
+#endif
 
 static const struct dev_pm_ops dwc3_of_simple_dev_pm_ops = {
        SET_RUNTIME_PM_OPS(dwc3_of_simple_runtime_suspend,