diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 057571fab599..7c2a9e7c8e0f 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -355,8 +355,7 @@ static int xhci_plat_remove(struct platform_device *dev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int xhci_plat_suspend(struct device *dev)
+static int __maybe_unused xhci_plat_suspend(struct device *dev)
 {
 	struct usb_hcd	*hcd = dev_get_drvdata(dev);
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
@@ -378,7 +377,7 @@ static int xhci_plat_suspend(struct device *dev)
 	return ret;
 }
 
-static int xhci_plat_resume(struct device *dev)
+static int __maybe_unused xhci_plat_resume(struct device *dev)
 {
 	struct usb_hcd	*hcd = dev_get_drvdata(dev);
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
@@ -393,10 +392,8 @@ static int xhci_plat_resume(struct device *dev)
 
 	return xhci_resume(xhci, 0);
 }
-#endif /* CONFIG_PM_SLEEP */
 
-#ifdef CONFIG_PM
-static int xhci_plat_runtime_suspend(struct device *dev)
+static int __maybe_unused xhci_plat_runtime_suspend(struct device *dev)
 {
 	struct usb_hcd  *hcd = dev_get_drvdata(dev);
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
@@ -404,14 +401,13 @@ static int xhci_plat_runtime_suspend(struct device *dev)
 	return xhci_suspend(xhci, true);
 }
 
-static int xhci_plat_runtime_resume(struct device *dev)
+static int __maybe_unused xhci_plat_runtime_resume(struct device *dev)
 {
 	struct usb_hcd  *hcd = dev_get_drvdata(dev);
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 
 	return xhci_resume(xhci, 0);
 }
-#endif /* CONFIG_PM */
 
 static const struct dev_pm_ops xhci_plat_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(xhci_plat_suspend, xhci_plat_resume)
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index cae8fb901aa8..73a28a986d5e 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2004,13 +2004,8 @@ void xhci_init_driver(struct hc_driver *drv,
 int xhci_disable_slot(struct xhci_hcd *xhci,
 			struct xhci_command *command, u32 slot_id);
 
-#ifdef	CONFIG_PM
 int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup);
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
-#else
-#define	xhci_suspend	NULL
-#define	xhci_resume	NULL
-#endif
 
 irqreturn_t xhci_irq(struct usb_hcd *hcd);
 irqreturn_t xhci_msi_irq(int irq, void *hcd);