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-rw-r--r--drivers/usb/host/xhci.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 33d0034d8a6..9dc5be557d9 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -551,6 +551,7 @@ void xhci_shutdown(struct usb_hcd *hcd)
xhci_readl(xhci, &xhci->op_regs->status));
}
+#ifdef CONFIG_PM
static void xhci_save_registers(struct xhci_hcd *xhci)
{
xhci->s3.command = xhci_readl(xhci, &xhci->op_regs->command);
@@ -761,6 +762,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
return 0;
}
+#else
+
+#define xhci_suspend NULL
+#define xhci_resume NULL
+
+#endif /* CONFIG_PM */
+
/*-------------------------------------------------------------------------*/
/**