usb: ehci: add rockchip relinquishing port quirk support

[firefly-linux-kernel-4.4.55.git] / drivers / usb / host / xhci-trace.h

diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
index dde3959b7a33a1924a21ee915c0135d23dc64ca7..59c05653b2ea21517b380ec8dfae9d01baadea14 100644 (file)
--- a/drivers/usb/host/xhci-trace.h
+++ b/drivers/usb/host/xhci-trace.h
@@ -14,6 +14,13 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM xhci-hcd
 
+/*
+ * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
+ * legitimate C variable. It is not exported to user space.
+ */
+#undef TRACE_SYSTEM_VAR
+#define TRACE_SYSTEM_VAR xhci_hcd
+
 #if !defined(__XHCI_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define __XHCI_TRACE_H