tracing: Add TRACE_SYSTEM_VAR to xhci-hcd
authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>
Wed, 1 Apr 2015 18:22:01 +0000 (14:22 -0400)
committerSteven Rostedt <rostedt@goodmis.org>
Tue, 7 Apr 2015 16:31:55 +0000 (12:31 -0400)
New code will require TRACE_SYSTEM to be a valid C variable name,
but some tracepoints have TRACE_SYSTEM with '-' and not '_', so
it can not be used. Instead, add a TRACE_SYSTEM_VAR that can
give the tracing infrastructure a unique name for the trace system.

Cc: Xenia Ragiadakou <burzalodowa@gmail.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
drivers/usb/host/xhci-trace.h

index dde3959b7a33a1924a21ee915c0135d23dc64ca7..59c05653b2ea21517b380ec8dfae9d01baadea14 100644 (file)
 #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