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-rw-r--r--kernel/include/linux/pm-trace.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/kernel/include/linux/pm-trace.h b/kernel/include/linux/pm-trace.h
new file mode 100644
index 000000000..ecbde7a55
--- /dev/null
+++ b/kernel/include/linux/pm-trace.h
@@ -0,0 +1,35 @@
+#ifndef PM_TRACE_H
+#define PM_TRACE_H
+
+#ifdef CONFIG_PM_TRACE
+#include <asm/pm-trace.h>
+#include <linux/types.h>
+
+extern int pm_trace_enabled;
+
+static inline int pm_trace_is_enabled(void)
+{
+ return pm_trace_enabled;
+}
+
+struct device;
+extern void set_trace_device(struct device *);
+extern void generate_pm_trace(const void *tracedata, unsigned int user);
+extern int show_trace_dev_match(char *buf, size_t size);
+
+#define TRACE_DEVICE(dev) do { \
+ if (pm_trace_enabled) \
+ set_trace_device(dev); \
+ } while(0)
+
+#else
+
+static inline int pm_trace_is_enabled(void) { return 0; }
+
+#define TRACE_DEVICE(dev) do { } while (0)
+#define TRACE_RESUME(dev) do { } while (0)
+#define TRACE_SUSPEND(dev) do { } while (0)
+
+#endif
+
+#endif