1 #ifndef PM_TRACE_H 2 #define PM_TRACE_H 3 4 #ifdef CONFIG_PM_TRACE 5 #include <asm/pm-trace.h> 6 #include <linux/types.h> 7 8 extern int pm_trace_enabled; 9 10 static inline int pm_trace_is_enabled(void) 11 { 12 return pm_trace_enabled; 13 } 14 15 struct device; 16 extern void set_trace_device(struct device *); 17 extern void generate_pm_trace(const void *tracedata, unsigned int user); 18 extern int show_trace_dev_match(char *buf, size_t size); 19 20 #define TRACE_DEVICE(dev) do { \ 21 if (pm_trace_enabled) \ 22 set_trace_device(dev); \ 23 } while(0) 24 25 #else 26 27 static inline int pm_trace_is_enabled(void) { return 0; } 28 29 #define TRACE_DEVICE(dev) do { } while (0) 30 #define TRACE_RESUME(dev) do { } while (0) 31 #define TRACE_SUSPEND(dev) do { } while (0) 32 33 #endif 34 35 #endif 36