include/linux/pm-trace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef PM_TRACE_H
   3 #define PM_TRACE_H
   4
   5 #include <linux/types.h>
   6 #ifdef CONFIG_PM_TRACE
   7 #include <asm/pm-trace.h>
   8
   9 extern int pm_trace_enabled;
  10 extern bool pm_trace_rtc_abused;
  11
  12 static inline bool pm_trace_rtc_valid(void)
  13 {
  14         return !pm_trace_rtc_abused;
  15 }
  16
  17 static inline int pm_trace_is_enabled(void)
  18 {
  19        return pm_trace_enabled;
  20 }
  21
  22 struct device;
  23 extern void set_trace_device(struct device *);
  24 extern void generate_pm_trace(const void *tracedata, unsigned int user);
  25 extern int show_trace_dev_match(char *buf, size_t size);
  26
  27 #define TRACE_DEVICE(dev) do { \
  28         if (pm_trace_enabled) \
  29                 set_trace_device(dev); \
  30         } while(0)
  31
  32 #else
  33
  34 static inline bool pm_trace_rtc_valid(void) { return true; }
  35 static inline int pm_trace_is_enabled(void) { return 0; }
  36
  37 #define TRACE_DEVICE(dev) do { } while (0)
  38 #define TRACE_RESUME(dev) do { } while (0)
  39 #define TRACE_SUSPEND(dev) do { } while (0)
  40
  41 #endif
  42
  43 #endif