include/linux/pm-trace.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef PM_TRACE_H
0003 #define PM_TRACE_H
0004
0005 #include <linux/types.h>
0006 #ifdef CONFIG_PM_TRACE
0007 #include <asm/pm-trace.h>
0008
0009 extern int pm_trace_enabled;
0010 extern bool pm_trace_rtc_abused;
0011
0012 static inline bool pm_trace_rtc_valid(void)
0013 {
0014     return !pm_trace_rtc_abused;
0015 }
0016
0017 static inline int pm_trace_is_enabled(void)
0018 {
0019        return pm_trace_enabled;
0020 }
0021
0022 struct device;
0023 extern void set_trace_device(struct device *);
0024 extern void generate_pm_trace(const void *tracedata, unsigned int user);
0025 extern int show_trace_dev_match(char *buf, size_t size);
0026
0027 #define TRACE_DEVICE(dev) do { \
0028     if (pm_trace_enabled) \
0029         set_trace_device(dev); \
0030     } while(0)
0031
0032 #else
0033
0034 static inline bool pm_trace_rtc_valid(void) { return true; }
0035 static inline int pm_trace_is_enabled(void) { return 0; }
0036
0037 #define TRACE_DEVICE(dev) do { } while (0)
0038 #define TRACE_RESUME(dev) do { } while (0)
0039 #define TRACE_SUSPEND(dev) do { } while (0)
0040
0041 #endif
0042
0043 #endif