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Diffstat (limited to 'include/linux/suspend.h')
-rw-r--r--include/linux/suspend.h44
1 files changed, 39 insertions, 5 deletions
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 300273ff40cc..70f2921e2e70 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -542,22 +542,56 @@ static inline void unlock_system_sleep(void) {}
#ifdef CONFIG_PM_SLEEP_DEBUG
extern bool pm_print_times_enabled;
extern bool pm_debug_messages_on;
-extern __printf(2, 3) void __pm_pr_dbg(bool defer, const char *fmt, ...);
+static inline int pm_dyn_debug_messages_on(void)
+{
+#ifdef CONFIG_DYNAMIC_DEBUG
+ return 1;
+#else
+ return 0;
+#endif
+}
+#ifndef pr_fmt
+#define pr_fmt(fmt) "PM: " fmt
+#endif
+#define __pm_pr_dbg(fmt, ...) \
+ do { \
+ if (pm_debug_messages_on) \
+ printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
+ else if (pm_dyn_debug_messages_on()) \
+ pr_debug(fmt, ##__VA_ARGS__); \
+ } while (0)
+#define __pm_deferred_pr_dbg(fmt, ...) \
+ do { \
+ if (pm_debug_messages_on) \
+ printk_deferred(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
+ } while (0)
#else
#define pm_print_times_enabled (false)
#define pm_debug_messages_on (false)
#include <linux/printk.h>
-#define __pm_pr_dbg(defer, fmt, ...) \
- no_printk(KERN_DEBUG fmt, ##__VA_ARGS__)
+#define __pm_pr_dbg(fmt, ...) \
+ no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+#define __pm_deferred_pr_dbg(fmt, ...) \
+ no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif
+/**
+ * pm_pr_dbg - print pm sleep debug messages
+ *
+ * If pm_debug_messages_on is enabled, print message.
+ * If pm_debug_messages_on is disabled and CONFIG_DYNAMIC_DEBUG is enabled,
+ * print message only from instances explicitly enabled on dynamic debug's
+ * control.
+ * If pm_debug_messages_on is disabled and CONFIG_DYNAMIC_DEBUG is disabled,
+ * don't print message.
+ */
#define pm_pr_dbg(fmt, ...) \
- __pm_pr_dbg(false, fmt, ##__VA_ARGS__)
+ __pm_pr_dbg(fmt, ##__VA_ARGS__)
#define pm_deferred_pr_dbg(fmt, ...) \
- __pm_pr_dbg(true, fmt, ##__VA_ARGS__)
+ __pm_deferred_pr_dbg(fmt, ##__VA_ARGS__)
#ifdef CONFIG_PM_AUTOSLEEP