--- zzzz-none-000/linux-4.19.183/include/linux/printk.h	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/include/linux/printk.h	2023-06-28 08:54:20.000000000 +0000
@@ -174,6 +174,17 @@
 asmlinkage __printf(1, 2) __cold
 int printk(const char *fmt, ...);
 
+asmlinkage __printf(1, 0)
+int vprintk(const char *fmt, va_list args);
+
+#ifdef CONFIG_AVM_ENHANCED
+asmlinkage __printf(1, 2) __cold
+int printk_linux(const char *fmt, ...);
+
+extern void vprintk_restore(void); /* depreciated: use printk_avm_console_bend() instead */
+extern int printk_avm_console_bend(unsigned int activate);
+#endif
+
 /*
  * Special printk facility for scheduler/timekeeping use only, _DO_NOT_USE_ !
  */
@@ -224,6 +235,30 @@
 {
 	return 0;
 }
+#ifdef CONFIG_AVM_ENHANCED
+static inline __printf(1, 2) __cold
+int printk_linux(const char *fmt __maybe_unused, ...)
+{
+	return 0;
+}
+static inline int printk_avm_console_bend(unsigned int activate __maybe_unused) {
+	return 0;
+}
+#endif
+
+static inline __printf(5, 0) __cold
+int vprintk_emit(int facility __maybe_unused, int level __maybe_unused,
+		 const char *dict __maybe_unused, size_t dictlen __maybe_unused,
+		 const char *fmt __maybe_unused, va_list args __maybe_unused)
+{
+	return 0;
+}
+
+static inline __printf(1, 2) __cold
+int printk_sched(const char *s __maybe_unused, ...)
+{
+	return 0;
+}
 static inline int printk_ratelimit(void)
 {
 	return 0;
@@ -283,6 +318,11 @@
 
 extern int kptr_restrict;
 
+/* extra ratelimit state for bcm_printk() and blog_dump() debugs. */
+extern int __bcm_printk_ratelimit(const char *func);
+#define bcm_printk_ratelimit() __bcm_printk_ratelimit(__func__)
+
+
 #ifndef pr_fmt
 #define pr_fmt(fmt) fmt
 #endif