--- zzzz-none-000/linux-4.9.276/arch/mips/include/asm/dsemul.h	2021-07-20 14:21:16.000000000 +0000
+++ falcon-5530-750/linux-4.9.276/arch/mips/include/asm/dsemul.h	2023-04-05 08:19:00.000000000 +0000
@@ -41,6 +41,7 @@
 extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir,
 		       unsigned long branch_pc, unsigned long cont_pc);
 
+#ifdef CONFIG_MIPS_FPU_EMULATOR
 /**
  * do_dsemulret() - Return from a delay slot 'emulation' frame
  * @xcp:	User thread register context.
@@ -88,5 +89,26 @@
  * before @mm is freed in order to avoid memory leaks.
  */
 extern void dsemul_mm_cleanup(struct mm_struct *mm);
+#else
+static inline bool do_dsemulret(struct pt_regs *xcp)
+{
+	return false;
+}
+
+static inline bool dsemul_thread_cleanup(struct task_struct *tsk)
+{
+	return false;
+}
+
+static inline bool dsemul_thread_rollback(struct pt_regs *regs)
+{
+	return false;
+}
+
+static inline void dsemul_mm_cleanup(struct mm_struct *mm)
+{
+}
+
+#endif
 
 #endif /* __MIPS_ASM_DSEMUL_H__ */