--- zzzz-none-000/linux-3.10.107/arch/mips/mm/c-tx39.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/mm/c-tx39.c	2021-02-04 17:41:59.000000000 +0000
@@ -28,8 +28,6 @@
 
 #include <asm/r4kcache.h>
 
-extern int r3k_have_wired_reg;	/* in r3k-tlb.c */
-
 /* This sequence is required to ensure icache is disabled immediately */
 #define TX39_STOP_STREAMING() \
 __asm__ __volatile__( \
@@ -344,7 +342,7 @@
 	}
 }
 
-void __cpuinit tx39_cache_init(void)
+void tx39_cache_init(void)
 {
 	extern void build_clear_page(void);
 	extern void build_copy_page(void);
@@ -383,8 +381,6 @@
 	case CPU_TX3927:
 	default:
 		/* TX39/H2,H3 core (writeback 2way-set-associative cache) */
-		r3k_have_wired_reg = 1;
-		write_c0_wired(0);	/* set 8 on reset... */
 		/* board-dependent init code may set WBON */
 
 		__flush_cache_vmap	= tx39__flush_cache_vmap;