diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 799dc6db784726d584920287a5b7bc226751125c..08d1bbe905ebaa9be7aabd59e32262a40ce866d7 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -171,6 +171,9 @@
 #endif
 #endif
 
+#ifndef cpu_has_mips_1
+# define cpu_has_mips_1		(!cpu_has_mips_r6)
+#endif
 #ifndef cpu_has_mips_2
 # define cpu_has_mips_2		(cpu_data[0].isa_level & MIPS_CPU_ISA_II)
 #endif
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 097fc8d14e4225288733bac25f6ea17c6737d1c8..130af7d26a9c5de2fe2ec5fdd5969d9bd4a5f42a 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -82,7 +82,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		seq_printf(m, "]\n");
 	}
 
-	seq_printf(m, "isa\t\t\t: mips1");
+	seq_printf(m, "isa\t\t\t:"); 
+	if (cpu_has_mips_r1)
+		seq_printf(m, " mips1");
 	if (cpu_has_mips_2)
 		seq_printf(m, "%s", " mips2");
 	if (cpu_has_mips_3)
@@ -95,10 +97,14 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		seq_printf(m, "%s", " mips32r1");
 	if (cpu_has_mips32r2)
 		seq_printf(m, "%s", " mips32r2");
+	if (cpu_has_mips32r6)
+		seq_printf(m, "%s", " mips32r6");
 	if (cpu_has_mips64r1)
 		seq_printf(m, "%s", " mips64r1");
 	if (cpu_has_mips64r2)
 		seq_printf(m, "%s", " mips64r2");
+	if (cpu_has_mips64r6)
+		seq_printf(m, "%s", " mips64r6");
 	seq_printf(m, "\n");
 
 	seq_printf(m, "ASEs implemented\t:");