diff --git a/arch/sw_64/include/asm/wrperfmon.h b/arch/sw_64/include/asm/wrperfmon.h
index 098702573bfc64e9c6708eec470adbc3b9b2c95b..15f7f6beb07c0606924c0c1e74a88762f8b88ed5 100644
--- a/arch/sw_64/include/asm/wrperfmon.h
+++ b/arch/sw_64/include/asm/wrperfmon.h
@@ -33,10 +33,8 @@
 
 #define PC0_RAW_BASE			0x0
 #define PC1_RAW_BASE			0x100
-#define PC0_MIN				0x0
 #define PC0_MAX				0xF
-#define PC1_MIN				0x0
-#define PC1_MAX				0x37
+#define PC1_MAX				0x3D
 
 #define SW64_PERFCTRL_KM		2
 #define SW64_PERFCTRL_UM		3
diff --git a/arch/sw_64/kernel/perf_event.c b/arch/sw_64/kernel/perf_event.c
index 70f1f278101652e4070659f489363294c673c85b..e9aae53a56f6853fed26b86357c8bbb098504871 100644
--- a/arch/sw_64/kernel/perf_event.c
+++ b/arch/sw_64/kernel/perf_event.c
@@ -244,7 +244,7 @@ static const struct sw64_perf_event *core3_map_cache_event(u64 config)
 
 /*
  * r0xx for counter0, r1yy for counter1.
- * According to the datasheet, 00 <= xx <= 0F, 00 <= yy <= 37
+ * According to the datasheet, 00 <= xx <= 0F, 00 <= yy <= 3D
  */
 static bool core3_raw_event_valid(u64 config)
 {