diff --git a/[refs] b/[refs]
index 5abdc0e43d9c..4ce74c71d268 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0a972468ec3f8a5f86193a8f124f7b04cf600c3c
+refs/heads/master: d1eca29e7adc5e50165b9856cbb00014c274c5c7
diff --git a/trunk/arch/xtensa/include/asm/coprocessor.h b/trunk/arch/xtensa/include/asm/coprocessor.h
index 65a285d8d3fb..75c94a1658b0 100644
--- a/trunk/arch/xtensa/include/asm/coprocessor.h
+++ b/trunk/arch/xtensa/include/asm/coprocessor.h
@@ -13,6 +13,7 @@
 #define _XTENSA_COPROCESSOR_H
 
 #include <linux/stringify.h>
+#include <variant/core.h>
 #include <variant/tie.h>
 #include <asm/types.h>