diff --git a/.checkpatch.conf b/.checkpatch.conf
index ed0c2150ba..9e40ea060b 100644
--- a/.checkpatch.conf
+++ b/.checkpatch.conf
@@ -26,6 +26,9 @@
 # addresses are __aligned(2)".
 --ignore PREFER_ETHER_ADDR_COPY
 
+# ENOSYS is a conventionally used error, even though U-Boot lacks system calls.
+--ignore ENOSYS
+
 # A bit shorter of a description is OK with us.
 --min-conf-desc-length=2