diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 456e3e5..40a8ac7 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -123,6 +123,11 @@
 # only to r0p0 and r1p0 of the Ares cpu.
 ERRATA_ARES_1043202	?=1
 
+# Flag to apply DSU erratum 936184. This erratum applies to DSUs containing
+# the ACP interface and revision < r2p0. Applying the workaround results in
+# higher DSU power consumption on idle.
+ERRATA_DSU_936184	?=0
+
 # Process ERRATA_A53_826319 flag
 $(eval $(call assert_boolean,ERRATA_A53_826319))
 $(eval $(call add_define,ERRATA_A53_826319))
@@ -187,6 +192,10 @@
 $(eval $(call assert_boolean,ERRATA_ARES_1043202))
 $(eval $(call add_define,ERRATA_ARES_1043202))
 
+# Process ERRATA_DSU_936184 flag
+$(eval $(call assert_boolean,ERRATA_DSU_936184))
+$(eval $(call add_define,ERRATA_DSU_936184))
+
 # Errata build flags
 ifneq (${ERRATA_A53_843419},0)
 TF_LDFLAGS_aarch64	+= --fix-cortex-a53-843419