2 files changed, 4 insertions, 7 deletions

diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
index 760323e70ebc..a62d2823f6cf 100644
--- a/scripts/Makefile.asm-generic
+++ b/scripts/Makefile.asm-generic
@@ -14,6 +14,10 @@ src := $(subst /generated,,$(obj))
 
 include scripts/Kbuild.include
 
+# If arch does not implement mandatory headers, fallback to asm-generic ones.
+mandatory-y := $(filter-out $(generated-y), $(mandatory-y))
+generic-y   += $(foreach f, $(mandatory-y), $(if $(wildcard $(srctree)/$(src)/$(f)),,$(f)))
+
 generic-y   := $(addprefix $(obj)/, $(generic-y))
 generated-y := $(addprefix $(obj)/, $(generated-y))
 
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 45927fcddbc0..3d1ebaabd1b6 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -56,13 +56,6 @@ check-file    := $(installdir)/.check
 all-files     := $(header-files) $(genhdr-files)
 output-files  := $(addprefix $(installdir)/, $(all-files))
 
-ifneq ($(mandatory-y),)
-missing       := $(filter-out $(all-files),$(mandatory-y))
-ifneq ($(missing),)
-$(error Some mandatory headers ($(missing)) are missing in $(obj))
-endif
-endif
-
 # Work out what needs to be removed
 oldheaders    := $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h))
 unwanted      := $(filter-out $(all-files),$(oldheaders))