1 files changed, 6 insertions, 5 deletions

diff --git a/Makefile b/Makefile
index e9560c6f8156..4dcf25d43fa6 100644
--- a/Makefile
+++ b/Makefile
@@ -41,8 +41,9 @@ ifndef KBUILD_VERBOSE
   KBUILD_VERBOSE = 0
 endif
 
-# Call sparse as part of compilation of C files
-# Use 'make C=1' to enable sparse checking
+# Call checker as part of compilation of C files
+# Use 'make C=1' to enable checking (sparse, by default)
+# Override with 'make C=1 CHECK=checker_executable CHECKFLAGS=....'
 
 ifdef C
   ifeq ("$(origin C)", "command line")
@@ -1060,8 +1061,8 @@ help:
 
         @echo  '  make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
         @echo  '  make O=dir [targets] Locate all output files in "dir", including .config'
-        @echo  '  make C=1   [targets] Check all c source with $$CHECK (sparse)'
-        @echo  '  make C=2   [targets] Force check of all c source with $$CHECK (sparse)'
+        @echo  '  make C=1   [targets] Check all c source with $$CHECK (sparse by default)'
+        @echo  '  make C=2   [targets] Force check of all c source with $$CHECK'
         @echo  ''
         @echo  'Execute "make" or "make all" to build all targets marked with [*] '
         @echo  'For further info see the ./README file'
@@ -1352,7 +1353,7 @@ quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN   $(wildcard $(rm-files))
 
 a_flags = -Wp,-MD,$(depfile) $(AFLAGS) $(AFLAGS_KERNEL) \
           $(NOSTDINC_FLAGS) $(CPPFLAGS) \
-          $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
+          $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o)
 
 quiet_cmd_as_o_S = AS      $@
 cmd_as_o_S       = $(CC) $(a_flags) -c -o $@ $<