minor clean up in building files

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

drivers/fmc/Kbuild

@@ -4,14 +4,15 @@
 
 ifdef CONFIG_SUPER_REPO
 ifdef CONFIG_SUPER_REPO_VERSION
-SUBMODULE_VERSIONS += MODULE_INFO(version_$(CONFIG_SUPER_REPO),\"$(CONFIG_SUPER_REPO_VERSION)\");
+SUBMODULE_VERSIONS-y += MODULE_INFO(version_$(CONFIG_SUPER_REPO),\"$(CONFIG_SUPER_REPO_VERSION)\");
 endif
 endif
 
-# The library includes <sdb.h>, so point -I directtly there
 # include our header before to avoid conflicts with the kernel
 LINUXINCLUDE := -I$(src)/include -I$(src)/../../include -I$(src)/../../include/linux $(LINUXINCLUDE)
 
+ccflags-y += -DADDITIONAL_VERSIONS="$(SUBMODULE_VERSIONS-y)"
+ccflags-y += -Werror
 ccflags-y += -I$(src)/../../include
 
 obj-$(CONFIG_FMC) = fmc.o

drivers/fmc/Makefile

@@ -14,7 +14,7 @@ export CONFIG_FMC=m
 
 all: modules
 
-modules help install modules_install:
-	make -C $(LINUX) M=$(shell pwd)
+clean modules help modules_install:
+	make -C $(LINUX) M=$(shell pwd) $@
 
 .PHONY: all modules clean help install modules_install

drivers/fmc/fmc-core.c

@@ -466,3 +466,5 @@ MODULE_LICENSE("GPL v2");
 
 subsys_initcall(fmc_init);
 module_exit(fmc_exit);
+
+ADDITIONAL_VERSIONS;