uapi: Allow automatic generation of uapi/asm/ header files

Several arch/*/include/uapi/asm/* header simply include the
corresponding <asm-generic/*> file. This patch allows such files to be
specified in uapi/asm/Kbuild via "generic-y += ..." to be automatically
generated (similar to asm/Kbuild).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Arnd Bergmann <arnd@arndb.de>

2 files changed, 4 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index 5be2ee8c90e4..366d0ab0c5fe 100644
--- a/Makefile
+++ b/Makefile
@@ -437,7 +437,9 @@ endif
 PHONY += asm-generic
 asm-generic:
         $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
-                    obj=arch/$(SRCARCH)/include/generated/asm
+                    src=asm obj=arch/$(SRCARCH)/include/generated/asm
+        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
+                    src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm
 
 # To make sure we do not include .config for any of the *config targets
 # catch them early, and hand them over to scripts/kconfig/Makefile
diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
index 40caf3c26cd5..d17e0ea911ed 100644
--- a/scripts/Makefile.asm-generic
+++ b/scripts/Makefile.asm-generic
@@ -5,7 +5,7 @@
 # and for each file listed in this file with generic-y creates
 # a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm)
 
-kbuild-file := $(srctree)/arch/$(SRCARCH)/include/asm/Kbuild
+kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild
 -include $(kbuild-file)
 
 include scripts/Kbuild.include