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Message-Id: <1444326827-3565-11-git-send-email-robh@kernel.org>
Date: Thu, 8 Oct 2015 12:53:44 -0500
From: Rob Herring <robh@...nel.org>
To: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Grant Likely <grant.likely@...aro.org>,
Frank Rowand <frowand.list@...il.com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Olof Johansson <olof@...om.net>,
Ley Foon Tan <lftan@...era.com>,
nios2-dev@...ts.rocketboards.org
Subject: [PATCH v2 10/13] nios2: use common make variables for dtb builds
Use common rules and dtb-y and always make variables to build dtbs
instead of explicit dtbs rule. Add the missing script dependencies as
well.
This is in preparation to support building all dtbs.
Signed-off-by: Rob Herring <robh@...nel.org>
Cc: Ley Foon Tan <lftan@...era.com>
Cc: nios2-dev@...ts.rocketboards.org
---
arch/nios2/Makefile | 10 +++++-----
arch/nios2/boot/Makefile | 13 +++----------
arch/nios2/boot/dts/Makefile | 3 +++
3 files changed, 11 insertions(+), 15 deletions(-)
create mode 100644 arch/nios2/boot/dts/Makefile
diff --git a/arch/nios2/Makefile b/arch/nios2/Makefile
index 2328f82..5508587 100644
--- a/arch/nios2/Makefile
+++ b/arch/nios2/Makefile
@@ -41,7 +41,7 @@ core-y += arch/nios2/platform/
INSTALL_PATH ?= /tftpboot
nios2-boot := arch/$(ARCH)/boot
BOOT_TARGETS = vmImage zImage
-PHONY += $(BOOT_TARGETS) install
+PHONY += $(BOOT_TARGETS) install dtbs
KBUILD_IMAGE := $(nios2-boot)/vmImage
ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"")
@@ -53,11 +53,11 @@ all: vmImage
archclean:
$(Q)$(MAKE) $(clean)=$(nios2-boot)
-%.dtb:
- $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
+%.dtb: scripts
+ $(Q)$(MAKE) $(build)=$(nios2-boot)/dts $(nios2-boot)/dts/$@
-dtbs:
- $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
+dtbs: prepare scripts
+ $(Q)$(MAKE) $(build)=$(nios2-boot)/dts
$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
diff --git a/arch/nios2/boot/Makefile b/arch/nios2/boot/Makefile
index c899876..187e45d 100644
--- a/arch/nios2/boot/Makefile
+++ b/arch/nios2/boot/Makefile
@@ -31,6 +31,9 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$(obj)/compressed/vmlinux: $(obj)/vmlinux.gz FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
+# Let clean descend into subdirs
+subdir- := dts
+
# Rule to build device tree blobs
DTB_SRC := $(patsubst "%",%,$(CONFIG_NIOS2_DTB_SOURCE))
@@ -45,15 +48,5 @@ $(obj)/linked_dtb.o: $(obj)/system.dtb
obj-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += linked_dtb.o
-targets += $(dtb-y)
-
-# Rule to build device tree blobs with make command
-$(obj)/%.dtb: $(src)/dts/%.dts FORCE
- $(call if_changed_dep,dtc)
-
-$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
-
-clean-files := *.dtb
-
install:
sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
diff --git a/arch/nios2/boot/dts/Makefile b/arch/nios2/boot/dts/Makefile
new file mode 100644
index 0000000..1c52039
--- /dev/null
+++ b/arch/nios2/boot/dts/Makefile
@@ -0,0 +1,3 @@
+always := $(dtb-y)
+clean-files := *.dtb
+
--
2.1.4
--
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