Allow platforms to reuse DT headers and dtsi includes directly form upstream DT subtree which will be frequently synced with Linux kernel. This will further allow us to drop corresponding DT includes copy from U-Boot tree.
Also, since the DT includes from upstream DT subtree are done after DT includes from U-Boot tree, so it shouldn't cause any conflicts.
Tested-by: Bryan Brattlof bb@ti.com Signed-off-by: Sumit Garg sumit.garg@linaro.org ---
Changes in v5: - None
Changes in v4: - New patch to reuse upstream DT includes by U-Boot as per Brian's use-case for TI K3 SoCs.
Makefile | 3 ++- scripts/Makefile.lib | 5 +++++ 2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile index c7e5e0384af3..996a43c8624a 100644 --- a/Makefile +++ b/Makefile @@ -835,7 +835,8 @@ UBOOTINCLUDE := \ -I$(srctree)/arch/arm/thumb1/include), \ -I$(srctree)/arch/arm/thumb1/include)) \ -I$(srctree)/arch/$(ARCH)/include \ - -include $(srctree)/include/linux/kconfig.h + -include $(srctree)/include/linux/kconfig.h \ + -I$(srctree)/dts/upstream/include
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index fe2a0aadc417..fbcaf335f9aa 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -189,12 +189,17 @@ dtsi_include_list = $(strip $(u_boot_dtsi_options_debug) \ dtsi_include_list += $(CONFIG_DEVICE_TREE_INCLUDES)
# Modified for U-Boot +upstream_dtsi_include = $(addprefix -I, $(srctree)/dts/upstream/src/ \ + $(sort $(dir $(wildcard $(srctree)/dts/upstream/src/$(ARCH)/*/*))) \ + $(if (CONFIG_ARM64), \ + $(sort $(dir $(wildcard $(srctree)/dts/upstream/src/arm64/*/*))))) dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ $(UBOOTINCLUDE) \ -I$(dir $<) \ -I$(u_boot_dtsi_loc) \ -I$(srctree)/arch/$(ARCH)/dts/include \ -I$(srctree)/include \ + $(upstream_dtsi_include) \ -D__ASSEMBLY__ \ -undef -D__DTS__