Kernel  |  4.4

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# Simple script to update the version of DTC carried by the Linux kernel
# This script assumes that the dtc and the linux git trees are in the
# same directory. After building dtc in the dtc directory, it copies the
# source files and generated source files into the scripts/dtc directory
# in the kernel and creates a git commit updating them to the new
# version.
# Usage: from the top level Linux source tree, run:
# $ ./scripts/dtc/
# The script will change into the dtc tree, build and test dtc, copy the
# relevant files into the kernel tree and create a git commit. The commit
# message will need to be modified to reflect the version of DTC being
# imported
# This script is pretty basic, but it is seldom used so a few manual tasks
# aren't a big deal. If anyone is interested in making it more robust, the
# the following would be nice:
# * Actually fail to complete if any testcase fails.
#   - The dtc "make check" target needs to return a failure
# * Extract the version number from the dtc repo for the commit message
# * Build dtc in the kernel tree
# * run 'make check" on dtc built from the kernel tree

set -ev


DTC_SOURCE="checks.c data.c dtc.c dtc.h flattree.c fstree.c livetree.c srcpos.c \
		srcpos.h treesource.c util.c util.h version_gen.h Makefile.dtc \
		dtc-lexer.l dtc-parser.y"
LIBFDT_SOURCE="Makefile.libfdt fdt.c fdt.h fdt_empty_tree.c fdt_ro.c fdt_rw.c fdt_strerror.c fdt_sw.c fdt_wip.c libfdt.h libfdt_env.h libfdt_internal.h"

# Build DTC
make clean
make check

# Copy the files into the Linux tree
for f in $DTC_SOURCE; do
	cp ${DTC_UPSTREAM_PATH}/${f} ${f}
	git add ${f}
for f in $DTC_GENERATED; do
	cp ${DTC_UPSTREAM_PATH}/$f ${f}_shipped
	git add ${f}_shipped
for f in $LIBFDT_SOURCE; do
       cp ${DTC_UPSTREAM_PATH}/libfdt/${f} libfdt/${f}
       git add libfdt/${f}

sed -i -- 's/#include <libfdt_env.h>/#include "libfdt_env.h"/g' ./libfdt/libfdt.h
sed -i -- 's/#include <fdt.h>/#include "fdt.h"/g' ./libfdt/libfdt.h
git add ./libfdt/libfdt.h

git commit -e -v -m "scripts/dtc: Update to upstream version [CHANGEME]"