Revision b8db3714d7479881e23de20735f60f1733723241 authored by Linus Torvalds on 10 September 2016, 16:43:10 UTC, committed by Linus Torvalds on 10 September 2016, 16:43:10 UTC
Pull i2c fixes from Wolfram Sang: "Mostly driver bugfixes, but also a few cleanups which are nice to have out of the way" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: rk3x: Restore clock settings at resume time i2c: Spelling s/acknowedge/acknowledge/ i2c: designware: save the preset value of DW_IC_SDA_HOLD Documentation: i2c: slave-interface: add note for driver development i2c: mux: demux-pinctrl: run properly with multiple instances i2c: bcm-kona: fix inconsistent indenting i2c: rcar: use proper device with dma_mapping_error i2c: sh_mobile: use proper device with dma_mapping_error i2c: mux: demux-pinctrl: invalidate properly when switching fails
extract-vmlinux
#!/bin/sh
# ----------------------------------------------------------------------
# extract-vmlinux - Extract uncompressed vmlinux from a kernel image
#
# Inspired from extract-ikconfig
# (c) 2009,2010 Dick Streefland <dick@streefland.net>
#
# (c) 2011 Corentin Chary <corentin.chary@gmail.com>
#
# Licensed under the GNU General Public License, version 2 (GPLv2).
# ----------------------------------------------------------------------
check_vmlinux()
{
# Use readelf to check if it's a valid ELF
# TODO: find a better to way to check that it's really vmlinux
# and not just an elf
readelf -h $1 > /dev/null 2>&1 || return 1
cat $1
exit 0
}
try_decompress()
{
# The obscure use of the "tr" filter is to work around older versions of
# "grep" that report the byte offset of the line instead of the pattern.
# Try to find the header ($1) and decompress from here
for pos in `tr "$1\n$2" "\n$2=" < "$img" | grep -abo "^$2"`
do
pos=${pos%%:*}
tail -c+$pos "$img" | $3 > $tmp 2> /dev/null
check_vmlinux $tmp
done
}
# Check invocation:
me=${0##*/}
img=$1
if [ $# -ne 1 -o ! -s "$img" ]
then
echo "Usage: $me <kernel-image>" >&2
exit 2
fi
# Prepare temp files:
tmp=$(mktemp /tmp/vmlinux-XXX)
trap "rm -f $tmp" 0
# Initial attempt for uncompressed images or objects:
check_vmlinux $img
# That didn't work, so retry after decompression.
try_decompress '\037\213\010' xy gunzip
try_decompress '\3757zXZ\000' abcde unxz
try_decompress 'BZh' xy bunzip2
try_decompress '\135\0\0\0' xxx unlzma
try_decompress '\211\114\132' xy 'lzop -d'
# Bail out:
echo "$me: Cannot find vmlinux." >&2
Computing file changes ...