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-rw-r--r--Documentation/acpi/dsdt-override.txt12
-rwxr-xr-xDocumentation/acpi/initramfs-add-dsdt.sh43
2 files changed, 2 insertions, 53 deletions
diff --git a/Documentation/acpi/dsdt-override.txt b/Documentation/acpi/dsdt-override.txt
index 5008f256a2db..febbb1ba4d23 100644
--- a/Documentation/acpi/dsdt-override.txt
+++ b/Documentation/acpi/dsdt-override.txt
@@ -1,15 +1,7 @@
1Linux supports two methods of overriding the BIOS DSDT: 1Linux supports a method of overriding the BIOS DSDT:
2 2
3CONFIG_ACPI_CUSTOM_DSDT builds the image into the kernel. 3CONFIG_ACPI_CUSTOM_DSDT builds the image into the kernel.
4 4
5CONFIG_ACPI_CUSTOM_DSDT_INITRD adds the image to the initrd. 5When to use this method is described in detail on the
6
7When to use these methods is described in detail on the
8Linux/ACPI home page: 6Linux/ACPI home page:
9http://www.lesswatts.org/projects/acpi/overridingDSDT.php 7http://www.lesswatts.org/projects/acpi/overridingDSDT.php
10
11Note that if both options are used, the DSDT supplied
12by the INITRD method takes precedence.
13
14Documentation/initramfs-add-dsdt.sh is provided for convenience
15for use with the CONFIG_ACPI_CUSTOM_DSDT_INITRD method.
diff --git a/Documentation/acpi/initramfs-add-dsdt.sh b/Documentation/acpi/initramfs-add-dsdt.sh
deleted file mode 100755
index 17ef6e838e14..000000000000
--- a/Documentation/acpi/initramfs-add-dsdt.sh
+++ /dev/null
@@ -1,43 +0,0 @@
1#!/bin/bash
2# Adds a DSDT file to the initrd (if it's an initramfs)
3# first argument is the name of archive
4# second argument is the name of the file to add
5# The file will be copied as /DSDT.aml
6
7# 20060126: fix "Premature end of file" with some old cpio (Roland Robic)
8# 20060205: this time it should really work
9
10# check the arguments
11if [ $# -ne 2 ]; then
12 program_name=$(basename $0)
13 echo "\
14$program_name: too few arguments
15Usage: $program_name initrd-name.img DSDT-to-add.aml
16Adds a DSDT file to an initrd (in initramfs format)
17
18 initrd-name.img: filename of the initrd in initramfs format
19 DSDT-to-add.aml: filename of the DSDT file to add
20 " 1>&2
21 exit 1
22fi
23
24# we should check it's an initramfs
25
26tempcpio=$(mktemp -d)
27# cleanup on exit, hangup, interrupt, quit, termination
28trap 'rm -rf $tempcpio' 0 1 2 3 15
29
30# extract the archive
31gunzip -c "$1" > "$tempcpio"/initramfs.cpio || exit 1
32
33# copy the DSDT file at the root of the directory so that we can call it "/DSDT.aml"
34cp -f "$2" "$tempcpio"/DSDT.aml
35
36# add the file
37cd "$tempcpio"
38(echo DSDT.aml | cpio --quiet -H newc -o -A -O "$tempcpio"/initramfs.cpio) || exit 1
39cd "$OLDPWD"
40
41# re-compress the archive
42gzip -c "$tempcpio"/initramfs.cpio > "$1"
43