From: "Luis R. Rodriguez" <[email protected]>

You'll need to update your initramfs for for a few modules.
This is very distribution specific.

Signed-off-by: Luis R. Rodriguez <[email protected]>
---
 backport/Makefile.real            |    1 +
 backport/scripts/update-initramfs |   62 +++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100755 backport/scripts/update-initramfs

diff --git a/backport/Makefile.real b/backport/Makefile.real
index f2b5b56..c788f89 100644
--- a/backport/Makefile.real
+++ b/backport/Makefile.real
@@ -96,6 +96,7 @@ install: modules
        @./scripts/check_depmod
        @./scripts/backport_firmware_install
        @/sbin/depmod -a
+       @./scripts/update-initramfs $(KLIB)
        @echo
        @echo Your backported driver modules should be installed now.
        @echo Reboot.
diff --git a/backport/scripts/update-initramfs 
b/backport/scripts/update-initramfs
new file mode 100755
index 0000000..9396cb3
--- /dev/null
+++ b/backport/scripts/update-initramfs
@@ -0,0 +1,62 @@
+#!/bin/bash
+# Copyright 2009-2013        Luis R. Rodriguez <[email protected]>
+#
+# Since we provide ssb, ethernet modules and most importantly
+# DRM drivers, people may want to update the initramfs image
+# of their distribution. This can also help people who may
+# want to wireless-boot their systems.
+
+KLIB=1
+ver=$(echo $KLIB | awk -F "/lib/modules/" '{print $2}' | awk -F"/" '{print 
$1}')
+dir=/boot/
+
+LSB_RED_ID=$(/usr/bin/lsb_release -i -s &> /dev/null)
+
+if [[ -z $LSB_RED_ID && -f "/etc/os-release" ]]; then
+       # Let's try with os-release. Fedora doesn't have
+       # lsb_release anymore.
+       LSB_RED_ID=$(sed -n '/^NAME/ s/^NAME=\(.*\)$/\1/p' /etc/os-release)
+fi
+
+case $LSB_RED_ID in
+"Ubuntu")
+       echo "Updating ${LSB_RED_ID}'s initramfs for $ver under $dir ..."
+       mkinitramfs -o $dir/initrd.img-$ver $ver
+       echo "Will now run update-grub to ensure grub will find the new 
initramfs ..."
+       update-grub
+       ;;
+"Debian")
+       echo "Updating ${LSB_RED_ID}'s initramfs for $ver under $dir ..."
+       mkinitramfs -o $dir/initrd.img-$ver $ver
+       echo "Will now run update-grub to ensure grub will find the new 
initramfs ..."
+       update-grub
+       ;;
+"Fedora")
+       # This adds a -compat-drivers suffixed initramfs with a new grub2
+       # entry to not override distribution's default stuff.
+       INITRAMFS=${dir}initramfs-$ver-compat-drivers.img
+       KERNEL=${dir}vmlinuz-$ver
+       GRUB_TITLE="Fedora ($ver) with compat-drivers"
+
+       echo "Updating ${LSB_RED_ID}'s initramfs for $ver under $dir ..."
+       mkinitrd --force $INITRAMFS $ver
+
+       # If a previous compat-drivers entry for the same kernel exists
+       # do not add it again.
+       grep -q "${GRUB_TITLE}" /etc/grub2.cfg &> /dev/null
+       if [[ "$?" == "1" ]]; then
+               echo "Will now run grubby to add a new kernel entry ..."
+               # Add a new kernel entry
+               grubby --grub2 --copy-default --add-kernel="$KERNEL" 
--initrd="$INITRAMFS" --title="$GRUB_TITLE"
+       fi
+       ;;
+*)
+       echo "Warning:"
+       echo "You may or may not need to update your initramfs, you should if"
+       echo "any of the modules installed are part of your initramfs. To add"
+       echo "support for your distribution to do this automatically send a"
+       echo "patch against $0. If your distribution does not require this"
+       echo "send a patch against the '/usr/bin/lsb_release -i -s': 
$LSB_RED_ID"
+       echo "tag for your distribution to avoid this warning."
+        ;;
+esac
-- 
1.7.10.4

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