initrdscripts: fix mmc device as install target

Installing from USB to an internal SD Card did not work with Linux 4.4 in Yocto jethro. With this patch, consistent names are used for the paritions.

(From OE-Core rev: 00a45d2e50c4f044ee4099940dd7d13ca44f7187)

Signed-off-by: Urs Fässler <urs.fassler@bbv.ch>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/meta/recipes-core/initrdscripts/files/init-install.sh b/meta/recipes-core/initrdscripts/files/init-install.sh
index f9e9768e43..1925d90693 100644
--- a/meta/recipes-core/initrdscripts/files/init-install.sh
+++ b/meta/recipes-core/initrdscripts/files/init-install.sh
@@ -141,7 +141,7 @@ swap_start=$((rootfs_end))
 # 2) they are detected asynchronously (need rootwait)
 rootwait=""
 part_prefix=""
-if [ ! "${device#mmcblk}" = "${device}" ]; then
+if [ ! "${device#/dev/mmcblk}" = "${device}" ]; then
     part_prefix="p"
     rootwait="rootwait"
 fi
@@ -211,13 +211,13 @@ echo "Copying rootfs files..."
 cp -a /src_root/* /tgt_root
 if [ -d /tgt_root/etc/ ] ; then
     if [ $grub_version -ne 0 ] ; then
-        boot_uuid=$(blkid -o value -s UUID ${device}2)
-        swap_part_uuid=$(blkid -o value -s PARTUUID ${device}4)
+        boot_uuid=$(blkid -o value -s UUID ${bootfs})
+        swap_part_uuid=$(blkid -o value -s PARTUUID ${swap})
         bootdev="UUID=$boot_uuid"
         swapdev=/dev/disk/by-partuuid/$swap_part_uuid
     else
-        bootdev=${device}2
-        swapdev=${device}4
+        bootdev=${bootfs}
+        swapdev=${swap}
     fi
     echo "$swapdev                swap             swap       defaults              0  0" >> /tgt_root/etc/fstab
     echo "$bootdev              /boot            ext3       defaults              1  2" >> /tgt_root/etc/fstab
@@ -234,8 +234,8 @@ mount $bootfs /boot
 echo "Preparing boot partition..."
 if [ -f /etc/grub.d/00_header -a $grub_version -ne 0 ] ; then
     echo "Preparing custom grub2 menu..."
-    root_part_uuid=$(blkid -o value -s PARTUUID ${device}3)
-    boot_uuid=$(blkid -o value -s UUID ${device}2)
+    root_part_uuid=$(blkid -o value -s PARTUUID ${rootfs})
+    boot_uuid=$(blkid -o value -s UUID ${bootfs})
     GRUBCFG="/boot/grub/grub.cfg"
     mkdir -p $(dirname $GRUBCFG)
     cat >$GRUBCFG <<_EOF