From bb66fc2a8b40d6c8ecd093cf1b358d4476ab1e1c Mon Sep 17 00:00:00 2001 From: Martin Michlmayr Date: Sun, 13 Jun 2010 17:23:14 +0100 Subject: hook-functions/init/scripts/local: add support for ubifs. MODULES=dep fails when / is ubifs. This patch adds support for something like root=ubi0:rootfs when ubi is modular. Quoting Martin: It essentially does three things: - adds the correct modules to the ramdisk (for MODULES=dep and MODULES=most) - reads ubi.mtd= from the command line - loads ubi with the ubi.mtd info and ignores the "Waiting for root" check I've successfully tested this with a kernel with modular ubi and with the following boot variants: console=ttyS0,115200 ubi.mtd=2 root=ubi0:rootfs rootfstype=ubifs console=ttyS0,115200 ubi.mtd=2 root=ubi0_0 rootfstype=ubifs With console=ttyS0,115200 ubi.mtd=2 root=/dev/ubi0_0 rootfstype=ubifs I get an error that it cannot mount root but I suspect this is an ubifs error and has nothing to do with i-t (since at this point I can manually mount it with -t ubifs ubi0_0 whereas the /dev/ variant doesn't work). Tested with MODULES=dep and MODULES=most as well as with a kernel that has ubifs built in. Closes: #582858 Thanks: Martin Michlmayr Signed-off-by: Martin Michlmayr Reviewed-by: Michael Prokop --- scripts/local | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'scripts') diff --git a/scripts/local b/scripts/local index 98464f9..9b51174 100644 --- a/scripts/local +++ b/scripts/local @@ -8,6 +8,13 @@ pre_mountroot() wait_for_udev 10 + # Load ubi with the correct MTD partition and return since fstype + # doesn't work with a char device like ubi. + if [ -n "$UBIMTD" ]; then + modprobe ubi mtd=$UBIMTD + return + fi + # Don't wait for a root device that doesn't have a corresponding # device in /dev (ie, mtd0) if [ "${ROOT#/dev}" = "${ROOT}" ]; then -- cgit v1.2.3