tegra: pad rootfs to recreate overlay after upgrade

The old overlay remained after upgrades and would cause failure on first
boot after upgrade, in which no new overlay could be created while old
one was unusable.

Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>

diff --git a/target/linux/tegra/image/Makefile b/target/linux/tegra/image/Makefile
index 82394f4ab6fadb367dc7fd9a500dac0bb8084f4c..8a331f2607538edbb901cf3bc6b2f08ff1075efd 100644 (file)
--- a/target/linux/tegra/image/Makefile
+++ b/target/linux/tegra/image/Makefile
@@ -16,12 +16,13 @@ define Build/tegra-sdcard
                -n '$(DEVICE_TITLE) OpenWrt bootscript' \
                -d $(BOOT_SCRIPT) \
                $@.boot/boot.scr
+       $(CP) $@ $@.rootfs
 
        SIGNATURE="$(IMG_PART_SIGNATURE)" \
        $(SCRIPT_DIR)/gen_image_generic.sh \
                $@ \
                $(CONFIG_TARGET_KERNEL_PARTSIZE) $@.boot \
-               $(CONFIG_TARGET_ROOTFS_PARTSIZE) $(IMAGE_ROOTFS) \
+               $(CONFIG_TARGET_ROOTFS_PARTSIZE) $@.rootfs \
                2048
 
        $(if $(UBOOT),dd if=$(STAGING_DIR_IMAGE)/$(UBOOT).img of=$@ bs=512 skip=1 seek=1 conv=notrunc)
@@ -32,7 +33,7 @@ DEVICE_VARS += BOOT_SCRIPT UBOOT
 define Device/Default
   BOOT_SCRIPT := generic-bootscript
   IMAGES := sdcard.img.gz
-  IMAGE/sdcard.img.gz := tegra-sdcard | gzip | append-metadata
+  IMAGE/sdcard.img.gz := append-rootfs | pad-extra 128k | tegra-sdcard | gzip | append-metadata
   KERNEL_NAME := zImage
   KERNEL := kernel-bin
   PROFILES := Default