From 124b7a0af508f2b1f8383b5e666654ed92289acd Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Tue, 24 Nov 2009 13:55:40 +0000
Subject: ar71xx: the squashfs-4k images are unreliable in some builds. add 4k,
 8k padding to the generic squashfs images and use them on 4k devices as well

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18526 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/image.mk                   | 12 ++++++++----
 target/linux/ar71xx/image/Makefile |  6 ++----
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/include/image.mk b/include/image.mk
index a722086a0..d75ca3c30 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -40,13 +40,17 @@ define add_jffs2_mark
 	echo -ne '\xde\xad\xc0\xde' >> $(1)
 endef
 
-# pad to 64k and add jffs2 end-of-filesystem mark
-# do this twice to make sure that this works with 128k blocksize as well
+# pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
 define prepare_generic_squashfs
-	dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
+	dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
+	$(call add_jffs2_mark,$(KDIR)/tmpfile.0)
+	dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
 	$(call add_jffs2_mark,$(KDIR)/tmpfile.1)
-	dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
+	dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
+	$(call add_jffs2_mark,$(KDIR)/tmpfile.2)
+	dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
 	$(call add_jffs2_mark,$(1))
+	rm -f $(KDIR)/tmpfile.*
 endef
 
 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile
index 33937e402..ed623de20 100644
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -276,7 +276,7 @@ define Image/Build/Template/TPLINK4K
 endef
 
 define Image/Build/Template/TPLINK4K/squashfs
-	$(call Image/Build/Template/TPLINK,squashfs-4k,$(1),$(2),$(3))
+	$(call Image/Build/Template/TPLINK,squashfs,$(1),$(2),$(3))
 endef
 
 define Image/Build/Template/UBNT
@@ -296,7 +296,7 @@ define Image/Build/Template/UBNTXM
 endef
 
 define Image/Build/Template/UBNTXM/squashfs
-	$(call Image/Build/Template/UBNTXM,squashfs-4k,$(1),$(2),$(3),$(4),$(5))
+	$(call Image/Build/Template/UBNTXM,squashfs,$(1),$(2),$(3),$(4),$(5))
 endef
 
 define Image/Build/Template/UBNTXM/jffs2-64k
@@ -428,8 +428,6 @@ define Image/Build/Profile/Madwifi
 endef
 
 define Image/Build/squashfs
-	dd if=$(KDIR)/root.squashfs of=$(IMGNAME)-root.squashfs-4k bs=4k conv=sync
-	$(call add_jffs2_mark,$(IMGNAME)-root.squashfs-4k)
 	$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
 endef
 
-- 
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