diff -Nru lz4-1.9.4/debian/changelog lz4-1.9.4/debian/changelog
--- lz4-1.9.4/debian/changelog	2022-08-28 03:00:55.000000000 +0000
+++ lz4-1.9.4/debian/changelog	2022-09-03 06:52:39.000000000 +0000
@@ -1,3 +1,11 @@
+lz4 (1.9.4-1+rpi1) bookworm-staging; urgency=medium
+
+  [changes brought forward from 0.8.0-1+rpi1 by Peter Michael Green <pluwash@raspbian.org> at Thu, 07 Jan 2021 21:20:41 +0000]
+  * Use XXH_FORCE_MEMORY_ACCESS 1 instead of XXH_FORCE_MEMORY_ACCESS 2
+    on armv6 to fix unaligned access issue.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Sat, 03 Sep 2022 06:52:39 +0000
+
 lz4 (1.9.4-1) unstable; urgency=medium
 
   * New upstream release.
diff -Nru lz4-1.9.4/debian/patches/fix-unaligned-access-on-armv6.patch lz4-1.9.4/debian/patches/fix-unaligned-access-on-armv6.patch
--- lz4-1.9.4/debian/patches/fix-unaligned-access-on-armv6.patch	1970-01-01 00:00:00.000000000 +0000
+++ lz4-1.9.4/debian/patches/fix-unaligned-access-on-armv6.patch	2022-09-03 06:52:39.000000000 +0000
@@ -0,0 +1,16 @@
+Description:  Use XXH_FORCE_MEMORY_ACCESS 1 instead of XXH_FORCE_MEMORY_ACCESS 2 on armv6 to fix unaligned access issue.
+Author: Peter Michael Green <pluwash@raspbian.org>
+
+Index: lz4-1.9.4.new/lib/xxhash.c
+===================================================================
+--- lz4-1.9.4.new.orig/lib/xxhash.c
++++ lz4-1.9.4.new/lib/xxhash.c
+@@ -53,7 +53,7 @@
+ #  if defined(__GNUC__) && ( defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
+                         || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \
+                         || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) )
+-#    define XXH_FORCE_MEMORY_ACCESS 2
++#    define XXH_FORCE_MEMORY_ACCESS 1
+ #  elif (defined(__INTEL_COMPILER) && !defined(_WIN32)) || \
+   (defined(__GNUC__) && ( defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
+                     || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
diff -Nru lz4-1.9.4/debian/patches/series lz4-1.9.4/debian/patches/series
--- lz4-1.9.4/debian/patches/series	2022-08-28 03:00:55.000000000 +0000
+++ lz4-1.9.4/debian/patches/series	2022-09-03 06:50:13.000000000 +0000
@@ -1,2 +1,3 @@
 0001-Fix-static-link.patch
 0002-Change-optimize-to-O2.patch
+fix-unaligned-access-on-armv6.patch