From 6e3963d169b600c19427b262b1930282a7f811b9 Mon Sep 17 00:00:00 2001
From: Yoshinori Sato <ysato@users.sourceforge.jp>
Date: Sun, 3 Jan 2016 13:59:31 +0900
Subject: [PATCH] rx: LZO support.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
---
 arch/rx/Kconfig                  |  2 ++
 arch/rx/boot/compressed/Makefile | 11 +++++++----
 arch/rx/boot/compressed/misc.c   | 16 ----------------
 3 files changed, 9 insertions(+), 20 deletions(-)

diff --git a/arch/rx/Kconfig b/arch/rx/Kconfig
index 45f3f90ae227..51233d31e43a 100644
--- a/arch/rx/Kconfig
+++ b/arch/rx/Kconfig
@@ -8,6 +8,7 @@ config RX
 	select HAVE_CLK
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_KERNEL_GZIP
+	select HAVE_KERNEL_LZO
 	select HAVE_DMA_ATTRS
 	select HAVE_GENERIC_DMA_COHERENT
 	select GENERIC_ATOMIC64
@@ -22,6 +23,7 @@ config RX
 	select COMMON_CLK
 	select CLKSRC_OF
 	select GENERIC_CLOCKEVENTS
+	select HAVE_EFFICIENT_UNALIGNED_ACCESS
 
 config MMU
 	def_bool n
diff --git a/arch/rx/boot/compressed/Makefile b/arch/rx/boot/compressed/Makefile
index f17324dfede3..82df4230d9a8 100644
--- a/arch/rx/boot/compressed/Makefile
+++ b/arch/rx/boot/compressed/Makefile
@@ -4,7 +4,7 @@
 # create a compressed vmlinux image from the original vmlinux
 #
 
-targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
+targets		:= vmlinux vmlinux.bin head.o misc.o piggy.o
 
 OBJECTS = $(obj)/head.o $(obj)/misc.o
 
@@ -29,11 +29,14 @@ $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
 $(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)
 
-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,gzip)
+suffix-$(CONFIG_KERNEL_GZIP)    := gzip
+suffix-$(CONFIG_KERNEL_LZO)     := lzo
+
+$(obj)/vmlinux.bin.$(suffix-y): $(obj)/vmlinux.bin FORCE
+	$(call if_changed,$(suffix-y))
 
 LDFLAGS_piggy.o := -r --format binary --oformat elf32-rx-linux -T
 OBJCOPYFLAGS := -O binary
 
-$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
 	$(call if_changed,ld)
diff --git a/arch/rx/boot/compressed/misc.c b/arch/rx/boot/compressed/misc.c
index 8e586497e572..d8c2da74c7b9 100644
--- a/arch/rx/boot/compressed/misc.c
+++ b/arch/rx/boot/compressed/misc.c
@@ -34,28 +34,12 @@ extern int _end;
 static unsigned long free_mem_ptr;
 static unsigned long free_mem_end_ptr;
 
-#ifdef CONFIG_HAVE_KERNEL_BZIP2
-#define HEAP_SIZE	0x400000
-#else
 #define HEAP_SIZE	0x10000
-#endif
 
 #ifdef CONFIG_KERNEL_GZIP
 #include "../../../../lib/decompress_inflate.c"
 #endif
 
-#ifdef CONFIG_KERNEL_BZIP2
-#include "../../../../lib/decompress_bunzip2.c"
-#endif
-
-#ifdef CONFIG_KERNEL_LZMA
-#include "../../../../lib/decompress_unlzma.c"
-#endif
-
-#ifdef CONFIG_KERNEL_XZ
-#include "../../../../lib/decompress_unxz.c"
-#endif
-
 #ifdef CONFIG_KERNEL_LZO
 #include "../../../../lib/decompress_unlzo.c"
 #endif
-- 
2.11.0