[PATCH 05/17] mips: Remove support for BZIP2 and LZMA compressed kernel

From: Adam Borowski
Date: Fri Nov 09 2018 - 14:05:15 EST


Made redundant by newer choices.

Signed-off-by: Adam Borowski <kilobyte@xxxxxxxxxx>
---
arch/mips/Kconfig | 2 --
arch/mips/boot/Makefile | 27 --------------------------
arch/mips/boot/compressed/Makefile | 2 --
arch/mips/boot/compressed/decompress.c | 8 --------
4 files changed, 39 deletions(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8272ea4c7264..8f774bb9d22f 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1834,9 +1834,7 @@ endif # CPU_LOONGSON2F
config SYS_SUPPORTS_ZBOOT
bool
select HAVE_KERNEL_GZIP
- select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZ4
- select HAVE_KERNEL_LZMA
select HAVE_KERNEL_LZO
select HAVE_KERNEL_XZ

diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile
index 35704c28a28b..9c5f380a6c20 100644
--- a/arch/mips/boot/Makefile
+++ b/arch/mips/boot/Makefile
@@ -24,9 +24,7 @@ strip-flags := $(addprefix --remove-section=,$(drop-sections))
hostprogs-y := elf2ecoff

suffix-y := bin
-suffix-$(CONFIG_KERNEL_BZIP2) := bz2
suffix-$(CONFIG_KERNEL_GZIP) := gz
-suffix-$(CONFIG_KERNEL_LZMA) := lzma
suffix-$(CONFIG_KERNEL_LZO) := lzo

targets := vmlinux.ecoff
@@ -54,20 +52,12 @@ UIMAGE_ENTRYADDR = $(VMLINUX_ENTRY_ADDRESS)
# Compressed vmlinux images
#

-extra-y += vmlinux.bin.bz2
extra-y += vmlinux.bin.gz
-extra-y += vmlinux.bin.lzma
extra-y += vmlinux.bin.lzo

-$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
- $(call if_changed,bzip2)
-
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)

-$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
- $(call if_changed,lzma)
-
$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzo)

@@ -77,23 +67,15 @@ $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE

targets += uImage
targets += uImage.bin
-targets += uImage.bz2
targets += uImage.gz
-targets += uImage.lzma
targets += uImage.lzo

$(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE
$(call if_changed,uimage,none)

-$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2 FORCE
- $(call if_changed,uimage,bzip2)
-
$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE
$(call if_changed,uimage,gzip)

-$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FORCE
- $(call if_changed,uimage,lzma)
-
$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo FORCE
$(call if_changed,uimage,lzo)

@@ -122,7 +104,6 @@ $(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS

targets += vmlinux.its
targets += vmlinux.gz.its
-targets += vmlinux.bz2.its
targets += vmlinux.lzmo.its
targets += vmlinux.lzo.its

@@ -142,19 +123,11 @@ $(obj)/vmlinux.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
$(obj)/vmlinux.gz.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
$(call if_changed,cpp_its_S,gzip,vmlinux.bin.gz)

-$(obj)/vmlinux.bz2.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
- $(call if_changed,cpp_its_S,bzip2,vmlinux.bin.bz2)
-
-$(obj)/vmlinux.lzma.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
- $(call if_changed,cpp_its_S,lzma,vmlinux.bin.lzma)
-
$(obj)/vmlinux.lzo.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
$(call if_changed,cpp_its_S,lzo,vmlinux.bin.lzo)

targets += vmlinux.itb
targets += vmlinux.gz.itb
-targets += vmlinux.bz2.itb
-targets += vmlinux.lzma.itb
targets += vmlinux.lzo.itb

quiet_cmd_itb-image = ITB $@
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index 3c453a1f1ff1..a7448d74fe7b 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -62,9 +62,7 @@ $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
$(call if_changed,objcopy)

tool_$(CONFIG_KERNEL_GZIP) = gzip
-tool_$(CONFIG_KERNEL_BZIP2) = bzip2
tool_$(CONFIG_KERNEL_LZ4) = lz4
-tool_$(CONFIG_KERNEL_LZMA) = lzma
tool_$(CONFIG_KERNEL_LZO) = lzo
tool_$(CONFIG_KERNEL_XZ) = xzkern

diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index 81df9047e110..ac6978d210e6 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -56,18 +56,10 @@ void error(char *x)
#include "../../../../lib/decompress_inflate.c"
#endif

-#ifdef CONFIG_KERNEL_BZIP2
-#include "../../../../lib/decompress_bunzip2.c"
-#endif
-
#ifdef CONFIG_KERNEL_LZ4
#include "../../../../lib/decompress_unlz4.c"
#endif

-#ifdef CONFIG_KERNEL_LZMA
-#include "../../../../lib/decompress_unlzma.c"
-#endif
-
#ifdef CONFIG_KERNEL_LZO
#include "../../../../lib/decompress_unlzo.c"
#endif
--
2.19.1