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-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/boot/compressed/Makefile1
-rw-r--r--arch/mips/boot/compressed/decompress.c7
3 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a749defb1582..0cff92315ac4 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1489,6 +1489,7 @@ 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/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index c1f8f0753cc8..ca0c343c9ea5 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -48,6 +48,7 @@ $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
tool_$(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 cff7b7d1ff45..a8c6fd6a4406 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -43,7 +43,8 @@ void error(char *x)
/* activate the code for pre-boot environment */
#define STATIC static
-#if defined(CONFIG_KERNEL_GZIP) || defined(CONFIG_KERNEL_XZ)
+#if defined(CONFIG_KERNEL_GZIP) || defined(CONFIG_KERNEL_XZ) || \
+ defined(CONFIG_KERNEL_LZ4)
void *memcpy(void *dest, const void *src, size_t n)
{
int i;
@@ -72,6 +73,10 @@ void *memset(void *s, int c, size_t n)
#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