!CONFIG_DEBUG_ZBOOT doesn't need puts() and puthex(), remove them and
the according strings for !CONFIG_DEBUG_ZBOOT, as a result, it saves
about 1280 bytes.
Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx>
---
arch/mips/boot/compressed/Makefile | 3 ++-
arch/mips/boot/compressed/decompress.c | 5 +++++
2 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index 5042d51..aab6d7f 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -28,9 +28,10 @@ KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
targets := head.o decompress.o dbg.o uart-16550.o uart-alchemy.o
# decompressor objects (linked with vmlinuz)
-vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o
+vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o
ifdef CONFIG_DEBUG_ZBOOT
+vmlinuzobjs-y += $(obj)/dbg.o
vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
endif
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index 5cad0fa..c9cbff5 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -27,8 +27,13 @@ unsigned long free_mem_end_ptr;
extern unsigned char __image_begin, __image_end;
/* debug interfaces */
+#ifdef CONFIG_DEBUG_ZBOOT
extern void puts(const char *s);
extern void puthex(unsigned long long val);
+#else
+#define puts(s) do {} while (0)
+#define puthex(val) do {} while (0)
+#endif
void error(char *x)
{
--
1.7.1
