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Subject[tip:x86/build] x86, mkpiggy: Don't open code put_unaligned_le32()
Commit-ID:  12871c568305a0b20f116315479a18cd46882e9b
Gitweb: http://git.kernel.org/tip/12871c568305a0b20f116315479a18cd46882e9b
Author: Matt Fleming <matt.fleming@intel.com>
AuthorDate: Tue, 28 Feb 2012 13:37:22 +0000
Committer: H. Peter Anvin <hpa@zytor.com>
CommitDate: Tue, 28 Feb 2012 10:22:57 -0800

x86, mkpiggy: Don't open code put_unaligned_le32()

Use the new headers in tools/include instead of rolling our own
put_unaligned_le32() implementation.

Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/1330436245-24875-4-git-send-email-matt@console-pimps.org
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
arch/x86/boot/compressed/Makefile | 1 +
arch/x86/boot/compressed/mkpiggy.c | 11 ++---------
2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index b123b9a..fd55a2f 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -22,6 +22,7 @@ LDFLAGS := -m elf_$(UTS_MACHINE)
LDFLAGS_vmlinux := -T

hostprogs-y := mkpiggy
+HOST_EXTRACFLAGS += -I$(srctree)/tools/include

VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
$(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \
diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 46a8238..958a641 100644
--- a/arch/x86/boot/compressed/mkpiggy.c
+++ b/arch/x86/boot/compressed/mkpiggy.c
@@ -29,14 +29,7 @@
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
-
-static uint32_t getle32(const void *p)
-{
- const uint8_t *cp = p;
-
- return (uint32_t)cp[0] + ((uint32_t)cp[1] << 8) +
- ((uint32_t)cp[2] << 16) + ((uint32_t)cp[3] << 24);
-}
+#include <tools/le_byteshift.h>

int main(int argc, char *argv[])
{
@@ -69,7 +62,7 @@ int main(int argc, char *argv[])
}

ilen = ftell(f);
- olen = getle32(&olen);
+ olen = get_unaligned_le32(&olen);
fclose(f);

/*

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