U-Boot CRC-16 implementation uses polynomial x^16 + x^12 + x^5 + 1 which is
not standard CRC-16 algorithm, but it is known as CRC-16-CCITT. Rename file
crc16.c to crc16-ccitt.c to reduce confusion.
Signed-off-by: Pali Rohár <p...@kernel.org>
---
include/u-boot/crc.h | 2 +-
lib/Makefile | 8 ++++----
lib/{crc16.c => crc16-ccitt.c} | 2 +-
tools/Makefile | 2 +-
4 files changed, 7 insertions(+), 7 deletions(-)
rename lib/{crc16.c => crc16-ccitt.c} (99%)
diff --git a/include/u-boot/crc.h b/include/u-boot/crc.h
index 52ec6a9e2d4b..eba8edfb4f31 100644
--- a/include/u-boot/crc.h
+++ b/include/u-boot/crc.h
@@ -25,7 +25,7 @@
*/
unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
-/* lib/crc16.c - 16 bit CRC with polynomial x^16+x^12+x^5+1 (CRC-CCITT) */
+/* lib/crc16-ccitt.c - 16 bit CRC with polynomial x^16+x^12+x^5+1 (CRC-CCITT)
*/
uint16_t crc16_ccitt(uint16_t crc_start, const unsigned char *s, int len);
/**
* crc16_ccitt_wd_buf - Perform CRC16-CCIT on an input buffer and return the
diff --git a/lib/Makefile b/lib/Makefile
index 11b03d1cbec8..b4f03cc149d3 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -37,7 +37,7 @@ obj-$(CONFIG_CIRCBUF) += circbuf.o
endif
obj-y += crc8.o
-obj-y += crc16.o
+obj-y += crc16-ccitt.o
obj-$(CONFIG_ERRNO_STR) += errno_str.o
obj-$(CONFIG_FIT) += fdtdec_common.o
obj-$(CONFIG_TEST_FDTDEC) += fdtdec_test.o
@@ -90,9 +90,9 @@ obj-$(CONFIG_$(SPL_TPL_)OF_LIBFDT) += libfdt/
obj-$(CONFIG_$(SPL_TPL_)OF_REAL) += fdtdec_common.o fdtdec.o
ifdef CONFIG_SPL_BUILD
-obj-$(CONFIG_SPL_YMODEM_SUPPORT) += crc16.o
-obj-$(CONFIG_$(SPL_TPL_)HASH) += crc16.o
-obj-$(CONFIG_MMC_SPI_CRC_ON) += crc16.o
+obj-$(CONFIG_SPL_YMODEM_SUPPORT) += crc16-ccitt.o
+obj-$(CONFIG_$(SPL_TPL_)HASH) += crc16-ccitt.o
+obj-$(CONFIG_MMC_SPI_CRC_ON) += crc16-ccitt.o
obj-y += net_utils.o
endif
obj-$(CONFIG_ADDR_MAP) += addr_map.o
diff --git a/lib/crc16.c b/lib/crc16-ccitt.c
similarity index 99%
rename from lib/crc16.c
rename to lib/crc16-ccitt.c
index f46ba727c9a8..6cadbc103d3e 100644
--- a/lib/crc16.c
+++ b/lib/crc16-ccitt.c
@@ -2,7 +2,7 @@
/*
*==========================================================================
*
- * crc16.c
+ * crc16-ccitt.c
*
* 16 bit CRC with polynomial x^16+x^12+x^5+1
*
diff --git a/tools/Makefile b/tools/Makefile
index 60231c728ceb..852dc638f418 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -131,7 +131,7 @@ dumpimage-mkimage-objs := aisimage.o \
$(ROCKCHIP_OBS) \
socfpgaimage.o \
sunxi_egon.o \
- lib/crc16.o \
+ lib/crc16-ccitt.o \
lib/hash-checksum.o \
lib/sha1.o \
lib/sha256.o \
--
2.20.1
