commit 44406a36230bf7976145e181a87c24ec71829c3c
author Pali Rohár <pali@kernel.org> Tue Apr 12 11:20:40 2022 +0200
committer Tom Rini <trini@konsulko.com> Thu Apr 21 14:32:40 2022 -0400
tree 074109b92a8601f2a1a57f302b7ccdc2acc7f3da
parent 0477be7fb26138dbeea9923a4581a061e23e54d5

crc16-ccitt: Rename file with CRC-16-CCITT implementation to crc16-ccitt.c

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 <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>

include/u-boot/crc.h

diff --git a/include/u-boot/crc.h b/include/u-boot/crc.h
index 52ec6a9..eba8edf 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

lib/Makefile

diff --git a/lib/Makefile b/lib/Makefile
index 13fe5fb..cf662a7 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -35,7 +35,7 @@
 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-$(CONFIG_TEST_FDTDEC) += fdtdec_test.o
@@ -91,9 +91,9 @@
 obj-$(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

lib/crc16-ccitt.c

diff --git a/lib/crc16.c b/lib/crc16-ccitt.c
similarity index 98%
rename from lib/crc16.c
rename to lib/crc16-ccitt.c
index f46ba72..6cadbc1 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
  *

tools/Makefile

diff --git a/tools/Makefile b/tools/Makefile
index e17271b..9f23396 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -132,7 +132,7 @@
 			$(ROCKCHIP_OBS) \
 			socfpgaimage.o \
 			sunxi_egon.o \
-			lib/crc16.o \
+			lib/crc16-ccitt.o \
 			lib/hash-checksum.o \
 			lib/sha1.o \
 			lib/sha256.o \