[PATCH 1/5] crc16-ccitt: Rename file with CRC-16-CCITT implementation to crc16-ccitt.c
Stefan Roese
sr at denx.de
Thu Apr 21 16:34:45 CEST 2022
On 4/12/22 11:20, Pali Rohár wrote:
> 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 at kernel.org>
Reviewed-by: Stefan Roese <sr at denx.de>
Thanks,
Stefan
> ---
> 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 \
Viele Grüße,
Stefan Roese
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de
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