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| author | Pali Rohár <pali@kernel.org> | 2022-04-12 11:20:42 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-21 14:32:40 -0400 |
| commit | 1a47e6d47c7184b116bb58e8451dc0d4f141a609 (patch) | |
| tree | be4f127bc92f771a0c5254083fec1562453d8e1c | |
| parent | e523f5d181ce66a36b5f9476b86be2fa03284a45 (diff) | |
| download | u-boot-1a47e6d47c7184b116bb58e8451dc0d4f141a609.zip u-boot-1a47e6d47c7184b116bb58e8451dc0d4f141a609.tar.gz u-boot-1a47e6d47c7184b116bb58e8451dc0d4f141a609.tar.bz2 | |
crc16: Move standard CRC-16 implementation from ubifs to lib
This implementation provides standard CRC-16 algorithm with polynomial
x^16 + x^15 + x^2 + 1.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
| -rw-r--r-- | fs/ubifs/Makefile | 2 | ||||
| -rw-r--r-- | include/u-boot/crc.h | 3 | ||||
| -rw-r--r-- | lib/Makefile | 1 | ||||
| -rw-r--r-- | lib/crc16.c (renamed from fs/ubifs/crc16.c) | 0 |
4 files changed, 5 insertions, 1 deletions
diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile index 64d6447..631ba5f 100644 --- a/fs/ubifs/Makefile +++ b/fs/ubifs/Makefile @@ -9,5 +9,5 @@ obj-y := ubifs.o io.o super.o sb.o master.o lpt.o obj-y += lpt_commit.o scan.o lprops.o -obj-y += tnc.o tnc_misc.o debug.o crc16.o budget.o +obj-y += tnc.o tnc_misc.o debug.o budget.o obj-y += log.o orphan.o recovery.o replay.o gc.o diff --git a/include/u-boot/crc.h b/include/u-boot/crc.h index eba8edf..5174bd7 100644 --- a/include/u-boot/crc.h +++ b/include/u-boot/crc.h @@ -25,6 +25,9 @@ */ unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len); +/* lib/crc16.c - 16 bit CRC with polynomial x^16 + x^15 + x^2 + 1 */ +uint16_t crc16(uint16_t crc, const unsigned char *buffer, size_t len); + /* 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); /** diff --git a/lib/Makefile b/lib/Makefile index cf662a7..d9b1811 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -35,6 +35,7 @@ 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 diff --git a/fs/ubifs/crc16.c b/lib/crc16.c index 7cf33fc..7cf33fc 100644 --- a/fs/ubifs/crc16.c +++ b/lib/crc16.c |