threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
29 lines
613 B
C
29 lines
613 B
C
/*
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* crc-itu-t.h - CRC ITU-T V.41 routine
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*
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* Implements the standard CRC ITU-T V.41:
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* Width 16
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* Poly 0x1021 (x^16 + x^12 + x^15 + 1)
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* Init 0
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*
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* This source code is licensed under the GNU General Public License,
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* Version 2. See the file COPYING for more details.
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*/
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#ifndef CRC_ITU_T_H
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#define CRC_ITU_T_H
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#include <linux/types.h>
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extern u16 const crc_itu_t_table[256];
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extern u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len);
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static inline u16 crc_itu_t_byte(u16 crc, const u8 data)
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{
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return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ data) & 0xff];
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}
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#endif /* CRC_ITU_T_H */
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