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1836eea209
This eliminates a 1-bit left shift in every single caller, and makes the inner loop of the CRC computation more efficient. Renamed crc7 to crc7_be (big-endian) since the interface changed. Also purged #include <linux/crc7.h> from files that don't use it at all. Signed-off-by: George Spelvin <linux@horizon.com> Reviewed-by: Pavel Machek <pavel@ucw.cz> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 lines
277 B
C
15 lines
277 B
C
#ifndef _LINUX_CRC7_H
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#define _LINUX_CRC7_H
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#include <linux/types.h>
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extern const u8 crc7_be_syndrome_table[256];
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static inline u8 crc7_be_byte(u8 crc, u8 data)
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{
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return crc7_be_syndrome_table[crc ^ data];
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}
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extern u8 crc7_be(u8 crc, const u8 *buffer, size_t len);
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#endif
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