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0cbaa44841
Add a little helper for crc4 calculations. This works 4-bits-at-a-time, using a simple table approach. We will need this in the FSI core code, as well as any master implementations that need to calculate CRCs in software. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Chris Bostic <cbostic@linux.vnet.ibm.com> Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
9 lines
153 B
C
9 lines
153 B
C
#ifndef _LINUX_CRC4_H
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#define _LINUX_CRC4_H
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#include <linux/types.h>
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extern uint8_t crc4(uint8_t c, uint64_t x, int bits);
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#endif /* _LINUX_CRC4_H */
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