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/linux/lib/crc/
H A Dcrc4.c3 * crc4.c - simple crc-4 calculations.
6 #include <linux/crc4.h>
16 * crc4 - calculate the 4-bit crc of a value.
17 * @c: starting crc4
21 * Returns the crc4 value of @x, using polynomial 0b10111.
26 uint8_t crc4(uint8_t c, uint64_t x, int bits) in crc4() function
36 /* Calculate crc4 over four-bit nibbles, starting at the MSbit */ in crc4()
42 EXPORT_SYMBOL_GPL(crc4);
44 MODULE_DESCRIPTION("CRC4 calculations");
H A DKconfig5 config CRC4 config
8 The CRC4 library functions. Select this if your module uses any of
9 the functions from <linux/crc4.h>.
/linux/drivers/fsi/
H A DKconfig9 select CRC4
34 select CRC4
H A Dfsi-master-gpio.c6 #include <linux/crc4.h>
177 crc = crc4(0, 1 << top | msg->msg >> (msg->bits - top), top + 1); in msg_push_crc()
180 crc = crc4(crc, msg->msg, msg->bits - top); in msg_push_crc()
378 crc = crc4(0, 1, 1); in read_one_response()
379 crc = crc4(crc, msg.msg, msg.bits); in read_one_response()
H A Dfsi-master-ast-cf.c7 #include <linux/crc4.h>
145 crc = crc4(0, 1 << top | msg->msg >> (msg->bits - top), top + 1); in msg_push_crc()
148 crc = crc4(crc, msg->msg, msg->bits - top); in msg_push_crc()
389 crc = crc4(0, 1, 1); in read_copro_response()
390 crc = crc4(crc, rtag, 4); in read_copro_response()
393 crc = crc4(crc, rdata, size); in read_copro_response()
397 crc = crc4(crc, rcrc, 4); in read_copro_response()
H A Dfsi-core.c13 #include <linux/crc4.h>
525 crc = crc4(0, conf, 32); in fsi_slave_scan()
1058 crc = crc4(0, cfam_id, 32); in fsi_slave_init()
/linux/include/linux/
H A Dcrc4.h7 extern uint8_t crc4(uint8_t c, uint64_t x, int bits);
/linux/drivers/iio/imu/
H A Dadis16550.c128 * This is a simplified implementation of lib/crc4.c. It could not be used
140 /* Calculate crc4 over four-bit nibbles, starting at the MSbit */ in spi_crc4()
850 * vector and crc4. in adis16550_trigger_handler()
898 /* crc4 is 0 on burst command */ in adis16550_update_scan_mode()
/linux/Documentation/translations/zh_CN/core-api/
H A Dkernel-api.rst138 lib/crc4.c
/linux/drivers/net/wan/
H A Dfarsync.h117 unsigned char structure; /* unframed, double, crc4, f4, f12, */
/linux/drivers/gpu/drm/i915/display/
H A Dintel_display_irq.c425 u32 crc4) in display_pipe_crc_irq_handler()
429 u32 crcs[5] = { crc0, crc1, crc2, crc3, crc4 }; in display_pipe_crc_irq_handler()
460 u32 crc4) {}
424 display_pipe_crc_irq_handler(struct intel_display * display,enum pipe pipe,u32 crc0,u32 crc1,u32 crc2,u32 crc3,u32 crc4) display_pipe_crc_irq_handler() argument
459 display_pipe_crc_irq_handler(struct intel_display * display,enum pipe pipe,u32 crc0,u32 crc1,u32 crc2,u32 crc3,u32 crc4) display_pipe_crc_irq_handler() argument
/linux/drivers/net/ethernet/agere/
H A Det131x.h644 * 31-16: crc4