26 /* One byte less to allow for the PEC */
28 /* 4 byte MCTP header, no data, 1 byte PEC */
108 	u8 pec, addr;  in mctp_i3c_read()  local
145 	/* check PEC, including address byte */  in mctp_i3c_read()
147 	pec = i2c_smbus_pec(0, &addr, 1);  in mctp_i3c_read()
148 	pec = i2c_smbus_pec(pec, xfer.data.in, xfer.len - 1);  in mctp_i3c_read()
149 	if (pec != ((u8 *)xfer.data.in)[xfer.len - 1]) {  in mctp_i3c_read()
155 	/* Remove PEC */  in mctp_i3c_read()
368 	u8 addr, pec;  in mctp_i3c_xmit()  local
394 	/* Need a linear buffer with space for the PEC */  in mctp_i3c_xmit()
405 	/* PEC calculation */  in mctp_i3c_xmit()
407 	pec = i2c_smbus_pec(0, &addr, 1);  in mctp_i3c_xmit()
408 	pec = i2c_smbus_pec(pec, data, data_len);  in mctp_i3c_xmit()
409 	data[data_len] = pec;  in mctp_i3c_xmit()