367 	int rc;  in mctp_astlpc_kcs_set_status()  local
377 	rc = mctp_astlpc_kcs_write(astlpc, MCTP_ASTLPC_KCS_REG_STATUS, status);  in mctp_astlpc_kcs_set_status()
378 	if (rc) {  in mctp_astlpc_kcs_set_status()
385 	rc = mctp_astlpc_kcs_write(astlpc, MCTP_ASTLPC_KCS_REG_DATA, data);  in mctp_astlpc_kcs_set_status()
386 	if (rc) {  in mctp_astlpc_kcs_set_status()
398 	int rc;  in mctp_astlpc_layout_read()  local
400 	rc = mctp_astlpc_lpc_read(astlpc, &hdr, 0, sizeof(hdr));  in mctp_astlpc_layout_read()
401 	if (rc < 0)  in mctp_astlpc_layout_read()
402 		return rc;  in mctp_astlpc_layout_read()
644 	int rc;  in mctp_astlpc_negotiate_layout_host()  local
646 	rc = mctp_astlpc_layout_read(astlpc, &layout);  in mctp_astlpc_negotiate_layout_host()
647 	if (rc < 0)  in mctp_astlpc_negotiate_layout_host()
648 		return rc;  in mctp_astlpc_negotiate_layout_host()
706 	int rc;  in mctp_astlpc_init_host()  local
708 	rc = mctp_astlpc_kcs_read(astlpc, MCTP_ASTLPC_KCS_REG_STATUS, &status);  in mctp_astlpc_init_host()
709 	if (rc) {  in mctp_astlpc_init_host()
711 		return rc;  in mctp_astlpc_init_host()
738 		rc = mctp_astlpc_negotiate_layout_host(astlpc);  in mctp_astlpc_init_host()
739 		if (rc < 0)  in mctp_astlpc_init_host()
740 			return rc;  in mctp_astlpc_init_host()
753 	rc = mctp_astlpc_kcs_write(astlpc, MCTP_ASTLPC_KCS_REG_DATA, 0x0);  in mctp_astlpc_init_host()
754 	if (rc) {  in mctp_astlpc_init_host()
770 	return rc;  in mctp_astlpc_init_host()
811 	int rc;  in mctp_astlpc_kcs_send()  local
813 	rc = mctp_astlpc_kcs_read(astlpc, MCTP_ASTLPC_KCS_REG_STATUS, &status);  in mctp_astlpc_kcs_send()
814 	if (rc) {  in mctp_astlpc_kcs_send()
821 	rc = mctp_astlpc_kcs_write(astlpc, MCTP_ASTLPC_KCS_REG_DATA, data);  in mctp_astlpc_kcs_send()
822 	if (rc) {  in mctp_astlpc_kcs_send()
836 	int rc;  in mctp_binding_astlpc_tx()  local
866 	rc = mctp_astlpc_kcs_send(astlpc, cmd_tx_begin);  in mctp_binding_astlpc_tx()
867 	if (!rc)  in mctp_binding_astlpc_tx()
870 	return rc == -EBUSY ? 0 : rc;  in mctp_binding_astlpc_tx()
900 	int rc;  in mctp_astlpc_negotiate_layout_bmc()  local
907 	rc = mctp_astlpc_layout_read(astlpc, &proposed);  in mctp_astlpc_negotiate_layout_bmc()
908 	if (rc < 0)  in mctp_astlpc_negotiate_layout_bmc()
909 		return rc;  in mctp_astlpc_negotiate_layout_bmc()
932 		rc = mctp_astlpc_layout_write(astlpc, &astlpc->layout);  in mctp_astlpc_negotiate_layout_bmc()
933 		if (rc < 0)  in mctp_astlpc_negotiate_layout_bmc()
934 			return rc;  in mctp_astlpc_negotiate_layout_bmc()
954 	int rc;  in mctp_astlpc_init_channel()  local
969 	rc = mctp_astlpc_negotiate_layout_bmc(astlpc);  in mctp_astlpc_init_channel()
970 	if (rc < 0)  in mctp_astlpc_init_channel()
1074 	int rc;  in mctp_astlpc_finalise_channel()  local
1076 	rc = mctp_astlpc_lpc_read(astlpc, &negotiated,  in mctp_astlpc_finalise_channel()
1080 	if (rc < 0)  in mctp_astlpc_finalise_channel()
1081 		return rc;  in mctp_astlpc_finalise_channel()
1096 	rc = mctp_astlpc_layout_read(astlpc, &layout);  in mctp_astlpc_finalise_channel()
1097 	if (rc < 0)  in mctp_astlpc_finalise_channel()
1098 		return rc;  in mctp_astlpc_finalise_channel()
1122 	int rc = 0;  in mctp_astlpc_update_channel()  local
1149 		rc = mctp_astlpc_finalise_channel(astlpc);  in mctp_astlpc_update_channel()
1150 		enable = (status & KCS_STATUS_CHANNEL_ACTIVE) && rc == 0;  in mctp_astlpc_update_channel()
1156 	return rc;  in mctp_astlpc_update_channel()
1167 	int rc;  in mctp_astlpc_poll()  local
1177 	rc = mctp_astlpc_kcs_read(astlpc, MCTP_ASTLPC_KCS_REG_STATUS, &status);  in mctp_astlpc_poll()
1178 	if (rc) {  in mctp_astlpc_poll()
1188 	rc = mctp_astlpc_kcs_read(astlpc, MCTP_ASTLPC_KCS_REG_DATA, &data);  in mctp_astlpc_poll()
1189 	if (rc) {  in mctp_astlpc_poll()
1230 			rc = mctp_astlpc_update_channel(astlpc, status);  in mctp_astlpc_poll()
1231 			if (rc < 0)  in mctp_astlpc_poll()
1232 				return rc;  in mctp_astlpc_poll()
1245 	return rc;  in mctp_astlpc_poll()
1345 	int fd, rc;  in mctp_astlpc_init_fileio_lpc()  local
1353 	rc = ioctl(fd, ASPEED_LPC_CTRL_IOCTL_GET_SIZE, &map);  in mctp_astlpc_init_fileio_lpc()
1354 	if (rc) {  in mctp_astlpc_init_fileio_lpc()
1389 	rc = ioctl(fd, ASPEED_LPC_CTRL_IOCTL_MAP, &map);  in mctp_astlpc_init_fileio_lpc()
1390 	if (rc) {  in mctp_astlpc_init_fileio_lpc()
1402 		rc = -1;  in mctp_astlpc_init_fileio_lpc()
1409 	return rc;  in mctp_astlpc_init_fileio_lpc()
1428 	int rc;  in __mctp_astlpc_fileio_kcs_read()  local
1430 	rc = pread(astlpc->kcs_fd, val, 1, offset);  in __mctp_astlpc_fileio_kcs_read()
1432 	return rc == 1 ? 0 : -1;  in __mctp_astlpc_fileio_kcs_read()
1441 	int rc;  in __mctp_astlpc_fileio_kcs_write()  local
1443 	rc = pwrite(astlpc->kcs_fd, &val, 1, offset);  in __mctp_astlpc_fileio_kcs_write()
1445 	return rc == 1 ? 0 : -1;  in __mctp_astlpc_fileio_kcs_write()
1467 	int rc;  in mctp_astlpc_init_fileio()  local
1486 	rc = mctp_astlpc_init_fileio_lpc(astlpc);  in mctp_astlpc_init_fileio()
1487 	if (rc) {  in mctp_astlpc_init_fileio()
1492 	rc = mctp_astlpc_init_fileio_kcs(astlpc, kcs_path);  in mctp_astlpc_init_fileio()
1493 	if (rc) {  in mctp_astlpc_init_fileio()