WARNING: line length of 81 exceeds 80 columns
#71: FILE: drivers/net/ethernet/rpmsg_eth.c:51:
+				  TAIL_MAGIC_NUM_OFFSET(shm_info->num_pkt_bufs));

WARNING: line length of 81 exceeds 80 columns
#73: FILE: drivers/net/ethernet/rpmsg_eth.c:53:
+				  TAIL_MAGIC_NUM_OFFSET(shm_info->num_pkt_bufs));

WARNING: line length of 84 exceeds 80 columns
#100: FILE: drivers/net/ethernet/rpmsg_eth.c:80:
+			msg_type, rpmsg_type, msg->msg_hdr.src_id, msg->req_msg.id);

WARNING: line length of 85 exceeds 80 columns
#105: FILE: drivers/net/ethernet/rpmsg_eth.c:85:
+			msg_type, rpmsg_type, msg->msg_hdr.src_id, msg->resp_msg.id);

WARNING: line length of 90 exceeds 80 columns
#109: FILE: drivers/net/ethernet/rpmsg_eth.c:89:
+			ret = rpmsg_eth_validate_handshake(port, &msg->resp_msg.shm_info);

WARNING: line length of 89 exceeds 80 columns
#111: FILE: drivers/net/ethernet/rpmsg_eth.c:91:
+				dev_err(common->dev, "RPMSG handshake failed %d\n", ret);

WARNING: line length of 87 exceeds 80 columns
#130: FILE: drivers/net/ethernet/rpmsg_eth.c:108:
+			msg_type, rpmsg_type, msg->msg_hdr.src_id, msg->notify_msg.id);

WARNING: line length of 85 exceeds 80 columns
#168: FILE: drivers/net/ethernet/rpmsg_eth.c:205:
+		dev_dbg(dev, "Using random MAC address %pM\n", port->ndev->dev_addr);

WARNING: line length of 81 exceeds 80 columns
#174: FILE: drivers/net/ethernet/rpmsg_eth.c:211:
+		dev_err(dev, "error registering rpmsg_eth net device %d\n", err);

WARNING: line length of 83 exceeds 80 columns
#218: FILE: drivers/net/ethernet/rpmsg_eth.h:31:
+/* 4 bytes to hold packet length and RPMSG_ETH_PACKET_BUFFER_SIZE to hold packet */

WARNING: line length of 81 exceeds 80 columns
#230: FILE: drivers/net/ethernet/rpmsg_eth.h:43:
+	((HEAD_IDX_OFFSET + MAGIC_NUM_SIZE_TYPE) + ((n) * RPMSG_ETH_BUFFER_SIZE))

WARNING: line length of 86 exceeds 80 columns
#234: FILE: drivers/net/ethernet/rpmsg_eth.h:47:
+#define rpmsg_eth_ndev_to_priv(ndev) ((struct rpmsg_eth_ndev_priv *)netdev_priv(ndev))

total: 0 errors, 12 warnings, 0 checks, 416 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit e6cc13cb5370 ("net: rpmsg-eth: Register device as netdev") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 12 warnings, 0 checks, 416 lines checked