WARNING: line length of 100 exceeds 80 columns
#54: FILE: drivers/net/ethernet/rpmsg_eth.c:32:
+	if (readl(port->shm + port->tx_offset + HEAD_MAGIC_NUM_OFFSET) != RPMSG_ETH_SHM_MAGIC_NUM ||

WARNING: line length of 100 exceeds 80 columns
#55: FILE: drivers/net/ethernet/rpmsg_eth.c:33:
+	    readl(port->shm + port->rx_offset + HEAD_MAGIC_NUM_OFFSET) != RPMSG_ETH_SHM_MAGIC_NUM ||

WARNING: line length of 122 exceeds 80 columns
#56: FILE: drivers/net/ethernet/rpmsg_eth.c:34:
+	    readl(port->shm + port->tx_offset + TAIL_MAGIC_NUM_OFFSET(port->tx_max_buffers)) != RPMSG_ETH_SHM_MAGIC_NUM ||

WARNING: line length of 122 exceeds 80 columns
#57: FILE: drivers/net/ethernet/rpmsg_eth.c:35:
+	    readl(port->shm + port->rx_offset + TAIL_MAGIC_NUM_OFFSET(port->rx_max_buffers)) != RPMSG_ETH_SHM_MAGIC_NUM) {

WARNING: line length of 84 exceeds 80 columns
#88: FILE: drivers/net/ethernet/rpmsg_eth.c:66:
+			msg_type, rpmsg_type, msg->msg_hdr.src_id, msg->req_msg.id);

WARNING: line length of 85 exceeds 80 columns
#93: FILE: drivers/net/ethernet/rpmsg_eth.c:71:
+			msg_type, rpmsg_type, msg->msg_hdr.src_id, msg->resp_msg.id);

WARNING: line length of 90 exceeds 80 columns
#105: FILE: drivers/net/ethernet/rpmsg_eth.c:83:
+			ret = rpmsg_eth_validate_handshake(port, &msg->resp_msg.shm_info);

WARNING: line length of 89 exceeds 80 columns
#107: FILE: drivers/net/ethernet/rpmsg_eth.c:85:
+				dev_err(common->dev, "RPMSG handshake failed %d\n", ret);

WARNING: line length of 87 exceeds 80 columns
#118: FILE: drivers/net/ethernet/rpmsg_eth.c:94:
+			msg_type, rpmsg_type, msg->msg_hdr.src_id, msg->notify_msg.id);

WARNING: line length of 85 exceeds 80 columns
#156: FILE: drivers/net/ethernet/rpmsg_eth.c:196:
+		dev_dbg(dev, "Using random MAC address %pM\n", port->ndev->dev_addr);

WARNING: line length of 81 exceeds 80 columns
#162: FILE: drivers/net/ethernet/rpmsg_eth.c:202:
+		dev_err(dev, "error registering rpmsg_eth net device %d\n", err);

WARNING: line length of 87 exceeds 80 columns
#198: FILE: drivers/net/ethernet/rpmsg_eth.h:23:
+#define MAX_MTU   (RPMSG_ETH_PACKET_BUFFER_SIZE - (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN))

WARNING: line length of 83 exceeds 80 columns
#205: FILE: drivers/net/ethernet/rpmsg_eth.h:30:
+/* 4 bytes to hold packet length and RPMSG_ETH_PACKET_BUFFER_SIZE to hold packet */

WARNING: line length of 81 exceeds 80 columns
#217: FILE: drivers/net/ethernet/rpmsg_eth.h:42:
+	((HEAD_IDX_OFFSET + MAGIC_NUM_SIZE_TYPE) + ((n) * RPMSG_ETH_BUFFER_SIZE))

WARNING: line length of 86 exceeds 80 columns
#221: FILE: drivers/net/ethernet/rpmsg_eth.h:46:
+#define rpmsg_eth_ndev_to_priv(ndev) ((struct rpmsg_eth_ndev_priv *)netdev_priv(ndev))

total: 0 errors, 15 warnings, 0 checks, 395 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 c72bcd24011d ("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, 15 warnings, 0 checks, 395 lines checked