WARNING: line length of 84 exceeds 80 columns
#350: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_ep.c:145:
+	ndev = alloc_netdev_mqs(sizeof(struct tsn_endpoint), "ep", NET_NAME_UNKNOWN,

WARNING: line length of 83 exceeds 80 columns
#355: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_ep.c:150:
+		return dev_err_probe(dev, -ENOMEM, "failed to alloc net_device\n");

WARNING: line length of 95 exceeds 80 columns
#428: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:23:
+static inline struct skbuf_dma_descriptor *tsn_get_rx_desc(struct tsn_dma_chan *xchan, int idx)

WARNING: line length of 95 exceeds 80 columns
#433: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:28:
+static inline struct skbuf_dma_descriptor *tsn_get_tx_desc(struct tsn_dma_chan *xchan, int idx)

WARNING: line length of 84 exceeds 80 columns
#451: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:46:
+		xchan->ring_head = (xchan->ring_head + 1) & (RX_BD_NUM_DEFAULT - 1);

WARNING: line length of 83 exceeds 80 columns
#485: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:80:
+	dma_unmap_single(common->dev, addr, common->max_frm_size, DMA_FROM_DEVICE);

WARNING: line length of 84 exceeds 80 columns
#490: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:85:
+		xchan->ring_head = (xchan->ring_head - 1) & (RX_BD_NUM_DEFAULT - 1);

WARNING: line length of 91 exceeds 80 columns
#504: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:99:
+static inline struct net_device *tsn_classify_rx_packet(struct tsn_priv *common, u32 tuser)

WARNING: line length of 98 exceeds 80 columns
#522: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:117:
+			dev_warn(common->dev, "RX from MAC port %u not yet supported\n", port_id);

WARNING: line length of 86 exceeds 80 columns
#528: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:123:
+			dev_warn(common->dev, "Invalid TUSER port ID: %u\n", port_id);

WARNING: line length of 84 exceeds 80 columns
#555: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:150:
+		xchan->ring_tail = (xchan->ring_tail + 1) & (RX_BD_NUM_DEFAULT - 1);

WARNING: line length of 92 exceeds 80 columns
#630: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:225:
+			xchan->ring_tail = (xchan->ring_tail + 1) & (TX_BD_NUM_DEFAULT - 1);

WARNING: line length of 81 exceeds 80 columns
#634: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:229:
+					  skb_get_queue_mapping(skbuf_dma->skb));

WARNING: line length of 84 exceeds 80 columns
#636: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:231:
+		xchan->ring_tail = (xchan->ring_tail + 1) & (TX_BD_NUM_DEFAULT - 1);

WARNING: line length of 98 exceeds 80 columns
#674: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:269:
+			netdev_warn(ndev, "Logical TX queue %d has invalid DMA mapping\n", queue);

WARNING: line length of 93 exceeds 80 columns
#685: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:280:
+		if (CIRC_SPACE(xchan->ring_head, xchan->ring_tail, TX_BD_NUM_DEFAULT) <= 1) {

WARNING: line length of 84 exceeds 80 columns
#696: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:291:
+		xchan->ring_head = (xchan->ring_head + 1) & (TX_BD_NUM_DEFAULT - 1);

WARNING: line length of 82 exceeds 80 columns
#720: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:315:
+	if (CIRC_SPACE(xchan->ring_head, xchan->ring_tail, TX_BD_NUM_DEFAULT) < 2)

WARNING: Prefer kzalloc_obj over kzalloc with sizeof
#763: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:481:
+	chan = kzalloc(sizeof(*chan), GFP_KERNEL);

WARNING: line length of 81 exceeds 80 columns
#774: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:492:
+	chan->skb_ring = kcalloc(ring_size, sizeof(*chan->skb_ring), GFP_KERNEL);

WARNING: Prefer kzalloc_obj over kzalloc with sizeof
#783: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:501:
+		chan->skb_ring[i] = kzalloc(sizeof(*chan->skb_ring[i]),
+					    GFP_KERNEL);

WARNING: line length of 91 exceeds 80 columns
#819: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:537:
+		for (i = 0; i < (chan->is_tx ? TX_BD_NUM_DEFAULT : RX_BD_NUM_DEFAULT); i++)

WARNING: line length of 96 exceeds 80 columns
#897: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:615:
+		common->tx_chans[i] = tsn_alloc_dma_chan(common, name, true, TX_BD_NUM_DEFAULT);

WARNING: line length of 97 exceeds 80 columns
#910: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:628:
+		common->rx_chans[i] = tsn_alloc_dma_chan(common, name, false, RX_BD_NUM_DEFAULT);

WARNING: line length of 83 exceeds 80 columns
#978: FILE: drivers/net/ethernet/xilinx/tsn/xilinx_tsn_main.c:725:
+		dev_err(common->dev, "Failed to initialize DMA engine: %d\n", ret);

total: 0 errors, 25 warnings, 0 checks, 955 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 ea82a2c8e546 ("net: xilinx: tsn: Add TSN endpoint and MCDMA support") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 25 warnings, 0 checks, 955 lines checked