WARNING: line length of 86 exceeds 80 columns
#368: FILE: drivers/net/ethernet/mucse/rnpgbe/rnpgbe_lib.c:728:
+			dma_unmap_single(tx_ring->dev, dma_unmap_addr(tx_buffer, dma),

WARNING: line length of 87 exceeds 80 columns
#369: FILE: drivers/net/ethernet/mucse/rnpgbe/rnpgbe_lib.c:729:
+					 dma_unmap_len(tx_buffer, len), DMA_TO_DEVICE);

WARNING: line length of 83 exceeds 80 columns
#654: FILE: drivers/net/ethernet/mucse/rnpgbe/rnpgbe_lib.c:1016:
+	tx_desc->vlan_cmd_bsz = build_ctob(tx_flags | M_TXD_CMD_EOP | M_TXD_CMD_RS,

total: 0 errors, 3 warnings, 0 checks, 865 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 d75f69c4aec8 ("net: rnpgbe: Add basic TX packet transmission 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, 3 warnings, 0 checks, 865 lines checked