WARNING: Prefer seq_puts to seq_printf
#64: FILE: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:6355:
+			seq_printf(seq, "Enhanced descriptor ring:\n");

WARNING: line length of 97 exceeds 80 columns
#66: FILE: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:6357:
+					   priv->dma_conf.dma_tx_size, 1, seq, tx_q->dma_tx_phy);

total: 0 errors, 2 warnings, 0 checks, 44 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 faa199be5b6a ("net: stmmac: correct Tx descriptors debugfs prints") 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, 2 warnings, 0 checks, 44 lines checked