WARNING: line length of 89 exceeds 80 columns
#81: FILE: drivers/net/mdio/mdio-realtek-rtl9300.c:380:
+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported) ||

WARNING: line length of 89 exceeds 80 columns
#82: FILE: drivers/net/mdio/mdio-realtek-rtl9300.c:381:
+	    linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, phydev->supported) ||

WARNING: line length of 88 exceeds 80 columns
#83: FILE: drivers/net/mdio/mdio-realtek-rtl9300.c:382:
+	    linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, phydev->supported))

WARNING: line length of 83 exceeds 80 columns
#88: FILE: drivers/net/mdio/mdio-realtek-rtl9300.c:387:
+	mask = port > 23 ? 0x7 << ((port - 24) * 3 + 12) : 0x3 << ((port / 4) * 2);

WARNING: line length of 82 exceeds 80 columns
#110: FILE: drivers/net/mdio/mdio-realtek-rtl9300.c:409:
+		poll_duplex = RTMDIO_PHY_POLL_MMD(MDIO_MMD_PMAPMD, MDIO_CTRL1, 8);

total: 0 errors, 5 warnings, 0 checks, 118 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 7e5dbc73830a ("net: mdio: rtl9300: setup PHY polling registers") 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, 5 warnings, 0 checks, 118 lines checked