WARNING: line length of 91 exceeds 80 columns
#45: FILE: drivers/net/phy/dp83867.c:523:
+			if (dp83867->io_impedance > DP83867_IO_MUX_CFG_IO_IMPEDANCE_MASK) {

WARNING: line length of 87 exceeds 80 columns
#50: FILE: drivers/net/phy/dp83867.c:528:
+		} else if (of_property_read_bool(of_node, "ti,max-output-impedance")) {

WARNING: line length of 87 exceeds 80 columns
#53: FILE: drivers/net/phy/dp83867.c:530:
+		} else if (of_property_read_bool(of_node, "ti,min-output-impedance")) {

total: 0 errors, 3 warnings, 0 checks, 26 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 65509350c771 ("net: phy: dp83867: add numeric io impedance DT property") 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, 26 lines checked