WARNING: line length of 81 exceeds 80 columns
#66: FILE: drivers/net/phy/dp83tg720.c:47:
+#define DP83TG720S_TDR_FAULT_TYPE_PROGRESS	0x8 /* 1000 = Test in progress */

WARNING: line length of 82 exceeds 80 columns
#67: FILE: drivers/net/phy/dp83tg720.c:48:
+#define DP83TG720S_TDR_FAULT_TYPE_NP		0xD /* 1101 = Test not possible */

WARNING: line length of 87 exceeds 80 columns
#70: FILE: drivers/net/phy/dp83tg720.c:51:
+#define DP83TG720S_TDR_STATE_READY		0x1 /* 01 = TDR ready for activation */

CHECK: Please don't use multiple blank lines
#241: FILE: drivers/net/phy/dp83tg720.c:222:
+
+

total: 0 errors, 3 warnings, 1 checks, 224 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 c18998954c36 ("net: phy: dp83tg720: Add cable testing support") 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, 3 warnings, 1 checks, 224 lines checked