WARNING: line length of 81 exceeds 80 columns
#111: FILE: drivers/net/dsa/ks8995.c:49:
+#define KS8995_GC4_MII_FLOW	BIT(5)	/* MII full-duplex flow control enable */

WARNING: line length of 85 exceeds 80 columns
#341: FILE: drivers/net/dsa/ks8995.c:581:
+		ret = ks8995_read_reg(ks, KS8995_REG_PC(port, KS8995_REG_PC2), &val);

WARNING: line length of 93 exceeds 80 columns
#343: FILE: drivers/net/dsa/ks8995.c:583:
+			dev_err(ks->dev, "failed to read KS8995_REG_PC2 on port %d\n", port);

WARNING: line length of 85 exceeds 80 columns
#352: FILE: drivers/net/dsa/ks8995.c:592:
+		ret = ks8995_write_reg(ks, KS8995_REG_PC(port, KS8995_REG_PC2), val);

WARNING: line length of 94 exceeds 80 columns
#354: FILE: drivers/net/dsa/ks8995.c:594:
+			dev_err(ks->dev, "failed to write KS8995_REG_PC2 on port %d\n", port);

WARNING: line length of 85 exceeds 80 columns
#370: FILE: drivers/net/dsa/ks8995.c:610:
+		dev_err(ks->dev, "failed to read KS8995_REG_PC2 on port %d\n", port);

WARNING: line length of 86 exceeds 80 columns
#402: FILE: drivers/net/dsa/ks8995.c:642:
+		dev_err(ks->dev, "failed to write KS8995_REG_PC2 on port %d\n", port);

total: 0 errors, 7 warnings, 0 checks, 481 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 492f31d1dcee ("net: dsa: ks8995: Add basic switch set-up") 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, 7 warnings, 0 checks, 481 lines checked