WARNING: line length of 82 exceeds 80 columns
#438: FILE: drivers/net/dsa/yt921x.h:244:
+#define  YT921X_SYS_CLK_SEL_M			GENMASK(1, 0)  /* unknown: 167M */

WARNING: line length of 95 exceeds 80 columns
#456: FILE: drivers/net/dsa/yt921x.h:481:
+#define   YT921X_PORT_METER_ID(x)			FIELD_PREP(YT921X_PORT_METER_ID_M, (x))

WARNING: line length of 97 exceeds 80 columns
#459: FILE: drivers/net/dsa/yt921x.h:484:
+#define  YT921X_METER_CTRLc_TOKEN_OVERFLOW_EN	BIT(13)	/* RFC4115: yellow use unused green bw */

WARNING: line length of 98 exceeds 80 columns
#461: FILE: drivers/net/dsa/yt921x.h:486:
+#define   YT921X_METER_CTRLc_DROP(x)			FIELD_PREP(YT921X_METER_CTRLc_DROP_M, (x))

WARNING: line length of 82 exceeds 80 columns
#462: FILE: drivers/net/dsa/yt921x.h:487:
+#define   YT921X_METER_CTRLc_DROP_GYR			YT921X_METER_CTRLc_DROP(0)

WARNING: line length of 82 exceeds 80 columns
#463: FILE: drivers/net/dsa/yt921x.h:488:
+#define   YT921X_METER_CTRLc_DROP_YR			YT921X_METER_CTRLc_DROP(1)

WARNING: line length of 82 exceeds 80 columns
#464: FILE: drivers/net/dsa/yt921x.h:489:
+#define   YT921X_METER_CTRLc_DROP_R			YT921X_METER_CTRLc_DROP(2)

WARNING: line length of 82 exceeds 80 columns
#465: FILE: drivers/net/dsa/yt921x.h:490:
+#define   YT921X_METER_CTRLc_DROP_NONE			YT921X_METER_CTRLc_DROP(3)

WARNING: line length of 98 exceeds 80 columns
#468: FILE: drivers/net/dsa/yt921x.h:493:
+#define   YT921X_METER_CTRLc_UNIT(x)			FIELD_PREP(YT921X_METER_CTRLc_UNIT_M, (x))

WARNING: line length of 98 exceeds 80 columns
#469: FILE: drivers/net/dsa/yt921x.h:494:
+#define  YT921X_METER_CTRLc_BYTE_MODE_INCLUDE_GAP	BIT(6)	/* +GAP_VALUE bytes each packet */

WARNING: line length of 98 exceeds 80 columns
#473: FILE: drivers/net/dsa/yt921x.h:498:
+#define   YT921X_METER_CTRLbc_CBS(x)			FIELD_PREP(YT921X_METER_CTRLbc_CBS_M, (x))

WARNING: line length of 97 exceeds 80 columns
#475: FILE: drivers/net/dsa/yt921x.h:500:
+#define   YT921X_METER_CTRLb_CIR(x)			FIELD_PREP(YT921X_METER_CTRLb_CIR_M, (x))

WARNING: line length of 98 exceeds 80 columns
#477: FILE: drivers/net/dsa/yt921x.h:502:
+#define   YT921X_METER_CTRLab_EBS(x)			FIELD_PREP(YT921X_METER_CTRLab_EBS_M, (x))

WARNING: line length of 97 exceeds 80 columns
#479: FILE: drivers/net/dsa/yt921x.h:504:
+#define   YT921X_METER_CTRLa_EIR(x)			FIELD_PREP(YT921X_METER_CTRLa_EIR_M, (x))

total: 0 errors, 14 warnings, 0 checks, 477 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 4a5d8cb6c549 ("net: dsa: yt921x: Add port police support") 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, 14 warnings, 0 checks, 477 lines checked