WARNING: line length of 83 exceeds 80 columns
#165: FILE: drivers/net/dsa/yt921x.c:2502:
+			ctrl |= YT921X_PORT_PRIO_ORD_APPm(YT921X_APP_SEL_CVLAN_PCP,

WARNING: line length of 83 exceeds 80 columns
#167: FILE: drivers/net/dsa/yt921x.c:2504:
+			ctrl |= YT921X_PORT_PRIO_ORD_APPm(YT921X_APP_SEL_SVLAN_PCP,

WARNING: line length of 91 exceeds 80 columns
#370: FILE: drivers/net/dsa/yt921x.h:272:
+#define YT921X_IPM_DSCPn(n)		(0x180000 + 4 * (n))	/* Internal Priority Map */

WARNING: line length of 89 exceeds 80 columns
#371: FILE: drivers/net/dsa/yt921x.h:273:
+#define YT921X_IPM_PCPn(map, dei, pcp)	(0x180100 + 4 * (16 * (map) + 8 * (dei) + (pcp)))

WARNING: line length of 90 exceeds 80 columns
#373: FILE: drivers/net/dsa/yt921x.h:275:
+#define   YT921X_IPM_PRIO(x)				FIELD_PREP(YT921X_IPM_PRIO_M, (x))

WARNING: line length of 91 exceeds 80 columns
#375: FILE: drivers/net/dsa/yt921x.h:277:
+#define   YT921X_IPM_COLOR(x)				FIELD_PREP(YT921X_IPM_COLOR_M, (x))

WARNING: line length of 95 exceeds 80 columns
#383: FILE: drivers/net/dsa/yt921x.h:285:
+#define   YT921X_PORT_QOS_PRIO(x)			FIELD_PREP(YT921X_PORT_QOS_PRIO_M, (x))

WARNING: line length of 119 exceeds 80 columns
#387: FILE: drivers/net/dsa/yt921x.h:289:
+#define   YT921X_PORT_PRIO_ORD_APPm(m, x)		((x) << (3 * (m)))	/* 0: disabled, except PORT_QOS_PRIO */

WARNING: line length of 94 exceeds 80 columns
#423: FILE: drivers/net/dsa/yt921x.h:393:
+#define   YT921X_FDB_IO2_PRIO(x)			FIELD_PREP(YT921X_FDB_IO2_PRIO_M, (x))

WARNING: line length of 96 exceeds 80 columns
#435: FILE: drivers/net/dsa/yt921x.h:443:
+#define   YT921X_VLAN_CTRL_PRIO(x)			FIELD_PREP(YT921X_VLAN_CTRL_PRIO_M, (x))

total: 0 errors, 10 warnings, 0 checks, 422 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 4e36ac1f0ea5 ("net: dsa: yt921x: Add DCB/QoS 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, 10 warnings, 0 checks, 422 lines checked