CHECK: No space is necessary after a cast
#273: FILE: drivers/net/ethernet/dlink/dl2k.c:1202:
+#define READ_STAT(S, B, I) (*((u64 *) (((void *) B) + S[I].stat_offset)))

CHECK: Macro argument 'S' may be better as '(S)' to avoid precedence issues
#273: FILE: drivers/net/ethernet/dlink/dl2k.c:1202:
+#define READ_STAT(S, B, I) (*((u64 *) (((void *) B) + S[I].stat_offset)))

CHECK: No space is necessary after a cast
#274: FILE: drivers/net/ethernet/dlink/dl2k.c:1203:
+#define READ_DATA(S, B, I) (*((u64 *) (((void *) B) + S[I].data_offset)))

CHECK: Macro argument 'S' may be better as '(S)' to avoid precedence issues
#274: FILE: drivers/net/ethernet/dlink/dl2k.c:1203:
+#define READ_DATA(S, B, I) (*((u64 *) (((void *) B) + S[I].data_offset)))

CHECK: Macro argument 'SIZE' may be better as '(SIZE)' to avoid precedence issues
#276: FILE: drivers/net/ethernet/dlink/dl2k.c:1205:
+#define GET_STATS(STATS, SIZE)					\
+	for (int i = 0; i < SIZE; i++) {				\
+		if (STATS[i].size == sizeof(u32))			\
+			READ_STAT(STATS, np, i) = dr32(STATS[i].regs);	\
+		else							\
+			READ_STAT(STATS, np, i) = dr16(STATS[i].regs);	\
+	}

CHECK: Macro argument 'SIZE' may be better as '(SIZE)' to avoid precedence issues
#284: FILE: drivers/net/ethernet/dlink/dl2k.c:1213:
+#define CLEAR_STATS(STATS, SIZE)					\
+	for (int i = 0; i < SIZE; i++) {				\
+		if (STATS[i].size == sizeof(u32))			\
+			dr32(STATS[i].regs);				\
+		else							\
+			dr16(STATS[i].regs);				\
+	}

CHECK: Lines should not end with a '('
#440: FILE: drivers/net/ethernet/dlink/dl2k.c:1419:
+static void get_ethtool_rmon_stats(

WARNING: line length of 83 exceeds 80 columns
#448: FILE: drivers/net/ethernet/dlink/dl2k.c:1427:
+		READ_DATA(rmon_stats, rmon_base, i) = READ_STAT(rmon_stats, np, i);

WARNING: line length of 83 exceeds 80 columns
#464: FILE: drivers/net/ethernet/dlink/dl2k.c:1443:
+		READ_DATA(ctrl_stats, ctrl_base, i) = READ_STAT(ctrl_stats, np, i);

CHECK: Please don't use multiple blank lines
#481: FILE: drivers/net/ethernet/dlink/dl2k.c:1460:
+
+

CHECK: spinlock_t definition without comment
#560: FILE: drivers/net/ethernet/dlink/dl2k.h:387:
+	spinlock_t stats_lock;

total: 0 errors, 2 warnings, 9 checks, 529 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 2e4d2fddc672 ("net: dlink: add support for reporting stats via `ethtool -S`") 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, 2 warnings, 9 checks, 529 lines checked