WARNING: line length of 83 exceeds 80 columns
#195: FILE: include/linux/ptp_clock_kernel.h:479:
+				       enum hwtstamp_provider_qualifier qualifier);

WARNING: line length of 87 exceeds 80 columns
#256: FILE: include/uapi/linux/ethtool_netlink.h:505:
+	ETHTOOL_A_TS_HWTSTAMP_PROVIDER_MAX = (__ETHTOOL_A_TS_HWTSTAMP_PROVIDER_CNT - 1)

WARNING: line length of 93 exceeds 80 columns
#267: FILE: include/uapi/linux/ethtool_netlink.h:517:
+	ETHTOOL_A_TSINFO_HWTSTAMP_PROVIDER,		/* nest - *_TS_HWTSTAMP_PROVIDER_* */

WARNING: line length of 81 exceeds 80 columns
#361: FILE: net/ethtool/netlink.h:467:
+extern const struct nla_policy ethnl_tsinfo_get_policy[ETHTOOL_A_TSINFO_MAX + 1];

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#376: 
new file mode 100644

CHECK: No space is necessary after a cast
#410: FILE: net/ethtool/ts.h:30:
+			       ARRAY_SIZE(ethnl_ts_hwtst_prov_policy) - 1,

WARNING: line length of 83 exceeds 80 columns
#515: FILE: net/ethtool/tsinfo.c:77:
+		hwtstamp.ptp = ptp_clock_get_by_index(&dev->dev, req->hwtst.index);

WARNING: line length of 81 exceeds 80 columns
#591: FILE: net/ethtool/tsinfo.c:251:
+static int ethnl_tsinfo_dump_one_ptp(struct sk_buff *skb, struct net_device *dev,

WARNING: line length of 81 exceeds 80 columns
#644: FILE: net/ethtool/tsinfo.c:304:
+static int ethnl_tsinfo_dump_one_dev(struct sk_buff *skb, struct net_device *dev,

total: 0 errors, 8 warnings, 1 checks, 650 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 9c0f8b8666b4 ("net: ethtool: tsinfo: Add support for reading tsinfo for a specific hwtstamp provider") 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, 8 warnings, 1 checks, 650 lines checked