CHECK: Macro argument 'iter' may be better as '(iter)' to avoid precedence issues
#55: FILE: drivers/net/ethernet/intel/idpf/idpf.h:486:
+#define idpf_for_each_vport(adapter, iter) \
+	for (struct idpf_vport **__##iter = &(adapter)->vports[0], \
+	     *iter = *__##iter; \
+	     __##iter < &(adapter)->vports[(adapter)->num_alloc_vports]; \
+	     iter = *(++__##iter))

CHECK: spinlock_t definition without comment
#217: FILE: drivers/net/ethernet/intel/idpf/idpf_ptp.h:142:
+	spinlock_t lock_in_use;

CHECK: spinlock_t definition without comment
#218: FILE: drivers/net/ethernet/intel/idpf/idpf_ptp.h:143:
+	spinlock_t lock_free;

CHECK: spinlock_t definition without comment
#219: FILE: drivers/net/ethernet/intel/idpf/idpf_ptp.h:144:
+	spinlock_t lock_status;

WARNING: line length of 81 exceeds 80 columns
#259: FILE: drivers/net/ethernet/intel/idpf/idpf_ptp.h:217:
+static inline bool idpf_ptp_get_vport_tstamp_capability(struct idpf_vport *vport)

total: 0 errors, 1 warnings, 4 checks, 426 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 8343478feb70 ("idpf: add Tx timestamp capabilities negotiation") 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, 1 warnings, 4 checks, 426 lines checked