WARNING: line length of 83 exceeds 80 columns
#50: FILE: drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c:230:
+			u32 enabled_snapshots = FIELD_GET(PTP_ACR_MASK, acr_value);

WARNING: Missing a blank line after declarations
#51: FILE: drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c:231:
+			u32 enabled_snapshots = FIELD_GET(PTP_ACR_MASK, acr_value);
+			if (enabled_snapshots) {

WARNING: line length of 83 exceeds 80 columns
#55: FILE: drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c:234:
+					rq->extts.index, ilog2(enabled_snapshots));

total: 0 errors, 3 warnings, 0 checks, 37 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 6f08be175eba ("net: stmac: actually error requests to change the auxiliary snapshot capture channel") 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, 3 warnings, 0 checks, 37 lines checked