WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP
#281: FILE: drivers/gpio/gpio-nct6694.c:208:
+		return -ENOTSUPP;

WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP
#400: FILE: drivers/gpio/gpio-nct6694.c:327:
+		return -ENOTSUPP;

WARNING: line length of 83 exceeds 80 columns
#425: FILE: drivers/gpio/gpio-nct6694.c:352:
+		nct6694_write_msg(data->nct6694, &cmd_hd, &data->irq_trig_falling);

WARNING: line length of 82 exceeds 80 columns
#428: FILE: drivers/gpio/gpio-nct6694.c:355:
+		nct6694_write_msg(data->nct6694, &cmd_hd, &data->irq_trig_rising);

WARNING: line length of 83 exceeds 80 columns
#498: FILE: drivers/gpio/gpio-nct6694.c:425:
+		return dev_err_probe(dev, ret, "Failed to get irq trigger type\n");

total: 0 errors, 5 warnings, 0 checks, 489 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 4d0e74e87127 ("gpio: Add Nuvoton NCT6694 GPIO support") 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, 5 warnings, 0 checks, 489 lines checked