WARNING: please write a help paragraph that fully describes the config symbol
#43: FILE: drivers/mfd/Kconfig:56:
+config MFD_AIROHA_AN8855
+	tristate "Airoha AN8855 Switch MFD"
+	select MFD_CORE
+	select MDIO_DEVICE
+	depends on NETDEVICES && OF
+	help
+	  Support for the Airoha AN8855 Switch MFD. This is a SoC Switch
+	  that provides various peripherals. Currently it provides a
+	  DSA switch and a NVMEM provider.
+

WARNING: line length of 84 exceeds 80 columns
#329: FILE: drivers/mfd/airoha-an8855.c:256:
+	return devm_mfd_add_devices(priv->dev, PLATFORM_DEVID_AUTO, an8855_mfd_devs,

CHECK: Please use a blank line after function/struct/union/enum declarations
#347: FILE: drivers/mfd/airoha-an8855.c:274:
+};
+mdio_module_driver(an8855_mfd_driver);

total: 0 errors, 2 warnings, 1 checks, 349 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 34dbafa559d9 ("mfd: an8855: Add support for Airoha AN8855 Switch MFD") 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, 1 checks, 349 lines checked