On Fri, 11 Aug 2023 21:03:31 +0100 Vadim Fedorenko wrote:

 create mode 100644 Documentation/driver-api/dpll.rst
 create mode 100644 Documentation/netlink/specs/dpll.yaml
 create mode 100644 drivers/dpll/Kconfig
 create mode 100644 drivers/dpll/Makefile
 create mode 100644 drivers/dpll/dpll_core.c
 create mode 100644 drivers/dpll/dpll_core.h
 create mode 100644 drivers/dpll/dpll_netlink.c
 create mode 100644 drivers/dpll/dpll_netlink.h
 create mode 100644 drivers/dpll/dpll_nl.c
 create mode 100644 drivers/dpll/dpll_nl.h
 create mode 100644 drivers/net/ethernet/intel/ice/ice_dpll.c
 create mode 100644 drivers/net/ethernet/intel/ice/ice_dpll.h
 create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/dpll.c
 create mode 100644 include/linux/dpll.h
 create mode 100644 include/uapi/linux/dpll.h

Feels like we're lacking tests here. Is there a common subset of
stuff we can expect reasonable devices to support?
Anything you used in development that can be turned into tests?