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Subject[PATCH v8 0/3] net: ethernet: mtk_eth_soc: refactoring and Clause 45
As it turned out some clean-up would be needed, first address return
value and type of mdio read and write functions in mtk_eth_soc and
generally clean up and unify both functions.
Also refactor IAC register definitions to use bitfield helper macros
to get rid of constants previously used as mask or shift values.
Then add support to access Clause 45 phy registers, using the newly
introcuced helper macros suggested by Russell King to access the
Clause 45 device and register address encoded in the 32-bit parameter.

This series is tested on MediaTek MT7622AV based Bananapi BPi-R64 board
having MediaTek MT7531BE DSA gigE switch using Clause 22 MDIO and
MediaTek MT7622BV based Ubiquiti UniFi 6 LR access point having
Aquantia AQR112C PHY using Clause 45 MDIO.

v8: add patch from Russel King, switch to bitfield helper macros
v7: remove unneeded variables and order OR-ed call parameters
v6: further clean up functions and more cleanly separate patches
v5: fix wrong variable name in first patch covered by follow-up patch
v4: clean-up return values and types, split into two commits
v3: return -1 instead of 0xffff on error in _mtk_mdio_write
v2: use MII_DEVADDR_C45_SHIFT and MII_REGADDR_C45_MASK to extract
device id and register address. Unify read and write functions to
have identical types and parameter names where possible as we are
anyway already replacing both function bodies.

Daniel Golle (2):
net: ethernet: mtk_eth_soc: fix return value and refactor MDIO ops
net: ethernet: mtk_eth_soc: implement Clause 45 MDIO access

Russell King (Oracle) (1):
net: mdio: add helpers to extract clause 45 regad and devad fields

drivers/net/ethernet/mediatek/mtk_eth_soc.c | 73 ++++++++++++++-------
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 19 ++++--
include/linux/mdio.h | 12 ++++
3 files changed, 77 insertions(+), 27 deletions(-)


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