Re: [PATCH net-next v12 0/8] TXGBE PHYLINK support

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On Tue, Jun 06, 2023 at 05:20:59PM +0800, Jiawen Wu wrote:
> Implement I2C, SFP, GPIO and PHYLINK to setup TXGBE link.
> 
> Because our I2C and PCS are based on Synopsys Designware IP-core, extend
> the i2c-designware and pcs-xpcs driver to realize our functions.

I have browsed through the series and I didn't spot issues that stand out
for a guy that is not an expert in these regions. Consider my:

Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>

not a big fan of devm_ usage though.

> 
> v11 -> v12:
> - split I2C designware patch (2/9) to I2C tree, repost remaining 8
>   patches
> 
> v10 -> v11:
> - add gc->label NULL check
> - rebase on merging of wangxun patches
> 
> v9 -> v10:
> - clear I2C device model flags
> - change the order of header files
> - use xpcs_create_mdiodev()
> - fix Kconfig warning
> 
> v8 -> v9:
> - rename swnode property for specific I2C platform device
> - add ".fast_io = true" for I2C regmap
> - use raw_spinlock_t for GPIO reg lock and adjust its position
> - remove redundant txgbe->mdiodev
> - keep reverse x-mass tree order
> - other minor style changes
> 
> v7 -> v8:
> - use macro defined I2C FIFO depth instead of magic number
> - fix return code of clock create failure
> - add spinlock for writing GPIO registers
> - implement triggering GPIO interrupts for both-edge type
> - remove the condition that enables interrupts
> - add mii bus check for PCS device
> - other minor style changes
> 
> v6 -> v7:
> - change swnode property of I2C platform to be boolean
> - use device_property_present() to match I2C device data
> 
> v5 -> v6:
> - fix to set error code if pointer of txgbe is NULL
> - change "if" to "switch" for *_i2c_dw_xfer_quirk()
> - rename property for I2C device flag
> - use regmap to access I2C mem region
> - use DEFINE_RES_IRQ()
> - use phylink_mii_c45_pcs_get_state() for DW_XPCS_10GBASER
> 
> v4 -> v5:
> - add clock register
> - delete i2c-dw.h with platform data
> - introduce property "i2c-dw-flags" to match device flags
> - get resource from platform info to do ioremap
> - rename quirk functions in i2c-designware-*.c
> - fix calling txgbe_phylink_init()
> 
> v3 -> v4:
> - modify I2C transfer to be generic implementation
> - avoid to read DW_IC_COMP_PARAM_1
> - remove redundant "if" statement
> - add specific labels to handle error in txgbe_init_phy(), and remove
>   "if" conditions in txgbe_remove_phy()
> 
> v2 -> v3:
> - delete own I2C bus master driver, support it in i2c-designware
> - delete own PCS functions, remove pma configuration and 1000BASE-X mode
> - add basic function for 10GBASE-R interface in pcs-xpcs
> - add helper to get txgbe pointer from netdev
> 
> v1 -> v2:
> - add comments to indicate GPIO lines
> - add I2C write operation support
> - modify GPIO direction functions
> - rename functions related to PHY interface
> - add condition on interface changing to re-config PCS
> - add to set advertise and fix to get status for 1000BASE-X mode
> - other redundant codes remove
> 
> Jiawen Wu (8):
>   net: txgbe: Add software nodes to support phylink
>   net: txgbe: Register fixed rate clock
>   net: txgbe: Register I2C platform device
>   net: txgbe: Add SFP module identify
>   net: txgbe: Support GPIO to SFP socket
>   net: pcs: Add 10GBASE-R mode for Synopsys Designware XPCS
>   net: txgbe: Implement phylink pcs
>   net: txgbe: Support phylink MAC layer
> 
>  drivers/net/ethernet/wangxun/Kconfig          |  10 +
>  drivers/net/ethernet/wangxun/libwx/wx_lib.c   |   3 +-
>  drivers/net/ethernet/wangxun/libwx/wx_type.h  |   4 +
>  drivers/net/ethernet/wangxun/txgbe/Makefile   |   1 +
>  .../ethernet/wangxun/txgbe/txgbe_ethtool.c    |  28 +
>  .../net/ethernet/wangxun/txgbe/txgbe_main.c   |  65 +-
>  .../net/ethernet/wangxun/txgbe/txgbe_phy.c    | 673 ++++++++++++++++++
>  .../net/ethernet/wangxun/txgbe/txgbe_phy.h    |  10 +
>  .../net/ethernet/wangxun/txgbe/txgbe_type.h   |  89 +++
>  drivers/net/pcs/pcs-xpcs.c                    |  30 +
>  include/linux/pcs/pcs-xpcs.h                  |   1 +
>  11 files changed, 881 insertions(+), 33 deletions(-)
>  create mode 100644 drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
>  create mode 100644 drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
> 
> -- 
> 2.27.0
> 
> 



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