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Date:   Fri, 11 Jun 2021 14:44:12 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Cc:     Wong Vee Khee <vee.khee.wong@...ux.intel.com>,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [PATCH v2 net-next 00/13] Port the SJA1105 DSA driver to XPCS

On Thu, Jun 10, 2021 at 09:13:57PM +0300, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> As requested when adding support for the NXP SJA1110, the SJA1105 driver
> could make use of the common XPCS driver, to eliminate some hardware
> specific code duplication.
> 
> This series modifies the XPCS driver so that it can accommodate the XPCS
> instantiation from NXP switches, and the SJA1105 driver so it can expose
> what the XPCS driver expects.
> 
> Tested on NXP SJA1105S and SJA1110A.
> 
> Changes in v2:
> - fix module build (pcs-xpcs-nxp.c is not a different module so this
>   means that we need to change the name of pcs-xpcs.ko to pcs_xpcs.ko).
> - delete sja1105_sgmii.h
> - just check for priv->pcs[port] instead of checking the PHY interface
>   mode each time.
> - add the 2500base-x check in one place where it was missing (before
>   mdio_device_create)
> - remove it from a few places where it is no longer necessary now that
>   we check more generically for the presence of priv->xpcs[port]
> 
> Vladimir Oltean (13):
>   net: pcs: xpcs: rename mdio_xpcs_args to dw_xpcs
>   net: stmmac: reverse Christmas tree notation in stmmac_xpcs_setup
>   net: stmmac: reduce indentation when calling stmmac_xpcs_setup
>   net: pcs: xpcs: move register bit descriptions to a header file
>   net: pcs: xpcs: add support for sgmii with no inband AN
>   net: pcs: xpcs: also ignore phy id if it's all ones
>   net: pcs: xpcs: add support for NXP SJA1105
>   net: pcs: xpcs: add support for NXP SJA1110
>   net: pcs: xpcs: export xpcs_do_config and xpcs_link_up
>   net: dsa: sja1105: migrate to xpcs for SGMII
>   net: dsa: sja1105: register the PCS MDIO bus for SJA1110
>   net: dsa: sja1105: SGMII and 2500base-x on the SJA1110 are 'special'
>   net: dsa: sja1105: plug in support for 2500base-x
> 
>  MAINTAINERS                                   |   2 +
>  drivers/net/dsa/sja1105/Kconfig               |   1 +
>  drivers/net/dsa/sja1105/sja1105.h             |   9 +
>  drivers/net/dsa/sja1105/sja1105_main.c        | 186 +++----------
>  drivers/net/dsa/sja1105/sja1105_mdio.c        | 255 +++++++++++++++++
>  drivers/net/dsa/sja1105/sja1105_sgmii.h       |  53 ----
>  drivers/net/dsa/sja1105/sja1105_spi.c         |  17 ++
>  drivers/net/ethernet/stmicro/stmmac/common.h  |   2 +-
>  .../net/ethernet/stmicro/stmmac/stmmac_main.c |  10 +-
>  .../net/ethernet/stmicro/stmmac/stmmac_mdio.c |   6 +-
>  drivers/net/pcs/Makefile                      |   4 +-
>  drivers/net/pcs/pcs-xpcs-nxp.c                | 185 ++++++++++++
>  drivers/net/pcs/pcs-xpcs.c                    | 263 +++++++++---------
>  drivers/net/pcs/pcs-xpcs.h                    | 115 ++++++++
>  include/linux/pcs/pcs-xpcs.h                  |  21 +-
>  15 files changed, 772 insertions(+), 357 deletions(-)
>  delete mode 100644 drivers/net/dsa/sja1105/sja1105_sgmii.h
>  create mode 100644 drivers/net/pcs/pcs-xpcs-nxp.c
>  create mode 100644 drivers/net/pcs/pcs-xpcs.h
> 
> -- 
> 2.25.1
> 

I see in patchwork this has "changes requested" but when I look through
the patches I see no feedback on them?
https://patchwork.kernel.org/project/netdevbpf/list/?series=498301&state=%2A&archive=both

The checkpatch warnings are along the lines of 'line length of 81/82
characters exceeds limit of 80', which I deliberately ignored, and 'you
didn't CC some random mailing list', which again was more or less
deliberate since I don't know if it would make any difference. Is that
the reason? There are no build failures with this version.

Thanks.

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