netdev - Re: [PATCH net-next 4/5] net: phy: add Lynx PCS MDIO module

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Message-ID: <VI1PR04MB56966EAF1429D1D61E57F90AE09B0@VI1PR04MB5696.eurprd04.prod.outlook.com>
Date:   Thu, 18 Jun 2020 22:25:52 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Andrew Lunn <andrew@...n.ch>, Ioana Ciornei <ioana.ciornei@....com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandru Marginean <alexandru.marginean@....com>,
        "michael@...le.cc" <michael@...le.cc>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>
Subject: Re: [PATCH net-next 4/5] net: phy: add Lynx PCS MDIO module

Hi Andrew,

On 6/19/20 1:13 AM, Andrew Lunn wrote:
> 
>>   MAINTAINERS                     |   7 +
>>   drivers/net/phy/Kconfig         |   6 +
>>   drivers/net/phy/Makefile        |   1 +
>>   drivers/net/phy/mdio-lynx-pcs.c | 358 ++++++++++++++++++++++++++++++++
>>   include/linux/mdio-lynx-pcs.h   |  43 ++++
>>   5 files changed, 415 insertions(+)
>>   create mode 100644 drivers/net/phy/mdio-lynx-pcs.c
>>   create mode 100644 include/linux/mdio-lynx-pcs.h
> 
> Hi Ioana
> 
> We should think about naming convention here.
> 
> All MDIO bus driver, MDIO multiplexors etc use mdio- as a prefix.
> 
> This is not a bus driver, so i don't think it should use the mdio-
> prefix. How about pcs-lynx.c?
> 
> In terms of Kconfig, MDIO_ prefix is used for MDIO bus drivers etc.  I
> don't think it is appropriate here. How about PCS_LYNX? I don't think
> any other subsystem is using PCS_ as a prefix.
> 
>> --- a/drivers/net/phy/Kconfig
>> +++ b/drivers/net/phy/Kconfig
>> @@ -235,6 +235,12 @@ config MDIO_XPCS
>>          This module provides helper functions for Synopsys DesignWare XPCS
>>          controllers.
>>
>> +config MDIO_LYNX_PCS
>> +     bool
>> +     help
>> +       This module provides helper functions for Lynx PCS enablement
>> +       representing the PCS as an MDIO device.
>> +
>>   endif
>>   endif
> 
> Maybe add this at the end, and add a
> 
> comment "PCS device drivers"
> 
> before it? I'm assuming with time we will have more of these drivers.
> 
>         Andrew
> 

This driver faithfully follows the model of drivers/net/phy/mdio-xpcs.c. 
Should we rename that as well?

Thanks,
-Vladimir