linux-kernel - Re: [PATCH v2 net-next 2/9] net: phy: Add support for LAN937x T1 phy driver

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Message-ID: <33503dd6d95bd1232fba24b38f66301916e62003.camel@microchip.com>
Date:   Mon, 26 Apr 2021 09:36:50 +0530
From:   Prasanna Vengateshan <prasanna.vengateshan@...rochip.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     <netdev@...r.kernel.org>, <olteanv@...il.com>,
        <robh+dt@...nel.org>, <UNGLinuxDriver@...rochip.com>,
        <hkallweit1@...il.com>, <linux@...linux.org.uk>,
        <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-kernel@...r.kernel.org>, <vivien.didelot@...il.com>,
        <f.fainelli@...il.com>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 net-next 2/9] net: phy: Add support for LAN937x T1
 phy driver

On Thu, 2021-04-22 at 14:45 +0200, Andrew Lunn wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the
> content is safe
> 
> > +#define PORT_T1_PHY_RESET    BIT(15)
> > +#define PORT_T1_PHY_LOOPBACK BIT(14)
> > +#define PORT_T1_SPEED_100MBIT        BIT(13)
> > +#define PORT_T1_POWER_DOWN   BIT(11)
> > +#define PORT_T1_ISOLATE      BIT(10)
> > +#define PORT_T1_FULL_DUPLEX  BIT(8)
> 
> These appear to be standard BMCR_ values. Please don't define your
> own.
> 
> > +
> > +#define REG_PORT_T1_PHY_BASIC_STATUS 0x01
> > +
> > +#define PORT_T1_MII_SUPPRESS_CAPABLE BIT(6)
> > +#define PORT_T1_LINK_STATUS          BIT(2)
> > +#define PORT_T1_EXTENDED_CAPABILITY  BIT(0)
> > +
> > +#define REG_PORT_T1_PHY_ID_HI 0x02
> > +#define REG_PORT_T1_PHY_ID_LO 0x03
> 
> MII_PHYSID1 and MII_PHYSID2
> 
> Please go through all these #defines and replace them with the
> standard ones Linux provides. You are obfusticating the code by not
> using what people already know.
Sure, i will review it for all the definitions.

> 
>       Andrew