linux-kernel - Re: [PATCH net-next 1/3] net: mdio: add support for passing a PTP system timestamp to the mii

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Message-ID: <20190817033059.GA1336@localhost>
Date:   Fri, 16 Aug 2019 20:30:59 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Hubert Feurstein <h.feurstein@...il.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH net-next 1/3] net: mdio: add support for passing a PTP
 system timestamp to the mii_bus driver

On Fri, Aug 16, 2019 at 06:31:55PM +0200, Hubert Feurstein wrote:
>  
>  int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum);
>  int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val);
> +int __mdiobus_write_sts(struct mii_bus *bus, int addr, u32 regnum, u16 val,
> +			struct ptp_system_timestamp *sts);
>  
>  int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum);
>  int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum);
>  int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val);
>  int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val);
> +int mdiobus_write_sts(struct mii_bus *bus, int addr, u32 regnum, u16 val,
> +		      struct ptp_system_timestamp *sts);
> +int mdiobus_write_sts_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val,
> +			     struct ptp_system_timestamp *sts);

Following the pattern, you have made three new global
mdiobus_write_sts() functions.  However, your patch set only uses
mdiobus_write_sts_nested().

Please don't add global functions with no users.  Let the first user
add them, if and when the need arises.

Thanks,
Richard