From: Richard Cochran <richardcochran@gmail.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: netdev@vger.kernel.org, David Miller <davem@davemloft.net>,
devicetree@vger.kernel.org,
Florian Fainelli <f.fainelli@gmail.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Jacob Keller <jacob.e.keller@intel.com>,
Mark Rutland <mark.rutland@arm.com>,
Miroslav Lichvar <mlichvar@redhat.com>,
Murali Karicheri <m-karicheri2@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Willem de Bruijn <willemb@google.com>,
Wingman Kwok <w-kwok2@ti.com>
Subject: Re: [PATCH V6 net-next 06/11] net: Introduce a new MII time stamping interface.
Date: Fri, 20 Dec 2019 10:01:22 -0800 [thread overview]
Message-ID: <20191220180122.GB3846@localhost> (raw)
In-Reply-To: <20191220153359.GA11117@lunn.ch>
On Fri, Dec 20, 2019 at 04:33:59PM +0100, Andrew Lunn wrote:
> The Marvell PHY datasheets indicate they support PTP. I've not looked
> at how they implement it, and if the current model will work.
IIRC, those parts time stamp on the MII bus input, and not in the PHY
itself, and so they offer no advantage over MAC time stamping. I
suspect that is why there has been so little interest.
Thanks,
Richard
next prev parent reply other threads:[~2019-12-20 18:01 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-16 16:13 [PATCH V6 net-next 00/11] Peer to Peer One-Step time stamping Richard Cochran
2019-12-16 16:13 ` [PATCH V6 net-next 01/11] net: phy: Introduce helper functions for time stamping support Richard Cochran
2019-12-17 9:01 ` Andrew Lunn
2019-12-16 16:13 ` [PATCH V6 net-next 02/11] net: macvlan: Use the PHY time stamping interface Richard Cochran
2019-12-17 8:59 ` Andrew Lunn
2019-12-16 16:13 ` [PATCH V6 net-next 03/11] net: vlan: " Richard Cochran
2019-12-17 9:01 ` Andrew Lunn
2019-12-16 16:13 ` [PATCH V6 net-next 04/11] net: ethtool: " Richard Cochran
2019-12-17 9:01 ` Andrew Lunn
2019-12-16 16:13 ` [PATCH V6 net-next 05/11] net: netcp_ethss: " Richard Cochran
2019-12-17 9:03 ` Andrew Lunn
2019-12-16 16:13 ` [PATCH V6 net-next 06/11] net: Introduce a new MII " Richard Cochran
2019-12-17 9:21 ` Andrew Lunn
2019-12-20 14:57 ` Richard Cochran
2019-12-20 15:33 ` Andrew Lunn
2019-12-20 18:01 ` Richard Cochran [this message]
2019-12-20 23:11 ` David Miller
2019-12-16 16:13 ` [PATCH V6 net-next 07/11] net: Add a layer for non-PHY MII time stamping drivers Richard Cochran
2019-12-16 16:13 ` [PATCH V6 net-next 08/11] dt-bindings: ptp: Introduce MII time stamping devices Richard Cochran
2019-12-17 15:17 ` Andrew Lunn
2019-12-18 20:03 ` Rob Herring
2019-12-19 4:13 ` Richard Cochran
2019-12-18 20:02 ` Rob Herring
2019-12-16 16:13 ` [PATCH V6 net-next 09/11] net: mdio: of: Register discovered MII time stampers Richard Cochran
2019-12-17 15:19 ` Andrew Lunn
2019-12-18 20:05 ` Rob Herring
2019-12-16 16:13 ` [PATCH V6 net-next 10/11] net: Introduce peer to peer one step PTP time stamping Richard Cochran
2019-12-16 16:13 ` [PATCH V6 net-next 11/11] ptp: Add a driver for InES time stamping IP core Richard Cochran
2019-12-17 0:11 ` Jakub Kicinski
2019-12-17 4:34 ` Richard Cochran
2019-12-17 17:18 ` Jakub Kicinski
2019-12-17 15:33 ` Andrew Lunn
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