From: David Miller <davem@davemloft.net>
To: h.feurstein@gmail.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
andrew@lunn.ch, richardcochran@gmail.com, mlichvar@redhat.com,
vivien.didelot@gmail.com, f.fainelli@gmail.com,
hkallweit1@gmail.com, olteanv@gmail.com, fugang.duan@nxp.com
Subject: Re: [PATCH net-next v3 0/4] Improve phc2sys precision for mv88e6xxx switch in combination with imx6-fec
Date: Wed, 21 Aug 2019 20:49:48 -0700 (PDT) [thread overview]
Message-ID: <20190821.204948.907885435812375741.davem@davemloft.net> (raw)
In-Reply-To: <20190820084833.6019-1-hubert.feurstein@vahle.at>
From: Hubert Feurstein <h.feurstein@gmail.com>
Date: Tue, 20 Aug 2019 10:48:29 +0200
> From: Hubert Feurstein <h.feurstein@gmail.com>
>
> Changelog:
> v3: mv88e6xxx_smi_indirect_write: forward ptp_sts only on the last write
> Copied Miroslav Lichvar because of PTP offset compensation patch
> v2: Added patch for PTP offset compensation
> Removed mdiobus_write_sts as there was no user
> Removed ptp_sts_supported-boolean and introduced flags instead
>
> With this patchset the phc2sys synchronisation precision improved to +/-555ns on
> an IMX6DL with an MV88E6220 switch attached.
>
> This patchset takes into account the comments from the following discussions:
> - https://lkml.org/lkml/2019/8/2/1364
> - https://lkml.org/lkml/2019/8/5/169
>
> Patch 01 adds the required infrastructure in the MDIO layer.
> Patch 02 adds additional PTP offset compensation.
> Patch 03 adds support for the PTP_SYS_OFFSET_EXTENDED ioctl in the mv88e6xxx driver.
> Patch 04 adds support for the PTP system timestamping in the imx-fec driver.
It looks like there is still some active discussion about these changes and
there will likely be another spin.
prev parent reply other threads:[~2019-08-22 3:49 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-20 8:48 [PATCH net-next v3 0/4] Improve phc2sys precision for mv88e6xxx switch in combination with imx6-fec Hubert Feurstein
2019-08-20 8:48 ` [PATCH net-next v3 1/4] net: mdio: add support for passing a PTP system timestamp to the mii_bus driver Hubert Feurstein
2019-08-20 8:48 ` [PATCH net-next v3 2/4] net: mdio: add PTP offset compensation to mdiobus_write_sts Hubert Feurstein
2019-08-20 9:49 ` Miroslav Lichvar
2019-08-20 12:29 ` Hubert Feurstein
2019-08-20 14:25 ` Miroslav Lichvar
2019-08-20 15:23 ` Andrew Lunn
2019-08-20 15:40 ` Miroslav Lichvar
2019-08-20 16:56 ` Hubert Feurstein
2019-08-21 8:07 ` Miroslav Lichvar
2019-08-21 9:53 ` Hubert Feurstein
2019-08-21 10:19 ` Vladimir Oltean
2019-08-21 10:19 ` Miroslav Lichvar
2019-08-20 13:26 ` Andrew Lunn
2019-08-20 8:48 ` [PATCH net-next v3 3/4] net: dsa: mv88e6xxx: extend PTP gettime function to read system clock Hubert Feurstein
2019-08-20 8:48 ` [PATCH net-next v3 4/4] net: fec: add support for PTP system timestamping for MDIO devices Hubert Feurstein
2019-08-21 10:28 ` Vladimir Oltean
2019-08-22 3:49 ` David Miller [this message]
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