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From: David.Laight@ACULAB.COM (David Laight)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH v2 0/7] stmmac: dwmac-meson8b: configurable RGMII TX delay
Date: Fri, 25 Nov 2016 13:41:02 +0000	[thread overview]
Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB0228643@AcuExch.aculab.com> (raw)
In-Reply-To: <20161125130156.17879-1-martin.blumenstingl@googlemail.com>

From: Martin Blumenstingl
> Sent: 25 November 2016 13:02
> Currently the dwmac-meson8b stmmac glue driver uses a hardcoded 1/4
> cycle TX clock delay. This seems to work fine for many boards (for
> example Odroid-C2 or Amlogic's reference boards) but there are some
> others where TX traffic is simply broken.
> There are probably multiple reasons why it's working on some boards
> while it's broken on others:
> - some of Amlogic's reference boards are using a Micrel PHY
> - hardware circuit design
> - maybe more...
...

Interesting thought.
Can you test phy loopback with different delays?
It might be then possible to default to 'auto'.

	David

  parent reply	other threads:[~2016-11-25 13:41 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-24 14:34 [net-next PATCH v1 0/2] " Martin Blumenstingl
2016-11-24 14:34 ` [net-next PATCH v1 1/2] net: dt-bindings: add RGMII TX delay configuration to meson8b-dwmac Martin Blumenstingl
2016-11-24 15:48   ` Andrew Lunn
2016-11-24 16:52     ` Martin Blumenstingl
2016-11-24 14:34 ` [net-next PATCH v1 2/2] net: stmmac: dwmac-meson8b: make the RGMII TX delay configurable Martin Blumenstingl
2016-11-24 15:56 ` [net-next PATCH v1 0/2] stmmac: dwmac-meson8b: configurable RGMII TX delay Jerome Brunet
2016-11-24 17:05   ` Martin Blumenstingl
2016-11-24 18:55     ` Florian Fainelli
2016-11-25  0:41       ` Martin Blumenstingl
2016-11-25 11:13       ` Sebastian Frias
2016-11-25 12:01         ` Måns Rullgård
2016-11-25 17:44         ` Florian Fainelli
2016-11-28 10:34           ` Sebastian Frias
2016-11-25  9:53     ` Jerome Brunet
2016-11-24 16:08 ` Jerome Brunet
2016-11-25  8:59   ` Giuseppe CAVALLARO
2016-11-25 13:01 ` [PATCH v2 0/7] " Martin Blumenstingl
2016-11-25 13:01   ` [PATCH v2 1/7] net: dt-bindings: add RGMII TX delay configuration to meson8b-dwmac Martin Blumenstingl
2016-11-30 21:44     ` Rob Herring
2016-11-30 22:33       ` Martin Blumenstingl
2016-11-25 13:01   ` [PATCH v2 2/7] net: stmmac: dwmac-meson8b: make the RGMII TX delay configurable Martin Blumenstingl
2016-11-25 13:01   ` [PATCH v2 3/7] ARM64: dts: meson-gx: move the MDIO node to meson-gx Martin Blumenstingl
2016-11-25 13:01   ` [PATCH v2 4/7] ARM64: dts: meson-gxbb-odroidc2: add reset for the ethernet PHY Martin Blumenstingl
2016-11-25 13:01   ` [PATCH v2 5/7] ARM64: dts: meson-gxbb-p20x: " Martin Blumenstingl
2016-11-25 13:01   ` [PATCH v2 6/7] ARM64: dts: meson-gxbb-vega-s95: " Martin Blumenstingl
2016-11-25 13:01   ` [PATCH v2 7/7] ARM64: dts: amlogic: add the ethernet TX delay configuration Martin Blumenstingl
2016-11-25 13:41   ` David Laight [this message]
2016-11-28  1:33   ` [PATCH v2 0/7] stmmac: dwmac-meson8b: configurable RGMII TX delay David Miller
2016-12-02 23:52     ` Martin Blumenstingl
2016-11-28 13:25   ` Neil Armstrong
2016-12-02 23:32   ` [PATCH net-next v3 0/2] " Martin Blumenstingl
2016-12-02 23:32     ` [PATCH net-next v3 1/2] net: dt-bindings: add RGMII TX delay configuration to meson8b-dwmac Martin Blumenstingl
2016-12-09 21:31       ` Rob Herring
2016-12-02 23:32     ` [PATCH net-next v3 2/2] net: stmmac: dwmac-meson8b: make the RGMII TX delay configurable Martin Blumenstingl
2016-12-17 18:21     ` [PATCH net-next v4 0/2] stmmac: dwmac-meson8b: configurable RGMII TX delay Martin Blumenstingl
2016-12-17 18:21       ` [PATCH net-next v4 1/2] net: dt-bindings: add RGMII TX delay configuration to meson8b-dwmac Martin Blumenstingl
2016-12-17 18:21       ` [PATCH net-next v4 2/2] net: stmmac: dwmac-meson8b: make the RGMII TX delay configurable Martin Blumenstingl
2016-12-18 15:49         ` David Miller
2016-12-18 16:13           ` Martin Blumenstingl
2017-01-09 17:37             ` Martin Blumenstingl
2017-01-20 13:47             ` Martin Blumenstingl
2017-01-22 22:02       ` [PATCH net-next v5 0/2] stmmac: dwmac-meson8b: configurable RGMII TX delay Martin Blumenstingl
2017-01-22 22:02         ` [PATCH net-next v5 1/2] net: dt-bindings: add RGMII TX delay configuration to meson8b-dwmac Martin Blumenstingl
2017-01-22 22:02         ` [PATCH net-next v5 2/2] net: stmmac: dwmac-meson8b: make the RGMII TX delay configurable Martin Blumenstingl
2017-01-24 18:36         ` [PATCH net-next v5 0/2] stmmac: dwmac-meson8b: configurable RGMII TX delay David Miller

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