From: Carlo Caione <ccaione@baylibre.com>
To: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: mark.rutland@arm.com, andrew@lunn.ch, f.fainelli@gmail.com,
devicetree@vger.kernel.org, s.hauer@pengutronix.de,
robh+dt@kernel.org, abailon@baylibre.com, kernel@pengutronix.de,
fabio.estevam@nxp.com, hkallweit1@gmail.com, shawnguo@kernel.org,
aisheng.dong@nxp.com, linux-arm-kernel@lists.infradead.org,
linux-imx@nxp.com
Subject: Re: [PATCH 0/3] at803x: Add quirk to disable SmartEEE
Date: Fri, 25 Jan 2019 18:48:46 +0000 [thread overview]
Message-ID: <20190125184330.dm3kaoewvbwddacy@xps> (raw)
In-Reply-To: <20190125130612.npknjuzjmny4yohg@e5254000004ec.dyn.armlinux.org.uk>
On 25/01/19 13:06, Russell King - ARM Linux admin wrote:
>On Fri, Jan 25, 2019 at 12:55:10PM +0000, Carlo Caione wrote:
>> SmartEEE, compatible with IEEE802.3az standard, is designed to include
>> legacy MAC without EEE capability into the power saving system. SmartEEE
>> is enabled by default configuration on AR8031 after power-on or hardware
>> reset.
>>
>> Unfortunately this is proved causing issues for certain hw
>> configurations. We add a quirk to optionally disable SmartEEE.
>
>It may be a good idea to detail what "certain hw configurations" are
>and/or what the "issues" are, so it's easier to find this if/when
>others encounter the same issue.
This fix was upstreamed from the imx downstream kernel so I do not have
much informations on that but something is reported in the U-Boot fix
for the same problem at [0] so I'll add more info in the next revision.
Cheers,
[0] https://patchwork.ozlabs.org/patch/1015783/
--
Carlo Caione
next prev parent reply other threads:[~2019-01-25 18:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-25 12:55 [PATCH 0/3] at803x: Add quirk to disable SmartEEE Carlo Caione
2019-01-25 12:55 ` [PATCH 1/3] net: phy: at803x: Introduce " Carlo Caione
2019-01-25 12:55 ` [PATCH 2/3] dt-bindings: net: at803x: Document at803x, smarteee-disabled property Carlo Caione
2019-01-25 18:42 ` [PATCH 2/3] dt-bindings: net: at803x: Document at803x,smarteee-disabled property Florian Fainelli
2019-01-25 12:55 ` [PATCH 3/3] arm64: dts: imx8mq-evk: Disable SmartEEE Carlo Caione
2019-01-25 13:06 ` [PATCH 0/3] at803x: Add quirk to disable SmartEEE Russell King - ARM Linux admin
2019-01-25 18:15 ` Heiner Kallweit
2019-01-25 18:48 ` Carlo Caione [this message]
2019-01-25 19:07 ` Heiner Kallweit
2019-01-25 19:19 ` Russell King - ARM Linux admin
2019-01-25 19:27 ` Heiner Kallweit
2019-01-28 10:46 ` Carlo Caione
2019-01-28 15:57 ` Russell King - ARM Linux admin
2019-01-28 18:23 ` Heiner Kallweit
2019-01-28 19:04 ` Russell King - ARM Linux admin
2019-01-30 10:16 ` Carlo Caione
2019-01-30 10:47 ` Russell King - ARM Linux admin
2019-04-12 0:25 ` Vladimir Oltean
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