From: Florian Fainelli <f.fainelli@gmail.com>
To: Heiner Kallweit <hkallweit1@gmail.com>,
Andrew Lunn <andrew@lunn.ch>, David Miller <davem@davemloft.net>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH v2 net-next] net: phy: aquantia: add downshift support
Date: Thu, 21 Mar 2019 14:48:58 -0700 [thread overview]
Message-ID: <c05700be-afbe-d3d2-a261-8f35c9b0abc5@gmail.com> (raw)
In-Reply-To: <acbee961-5812-59d4-dce0-a0415a9fdfa8@gmail.com>
On 3/21/19 1:08 PM, Heiner Kallweit wrote:
> Aquantia PHY's of the AQR107 family support the downshift feature.
> Add support for it as standard PHY tunable so that it can be controlled
> via ethtool.
> The AQCS109 supports a proprietary 2-pair 1Gbps mode. If two such PHY's
> are connected to each other with a 2-pair cable, they may not be able
> to establish a link if both advertise modes > 1Gbps.
>
> v2:
> - add downshift event detection
> - warn if downshift occurred
> - read downshifted rate from vendor register
> - enable downshift per default on all AQR107 family members
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
next prev parent reply other threads:[~2019-03-21 21:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-21 20:08 [PATCH v2 net-next] net: phy: aquantia: add downshift support Heiner Kallweit
2019-03-21 21:48 ` Florian Fainelli [this message]
2019-03-22 14:26 ` David Miller
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