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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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 Reviewed-by: Florian Fainelli -- Florian