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authorHeiner Kallweit <hkallweit1@gmail.com>2019-03-21 21:08:35 +0100
committerDavid S. Miller <davem@davemloft.net>2019-03-22 10:26:21 -0400
commit110a2432c5203d62e5df31180aa0cbd21ea76f82 (patch)
tree16d9c8226f4bf5e444ac37ef6d2883a62b192980 /drivers/rtc/rtc-rx6110.c
parent1d965c4def07defeb2f3b0eb927e891c45f46748 (diff)
downloadlinux-110a2432c5203d62e5df31180aa0cbd21ea76f82.tar.gz
net: phy: aquantia: add downshift support
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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/rtc/rtc-rx6110.c')
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