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authorAndrew Lunn <andrew@lunn.ch>2016-01-28 02:30:29 +0100
committerDavid S. Miller <davem@davemloft.net>2016-01-28 22:53:16 -0800
commitae461131960b27d4be158d62a89d40977388d7a1 (patch)
treee3a1824525a42cc2e907e42151985191f104c923 /Documentation
parenta77ce1bc12d6e0c03e9cc5683bb657ae2f2bb9b5 (diff)
downloadlinux-ae461131960b27d4be158d62a89d40977388d7a1.tar.bz2
of: of_mdio: Add a whitelist of PHY compatibilities.
Some phy nodes list a compatible value indicating the PHY make/model. This is never used to match the device to the driver. However it does confuse the code to separate a PHY from a generic MDIO device like a switch. Generic MDIO devices must have a compatible value, PHYs can list clause 22 or 45, but nothing else. Issue a warning if we find a compatible value known on the whitelist, and say it is a PHY. Fixes: a9049e0c513c ("mdio: Add support for mdio drivers.") Reported-by: Aaro Koskinen <aaro.koskinen@nokia.com> Reported-by: Olof Johansson <olof@lixom.net> Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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