56277f40d7
This adds a phy_id sysfs attribute to MDIO devices, containing the 32-bit PHY identifier reported by the device. This attribute can be useful when debugging problems related to phy drivers. Other enumerable buses already have similar attributes. Signed-off-by: Nick Bowler <nbowler@elliptictech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
9 lines
326 B
Text
9 lines
326 B
Text
What: /sys/bus/mdio_bus/devices/.../phy_id
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Date: November 2012
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KernelVersion: 3.8
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Contact: netdev@vger.kernel.org
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Description:
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This attribute contains the 32-bit PHY Identifier as reported
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by the device during bus enumeration, encoded in hexadecimal.
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This ID is used to match the device with the appropriate
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driver.
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