x86/mm/pat: Don't report PAT on CPUs that don't support it
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-bus-mdio
blob491baaf4285f64d7a4e822359a43ad8c5f9d6c54
1 What:           /sys/bus/mdio_bus/devices/.../phy_id
2 Date:           November 2012
3 KernelVersion:  3.8
4 Contact:        netdev@vger.kernel.org
5 Description:
6                 This attribute contains the 32-bit PHY Identifier as reported
7                 by the device during bus enumeration, encoded in hexadecimal.
8                 This ID is used to match the device with the appropriate
9                 driver.
11 What:           /sys/bus/mdio_bus/devices/.../phy_interface
12 Date:           February 2014
13 KernelVersion:  3.15
14 Contact:        netdev@vger.kernel.org
15 Description:
16                 This attribute contains the PHY interface as configured by the
17                 Ethernet driver during bus enumeration, encoded in string.
18                 This interface mode is used to configure the Ethernet MAC with the
19                 appropriate mode for its data lines to the PHY hardware.
21 What:           /sys/bus/mdio_bus/devices/.../phy_has_fixups
22 Date:           February 2014
23 KernelVersion:  3.15
24 Contact:        netdev@vger.kernel.org
25 Description:
26                 This attribute contains the boolean value whether a given PHY
27                 device has had any "fixup" workaround running on it, encoded as
28                 a boolean. This information is provided to help troubleshooting
29                 PHY configurations.