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net: phy: expose phydev->has_fixups to sysfs
Expose the PHY device has_fixups boolean as a sysfs property to help troubleshooting PHY configurations. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -17,3 +17,13 @@ Description:
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Ethernet driver during bus enumeration, encoded in string.
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This interface mode is used to configure the Ethernet MAC with the
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appropriate mode for its data lines to the PHY hardware.
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What: /sys/bus/mdio_bus/devices/.../phy_has_fixups
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Date: February 2014
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KernelVersion: 3.15
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Contact: netdev@vger.kernel.org
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Description:
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This attribute contains the boolean value whether a given PHY
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device has had any "fixup" workaround running on it, encoded as
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a boolean. This information is provided to help troubleshooting
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PHY configurations.
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@ -441,9 +441,19 @@ phy_interface_show(struct device *dev, struct device_attribute *attr, char *buf)
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}
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static DEVICE_ATTR_RO(phy_interface);
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static ssize_t
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phy_has_fixups_show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct phy_device *phydev = to_phy_device(dev);
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return sprintf(buf, "%d\n", phydev->has_fixups);
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}
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static DEVICE_ATTR_RO(phy_has_fixups);
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static struct attribute *mdio_dev_attrs[] = {
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&dev_attr_phy_id.attr,
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&dev_attr_phy_interface.attr,
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&dev_attr_phy_has_fixups.attr,
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NULL,
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};
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ATTRIBUTE_GROUPS(mdio_dev);
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