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net: phy: expose PHY device interface mode

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Expose the PHY device interface mode through sysfs since this is an
useful piece of information for knowing how the attached networking
device will have configured its transmit/receive path.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2014-02-11 17:27:40 -08:00
committed by David S. Miller
parent 8a2fe56e88
commit 3d055d8d1c
2 changed files with 20 additions and 0 deletions
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10
drivers/net/phy/mdio_bus.c
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@@ -432,8 +432,18 @@ phy_id_show(struct device *dev, struct device_attribute *attr, char *buf)
}
static DEVICE_ATTR_RO(phy_id);
static ssize_t
phy_interface_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct phy_device *phydev = to_phy_device(dev);
return sprintf(buf, "%s\n", phy_modes(phydev->interface));
}
static DEVICE_ATTR_RO(phy_interface);
static struct attribute *mdio_dev_attrs[] = {
&dev_attr_phy_id.attr,
&dev_attr_phy_interface.attr,
NULL,
};
ATTRIBUTE_GROUPS(mdio_dev);