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net: phy: properly report internal PHYs through sysfs

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Internal PHYs may not have a valid PHY interface defined, which will
show up in sysfs as "". Add an explicit check of internal PHYs to report
their interface correctly.

Fixes: 3d055d8d1c ("net: phy: expose PHY device interface mode")
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 2014-08-27 11:44:33 -07:00 • committed by David S. Miller
parent 879ece6ecb
commit 574746ddec
1 changed files with 7 additions and 1 deletions
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8
drivers/net/phy/mdio_bus.c
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@ -553,8 +553,14 @@ static ssize_t
phy_interface_show(struct device *dev, struct device_attribute *attr, char *buf) phy_interface_show(struct device *dev, struct device_attribute *attr, char *buf)
{ {
struct phy_device *phydev = to_phy_device(dev); struct phy_device *phydev = to_phy_device(dev);
const char *mode = NULL;
return sprintf(buf, "%s\n", phy_modes(phydev->interface)); if (phy_is_internal(phydev))
mode = "internal";
else
mode = phy_modes(phydev->interface);
return sprintf(buf, "%s\n", mode);
} }
static DEVICE_ATTR_RO(phy_interface); static DEVICE_ATTR_RO(phy_interface);