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phy: Add an mdio_device structure

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Not all devices attached to an MDIO bus are phys. So add an
mdio_device structure to represent the generic parts of an mdio
device, and place this structure into the phy_device.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2016-01-06 20:11:16 +01:00 • committed by David S. Miller
parent e7f4dc3536
commit e5a03bfd87
35 changed files with 165 additions and 151 deletions
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9
include/linux/mdio.h
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@ -13,6 +13,15 @@
struct mii_bus;
struct mdio_device {
struct device dev;
struct mii_bus *bus;
/* Bus address of the MDIO device (0-31) */
int addr;
};
#define to_mdio_device(d) container_of(d, struct mdio_device, dev)
static inline bool mdio_phy_id_is_c45(int phy_id)
{
return (phy_id & MDIO_PHY_ID_C45) && !(phy_id & ~MDIO_PHY_ID_C45_MASK);