net/phy: micrel: Comment MMD address of extended registers

There are some defines for a few pad skew related extended registers.
Specify for which MMD Address (dev_addr) they are for.

Signed-off-by: Jaeden Amero <jaeden.amero@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 59cc5d4..f23765e 100644 (file)
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -366,6 +366,7 @@ static int ksz9021_config_init(struct phy_device *phydev)
 #define KSZ9031_PS_TO_REG              60
 
 /* Extended registers */
+/* MMD Address 0x2 */
 #define MII_KSZ9031RN_CONTROL_PAD_SKEW 4
 #define MII_KSZ9031RN_RX_DATA_PAD_SKEW 5
 #define MII_KSZ9031RN_TX_DATA_PAD_SKEW 6