1. NAME▲
phy_read_mmd_indirect - reads data from the MMD registers
2. SYNOPSIS ▲
int phy_read_mmd_indirect(struct mii_bus * bus , int prtad , int devad , int addr );
3. ARGUMENTS ▲
bus
the target MII bus
prtad
MMD Address
devad
MMD DEVAD
addr
PHY address on the MII bus
4. DESCRIPTION ▲
it reads data from the MMD registers (clause 22 to access to clause 45) of the specified phy address.
5. TO READ THESE REGISTER WE HAVE ▲
1) Write reg 13 // DEVAD 2) Write reg 14 // MMD Address 3) Write reg 13 // MMD Data Command for MMD DEVAD 3) Read reg 14 // Read MMD data
6. COPYRIGHT ▲