table of contents
| PHY_READ_MMD_INDIREC(9) | Network device support | PHY_READ_MMD_INDIREC(9) |
NAME¶
phy_read_mmd_indirect - reads data from the MMD registers
SYNOPSIS¶
int phy_read_mmd_indirect(struct mii_bus * bus, int prtad, int devad, int addr);
ARGUMENTS¶
bus
the target MII bus
prtad
MMD Address
devad
MMD DEVAD
addr
PHY address on the MII bus
DESCRIPTION¶
it reads data from the MMD registers (clause 22 to access to clause 45) of the specified phy address.
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
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |