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| 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 phy_device * phydev, int prtad, int devad);
ARGUMENTS¶
struct phy_device * phydev
The PHY device bus
int prtad
MMD Address
int devad
MMD DEVAD
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¶
| July 2017 | Kernel Hackers Manual 4.11 |