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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 registersSYNOPSIS¶
int phy_read_mmd_indirect(struct phy_device * phydev, int prtad, int devad);
ARGUMENTS¶
phydevThe PHY device bus
prtad
MMD Address
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 dataCOPYRIGHT¶
April 2019 | Kernel Hackers Manual 4.9. |