1PHY_READ_MMD_INDIREC(9)     Network device support     PHY_READ_MMD_INDIREC(9)
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NAME

6       phy_read_mmd_indirect - reads data from the MMD registers
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SYNOPSIS

9       int phy_read_mmd_indirect(struct mii_bus * bus, int prtad, int devad,
10                                 int addr);
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ARGUMENTS

13       bus
14           the target MII bus
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16       prtad
17           MMD Address
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19       devad
20           MMD DEVAD
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22       addr
23           PHY address on the MII bus
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DESCRIPTION

26       it reads data from the MMD registers (clause 22 to access to clause 45)
27       of the specified phy address.
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TO READ THESE REGISTER WE HAVE

30       1) Write reg 13 // DEVAD 2) Write reg 14 // MMD Address 3) Write reg 13
31       // MMD Data Command for MMD DEVAD 3) Read reg 14 // Read MMD data
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34Kernel Hackers Manual 3.10         June 2019           PHY_READ_MMD_INDIREC(9)
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