rio_setup_device
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## Name

rio_setup_device — Allocates and sets up a RIO device

## Synopsis

`struct rio_dev * rio_setup_device (` | struct rio_net * net,
| struct rio_mport * port,
| u16 destid,
| u8 hopcount,
| int do_enum`)`;

## Arguments

`net`

  RIO network

`port`

  Master port to send transactions

`destid`

  Current destination ID

`hopcount`

  Current hopcount

`do_enum`

  Enumeration/Discovery mode flag

## Description

Allocates a RIO device and configures fields based on configuration space contents. If device has a destination ID register, a destination ID is either assigned in enumeration mode or read from configuration space in discovery mode. If the device has switch capabilities, then a switch is allocated and configured appropriately. Returns a pointer to a RIO device on success or NULL on failure.

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