pci_rescan_bus
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## Name

pci_rescan_bus — scan a PCI bus for devices.

## Synopsis

`unsigned int __ref pci_rescan_bus (` | struct pci_bus * bus`)`;

## Arguments

`bus`

  PCI bus to scan

## Description

Scan a PCI bus and child buses for new devices, adds them, and enables them.

Returns the max number of subordinate bus discovered.

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