pci_enable_ltr
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## Name

pci_enable_ltr — enable latency tolerance reporting

## Synopsis

`int pci_enable_ltr (` | struct pci_dev * dev`)`;

## Arguments

`dev`

  PCI device

## Description

Enable LTR on `dev` if possible, which means enabling it first on upstream ports.

## RETURNS

Zero on success, errno on failure.

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