Reference

pci_enable_ltr(9)

enable latency tolerance reporting

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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