pci_try_set_mwi(9) enables memory-write-invalidate PCI transaction

SYNOPSIS

int pci_try_set_mwi(struct pci_dev * dev);

ARGUMENTS

dev

the PCI device for which MWI is enabled

DESCRIPTION

Enables the Memory-Write-Invalidate transaction in PCI_COMMAND. Callers are not required to check the return value.

RETURNS

An appropriate -ERRNO error value on error, or zero for success.

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