pci_try_set_mwi
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## Name

pci_try_set_mwi — 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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