pci_try_set_mwi (9) Linux Manual Page
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.
Return
An appropriate -ERRNO error value on error, or zero for success.