pci_set_cacheline_size(9) ensure the CACHE_LINE_SIZE register is programmed

SYNOPSIS

int pci_set_cacheline_size(struct pci_dev * dev);

ARGUMENTS

dev

the PCI device for which MWI is to be enabled

DESCRIPTION

Helper function for pci_set_mwi. Originally copied from drivers/net/acenic.c. Copyright 1998-2001 by Jes Sorensen, <jestrained-monkey.org>.

RETURNS

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

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