PCI MSI: Define PCI_MSI_MASK_32/64
Impact: cleanup, improve readability Define PCI_MSI_MASK_32/64 for 32/64bit devices, instead of using implicit offset (-4), "PCI_MSI_MASK_BIT - 4" and "PCI_MSI_MASK_BIT". Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Reviewed-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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