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PCI: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK 

PCI_MSIX_FLAGS_BIRMASK is mis-named because the BIR mask is in the
Table Offset register, not the flags ("Message Control" per spec)
register.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2013-04-17 18:10:07 -06:00
parent 78b5a310ce
commit 4d18760c67
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/msi.c
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@ -605,8 +605,8 @@ static void __iomem *msix_map_region(struct pci_dev *dev, unsigned nr_entries)
pci_read_config_dword(dev, dev->msix_cap + PCI_MSIX_TABLE,
&table_offset);
bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
table_offset &= ~PCI_MSIX_FLAGS_BIRMASK;
bir = (u8)(table_offset & PCI_MSIX_TABLE_BIR);
table_offset &= PCI_MSIX_TABLE_OFFSET;
phys_addr = pci_resource_start(dev, bir) + table_offset;
return ioremap_nocache(phys_addr, nr_entries * PCI_MSIX_ENTRY_SIZE);