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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-26 19:13:36 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-26 19:13:36 +0100
commit4a4565921aa9255be01921ff8ae339fa7b0a5468 (patch)
tree61fc69b6e2a82947550d6c441b62986c816ad911 /drivers/pci/msi.c
parentMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/as... (diff)
parentPCI hotplug: fix lock imbalance in pciehp (diff)
downloadlinux-4a4565921aa9255be01921ff8ae339fa7b0a5468.tar.xz
linux-4a4565921aa9255be01921ff8ae339fa7b0a5468.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI hotplug: fix lock imbalance in pciehp PCI PM: Restore standard config registers of all devices early PCI/MSI: bugfix/utilize for msi_capability_init()
Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r--drivers/pci/msi.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index b4a90badd0a6..896a15d70f5b 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -398,21 +398,19 @@ static int msi_capability_init(struct pci_dev *dev)
entry->msi_attrib.masked = 1;
entry->msi_attrib.default_irq = dev->irq; /* Save IOAPIC IRQ */
entry->msi_attrib.pos = pos;
- if (entry->msi_attrib.maskbit) {
- entry->mask_base = (void __iomem *)(long)msi_mask_bits_reg(pos,
- entry->msi_attrib.is_64);
- }
entry->dev = dev;
if (entry->msi_attrib.maskbit) {
- unsigned int maskbits, temp;
+ unsigned int base, maskbits, temp;
+
+ base = msi_mask_bits_reg(pos, entry->msi_attrib.is_64);
+ entry->mask_base = (void __iomem *)(long)base;
+
/* All MSIs are unmasked by default, Mask them all */
- pci_read_config_dword(dev,
- msi_mask_bits_reg(pos, entry->msi_attrib.is_64),
- &maskbits);
+ pci_read_config_dword(dev, base, &maskbits);
temp = (1 << multi_msi_capable(control));
temp = ((temp - 1) & ~temp);
maskbits |= temp;
- pci_write_config_dword(dev, entry->msi_attrib.is_64, maskbits);
+ pci_write_config_dword(dev, base, maskbits);
entry->msi_attrib.maskbits_mask = temp;
}
list_add_tail(&entry->list, &dev->msi_list);