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Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/msi.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 4a10b5624f72..d2812013fd22 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -378,23 +378,21 @@ static int msi_capability_init(struct pci_dev *dev)
378 entry->msi_attrib.masked = 1; 378 entry->msi_attrib.masked = 1;
379 entry->msi_attrib.default_irq = dev->irq; /* Save IOAPIC IRQ */ 379 entry->msi_attrib.default_irq = dev->irq; /* Save IOAPIC IRQ */
380 entry->msi_attrib.pos = pos; 380 entry->msi_attrib.pos = pos;
381 if (is_mask_bit_support(control)) { 381 if (entry->msi_attrib.maskbit) {
382 entry->mask_base = (void __iomem *)(long)msi_mask_bits_reg(pos, 382 entry->mask_base = (void __iomem *)(long)msi_mask_bits_reg(pos,
383 is_64bit_address(control)); 383 entry->msi_attrib.is_64);
384 } 384 }
385 entry->dev = dev; 385 entry->dev = dev;
386 if (entry->msi_attrib.maskbit) { 386 if (entry->msi_attrib.maskbit) {
387 unsigned int maskbits, temp; 387 unsigned int maskbits, temp;
388 /* All MSIs are unmasked by default, Mask them all */ 388 /* All MSIs are unmasked by default, Mask them all */
389 pci_read_config_dword(dev, 389 pci_read_config_dword(dev,
390 msi_mask_bits_reg(pos, is_64bit_address(control)), 390 msi_mask_bits_reg(pos, entry->msi_attrib.is_64),
391 &maskbits); 391 &maskbits);
392 temp = (1 << multi_msi_capable(control)); 392 temp = (1 << multi_msi_capable(control));
393 temp = ((temp - 1) & ~temp); 393 temp = ((temp - 1) & ~temp);
394 maskbits |= temp; 394 maskbits |= temp;
395 pci_write_config_dword(dev, 395 pci_write_config_dword(dev, entry->msi_attrib.is_64, maskbits);
396 msi_mask_bits_reg(pos, is_64bit_address(control)),
397 maskbits);
398 entry->msi_attrib.maskbits_mask = temp; 396 entry->msi_attrib.maskbits_mask = temp;
399 } 397 }
400 list_add_tail(&entry->list, &dev->msi_list); 398 list_add_tail(&entry->list, &dev->msi_list);