Commit f84ecd285f40012f804173110c10f2caaa23b7ee

Authored by Bjorn Helgaas
1 parent f5322169b4

PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly

Note the error in pci_msix_table_size() -- we used PCI_MSI_FLAGS to
locate the PCI_MSIX_FLAGS word.  No actual breakage because PCI_MSI_FLAGS
and PCI_MSIX_FLAGS happen to be the same.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

Showing 2 changed files with 4 additions and 5 deletions Side-by-side Diff

... ... @@ -299,10 +299,10 @@
299 299 int pos = dev->msi_cap;
300 300 u16 msgctl;
301 301  
302   - pci_read_config_word(dev, msi_control_reg(pos), &msgctl);
  302 + pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &msgctl);
303 303 msgctl &= ~PCI_MSI_FLAGS_QSIZE;
304 304 msgctl |= entry->msi_attrib.multiple << 4;
305   - pci_write_config_word(dev, msi_control_reg(pos), msgctl);
  305 + pci_write_config_word(dev, pos + PCI_MSI_FLAGS, msgctl);
306 306  
307 307 pci_write_config_dword(dev, msi_lower_address_reg(pos),
308 308 msg->address_lo);
... ... @@ -548,7 +548,7 @@
548 548  
549 549 msi_set_enable(dev, 0); /* Disable MSI during set up */
550 550  
551   - pci_read_config_word(dev, msi_control_reg(dev->msi_cap), &control);
  551 + pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control);
552 552 /* MSI Entry Initialization */
553 553 entry = alloc_msi_entry(dev);
554 554 if (!entry)
... ... @@ -903,7 +903,7 @@
903 903 if (!dev->msix_cap)
904 904 return 0;
905 905  
906   - pci_read_config_word(dev, msi_control_reg(dev->msix_cap), &control);
  906 + pci_read_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, &control);
907 907 return multi_msix_capable(control);
908 908 }
909 909  
... ... @@ -6,7 +6,6 @@
6 6 #ifndef MSI_H
7 7 #define MSI_H
8 8  
9   -#define msi_control_reg(base) (base + PCI_MSI_FLAGS)
10 9 #define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO)
11 10 #define msi_upper_address_reg(base) (base + PCI_MSI_ADDRESS_HI)
12 11 #define msi_data_reg(base, is64bit) \