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authorBjorn Helgaas <bhelgaas@google.com>2013-04-17 17:38:32 -0600
committerBjorn Helgaas <bhelgaas@google.com>2013-04-23 09:50:30 -0600
commitf84ecd285f40012f804173110c10f2caaa23b7ee (patch)
treed2963ab508de23e966b935512770bcc4e7af4844 /drivers/pci
parentf5322169b4bc931c760c6a14484582a95c39edde (diff)
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/msi.c8
-rw-r--r--drivers/pci/msi.h1
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 631249ea394c..b1a60e0a1ee3 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -299,10 +299,10 @@ void __write_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
int pos = dev->msi_cap;
u16 msgctl;
- pci_read_config_word(dev, msi_control_reg(pos), &msgctl);
+ pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &msgctl);
msgctl &= ~PCI_MSI_FLAGS_QSIZE;
msgctl |= entry->msi_attrib.multiple << 4;
- pci_write_config_word(dev, msi_control_reg(pos), msgctl);
+ pci_write_config_word(dev, pos + PCI_MSI_FLAGS, msgctl);
pci_write_config_dword(dev, msi_lower_address_reg(pos),
msg->address_lo);
@@ -548,7 +548,7 @@ static int msi_capability_init(struct pci_dev *dev, int nvec)
msi_set_enable(dev, 0); /* Disable MSI during set up */
- pci_read_config_word(dev, msi_control_reg(dev->msi_cap), &control);
+ pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control);
/* MSI Entry Initialization */
entry = alloc_msi_entry(dev);
if (!entry)
@@ -903,7 +903,7 @@ int pci_msix_table_size(struct pci_dev *dev)
if (!dev->msix_cap)
return 0;
- pci_read_config_word(dev, msi_control_reg(dev->msix_cap), &control);
+ pci_read_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, &control);
return multi_msix_capable(control);
}
diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h
index 65c42f80f23e..6aa7b1903796 100644
--- a/drivers/pci/msi.h
+++ b/drivers/pci/msi.h
@@ -6,7 +6,6 @@
#ifndef MSI_H
#define MSI_H
-#define msi_control_reg(base) (base + PCI_MSI_FLAGS)
#define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO)
#define msi_upper_address_reg(base) (base + PCI_MSI_ADDRESS_HI)
#define msi_data_reg(base, is64bit) \