agp/ati: Use PCI_COMMAND instead of hard-coded 4

We're accessing the PCI_COMMAND register here, so use the appropriate
#define.  The bit we're writing (1 << 14) isn't defined by the PCI or PCIe
spec, so we don't have a name for it.

No functional change.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index ba83c11186ce..18a7a6baa304 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -221,8 +221,8 @@ static int ati_configure(void)
         readl(ati_generic_private.registers+ATI_GART_FEATURE_ID);       /* PCI Posting.*/
 
         /* SIGNALED_SYSTEM_ERROR @ NB_STATUS */
-        pci_read_config_dword(agp_bridge->dev, 4, &temp);
-        pci_write_config_dword(agp_bridge->dev, 4, temp | (1<<14));
+        pci_read_config_dword(agp_bridge->dev, PCI_COMMAND, &temp);
+        pci_write_config_dword(agp_bridge->dev, PCI_COMMAND, temp | (1<<14));
 
         /* Write out the address of the gatt table */
         writel(agp_bridge->gatt_bus_addr, ati_generic_private.registers+ATI_GART_BASE);