agp/intel: Rename gtt_bus_addr to gtt_phys_addr

The only use of gtt_bus_addr is as an argument to ioremap(), so it is a CPU
physical address, not a bus address.  Rename it to gtt_phys_addr to reflect
this.

No functional change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index b8e2014cb9cb0681d8fa1a21d7930b13e1e2a261..54202ffcf467af655a45c9ff96bb3454815be043 100644 (file)
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -64,7 +64,7 @@ static struct _intel_private {
        struct pci_dev *pcidev; /* device one */
        struct pci_dev *bridge_dev;
        u8 __iomem *registers;
-       phys_addr_t gtt_bus_addr;
+       phys_addr_t gtt_phys_addr;
        u32 PGETBL_save;
        u32 __iomem *gtt;               /* I915G */
        bool clear_fake_agp; /* on first access via agp, fill with scratch */
@@ -191,7 +191,7 @@ static int i810_setup(void)
        writel(virt_to_phys(gtt_table) | I810_PGETBL_ENABLED,
               intel_private.registers+I810_PGETBL_CTL);
 
-       intel_private.gtt_bus_addr = reg_addr + I810_PTE_BASE;
+       intel_private.gtt_phys_addr = reg_addr + I810_PTE_BASE;
 
        if ((readl(intel_private.registers+I810_DRAM_CTL)
                & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
@@ -636,10 +636,10 @@ static int intel_gtt_init(void)
 
        intel_private.gtt = NULL;
        if (intel_gtt_can_wc())
-               intel_private.gtt = ioremap_wc(intel_private.gtt_bus_addr,
+               intel_private.gtt = ioremap_wc(intel_private.gtt_phys_addr,
                                               gtt_map_size);
        if (intel_private.gtt == NULL)
-               intel_private.gtt = ioremap(intel_private.gtt_bus_addr,
+               intel_private.gtt = ioremap(intel_private.gtt_phys_addr,
                                            gtt_map_size);
        if (intel_private.gtt == NULL) {
                intel_private.driver->cleanup();
@@ -796,7 +796,7 @@ static int i830_setup(void)
        if (!intel_private.registers)
                return -ENOMEM;
 
-       intel_private.gtt_bus_addr = reg_addr + I810_PTE_BASE;
+       intel_private.gtt_phys_addr = reg_addr + I810_PTE_BASE;
 
        return 0;
 }
@@ -1123,13 +1123,13 @@ static int i9xx_setup(void)
        case 3:
                pci_read_config_dword(intel_private.pcidev,
                                      I915_PTEADDR, &gtt_addr);
-               intel_private.gtt_bus_addr = gtt_addr;
+               intel_private.gtt_phys_addr = gtt_addr;
                break;
        case 5:
-               intel_private.gtt_bus_addr = reg_addr + MB(2);
+               intel_private.gtt_phys_addr = reg_addr + MB(2);
                break;
        default:
-               intel_private.gtt_bus_addr = reg_addr + KB(512);
+               intel_private.gtt_phys_addr = reg_addr + KB(512);
                break;
        }