x86 gart: rename symbols only used for the GART implementation

This patch renames the 4 symbols iommu_hole_init(), iommu_aperture,
iommu_aperture_allowed, iommu_aperture_disabled. All these symbols are only
used for the GART implementation of IOMMUs.

It adds and additional gart_ prefix to them.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 3be0b83dc4cb..06bcba536045 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -627,12 +627,12 @@ void __init gart_iommu_init(void)
                 return;
 
         /* Did we detect a different HW IOMMU? */
-        if (iommu_detected && !iommu_aperture)
+        if (iommu_detected && !gart_iommu_aperture)
                 return;
 
         if (no_iommu ||
             (!force_iommu && end_pfn <= MAX_DMA32_PFN) ||
-            !iommu_aperture ||
+            !gart_iommu_aperture ||
             (no_agp && init_k8_gatt(&info) < 0)) {
                 if (end_pfn > MAX_DMA32_PFN) {
                         printk(KERN_ERR "WARNING more than 4GB of memory "
@@ -733,9 +733,9 @@ void __init gart_parse_options(char *p)
                 fix_aperture = 0;
         /* duplicated from pci-dma.c */
         if (!strncmp(p,"force",5))
-                iommu_aperture_allowed = 1;
+                gart_iommu_aperture_allowed = 1;
         if (!strncmp(p,"allowed",7))
-                iommu_aperture_allowed = 1;
+                gart_iommu_aperture_allowed = 1;
         if (!strncmp(p, "memaper", 7)) {
                 fallback_aper_force = 1;
                 p += 7;