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Diffstat (limited to 'arch/x86/kernel/pci-gart_64.c')
-rw-r--r--arch/x86/kernel/pci-gart_64.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index eb46ab3f52b..0410bd30060 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -709,7 +709,7 @@ static void gart_iommu_shutdown(void)
}
}
-void __init gart_iommu_init(void)
+int __init gart_iommu_init(void)
{
struct agp_kern_info info;
unsigned long iommu_start;
@@ -719,7 +719,7 @@ void __init gart_iommu_init(void)
long i;
if (cache_k8_northbridges() < 0 || num_k8_northbridges == 0)
- return;
+ return 0;
#ifndef CONFIG_AGP_AMD64
no_agp = 1;
@@ -731,13 +731,6 @@ void __init gart_iommu_init(void)
(agp_copy_info(agp_bridge, &info) < 0);
#endif
- if (swiotlb)
- return;
-
- /* Did we detect a different HW IOMMU? */
- if (iommu_detected && !gart_iommu_aperture)
- return;
-
if (no_iommu ||
(!force_iommu && max_pfn <= MAX_DMA32_PFN) ||
!gart_iommu_aperture ||
@@ -747,7 +740,7 @@ void __init gart_iommu_init(void)
"but GART IOMMU not available.\n");
printk(KERN_WARNING "falling back to iommu=soft.\n");
}
- return;
+ return 0;
}
/* need to map that range */
@@ -840,6 +833,8 @@ void __init gart_iommu_init(void)
flush_gart();
dma_ops = &gart_dma_ops;
x86_platform.iommu_shutdown = gart_iommu_shutdown;
+
+ return 0;
}
void __init gart_parse_options(char *p)