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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 14:23:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 14:23:48 -0700
commit157b6ceb13e4b4148ee03dd517dbe88748943125 (patch)
treef0f0f50bef7ce0be2e86465881c518fbb5ddb0de /arch/x86/kernel/aperture_64.c
parent4a60cfa9457749f7987fd4f3c956dbba5a281129 (diff)
parent6e9636693373d938aa3b13427be3d212f172ac06 (diff)
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Merge branch 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, iommu: Update header comments with appropriate naming ia64, iommu: Add a dummy iommu_table.h file in IA64. x86, iommu: Fix IOMMU_INIT alignment rules x86, doc: Adding comments about .iommu_table and its neighbors. x86, iommu: Utilize the IOMMU_INIT macros functionality. x86, VT-d: Make Intel VT-d IOMMU use IOMMU_INIT_* macros. x86, GART/AMD-VI: Make AMD GART and IOMMU use IOMMU_INIT_* macros. x86, calgary: Make Calgary IOMMU use IOMMU_INIT_* macros. x86, xen-swiotlb: Make Xen-SWIOTLB use IOMMU_INIT_* macros. x86, swiotlb: Make SWIOTLB use IOMMU_INIT_* macros. x86, swiotlb: Simplify SWIOTLB pci_swiotlb_detect routine. x86, iommu: Add proper dependency sort routine (and sanity check). x86, iommu: Make all IOMMU's detection routines return a value. x86, iommu: Add IOMMU_INIT macros, .iommu_table section, and iommu_table_entry structure
Diffstat (limited to 'arch/x86/kernel/aperture_64.c')
-rw-r--r--arch/x86/kernel/aperture_64.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 377f5db3b8b..b3a16e8f070 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -371,7 +371,7 @@ void __init early_gart_iommu_check(void)
static int __initdata printed_gart_size_msg;
-void __init gart_iommu_hole_init(void)
+int __init gart_iommu_hole_init(void)
{
u32 agp_aper_base = 0, agp_aper_order = 0;
u32 aper_size, aper_alloc = 0, aper_order = 0, last_aper_order = 0;
@@ -381,7 +381,7 @@ void __init gart_iommu_hole_init(void)
if (gart_iommu_aperture_disabled || !fix_aperture ||
!early_pci_allowed())
- return;
+ return -ENODEV;
printk(KERN_INFO "Checking aperture...\n");
@@ -463,8 +463,9 @@ out:
unsigned long n = (32 * 1024 * 1024) << last_aper_order;
insert_aperture_resource((u32)last_aper_base, n);
+ return 1;
}
- return;
+ return 0;
}
if (!fallback_aper_force) {
@@ -500,7 +501,7 @@ out:
panic("Not enough memory for aperture");
}
} else {
- return;
+ return 0;
}
/* Fix up the north bridges */
@@ -526,4 +527,6 @@ out:
}
set_up_gart_resume(aper_order, aper_alloc);
+
+ return 1;
}