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authorLinus Torvalds <torvalds@linux-foundation.org>2010-01-16 12:31:42 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-01-16 12:31:42 -0800
commit330a518a1aae6724601903b278ce892d7ab08136 (patch)
tree11cfe776207693f0624b0c1412f5f1d117170f74 /drivers/char/agp
parent2a8249daf6e2d643bf47a68a7fef2584a0597cb5 (diff)
parent1d2c867c941d635e53e8ad7bf37d060bb5b25ec5 (diff)
downloadop-kernel-dev-330a518a1aae6724601903b278ce892d7ab08136.zip
op-kernel-dev-330a518a1aae6724601903b278ce892d7ab08136.tar.gz
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, uv: Ensure hub revision set for all ACPI modes. x86, uv: Add function retrieving node controller revision number x86: xen: 64-bit kernel RPL should be 0 x86: kernel_thread() -- initialize SS to a known state x86/agp: Fix agp_amd64_init and agp_amd64_cleanup x86: SGI UV: Fix mapping of MMIO registers x86: mce.h: Fix warning in header checks
Diffstat (limited to 'drivers/char/agp')
-rw-r--r--drivers/char/agp/amd64-agp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 5aa7a58..1afb896 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -725,12 +725,11 @@ static struct pci_driver agp_amd64_pci_driver = {
int __init agp_amd64_init(void)
{
int err = 0;
- static int done = 0;
if (agp_off)
return -EINVAL;
- if (done++)
+ if (gart_iommu_aperture)
return agp_bridges_found ? 0 : -ENODEV;
err = pci_register_driver(&agp_amd64_pci_driver);
@@ -771,6 +770,8 @@ int __init agp_amd64_init(void)
static void __exit agp_amd64_cleanup(void)
{
+ if (gart_iommu_aperture)
+ return;
if (aperture_resource)
release_resource(aperture_resource);
pci_unregister_driver(&agp_amd64_pci_driver);
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