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| author |   Gary R Hook <gary.hook@amd.com> | 2018-06-12 16:41:30 -0500 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2018-07-06 14:06:30 +0200 |
| commit | 7d0f5fd3e4d687424cc2ab68b55472e328e2ee0a (patch) | |
| tree | 4005d7036fae71fcef2dc6c93f7e653d8f75a546 /drivers/iommu/amd_iommu_init.c | |
| parent | iommu: Enable debugfs exposure of IOMMU driver internals (diff) | |
| download | wireguard-linux-7d0f5fd3e4d687424cc2ab68b55472e328e2ee0a.tar.xz wireguard-linux-7d0f5fd3e4d687424cc2ab68b55472e328e2ee0a.zip | |
iommu/amd: Add basic debugfs infrastructure for AMD IOMMU
Implement a skeleton framework for debugfs support in the AMD
IOMMU. Add an AMD-specific Kconfig boolean that depends upon
general enablement of DebugFS in the IOMMU.
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 904c575d1677..031e6dbb8345 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2721,6 +2721,7 @@ int __init amd_iommu_enable_faulting(void) */ static int __init amd_iommu_init(void) { + struct amd_iommu *iommu; int ret; ret = iommu_go_to_state(IOMMU_INITIALIZED); @@ -2730,14 +2731,15 @@ static int __init amd_iommu_init(void) disable_iommus(); free_iommu_resources(); } else { - struct amd_iommu *iommu; - uninit_device_table_dma(); for_each_iommu(iommu) iommu_flush_all_caches(iommu); } } + for_each_iommu(iommu) + amd_iommu_debugfs_setup(iommu); + return ret; } |