iommu/amd: Implement add_device and remove_device
Implement these two iommu-ops call-backs to make use of the
initialization and notifier features of the iommu core.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 450ef50..e4a6e40 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -226,6 +226,7 @@
static int amd_iommu_enable_interrupts(void);
static int __init iommu_go_to_state(enum iommu_init_state state);
+static void init_device_table_dma(void);
static inline void update_last_devid(u16 devid)
{
@@ -1385,7 +1386,12 @@
break;
}
- ret = amd_iommu_init_devices();
+ init_device_table_dma();
+
+ for_each_iommu(iommu)
+ iommu_flush_all_caches(iommu);
+
+ amd_iommu_init_api();
print_iommu_info();
@@ -1825,8 +1831,6 @@
static void __init free_dma_resources(void)
{
- amd_iommu_uninit_devices();
-
free_pages((unsigned long)amd_iommu_pd_alloc_bitmap,
get_order(MAX_DOMAIN_ID/8));
@@ -2019,27 +2023,10 @@
static int amd_iommu_init_dma(void)
{
- struct amd_iommu *iommu;
- int ret;
-
if (iommu_pass_through)
- ret = amd_iommu_init_passthrough();
+ return amd_iommu_init_passthrough();
else
- ret = amd_iommu_init_dma_ops();
-
- if (ret)
- return ret;
-
- init_device_table_dma();
-
- for_each_iommu(iommu)
- iommu_flush_all_caches(iommu);
-
- amd_iommu_init_api();
-
- amd_iommu_init_notifier();
-
- return 0;
+ return amd_iommu_init_dma_ops();
}
/****************************************************************************