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iommu/amd: Set AMD iommu callbacks for amba bus

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AMD Uart DMA belongs to ACPI HID type device, and its driver
is basing on AMBA Bus, need also IOMMU support.

This patch is just to set the AMD iommu callbacks for amba bus.

Signed-off-by: Wan Zongshun <Vincent.Wan@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Wan Zongshun 2016-04-01 09:06:05 -04:00 • committed by Joerg Roedel
parent b097d11a0f
commit 9a4d3bf56c
1 changed files with 12 additions and 1 deletions
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13
drivers/iommu/amd_iommu.c
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@ -20,6 +20,7 @@
#include <linux/ratelimit.h>
#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/amba/bus.h>
#include <linux/pci-ats.h>
#include <linux/bitmap.h>
#include <linux/slab.h>
@ -2969,7 +2970,17 @@ static struct dma_map_ops amd_iommu_dma_ops = {
int __init amd_iommu_init_api(void)
{
return bus_set_iommu(&pci_bus_type, &amd_iommu_ops);
int err = 0;
err = bus_set_iommu(&pci_bus_type, &amd_iommu_ops);
if (err)
return err;
#ifdef CONFIG_ARM_AMBA
err = bus_set_iommu(&amba_bustype, &amd_iommu_ops);
if (err)
return err;
#endif
return 0;
}
int __init amd_iommu_init_dma_ops(void)