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Commit 9a4d3bf5 authored by Wan Zongshun's avatar Wan Zongshun Committed by Joerg Roedel
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iommu/amd: Set AMD iommu callbacks for amba bus 



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: default avatarWan Zongshun <Vincent.Wan@amd.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent b097d11a

drivers/iommu/amd_iommu.c

+12 −1
Original line number Diff line number Diff line
@@ -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)