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path: root/drivers/iommu/amd_iommu.c
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Diffstat (limited to 'drivers/iommu/amd_iommu.c')
-rw-r--r--drivers/iommu/amd_iommu.c36
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 98f555dafb55..830183737b0f 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -173,7 +173,7 @@ static inline u16 get_device_id(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
- return calc_devid(pdev->bus->number, pdev->devfn);
+ return PCI_DEVID(pdev->bus->number, pdev->devfn);
}
static struct iommu_dev_data *get_dev_data(struct device *dev)
@@ -649,26 +649,26 @@ retry:
case EVENT_TYPE_ILL_DEV:
printk("ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x "
"address=0x%016llx flags=0x%04x]\n",
- PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
address, flags);
dump_dte_entry(devid);
break;
case EVENT_TYPE_IO_FAULT:
printk("IO_PAGE_FAULT device=%02x:%02x.%x "
"domain=0x%04x address=0x%016llx flags=0x%04x]\n",
- PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
domid, address, flags);
break;
case EVENT_TYPE_DEV_TAB_ERR:
printk("DEV_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
"address=0x%016llx flags=0x%04x]\n",
- PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
address, flags);
break;
case EVENT_TYPE_PAGE_TAB_ERR:
printk("PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
"domain=0x%04x address=0x%016llx flags=0x%04x]\n",
- PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
domid, address, flags);
break;
case EVENT_TYPE_ILL_CMD:
@@ -682,13 +682,13 @@ retry:
case EVENT_TYPE_IOTLB_INV_TO:
printk("IOTLB_INV_TIMEOUT device=%02x:%02x.%x "
"address=0x%016llx]\n",
- PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
address);
break;
case EVENT_TYPE_INV_DEV_REQ:
printk("INVALID_DEVICE_REQUEST device=%02x:%02x.%x "
"address=0x%016llx flags=0x%04x]\n",
- PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
address, flags);
break;
default:
@@ -2466,18 +2466,16 @@ static int device_change_notifier(struct notifier_block *nb,
/* allocate a protection domain if a device is added */
dma_domain = find_protection_domain(devid);
- if (dma_domain)
- goto out;
- dma_domain = dma_ops_domain_alloc();
- if (!dma_domain)
- goto out;
- dma_domain->target_dev = devid;
-
- spin_lock_irqsave(&iommu_pd_list_lock, flags);
- list_add_tail(&dma_domain->list, &iommu_pd_list);
- spin_unlock_irqrestore(&iommu_pd_list_lock, flags);
-
- dev_data = get_dev_data(dev);
+ if (!dma_domain) {
+ dma_domain = dma_ops_domain_alloc();
+ if (!dma_domain)
+ goto out;
+ dma_domain->target_dev = devid;
+
+ spin_lock_irqsave(&iommu_pd_list_lock, flags);
+ list_add_tail(&dma_domain->list, &iommu_pd_list);
+ spin_unlock_irqrestore(&iommu_pd_list_lock, flags);
+ }
dev->archdata.dma_ops = &amd_iommu_dma_ops;