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iommu/vt-d: Rename iommu_detach_dependent_devices() 

Rename this function and the ones further down its
call-chain to domain_context_clear_*. In particular this
means:

	iommu_detach_dependent_devices -> domain_context_clear
		   iommu_detach_dev_cb -> domain_context_clear_one_cb
		      iommu_detach_dev -> domain_context_clear_one

These names match a lot better with its
domain_context_mapping counterparts.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2015-07-23 16:20:14 +02:00
parent e6de0f8dfc
commit 2452d9db12
1 changed files with 8 additions and 10 deletions
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18
drivers/iommu/intel-iommu.c
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@ -474,8 +474,8 @@ static void domain_exit(struct dmar_domain *domain);
static void domain_remove_dev_info(struct dmar_domain *domain);
static void dmar_remove_one_dev_info(struct dmar_domain *domain,
struct device *dev);
static void iommu_detach_dependent_devices(struct intel_iommu *iommu,
struct device *dev);
static void domain_context_clear(struct intel_iommu *iommu,
struct device *dev);
static int domain_detach_iommu(struct dmar_domain *domain,
struct intel_iommu *iommu);
@ -2230,7 +2230,7 @@ static inline int domain_pfn_mapping(struct dmar_domain *domain, unsigned long i
return __domain_mapping(domain, iov_pfn, NULL, phys_pfn, nr_pages, prot);
}
static void iommu_detach_dev(struct intel_iommu *iommu, u8 bus, u8 devfn)
static void domain_context_clear_one(struct intel_iommu *iommu, u8 bus, u8 devfn)
{
if (!iommu)
return;
@ -4551,11 +4551,11 @@ int __init intel_iommu_init(void)
return ret;
}
static int iommu_detach_dev_cb(struct pci_dev *pdev, u16 alias, void *opaque)
static int domain_context_clear_one_cb(struct pci_dev *pdev, u16 alias, void *opaque)
{
struct intel_iommu *iommu = opaque;
iommu_detach_dev(iommu, PCI_BUS_NUM(alias), alias & 0xff);
domain_context_clear_one(iommu, PCI_BUS_NUM(alias), alias & 0xff);
return 0;
}
@ -4565,13 +4565,12 @@ static int iommu_detach_dev_cb(struct pci_dev *pdev, u16 alias, void *opaque)
* devices, unbinding the driver from any one of them will possibly leave
* the others unable to operate.
*/
static void iommu_detach_dependent_devices(struct intel_iommu *iommu,
struct device *dev)
static void domain_context_clear(struct intel_iommu *iommu, struct device *dev)
{
if (!iommu || !dev || !dev_is_pci(dev))
return;
pci_for_each_dma_alias(to_pci_dev(dev), &iommu_detach_dev_cb, iommu);
pci_for_each_dma_alias(to_pci_dev(dev), &domain_context_clear_one_cb, iommu);
}
static void dmar_remove_one_dev_info(struct dmar_domain *domain,
@ -4596,8 +4595,7 @@ static void dmar_remove_one_dev_info(struct dmar_domain *domain,
spin_unlock_irqrestore(&device_domain_lock, flags);
iommu_disable_dev_iotlb(info);
iommu_detach_dev(iommu, info->bus, info->devfn);
iommu_detach_dependent_devices(iommu, dev);
domain_context_clear(iommu, dev);
free_devinfo_mem(info);
domain_detach_iommu(domain, iommu);