diff options
Diffstat (limited to 'drivers/iommu/ipmmu-vmsa.c')
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 195d6e93ac71..5d0ba5f644c4 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -54,7 +54,7 @@ struct ipmmu_vmsa_domain { struct io_pgtable_ops *iop; unsigned int context_id; - spinlock_t lock; /* Protects mappings */ + struct mutex mutex; /* Protects mappings */ }; struct ipmmu_vmsa_iommu_priv { @@ -523,7 +523,7 @@ static struct iommu_domain *__ipmmu_domain_alloc(unsigned type) if (!domain) return NULL; - spin_lock_init(&domain->lock); + mutex_init(&domain->mutex); return &domain->io_domain; } @@ -548,7 +548,6 @@ static int ipmmu_attach_device(struct iommu_domain *io_domain, struct iommu_fwspec *fwspec = dev->iommu_fwspec; struct ipmmu_vmsa_device *mmu = priv->mmu; struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain); - unsigned long flags; unsigned int i; int ret = 0; @@ -557,7 +556,7 @@ static int ipmmu_attach_device(struct iommu_domain *io_domain, return -ENXIO; } - spin_lock_irqsave(&domain->lock, flags); + mutex_lock(&domain->mutex); if (!domain->mmu) { /* The domain hasn't been used yet, initialize it. */ @@ -574,7 +573,7 @@ static int ipmmu_attach_device(struct iommu_domain *io_domain, } else dev_info(dev, "Reusing IPMMU context %u\n", domain->context_id); - spin_unlock_irqrestore(&domain->lock, flags); + mutex_unlock(&domain->mutex); if (ret < 0) return ret; |