diff options
author | Gary Bisson <gary.bisson@boundarydevices.com> | 2018-09-24 14:01:55 +0200 |
---|---|---|
committer | Gary Bisson <gary.bisson@boundarydevices.com> | 2018-09-24 14:01:55 +0200 |
commit | cc9333d7aace5c1de4e81932870b53bb6614dedd (patch) | |
tree | 835717abb66260b86e6116fe1e1871e1c128bf06 /drivers/iommu | |
parent | ded0ac8f40f9561d8ab2f8ef6c9ff8dc435f2b41 (diff) | |
parent | 70915e25e1cff60c32e79e5b02e9559c1ed7bab2 (diff) |
Merge tag 'v4.9.128' into 4.9-2.3.x-imx
This is the 4.9.128 stable release
Diffstat (limited to 'drivers/iommu')
-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 ace331da6459..85b5e75c7faa 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -44,7 +44,7 @@ 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_archdata { @@ -464,7 +464,7 @@ 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; } @@ -488,7 +488,6 @@ static int ipmmu_attach_device(struct iommu_domain *io_domain, struct ipmmu_vmsa_archdata *archdata = dev->archdata.iommu; struct ipmmu_vmsa_device *mmu = archdata->mmu; struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain); - unsigned long flags; unsigned int i; int ret = 0; @@ -497,7 +496,7 @@ 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. */ @@ -513,7 +512,7 @@ static int ipmmu_attach_device(struct iommu_domain *io_domain, ret = -EINVAL; } - spin_unlock_irqrestore(&domain->lock, flags); + mutex_unlock(&domain->mutex); if (ret < 0) return ret; |