diff options
Diffstat (limited to 'drivers/iommu/amd/iommu.c')
| -rw-r--r-- | drivers/iommu/amd/iommu.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 4426e68de808..599aae889be8 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -210,7 +210,7 @@ static struct iommu_dev_data *alloc_dev_data(struct amd_iommu *iommu, u16 devid) if (!dev_data) return NULL; - spin_lock_init(&dev_data->lock); + mutex_init(&dev_data->mutex); dev_data->devid = devid; ratelimit_default_init(&dev_data->rs); @@ -2092,7 +2092,7 @@ static int attach_device(struct device *dev, struct amd_iommu *iommu = get_amd_iommu_from_dev_data(dev_data); int ret = 0; - spin_lock(&dev_data->lock); + mutex_lock(&dev_data->mutex); if (dev_data->domain != NULL) { ret = -EBUSY; @@ -2118,7 +2118,7 @@ static int attach_device(struct device *dev, } out: - spin_unlock(&dev_data->lock); + mutex_unlock(&dev_data->mutex); return ret; } @@ -2134,7 +2134,7 @@ static void detach_device(struct device *dev) bool ppr = dev_data->ppr; unsigned long flags; - spin_lock(&dev_data->lock); + mutex_lock(&dev_data->mutex); /* * First check if the device is still attached. It might already @@ -2172,7 +2172,7 @@ static void detach_device(struct device *dev) pdom_detach_iommu(iommu, domain); out: - spin_unlock(&dev_data->lock); + mutex_unlock(&dev_data->mutex); /* Remove IOPF handler */ if (ppr) @@ -2470,9 +2470,9 @@ static int blocked_domain_attach_device(struct iommu_domain *domain, detach_device(dev); /* Clear DTE and flush the entry */ - spin_lock(&dev_data->lock); + mutex_lock(&dev_data->mutex); dev_update_dte(dev_data, false); - spin_unlock(&dev_data->lock); + mutex_unlock(&dev_data->mutex); return 0; } |