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path: root/drivers/iommu/fsl_pamu_domain.c
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Diffstat (limited to 'drivers/iommu/fsl_pamu_domain.c')
-rw-r--r--drivers/iommu/fsl_pamu_domain.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index 3dd0b8edd429..54060d16dec8 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -335,11 +335,6 @@ static struct fsl_dma_domain *iommu_alloc_dma_domain(void)
return domain;
}
-static inline struct device_domain_info *find_domain(struct device *dev)
-{
- return dev->archdata.iommu_domain;
-}
-
static void remove_device_ref(struct device_domain_info *info, u32 win_cnt)
{
unsigned long flags;
@@ -380,7 +375,7 @@ static void attach_device(struct fsl_dma_domain *dma_domain, int liodn, struct d
* Check here if the device is already attached to domain or not.
* If the device is already attached to a domain detach it.
*/
- old_domain_info = find_domain(dev);
+ old_domain_info = dev->archdata.iommu_domain;
if (old_domain_info && old_domain_info->domain != dma_domain) {
spin_unlock_irqrestore(&device_domain_lock, flags);
detach_device(dev, old_domain_info->domain);
@@ -399,7 +394,7 @@ static void attach_device(struct fsl_dma_domain *dma_domain, int liodn, struct d
* the info for the first LIODN as all
* LIODNs share the same domain
*/
- if (!old_domain_info)
+ if (!dev->archdata.iommu_domain)
dev->archdata.iommu_domain = info;
spin_unlock_irqrestore(&device_domain_lock, flags);