From: Joerg Roedel <jroe...@suse.de>
Make this function ready to be used in the DMA-API path.
Reorder parameters a bit while at it.
Signed-off-by: Joerg Roedel <jroe...@suse.de>
---
drivers/iommu/amd_iommu.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 5ea5679..e7c042b 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1415,8 +1415,9 @@ static u64 *fetch_pte(struct protection_domain *domain,
static int iommu_map_page(struct protection_domain *dom,
unsigned long bus_addr,
unsigned long phys_addr,
+ unsigned long page_size,
int prot,
- unsigned long page_size)
+ gfp_t gfp)
{
u64 __pte, *pte;
int i, count;
@@ -1428,7 +1429,7 @@ static int iommu_map_page(struct protection_domain *dom,
return -EINVAL;
count = PAGE_SIZE_PTE_COUNT(page_size);
- pte = alloc_pte(dom, bus_addr, page_size, NULL, GFP_KERNEL);
+ pte = alloc_pte(dom, bus_addr, page_size, NULL, gfp);
if (!pte)
return -ENOMEM;
@@ -3277,7 +3278,7 @@ static int amd_iommu_map(struct iommu_domain *dom,
unsigned long iova,
prot |= IOMMU_PROT_IW;
mutex_lock(&domain->api_lock);
- ret = iommu_map_page(domain, iova, paddr, prot, page_size);
+ ret = iommu_map_page(domain, iova, paddr, page_size, prot, GFP_KERNEL);
mutex_unlock(&domain->api_lock);
return ret;
--
1.9.1
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