iommu/core: Use PAGE_SIZE instead of hard-coded value

Replace the hard-coded 4kb by PAGE_SIZE to make iommu-api
implementations possible on architectures where
PAGE_SIZE != 4kb.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index e61a9ba..30b0644 100644 (file)
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -100,7 +100,7 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova,
 {
        size_t size;
 
-       size         = 0x1000UL << gfp_order;
+       size         = PAGE_SIZE << gfp_order;
 
        BUG_ON(!IS_ALIGNED(iova | paddr, size));
 
@@ -112,7 +112,7 @@ int iommu_unmap(struct iommu_domain *domain, unsigned long iova, int gfp_order)
 {
        size_t size;
 
-       size         = 0x1000UL << gfp_order;
+       size         = PAGE_SIZE << gfp_order;
 
        BUG_ON(!IS_ALIGNED(iova, size));