iommu/amd: Remove 'start' parameter from dma_ops_area_alloc

Parameter is not needed because the value is part of the
already passed in struct dma_ops_domain.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index eb11996e310f3586a762a1a698856bc968f41fef..2962c62a83775a14593c76d4e69da161eb94dab8 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1561,11 +1561,10 @@ static unsigned long dma_ops_area_alloc(struct device *dev,
                                        struct dma_ops_domain *dom,
                                        unsigned int pages,
                                        unsigned long align_mask,
-                                       u64 dma_mask,
-                                       unsigned long start)
+                                       u64 dma_mask)
 {
        int max_index = dom->aperture_size >> APERTURE_RANGE_SHIFT;
-       int i = start >> APERTURE_RANGE_SHIFT;
+       int i = dom->next_address >> APERTURE_RANGE_SHIFT;
        unsigned long next_bit, boundary_size, mask;
        unsigned long address = -1;
 
@@ -1612,13 +1611,12 @@ static unsigned long dma_ops_alloc_addresses(struct device *dev,
        dom->need_flush = true;
 #endif
 
-       address = dma_ops_area_alloc(dev, dom, pages, align_mask,
-                                    dma_mask, dom->next_address);
+       address = dma_ops_area_alloc(dev, dom, pages, align_mask, dma_mask);
 
        if (address == -1) {
                dom->next_address = 0;
                address = dma_ops_area_alloc(dev, dom, pages, align_mask,
-                                            dma_mask, 0);
+                                            dma_mask);
                dom->need_flush = true;
        }