x86/amd-iommu: Remove iommu parameter from __(un)map_single

With the prior changes this parameter is not longer
required. This patch removes it from the function and all
callers.

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

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 687f617..c04dcb7 100644 (file)
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1653,7 +1653,6 @@ static void dma_ops_domain_unmap(struct dma_ops_domain *dom,
  * Must be called with the domain lock held.
  */
 static dma_addr_t __map_single(struct device *dev,
-                              struct amd_iommu *iommu,
                               struct dma_ops_domain *dma_dom,
                               phys_addr_t paddr,
                               size_t size,
@@ -1737,8 +1736,7 @@ out_unmap:
  * Does the reverse of the __map_single function. Must be called with
  * the domain lock held too
  */
-static void __unmap_single(struct amd_iommu *iommu,
-                          struct dma_ops_domain *dma_dom,
+static void __unmap_single(struct dma_ops_domain *dma_dom,
                           dma_addr_t dma_addr,
                           size_t size,
                           int dir)
@@ -1797,7 +1795,7 @@ static dma_addr_t map_page(struct device *dev, struct page *page,
                return DMA_ERROR_CODE;
 
        spin_lock_irqsave(&domain->lock, flags);
-       addr = __map_single(dev, iommu, domain->priv, paddr, size, dir, false,
+       addr = __map_single(dev, domain->priv, paddr, size, dir, false,
                            dma_mask);
        if (addr == DMA_ERROR_CODE)
                goto out;
@@ -1832,7 +1830,7 @@ static void unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
 
        spin_lock_irqsave(&domain->lock, flags);
 
-       __unmap_single(iommu, domain->priv, dma_addr, size, dir);
+       __unmap_single(domain->priv, dma_addr, size, dir);
 
        iommu_flush_complete(domain);
 
@@ -1890,7 +1888,7 @@ static int map_sg(struct device *dev, struct scatterlist *sglist,
        for_each_sg(sglist, s, nelems, i) {
                paddr = sg_phys(s);
 
-               s->dma_address = __map_single(dev, iommu, domain->priv,
+               s->dma_address = __map_single(dev, domain->priv,
                                              paddr, s->length, dir, false,
                                              dma_mask);
 
@@ -1910,7 +1908,7 @@ out:
 unmap:
        for_each_sg(sglist, s, mapped_elems, i) {
                if (s->dma_address)
-                       __unmap_single(iommu, domain->priv, s->dma_address,
+                       __unmap_single(domain->priv, s->dma_address,
                                       s->dma_length, dir);
                s->dma_address = s->dma_length = 0;
        }
@@ -1946,7 +1944,7 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist,
        spin_lock_irqsave(&domain->lock, flags);
 
        for_each_sg(sglist, s, nelems, i) {
-               __unmap_single(iommu, domain->priv, s->dma_address,
+               __unmap_single(domain->priv, s->dma_address,
                               s->dma_length, dir);
                s->dma_address = s->dma_length = 0;
        }
@@ -1996,7 +1994,7 @@ static void *alloc_coherent(struct device *dev, size_t size,
 
        spin_lock_irqsave(&domain->lock, flags);
 
-       *dma_addr = __map_single(dev, iommu, domain->priv, paddr,
+       *dma_addr = __map_single(dev, domain->priv, paddr,
                                 size, DMA_BIDIRECTIONAL, true, dma_mask);
 
        if (*dma_addr == DMA_ERROR_CODE) {
@@ -2038,7 +2036,7 @@ static void free_coherent(struct device *dev, size_t size,
 
        spin_lock_irqsave(&domain->lock, flags);
 
-       __unmap_single(iommu, domain->priv, dma_addr, size, DMA_BIDIRECTIONAL);
+       __unmap_single(domain->priv, dma_addr, size, DMA_BIDIRECTIONAL);
 
        iommu_flush_complete(domain);