sparc32: Make mmu_map_dma_area and mmu_unmap_dma_area take a device pointer.

This lets us kill this "map it in every IOMMU" crazy code, and also
some of the final references to sbus_root.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 5 deletions

diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 832d99f33470..2970cea877b1 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -334,11 +334,11 @@ static void iommu_release_scsi_sgl(struct device *dev, struct scatterlist *sg, i
 }
 
 #ifdef CONFIG_SBUS
-static int iommu_map_dma_area(dma_addr_t *pba, unsigned long va,
-    unsigned long addr, int len)
+static int iommu_map_dma_area(struct device *dev, dma_addr_t *pba, unsigned long va,
+                              unsigned long addr, int len)
 {
+        struct iommu_struct *iommu = dev->archdata.iommu;
         unsigned long page, end;
-        struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu;
         iopte_t *iopte = iommu->page_table;
         iopte_t *first;
         int ioptex;
@@ -401,9 +401,9 @@ static int iommu_map_dma_area(dma_addr_t *pba, unsigned long va,
         return 0;
 }
 
-static void iommu_unmap_dma_area(unsigned long busa, int len)
+static void iommu_unmap_dma_area(struct device *dev, unsigned long busa, int len)
 {
-        struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu;
+        struct iommu_struct *iommu = dev->archdata.iommu;
         iopte_t *iopte = iommu->page_table;
         unsigned long end;
         int ioptex = (busa - iommu->start) >> PAGE_SHIFT;