[SPARC64]: Fix sparse warnings in arch/sparc64/kernel/iommu.c

Fix local variable shadowing in dma_4u_map_sg().

Mark sun4u_dma_ops static.

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

diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c
index fbaab34..b781d3d 100644 (file)
--- a/arch/sparc64/kernel/iommu.c
+++ b/arch/sparc64/kernel/iommu.c
@@ -626,7 +626,7 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
 iommu_map_failed:
        for_each_sg(sglist, s, nelems, i) {
                if (s->dma_length != 0) {
-                       unsigned long vaddr, npages, entry, i;
+                       unsigned long vaddr, npages, entry, j;
                        iopte_t *base;
 
                        vaddr = s->dma_address & IO_PAGE_MASK;
@@ -637,8 +637,8 @@ iommu_map_failed:
                                >> IO_PAGE_SHIFT;
                        base = iommu->page_table + entry;
 
-                       for (i = 0; i < npages; i++)
-                               iopte_make_dummy(iommu, base + i);
+                       for (j = 0; j < npages; j++)
+                               iopte_make_dummy(iommu, base + j);
 
                        s->dma_address = DMA_ERROR_CODE;
                        s->dma_length = 0;
@@ -803,7 +803,7 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev,
        spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
-const struct dma_ops sun4u_dma_ops = {
+static const struct dma_ops sun4u_dma_ops = {
        .alloc_coherent         = dma_4u_alloc_coherent,
        .free_coherent          = dma_4u_free_coherent,
        .map_single             = dma_4u_map_single,