[POWERPC] Create and use get_pci_dma_ops()

This allows us to hide pci_dma_ops.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 7 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 73d509343d5b..db1d40ef7d60 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -61,8 +61,7 @@ void iSeries_pcibios_init(void);
 
 LIST_HEAD(hose_list);
 
-struct dma_mapping_ops *pci_dma_ops;
-EXPORT_SYMBOL(pci_dma_ops);
+static struct dma_mapping_ops *pci_dma_ops;
 
 int global_phb_number;          /* Global phb counter */
 
@@ -75,6 +74,12 @@ void set_pci_dma_ops(struct dma_mapping_ops *dma_ops)
         pci_dma_ops = dma_ops;
 }
 
+struct dma_mapping_ops *get_pci_dma_ops(void)
+{
+        return pci_dma_ops;
+}
+EXPORT_SYMBOL(get_pci_dma_ops);
+
 static void fixup_broken_pcnet32(struct pci_dev* dev)
 {
         if ((dev->class>>8 == PCI_CLASS_NETWORK_ETHERNET)) {