sparc: remove leon_dma_ops

We can just use pci32_dma_ops directly.

Signed-off-by: Christoph Hellwig <[e-mail]>
Acked-by: David S. Miller <[e-mail]>

arch/sparc/include/asm/dma-mapping.h

···
 }
 
 extern const struct dma_map_ops *dma_ops;
-extern const struct dma_map_ops *leon_dma_ops;
 extern const struct dma_map_ops pci32_dma_ops;
 
 extern struct bus_type pci_bus_type;
···
 {
 #ifdef CONFIG_SPARC_LEON
 	if (sparc_cpu_model == sparc_leon)
-		return leon_dma_ops;
+		return &pci32_dma_ops;
 #endif
 #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
 	if (bus == &pci_bus_type)

arch/sparc/kernel/ioport.c

···
 	}
 }
 
+/* note: leon re-uses pci32_dma_ops */
 const struct dma_map_ops pci32_dma_ops = {
 	.alloc			= pci32_alloc_coherent,
 	.free			= pci32_free_coherent,
···
 	.sync_sg_for_device	= pci32_sync_sg_for_device,
 };
 EXPORT_SYMBOL(pci32_dma_ops);
-
-/* leon re-uses pci32_dma_ops */
-const struct dma_map_ops *leon_dma_ops = &pci32_dma_ops;
-EXPORT_SYMBOL(leon_dma_ops);
 
 const struct dma_map_ops *dma_ops = &sbus_dma_ops;
 EXPORT_SYMBOL(dma_ops);