microblaze: Do not setup pci_dma_ops

pci_dma_ops are dma_direct_ops which are setup
by default that's why not setup it again.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/microblaze/include/asm/pci.h

@@ -49,14 +49,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
 	/* We don't do dynamic PCI IRQ allocation */
 }
 
-#ifdef CONFIG_PCI
-extern void set_pci_dma_ops(struct dma_map_ops *dma_ops);
-extern struct dma_map_ops *get_pci_dma_ops(void);
-#else	/* CONFIG_PCI */
-#define set_pci_dma_ops(d)
-#define get_pci_dma_ops()	NULL
-#endif
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,

arch/microblaze/pci/pci-common.c

@@ -47,24 +47,10 @@ static int global_phb_number;		/* Global phb counter */
 /* ISA Memory physical address */
 resource_size_t isa_mem_base;
 
-static struct dma_map_ops *pci_dma_ops = &dma_direct_ops;
-
 unsigned long isa_io_base;
 unsigned long pci_dram_offset;
 static int pci_bus_count;
 
-
-void set_pci_dma_ops(struct dma_map_ops *dma_ops)
-{
-	pci_dma_ops = dma_ops;
-}
-
-struct dma_map_ops *get_pci_dma_ops(void)
-{
-	return pci_dma_ops;
-}
-EXPORT_SYMBOL(get_pci_dma_ops);
-
 struct pci_controller *pcibios_alloc_controller(struct device_node *dev)
 {
 	struct pci_controller *phb;
@@ -886,8 +872,6 @@ void pcibios_setup_bus_devices(struct pci_bus *bus)
 		 */
 		set_dev_node(&dev->dev, pcibus_to_node(dev->bus));
 
-		/* Hook up default DMA ops */
-		set_dma_ops(&dev->dev, pci_dma_ops);
 		dev->dev.archdata.dma_data = (void *)PCI_DRAM_OFFSET;
 
 		/* Read default IRQs and fixup if necessary */