parisc: properly type the iommu field in struct pci_hba_data

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/include/asm/pci.h

@@ -56,7 +56,7 @@ struct pci_hba_data {
 	#define DINO_MAX_LMMIO_RESOURCES	3
 
 	unsigned long   lmmio_space_offset;  /* CPU view - PCI view */
-	void *          iommu;          /* IOMMU this device is under */
+	struct ioc	*iommu;		/* IOMMU this device is under */
 	/* REVISIT - spinlock to protect resources? */
 
 	#define HBA_NAME_SIZE 16