staging: vme: make [alloc|free]_consistent bridge specific

Make PCI dependent functions ([alloc|free]_consistent() in
'vme.c') bridge specific. By removing the dependency of the
VME bridge framework on PCI, this patch allows for addition of
non-PCI based VME bridges.

Signed-off-by: Manohar Vanga <manohar.vanga@cern.ch>
Acked-by: Martyn Welch <martyn.welch@ge.com>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/vme/vme_bridge.h b/drivers/staging/vme/vme_bridge.h
index 4c6ec31..a9084f0 100644
--- a/drivers/staging/vme/vme_bridge.h
+++ b/drivers/staging/vme/vme_bridge.h
@@ -98,8 +98,6 @@
 /* This structure stores all the information about one bridge
  * The structure should be dynamically allocated by the driver and one instance
  * of the structure should be present for each VME chip present in the system.
- *
- * Currently we assume that all chips are PCI-based
  */
 struct vme_bridge {
 	char name[VMENAMSIZ];
@@ -112,7 +110,7 @@
 	struct list_head vme_errors;	/* List for errors generated on VME */
 
 	/* Bridge Info - XXX Move to private structure? */
-	struct device *parent;	/* Generic device struct (pdev->dev for PCI) */
+	struct device *parent;	/* Parent device (eg. pdev->dev for PCI) */
 	void *driver_priv;	/* Private pointer for the bridge driver */
 
 	struct device dev[VME_SLOTS_MAX];	/* Device registered with
@@ -165,6 +163,12 @@
 
 	/* CR/CSR space functions */
 	int (*slot_get) (struct vme_bridge *);
+
+	/* Bridge parent interface */
+	void *(*alloc_consistent)(struct device *dev, size_t size,
+		dma_addr_t *dma);
+	void (*free_consistent)(struct device *dev, size_t size,
+		void *vaddr, dma_addr_t dma);
 };
 
 void vme_irq_handler(struct vme_bridge *, int, int);