Update ibm_newemac to use dcr_host_t.base

Now that dcr_host_t contains the base address, we can use that in the
ibm_newemac code, rather than storing it separately.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/ibm_newemac/mal.c

@@ -461,6 +461,7 @@ static int __devinit mal_probe(struct of_device *ofdev,
 	struct mal_instance *mal;
 	int err = 0, i, bd_size;
 	int index = mal_count++;
+	unsigned int dcr_base;
 	const u32 *prop;
 	u32 cfg;
 
@@ -497,14 +498,14 @@ static int __devinit mal_probe(struct of_device *ofdev,
 	}
 	mal->num_rx_chans = prop[0];
 
-	mal->dcr_base = dcr_resource_start(ofdev->node, 0);
-	if (mal->dcr_base == 0) {
+	dcr_base = dcr_resource_start(ofdev->node, 0);
+	if (dcr_base == 0) {
 		printk(KERN_ERR
 		       "mal%d: can't find DCR resource!\n", index);
 		err = -ENODEV;
 		goto fail;
 	}
-        mal->dcr_host = dcr_map(ofdev->node, mal->dcr_base, 0x100);
+	mal->dcr_host = dcr_map(ofdev->node, dcr_base, 0x100);
 	if (!DCR_MAP_OK(mal->dcr_host)) {
 		printk(KERN_ERR
 		       "mal%d: failed to map DCRs !\n", index);
@@ -626,7 +627,7 @@ static int __devinit mal_probe(struct of_device *ofdev,
  fail2:
 	dma_free_coherent(&ofdev->dev, bd_size, mal->bd_virt, mal->bd_dma);
  fail_unmap:
-	dcr_unmap(mal->dcr_host, mal->dcr_base, 0x100);
+	dcr_unmap(mal->dcr_host, dcr_base, 0x100);
  fail:
 	kfree(mal);
 

drivers/net/ibm_newemac/mal.h

@@ -185,7 +185,6 @@ struct mal_commac {
 
 struct mal_instance {
 	int			version;
-	int			dcr_base;
 	dcr_host_t		dcr_host;
 
 	int			num_tx_chans;	/* Number of TX channels */
@@ -213,12 +212,12 @@ struct mal_instance {
 
 static inline u32 get_mal_dcrn(struct mal_instance *mal, int reg)
 {
-	return dcr_read(mal->dcr_host, mal->dcr_base + reg);
+	return dcr_read(mal->dcr_host, mal->dcr_host.base + reg);
 }
 
 static inline void set_mal_dcrn(struct mal_instance *mal, int reg, u32 val)
 {
-	dcr_write(mal->dcr_host, mal->dcr_base + reg, val);
+	dcr_write(mal->dcr_host, mal->dcr_host.base + reg, val);
 }
 
 /* Register MAL devices */