pci: use pci_ioremap_bar() in drivers/net

Use the newly introduced pci_ioremap_bar() function in drivers/net.
pci_ioremap_bar() just takes a pci device and a bar number, with the goal
of making it really hard to get wrong, while also having a central place
to stick sanity checks.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c
index 9e4b313..65a4040 100644
--- a/drivers/net/epic100.c
+++ b/drivers/net/epic100.c
@@ -363,7 +363,7 @@
 	ioaddr = pci_resource_start (pdev, 0);
 #else
 	ioaddr = pci_resource_start (pdev, 1);
-	ioaddr = (long) ioremap (ioaddr, pci_resource_len (pdev, 1));
+	ioaddr = (long) pci_ioremap_bar(pdev, 1);
 	if (!ioaddr) {
 		dev_err(&pdev->dev, "ioremap failed\n");
 		goto err_out_free_netdev;