pci: use pci_ioremap_bar() in sound/

Use the newly introduced pci_ioremap_bar() function in sound/.
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: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
index 92f3a97..a7f38e6 100644
--- a/sound/pci/ad1889.c
+++ b/sound/pci/ad1889.c
@@ -932,7 +932,7 @@
 		goto free_and_ret;
 
 	chip->bar = pci_resource_start(pci, 0);
-	chip->iobase = ioremap_nocache(chip->bar, pci_resource_len(pci, 0));
+	chip->iobase = pci_ioremap_bar(pci, 0);
 	if (chip->iobase == NULL) {
 		printk(KERN_ERR PFX "unable to reserve region.\n");
 		err = -EBUSY;