pci: use pci_ioremap_bar() in drivers/video

Use the newly introduced pci_ioremap_bar() function in drivers/video.
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>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 243ea4a..db16112 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -2051,7 +2051,7 @@
 
 	/* Virtualize mmio region */
 	info->fix.mmio_start = reg_addr;
-	par->regbase = ioremap(reg_addr, pci_resource_len(pdev, 2));
+	par->regbase = pci_ioremap_bar(pdev, 2);
 	if (!par->regbase)
 		goto err_free_info;