viafb: another small cleanup of viafb_par

This removes the completly useless io variable as well as the temporary
used variables mmio_base and mmio_len in favor to use directly the fb_info
variables.

This is a code cleanup only, no runtime change expected.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Harald Welte <laforge@gnumonks.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 924177c..a17e138 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -69,8 +69,6 @@
 
 	fix->smem_start = viaparinfo->fbmem;
 	fix->smem_len = viaparinfo->fbmem_free;
-	fix->mmio_start = viaparinfo->mmio_base;
-	fix->mmio_len = viaparinfo->mmio_len;
 
 	fix->type = FB_TYPE_PACKED_PIXELS;
 	fix->type_aux = 0;
@@ -2004,9 +2002,10 @@
 		return -ENOMEM;
 	}
 
-	viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len);
-	viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base,
-		viaparinfo->mmio_len);
+	viafb_get_mmio_info(&viafbinfo->fix.mmio_start,
+		&viafbinfo->fix.mmio_len);
+	viaparinfo->io_virt = ioremap_nocache(viafbinfo->fix.mmio_start,
+		viafbinfo->fix.mmio_len);
 	if (!viaparinfo->io_virt) {
 		printk(KERN_WARNING "ioremap failed: hardware acceleration disabled\n");
 		viafb_accel = 0;