macide: use struct ide_port_info

This fixes hwif->channel and drive->dn assignments.

Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/macide.c b/drivers/ide/macide.c
index 3c60064..e9f965e 100644
--- a/drivers/ide/macide.c
+++ b/drivers/ide/macide.c
@@ -80,6 +80,10 @@
 	hw->chipset = ide_generic;
 }
 
+static const struct ide_port_info macide_port_info = {
+	.host_flags		= IDE_HFLAG_NO_DMA,
+};
+
 static const char *mac_ide_name[] =
 	{ "Quadra", "Powerbook", "Powerbook Baboon" };
 
@@ -122,7 +126,7 @@
 
 	macide_setup_ports(&hw, base, irq, ack_intr);
 
-	return ide_host_add(NULL, hws, NULL);
+	return ide_host_add(&macide_port_info, hws, NULL);
 }
 
 module_init(macide_init);