diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c
index 2153def..941b72b 100644
--- a/drivers/ata/pata_scc.c
+++ b/drivers/ata/pata_scc.c
@@ -636,9 +636,11 @@
 	}
 
 	/* determine by signature whether we have ATA or ATAPI devices */
-	classes[0] = ata_dev_try_classify(ap, 0, &err);
+	classes[0] = ata_dev_try_classify(&ap->link.device[0],
+					  devmask & (1 << 0), &err);
 	if (slave_possible && err != 0x81)
-		classes[1] = ata_dev_try_classify(ap, 1, &err);
+		classes[1] = ata_dev_try_classify(&ap->link.device[1],
+						  devmask & (1 << 1), &err);
 
  out:
 	DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]);