Revert "ide: try to use PIO Mode 0 during probe if possible"

This reverts commit 6029336426a2b43e4bc6f4a84be8789a047d139e.

Based upon a report by David Fries, wherein his system hangs
on bootup with sis5513 controller, right after the CDROM
is registered by ide-cd.c and the TOC is first read.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 63c53d6..4d76ba4 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1046,15 +1046,6 @@
 		if (port_ops && port_ops->init_dev)
 			port_ops->init_dev(drive);
 	}
-
-	ide_port_for_each_dev(i, drive, hwif) {
-		/*
-		 * default to PIO Mode 0 before we figure out
-		 * the most suited mode for the attached device
-		 */
-		if (port_ops && port_ops->set_pio_mode)
-			port_ops->set_pio_mode(drive, 0);
-	}
 }
 
 static void ide_init_port(ide_hwif_t *hwif, unsigned int port,