[PATCH] pdc202xx_old.c: fix PIO autotuning

This fixes bugzilla bug #1431.

Always tune controller PIO timings.  This fixes lockup during PIO access
(ie. 'cat /proc/ide/hda/identify') when Promise BIOS is disabled.

drivers/ide/pci/pdc202xx_old.c

@@ -757,10 +757,7 @@ static void __init init_hwif_pdc202xx (ide_hwif_t *hwif)
 
 	hwif->speedproc = &pdc202xx_tune_chipset;
 
-	if (!hwif->dma_base) {
 	hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
-		return;
-	}
 
 	hwif->ultra_mask = 0x3f;
 	hwif->mwdma_mask = 0x07;