diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index d9c4fd1ae996..09a7aedf63ac 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/serverworks.c		Version 0.11	Jun 2 2007
+ * linux/drivers/ide/pci/serverworks.c		Version 0.20	Jun 3 2007
  *
  * Copyright (C) 1998-2000 Michel Aubry
  * Copyright (C) 1998-2000 Andrzej Krzysztofowicz
@@ -151,84 +151,11 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
 	if(dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4 &&
 		drive->media == ide_disk && speed >= XFER_UDMA_0)
 			BUG();
-			
-	pci_read_config_byte(dev, drive_pci[drive->dn], &pio_timing);
-	pci_read_config_byte(dev, drive_pci2[drive->dn], &dma_timing);
+
 	pci_read_config_byte(dev, (0x56|hwif->channel), &ultra_timing);
 	pci_read_config_word(dev, 0x4A, &csb5_pio);
 	pci_read_config_byte(dev, 0x54, &ultra_enable);
 
-	/* If we are in RAID mode (eg AMI MegaIDE) then we can't it
-	   turns out trust the firmware configuration */
-
-	if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE)
-		goto oem_setup_failed;
-
-	/* Per Specified Design by OEM, and ASIC Architect */
-	if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
-	    (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) {
-		if (!drive->init_speed) {
-			u8 dma_stat = inb(hwif->dma_status);
-
-			if (((ultra_enable << (7-drive->dn) & 0x80) == 0x80) &&
-			    ((dma_stat & (1<<(5+unit))) == (1<<(5+unit)))) {
-				drive->current_speed = drive->init_speed = XFER_UDMA_0 + udma_modes[(ultra_timing >> (4*unit)) & ~(0xF0)];
-				return 0;
-			} else if ((dma_timing) &&
-				   ((dma_stat&(1<<(5+unit)))==(1<<(5+unit)))) {
-				u8 dmaspeed;
-
-				switch (dma_timing & 0x77) {
-				case 0x20:
-					dmaspeed = XFER_MW_DMA_2;
-					break;
-				case 0x21:
-					dmaspeed = XFER_MW_DMA_1;
-					break;
-				case 0x77:
-					dmaspeed = XFER_MW_DMA_0;
-					break;
-				default:
-					goto dma_pio;
-				}
-
-				drive->current_speed = drive->init_speed = dmaspeed;
-				return 0;
-			}
-dma_pio:
-			if (pio_timing) {
-				u8 piospeed;
-
-				switch (pio_timing & 0x7f) {
-				case 0x20:
-					piospeed = XFER_PIO_4;
-					break;
-				case 0x22:
-					piospeed = XFER_PIO_3;
-					break;
-				case 0x34:
-					piospeed = XFER_PIO_2;
-					break;
-				case 0x47:
-					piospeed = XFER_PIO_1;
-					break;
-				case 0x5d:
-					piospeed = XFER_PIO_0;
-					break;
-				default:
-					goto oem_setup_failed;
-				}
-
-				drive->current_speed = drive->init_speed = piospeed;
-				return 0;
-			}
-		}
-	}
-
-oem_setup_failed:
-
-	pio_timing	= 0;
-	dma_timing	= 0;
 	ultra_timing	&= ~(0x0F << (4*unit));
 	ultra_enable	&= ~(0x01 << drive->dn);
 	csb5_pio	&= ~(0x0F << (4*drive->dn));