sis5513: don't change UDMA settings when programming PIO
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 7455bf3..3a8cb14 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -1,5 +1,5 @@
/*
- * linux/drivers/ide/pci/sis5513.c Version 0.26 Jul 7, 2007
+ * linux/drivers/ide/pci/sis5513.c Version 0.27 Jul 14, 2007
*
* Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2002 Lionel Bouton <Lionel.Bouton@inet6.fr>, Maintainer
@@ -537,6 +537,9 @@
u32 regdw;
u8 drive_pci, reg;
+ if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4)
+ return sis5513_tune_drive(drive, speed - XFER_PIO_0);
+
/* See config_art_rwp_pio for drive pci config registers */
drive_pci = 0x40;
if (chipset_family >= ATA_133) {
@@ -601,12 +604,6 @@
case XFER_SW_DMA_1:
case XFER_SW_DMA_0:
break;
- case XFER_PIO_4:
- case XFER_PIO_3:
- case XFER_PIO_2:
- case XFER_PIO_1:
- case XFER_PIO_0:
- return sis5513_tune_drive(drive, speed - XFER_PIO_0);
default:
BUG();
break;