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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>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2007-10-11 23:54:01 +02:00
parent 90986028c9
commit 0d3be723cb
1 changed files with 4 additions and 7 deletions
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11
drivers/ide/pci/sis5513.c
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@ -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 @@ static int sis5513_tune_chipset(ide_drive_t *drive, const u8 speed)
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 @@ static int sis5513_tune_chipset(ide_drive_t *drive, const u8 speed)
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;