Commit 0d3be723 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
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sis5513: don't change UDMA settings when programming PIO 



Acked-by: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 90986028

drivers/ide/pci/sis5513.c

+4 −7
Original line number Diff line number Diff line 
/*

 * 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;