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Commit 9adf768a authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
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pdc202xx_old: remove broken SWDMA support 



Documentation doesn't mention SWDMA and moreover all timings used
for SWDMA modes were over-clocked when compared to ATA spec.

Acked-by: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 238e4f14

drivers/ide/pci/pdc202xx_old.c

+1 −5
Original line number Diff line number Diff line 
/*

 *  linux/drivers/ide/pci/pdc202xx_old.c	Version 0.51	Jul 27, 2007

 *  linux/drivers/ide/pci/pdc202xx_old.c	Version 0.52	Aug 27, 2007

 *

 *  Copyright (C) 1998-2002		Andre Hedrick <andre@linux-ide.org>

 *  Copyright (C) 2006-2007		MontaVista Software, Inc.
@@ -97,9 +97,6 @@ static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) 
		case XFER_MW_DMA_2:	TB = 0x60; TC = 0x03; break;

		case XFER_MW_DMA_1:	TB = 0x60; TC = 0x04; break;

		case XFER_MW_DMA_0:	TB = 0xE0; TC = 0x0F; break;

		case XFER_SW_DMA_2:	TB = 0x60; TC = 0x05; break;

		case XFER_SW_DMA_1:	TB = 0x80; TC = 0x06; break;

		case XFER_SW_DMA_0:	TB = 0xC0; TC = 0x0B; break;

		case XFER_PIO_4:	TA = 0x01; TB = 0x04; break;

		case XFER_PIO_3:	TA = 0x02; TB = 0x06; break;

		case XFER_PIO_2:	TA = 0x03; TB = 0x08; break;
@@ -329,7 +326,6 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif) 


	hwif->ultra_mask = hwif->cds->udma_mask;

	hwif->mwdma_mask = 0x07;

	hwif->swdma_mask = 0x07;



	hwif->dma_lost_irq = &pdc202xx_dma_lost_irq;

	hwif->dma_timeout = &pdc202xx_dma_timeout;