提交 9adf768a 编写于 作者: B Bartlomiej Zolnierkiewicz

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: NSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
上级 238e4f14
/*
* 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;
......
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