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cmd64x: remove superfluous checks from cmd64x_set_dma_mode()

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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2010-01-18 07:18:38 +00:00 committed by David S. Miller
parent 60349ab99f
commit 22cabc2619
1 changed files with 3 additions and 6 deletions
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9
drivers/ide/cmd64x.c
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@ -146,10 +146,8 @@ static void cmd64x_set_dma_mode(ide_drive_t *drive, const u8 speed)
u8 unit = drive->dn & 0x01;
u8 regU = 0, pciU = hwif->channel ? UDIDETCR1 : UDIDETCR0;
if (speed >= XFER_SW_DMA_0) {
(void) pci_read_config_byte(dev, pciU, &regU);
regU &= ~(unit ? 0xCA : 0x35);
}
pci_read_config_byte(dev, pciU, &regU);
regU &= ~(unit ? 0xCA : 0x35);
switch(speed) {
case XFER_UDMA_5:
@ -177,8 +175,7 @@ static void cmd64x_set_dma_mode(ide_drive_t *drive, const u8 speed)
break;
}
if (speed >= XFER_SW_DMA_0)
(void) pci_write_config_byte(dev, pciU, regU);
pci_write_config_byte(dev, pciU, regU);
}
static void cmd648_clear_irq(ide_drive_t *drive)