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[PATCH] it821x: fix ide dma setup bug

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Only enable dma for a valid speed setting.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe 2006-07-28 09:02:17 +02:00
parent 0a8348d086
commit 71ef51cc17
1 changed files with 8 additions and 3 deletions
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11
drivers/ide/pci/it821x.c
View file

@ -498,9 +498,14 @@ static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, it821x_ratemask(drive));
config_it821x_chipset_for_pio(drive, !speed);
it821x_tune_chipset(drive, speed);
return ide_dma_enable(drive);
if (speed) {
config_it821x_chipset_for_pio(drive, 0);
it821x_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
return 0;
}
/**