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[PATCH] it821x: fix ide dma setup bug
Only enable dma for a valid speed setting. Signed-off-by: Jens Axboe <axboe@suse.de>
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1 changed files with 8 additions and 3 deletions
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@ -498,9 +498,14 @@ static int config_chipset_for_dma (ide_drive_t *drive)
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{
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u8 speed = ide_dma_speed(drive, it821x_ratemask(drive));
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config_it821x_chipset_for_pio(drive, !speed);
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it821x_tune_chipset(drive, speed);
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return ide_dma_enable(drive);
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if (speed) {
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config_it821x_chipset_for_pio(drive, 0);
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it821x_tune_chipset(drive, speed);
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return ide_dma_enable(drive);
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}
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return 0;
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}
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/**
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