Commit 71ef51cc authored by Jens Axboe's avatar Jens Axboe
Browse files

[PATCH] it821x: fix ide dma setup bug



Only enable dma for a valid speed setting.
Signed-off-by: default avatarJens Axboe <axboe@suse.de>
parent 0a8348d0
......@@ -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;
}
/**
......
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