On Tue, 09 Dec 2008 17:14:04 +0900 Tejun Heo <tj@xxxxxxxxxx> wrote: > IDE hpt366 driver doesn't allow DMA for ATAPI devices and MWDMA2 on > ATAPI device locks up pata_hpt366. Follow the suit. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> > --- > drivers/ata/pata_hpt366.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > Index: work/drivers/ata/pata_hpt366.c > =================================================================== > --- work.orig/drivers/ata/pata_hpt366.c > +++ work/drivers/ata/pata_hpt366.c > @@ -183,7 +183,9 @@ static unsigned long hpt366_filter(struc > mask &= ~(0xF8 << ATA_SHIFT_UDMA); > if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4)) > mask &= ~(0xF0 << ATA_SHIFT_UDMA); > - } > + } else if (adev->class == ATA_DEV_ATAPI) > + mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); Ack this one Alan -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html