Re: sata_nv times out for BD-ROM iHOS104-08

[Tejun Heo]

On 02/21/2010 04:11 AM, Cengiz GÃnay wrote:
>> Does the attached patch make any difference?
> 
> Not that I can tell. I still get an infinite loop of ata4 errors. I
> attached a full dmesg output with the patch. Note that I have both the
> patches disable-clear-ua and drain-from-atapi-pio-bytes applied at the
> same time.

Hmmm... So, DRQ gets cleared?  That's strange.  When then the 18 extra
bytes happen?  Can you please try this one?

-- 
tejun
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 0c82d33..ae63b0b 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -585,7 +585,7 @@ static const struct ata_port_info nv_port_info[] = {
 	/* SWNCQ */
 	{
 		.flags	        = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				  ATA_FLAG_NCQ,
+				  ATA_FLAG_NCQ | ATA_FLAG_PIO_POLLING,
 		.pio_mask	= NV_PIO_MASK,
 		.mwdma_mask	= NV_MWDMA_MASK,
 		.udma_mask	= NV_UDMA_MASK,