Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  [PATCH] libata: add pio flush for via atapi (was: Re: TR: ASUS A8V Deluxe, x86_64)

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 823dfa78c0ba..fa476e7e0a48 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -3643,6 +3643,8 @@ static void ata_pio_block(struct ata_port *ap)
 
                 ata_pio_sector(qc);
         }
+
+        ata_altstatus(ap); /* flush */
 }
 
 static void ata_pio_error(struct ata_port *ap)
@@ -3759,11 +3761,14 @@ static void atapi_packet_task(void *_data)
                 spin_lock_irqsave(&ap->host_set->lock, flags);
                 ap->flags &= ~ATA_FLAG_NOINTR;
                 ata_data_xfer(ap, qc->cdb, qc->dev->cdb_len, 1);
+                ata_altstatus(ap); /* flush */
+
                 if (qc->tf.protocol == ATA_PROT_ATAPI_DMA)
                         ap->ops->bmdma_start(qc);       /* initiate bmdma */
                 spin_unlock_irqrestore(&ap->host_set->lock, flags);
         } else {
                 ata_data_xfer(ap, qc->cdb, qc->dev->cdb_len, 1);
+                ata_altstatus(ap); /* flush */
 
                 /* PIO commands are handled by polling */
                 ap->hsm_task_state = HSM_ST;