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[PATCH] libata: add pio flush for via atapi (was: Re: TR: ASUS A8V Deluxe, x86_64)

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Backport the "pio flush" from the libata major update to 2.6.17 for via atapi.

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Albert Lee 2006-05-22 11:43:46 +08:00 committed by Jeff Garzik
parent 387e2b0439
commit bb31a8faa2
1 changed files with 5 additions and 0 deletions
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5
drivers/scsi/libata-core.c
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@ -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;