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| author | Albert Lee <albertcc@tw.ibm.com> | 2006-05-22 11:43:46 +0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-05-24 01:43:53 -0400 |
| commit | bb31a8faa270beafcc51a65880c5564c6b718bd6 (patch) | |
| tree | 6ca5371bbaa53f0ada68f5adda9e3321319ae68b | |
| parent | 387e2b0439026aa738a9edca15a57e5c0bcb4dfc (diff) | |
| download | lwn-bb31a8faa270beafcc51a65880c5564c6b718bd6.tar.gz lwn-bb31a8faa270beafcc51a65880c5564c6b718bd6.zip | |
[PATCH] libata: add pio flush for via atapi (was: Re: TR: ASUS A8V Deluxe, x86_64)
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>
| -rw-r--r-- | drivers/scsi/libata-core.c | 5 |
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; |