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authorLinus Torvalds <torvalds@g5.osdl.org>2006-05-24 08:36:31 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-05-24 08:36:31 -0700
commit278654541017bc93befe3570edeabd5d9e95e4ea (patch)
tree80a6809294155a450ce8105f02847414179e07be
parentb8bba261e05bce1712231060f296001ddf8250ab (diff)
parentbb31a8faa270beafcc51a65880c5564c6b718bd6 (diff)
downloadlinux-2.6.38-lt-ux500-278654541017bc93befe3570edeabd5d9e95e4ea.tar.gz
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)
-rw-r--r--drivers/scsi/libata-core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 823dfa78c0b..fa476e7e0a4 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;