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authorAlbert Lee <albertcc@tw.ibm.com>2005-09-27 17:39:50 +0800
committerJeff Garzik <jgarzik@pobox.com>2005-09-28 12:07:13 -0400
commite50362eccd8809a224cda5f71714a088ba37b2ab (patch)
tree762b753691ef8c4645efaa677b32c57fd33ecbc0 /drivers/scsi/sata_nv.c
parent312f7da2824c82800ee78d6190f12854456957af (diff)
[PATCH] libata: interrupt driven pio for LLD
libata.h: libata-core: Add ATA_FLAG_PIO_POLLING flag for LLDs that expect interrupt for command completion only. sata_nv.c: sata_vsc.c: irq handler is wrapper around ata_host_intr(), can handle PIO interrupts. sata_promise.c: sata_sx4.c: sata_qstor.c: sata_mv.c: Private irq handler. Polling mode ATA_FLAG_PIO_POLLING used for compatibility. Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/scsi/sata_nv.c')
-rw-r--r--drivers/scsi/sata_nv.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c
index c05653c7779..8b7e871ea0b 100644
--- a/drivers/scsi/sata_nv.c
+++ b/drivers/scsi/sata_nv.c
@@ -304,11 +304,11 @@ static irqreturn_t nv_interrupt (int irq, void *dev_instance,
ap = host_set->ports[i];
if (ap &&
- !(ap->flags & (ATA_FLAG_PORT_DISABLED | ATA_FLAG_NOINTR))) {
+ !(ap->flags & ATA_FLAG_PORT_DISABLED)) {
struct ata_queued_cmd *qc;
qc = ata_qc_from_tag(ap, ap->active_tag);
- if (qc && (!(qc->tf.ctl & ATA_NIEN)))
+ if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
handled += ata_host_intr(ap, qc);
}