libata fix

PATCH New Jeff Garzik 1 participant 1 message Aug 3, 2006

Subsystems (2)

SCSI libata

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Jeff Garzik

author

2006-08-03 21:57 UTC #0 lore raw

PATCH 1/1 libata fix

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

to receive the following updates:

 drivers/scsi/ahci.c |   10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

Unicorn Chang:
ahci: skip protocol test altogether in spurious interrupt code

drivers/scsi/ahci.c +2 -8

index 77e7202..904c25f 100644
@@ -940,14 +940,8 @@ static void ahci_host_intr(struct ata_po
 		return;
 
 	/* ignore interim PIO setup fis interrupts */
-	if (ata_tag_valid(ap->active_tag)) {
-		struct ata_queued_cmd *qc =
-			ata_qc_from_tag(ap, ap->active_tag);
-
-		if (qc && qc->tf.protocol == ATA_PROT_PIO &&
-		    (status & PORT_IRQ_PIOS_FIS))
-			return;
-	}
+	if (ata_tag_valid(ap->active_tag) && (status & PORT_IRQ_PIOS_FIS)) 
+		return;
 
 	if (ata_ratelimit())
 		ata_port_printk(ap, KERN_INFO, "spurious interrupt "