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authorLinus Torvalds <torvalds@g5.osdl.org>2006-08-03 17:33:59 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-08-03 17:33:59 -0700
commitefe78cda3596f8a6d1c2d4a6b1a221bafa3e1a48 (patch)
tree648069535ac84fe2d4788fd6ba601581d175f3c8 /drivers
parent8861e98115f185d9946d92deaee6c3639ef8d414 (diff)
parentf1d39b291e2263f5e2f2ec5d4061802f76d8ae67 (diff)
downloadop-kernel-dev-efe78cda3596f8a6d1c2d4a6b1a221bafa3e1a48.zip
op-kernel-dev-efe78cda3596f8a6d1c2d4a6b1a221bafa3e1a48.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] ahci: skip protocol test altogether in spurious interrupt code
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/ahci.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 77e7202a..904c25f 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -940,14 +940,8 @@ static void ahci_host_intr(struct ata_port *ap)
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 "
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