diff options
author | Unicorn Chang <uchang@tw.ibm.com> | 2006-08-01 00:18:07 -0400 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-08-03 17:34:52 -0400 |
commit | f1d39b291e2263f5e2f2ec5d4061802f76d8ae67 (patch) | |
tree | 29c33d63b3679103459932d43b8818abdcc7d3d5 /drivers/scsi/ahci.c | |
parent | fd60ae404f104f12369e654af9cf03b1f1047661 (diff) |
[PATCH] ahci: skip protocol test altogether in spurious interrupt code
Skip protocol test altogether in spurious interrupt code. If PIOS is received
when it shouldn't, ahci will raise protocol violation.
Signed-off-by: Unicorn Chang <uchang@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/scsi/ahci.c')
-rw-r--r-- | drivers/scsi/ahci.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index 77e7202a0eba..904c25fb4ba4 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c | |||
@@ -940,14 +940,8 @@ static void ahci_host_intr(struct ata_port *ap) | |||
940 | return; | 940 | return; |
941 | 941 | ||
942 | /* ignore interim PIO setup fis interrupts */ | 942 | /* ignore interim PIO setup fis interrupts */ |
943 | if (ata_tag_valid(ap->active_tag)) { | 943 | if (ata_tag_valid(ap->active_tag) && (status & PORT_IRQ_PIOS_FIS)) |
944 | struct ata_queued_cmd *qc = | 944 | return; |
945 | ata_qc_from_tag(ap, ap->active_tag); | ||
946 | |||
947 | if (qc && qc->tf.protocol == ATA_PROT_PIO && | ||
948 | (status & PORT_IRQ_PIOS_FIS)) | ||
949 | return; | ||
950 | } | ||
951 | 945 | ||
952 | if (ata_ratelimit()) | 946 | if (ata_ratelimit()) |
953 | ata_port_printk(ap, KERN_INFO, "spurious interrupt " | 947 | ata_port_printk(ap, KERN_INFO, "spurious interrupt " |