提交 efe78cda 编写于 作者: L Linus Torvalds

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
......@@ -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))
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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