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-rw-r--r--sys/dev/ahci/ahci.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/dev/ahci/ahci.c b/sys/dev/ahci/ahci.c
index cfbe43b..ca7b057 100644
--- a/sys/dev/ahci/ahci.c
+++ b/sys/dev/ahci/ahci.c
@@ -570,6 +570,12 @@ ahci_setup_interrupt(device_t dev)
device_printf(dev, "unable to setup interrupt\n");
return ENXIO;
}
+ if (ctlr->numirqs > 1) {
+ bus_describe_intr(dev, ctlr->irqs[i].r_irq,
+ ctlr->irqs[i].handle,
+ ctlr->irqs[i].mode == AHCI_IRQ_MODE_ONE ?
+ "ch%d" : "%d", i);
+ }
}
return (0);
}
@@ -622,8 +628,14 @@ ahci_intr_one(void *data)
int unit;
unit = irq->r_irq_rid - 1;
+ /* Some controllers have edge triggered IS. */
+ if (ctlr->quirks & AHCI_Q_EDGEIS)
+ ATA_OUTL(ctlr->r_mem, AHCI_IS, 1 << unit);
if ((arg = ctlr->interrupt[unit].argument))
ctlr->interrupt[unit].function(arg);
+ /* AHCI declares level triggered IS. */
+ if (!(ctlr->quirks & AHCI_Q_EDGEIS))
+ ATA_OUTL(ctlr->r_mem, AHCI_IS, 1 << unit);
}
static struct resource *
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