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In AHCI_IRQ_MODE_AFTER mode do not clear interrupts below.

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This is probably a NOP change since IS register is not activery used for
interrupts below the shared, but it looked odd to clear interrupts we did
not handle.
This commit is contained in:
Alexander Motin 2016-07-17 12:45:58 +00:00
parent eaf4f6fe69
commit e50f405eca
1 changed files with 1 additions and 0 deletions
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sys/dev/ahci/ahci.c
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@ -466,6 +466,7 @@ ahci_intr(void *data)
} else { /* AHCI_IRQ_MODE_AFTER */
unit = irq->r_irq_rid - 1;
is = ATA_INL(ctlr->r_mem, AHCI_IS);
is &= (0xffffffff << unit);
}
/* CCC interrupt is edge triggered. */
if (ctlr->ccc)