Author: mav
Date: Thu Aug 18 11:17:36 2016
New Revision: 304414
URL: https://svnweb.freebsd.org/changeset/base/304414
Log:
MFC r302947: In AHCI_IRQ_MODE_AFTER mode do not clear interrupts below.
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.
Modified:
stable/10/sys/dev/ahci/ahci.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/dev/ahci/ahci.c
==============================================================================
--- stable/10/sys/dev/ahci/ahci.c Thu Aug 18 11:17:01 2016
(r304413)
+++ stable/10/sys/dev/ahci/ahci.c Thu Aug 18 11:17:36 2016
(r304414)
@@ -423,6 +423,7 @@ 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)
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