svn commit: r302947 - head/sys/dev/ahci
Alexander Motin
mav at FreeBSD.org
Sun Jul 17 12:45:59 UTC 2016
Author: mav
Date: Sun Jul 17 12:45:58 2016
New Revision: 302947
URL: https://svnweb.freebsd.org/changeset/base/302947
Log:
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:
head/sys/dev/ahci/ahci.c
Modified: head/sys/dev/ahci/ahci.c
==============================================================================
--- head/sys/dev/ahci/ahci.c Sun Jul 17 12:31:31 2016 (r302946)
+++ head/sys/dev/ahci/ahci.c Sun Jul 17 12:45:58 2016 (r302947)
@@ -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)
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