svn commit: r302946 - head/sys/dev/ahci

[Alexander Motin]

Author: mav
Date: Sun Jul 17 12:31:31 2016
New Revision: 302946
URL: https://svnweb.freebsd.org/changeset/base/302946

Log:
  Do not consider the last interrupt shared if there are enough interrupts
  for all channels.

Modified:
  head/sys/dev/ahci/ahci.c

Modified: head/sys/dev/ahci/ahci.c
==============================================================================
--- head/sys/dev/ahci/ahci.c	Sun Jul 17 11:43:27 2016	(r302945)
+++ head/sys/dev/ahci/ahci.c	Sun Jul 17 12:31:31 2016	(r302946)
@@ -416,7 +416,8 @@ ahci_setup_interrupt(device_t dev)
 		else if (ctlr->numirqs == 1 || i >= ctlr->channels ||
 		    (ctlr->ccc && i == ctlr->cccv))
 			ctlr->irqs[i].mode = AHCI_IRQ_MODE_ALL;
-		else if (i == ctlr->numirqs - 1)
+		else if (ctlr->channels > ctlr->numirqs &&
+		    i == ctlr->numirqs - 1)
 			ctlr->irqs[i].mode = AHCI_IRQ_MODE_AFTER;
 		else
 			ctlr->irqs[i].mode = AHCI_IRQ_MODE_ONE;