Currently, iwm(4) uses only one phy context, so stop sending commands to the

firmware for unused ones. This should be refactored further, but for now this
change is good enough to reduce the amount of commands we throw at the firmware.
ok deraadt@

diff --git a/sys/dev/pci/if_iwm.c b/sys/dev/pci/if_iwm.c
index 71145d8..cc4fcf4 100644 (file)
--- a/sys/dev/pci/if_iwm.c
+++ b/sys/dev/pci/if_iwm.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_iwm.c,v 1.195 2017/06/14 16:57:47 stsp Exp $       */
+/*     $OpenBSD: if_iwm.c,v 1.196 2017/06/14 16:58:28 stsp Exp $       */
 
 /*
  * Copyright (c) 2014, 2016 genua gmbh <info@genua.de>
@@ -6006,7 +6006,7 @@ iwm_init_hw(struct iwm_softc *sc)
                goto err;
        }
 
-       for (i = 0; i < IWM_NUM_PHY_CTX; i++) {
+       for (i = 0; i < 1; i++) {
                /*
                 * The channel used here isn't relevant as it's
                 * going to be overwritten in the other flows.