svn commit: r354507 - head/sys/dev/iwm

[Mark Johnston]

Author: markj
Date: Thu Nov  7 23:36:46 2019
New Revision: 354507
URL: https://svnweb.freebsd.org/changeset/base/354507

Log:
  iwm: Enable all 31 tx queues.
  
  For now iwm only ever uses queue 0 and the management queue, but my 9560
  raises a software error interrupt during initialization if this flag is
  not set.  iwlwifi sets it for all 7000- and 8000-series hardware, so we
  might as well do it unconditionally.
  
  MFC after:	2 weeks
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/dev/iwm/if_iwm.c

Modified: head/sys/dev/iwm/if_iwm.c
==============================================================================
--- head/sys/dev/iwm/if_iwm.c	Thu Nov  7 23:36:25 2019	(r354506)
+++ head/sys/dev/iwm/if_iwm.c	Thu Nov  7 23:36:46 2019	(r354507)
@@ -1468,7 +1468,9 @@ iwm_nic_tx_init(struct iwm_softc *sc)
 		    (unsigned long) (txq->desc_dma.paddr >> 8));
 	}
 
-	iwm_write_prph(sc, IWM_SCD_GP_CTRL, IWM_SCD_GP_CTRL_AUTO_ACTIVE_MODE);
+	iwm_set_bits_prph(sc, IWM_SCD_GP_CTRL,
+	    IWM_SCD_GP_CTRL_AUTO_ACTIVE_MODE |
+	    IWM_SCD_GP_CTRL_ENABLE_31_QUEUES);
 
 	iwm_nic_unlock(sc);