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);
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