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iwlwifi: wipe out the status of the SCD when we disable a queue

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When we disable a queue, we don't want the SCD to remember anything
about this queue (what packet was transmitted but not acked, what
packed was acked etc...).
Wipe out all this data in its SRAM.

Constify the arguments to iwl_write_targ_mem_dwords on the way.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach
2012-09-30 16:25:43 +02:00
committed by Johannes Berg
parent 26c7af7cad
commit 986ea6c9e3
4 changed files with 12 additions and 3 deletions
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3
drivers/net/wireless/iwlwifi/iwl-prph.h
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@@ -213,6 +213,9 @@
#define SCD_CONTEXT_QUEUE_OFFSET(x)\
(SCD_CONTEXT_MEM_LOWER_BOUND + ((x) * 8))
#define SCD_TX_STTS_QUEUE_OFFSET(x)\
(SCD_TX_STTS_MEM_LOWER_BOUND + ((x) * 16))
#define SCD_TRANS_TBL_OFFSET_QUEUE(x) \
((SCD_TRANS_TBL_MEM_LOWER_BOUND + ((x) * 2)) & 0xfffc)