diff mbox series

[03/16] iwlwifi: mvm: remove assignment of the reciprocal

Message ID 20181111200732.8159-4-luca@coelho.fi (mailing list archive)
State Accepted
Delegated to: Luca Coelho
Headers show
Series iwlwifi: updates intended for v4.21 2018-11-11 | expand

Commit Message

Luca Coelho Nov. 11, 2018, 8:07 p.m. UTC 
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

The firmware stopped looking at this field long ago.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 .../net/wireless/intel/iwlwifi/fw/api/mac.h   | 27 +++++++------------
 .../net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 12 ---------
 2 files changed, 10 insertions(+), 29 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h b/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h
index 1dd23f846fb9..d0b79fb461bf 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h
@@ -151,9 +151,9 @@  enum iwl_tsf_id {
  * @beacon_time: beacon transmit time in system time
  * @beacon_tsf: beacon transmit time in TSF
  * @bi: beacon interval in TU
- * @bi_reciprocal: 2^32 / bi
+ * @reserved1: reserved
  * @dtim_interval: dtim transmit time in TU
- * @dtim_reciprocal: 2^32 / dtim_interval
+ * @reserved2: reserved
  * @mcast_qid: queue ID for multicast traffic.
  *	NOTE: obsolete from VER2 and on
  * @beacon_template: beacon template ID
@@ -162,9 +162,9 @@  struct iwl_mac_data_ap {
 	__le32 beacon_time;
 	__le64 beacon_tsf;
 	__le32 bi;
-	__le32 bi_reciprocal;
+	__le32 reserved1;
 	__le32 dtim_interval;
-	__le32 dtim_reciprocal;
+	__le32 reserved2;
 	__le32 mcast_qid;
 	__le32 beacon_template;
 } __packed; /* AP_MAC_DATA_API_S_VER_2 */
@@ -174,14 +174,14 @@  struct iwl_mac_data_ap {
  * @beacon_time: beacon transmit time in system time
  * @beacon_tsf: beacon transmit time in TSF
  * @bi: beacon interval in TU
- * @bi_reciprocal: 2^32 / bi
+ * @reserved: reserved
  * @beacon_template: beacon template ID
  */
 struct iwl_mac_data_ibss {
 	__le32 beacon_time;
 	__le64 beacon_tsf;
 	__le32 bi;
-	__le32 bi_reciprocal;
+	__le32 reserved;
 	__le32 beacon_template;
 } __packed; /* IBSS_MAC_DATA_API_S_VER_1 */
 
@@ -191,9 +191,9 @@  struct iwl_mac_data_ibss {
  * @dtim_time: DTIM arrival time in system time
  * @dtim_tsf: DTIM arrival time in TSF
  * @bi: beacon interval in TU, applicable only when associated
- * @bi_reciprocal: 2^32 / bi , applicable only when associated
+ * @reserved1: reserved
  * @dtim_interval: DTIM interval in TU, applicable only when associated
- * @dtim_reciprocal: 2^32 / dtim_interval , applicable only when associated
+ * @reserved2: reserved
  * @listen_interval: in beacon intervals, applicable only when associated
  * @assoc_id: unique ID assigned by the AP during association
  * @assoc_beacon_arrive_time: TSF of first beacon after association
@@ -203,9 +203,9 @@  struct iwl_mac_data_sta {
 	__le32 dtim_time;
 	__le64 dtim_tsf;
 	__le32 bi;
-	__le32 bi_reciprocal;
+	__le32 reserved1;
 	__le32 dtim_interval;
-	__le32 dtim_reciprocal;
+	__le32 reserved2;
 	__le32 listen_interval;
 	__le32 assoc_id;
 	__le32 assoc_beacon_arrive_time;
@@ -378,13 +378,6 @@  struct iwl_mac_ctx_cmd {
 	};
 } __packed; /* MAC_CONTEXT_CMD_API_S_VER_1 */
 
-static inline u32 iwl_mvm_reciprocal(u32 v)
-{
-	if (!v)
-		return 0;
-	return 0xFFFFFFFF / v;
-}
-
 #define IWL_NONQOS_SEQ_GET	0x1
 #define IWL_NONQOS_SEQ_SET	0x2
 struct iwl_nonqos_seq_query_cmd {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index b9c45a40e251..3b93293d4559 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -767,13 +767,8 @@  static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm,
 	}
 
 	ctxt_sta->bi = cpu_to_le32(vif->bss_conf.beacon_int);
-	ctxt_sta->bi_reciprocal =
-		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int));
 	ctxt_sta->dtim_interval = cpu_to_le32(vif->bss_conf.beacon_int *
 					      vif->bss_conf.dtim_period);
-	ctxt_sta->dtim_reciprocal =
-		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int *
-					       vif->bss_conf.dtim_period));
 
 	ctxt_sta->listen_interval = cpu_to_le32(mvm->hw->conf.listen_interval);
 	ctxt_sta->assoc_id = cpu_to_le32(vif->bss_conf.aid);
@@ -832,8 +827,6 @@  static int iwl_mvm_mac_ctxt_cmd_ibss(struct iwl_mvm *mvm,
 
 	/* cmd.ibss.beacon_time/cmd.ibss.beacon_tsf are curently ignored */
 	cmd.ibss.bi = cpu_to_le32(vif->bss_conf.beacon_int);
-	cmd.ibss.bi_reciprocal =
-		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int));
 
 	/* TODO: Assumes that the beacon id == mac context id */
 	cmd.ibss.beacon_template = cpu_to_le32(mvmvif->id);
@@ -1180,13 +1173,8 @@  static void iwl_mvm_mac_ctxt_cmd_fill_ap(struct iwl_mvm *mvm,
 	}
 
 	ctxt_ap->bi = cpu_to_le32(vif->bss_conf.beacon_int);
-	ctxt_ap->bi_reciprocal =
-		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int));
 	ctxt_ap->dtim_interval = cpu_to_le32(vif->bss_conf.beacon_int *
 					     vif->bss_conf.dtim_period);
-	ctxt_ap->dtim_reciprocal =
-		cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int *
-					       vif->bss_conf.dtim_period));
 
 	if (!fw_has_api(&mvm->fw->ucode_capa,
 			IWL_UCODE_TLV_API_STA_TYPE))