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[RFC 05/10] ath9k: do not overwrite ack timeout estimation

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Do not overwrite ack timeout estimation in ath9k_hw_init_global_settings() if
dynack processing is enabled

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@xxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/hw.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 9a6b113..d9406ba 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1055,6 +1055,14 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
 		ctstimeout += 48 - sifstime - ah->slottime;
 	}
 
+	if (!ah->dynack.fix_to) {
+		acktimeout = ah->dynack.ackto;
+		ctstimeout = acktimeout;
+		slottime = (acktimeout - 3) / 2;
+	} else {
+		ah->dynack.ackto = acktimeout;
+	}
+
 	ath9k_hw_set_sifs_time(ah, sifstime);
 	ath9k_hw_setslottime(ah, slottime);
 	ath9k_hw_set_ack_timeout(ah, acktimeout);
-- 
1.9.1

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