ath5k: do not stop the hardware queues during PAPD calibration, speeds up calibration

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30623 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/440-ath5k_calibrate_no_queue_stop.patch b/package/mac80211/patches/440-ath5k_calibrate_no_queue_stop.patch
new file mode 100644 (file)
index 0000000..3751c53
--- /dev/null
+++ b/package/mac80211/patches/440-ath5k_calibrate_no_queue_stop.patch
@@ -0,0 +1,31 @@
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -2330,15 +2330,6 @@ ath5k_calibrate_work(struct work_struct 
+                                       "got new rfgain, resetting\n");
+                       ieee80211_queue_work(ah->hw, &ah->reset_work);
+               }
+-
+-              /* TODO: On full calibration we should stop TX here,
+-               * so that it doesn't interfere (mostly due to gain_f
+-               * calibration that messes with tx packets -see phy.c).
+-               *
+-               * NOTE: Stopping the queues from above is not enough
+-               * to stop TX but saves us from disconecting (at least
+-               * we don't lose packets). */
+-              ieee80211_stop_queues(ah->hw);
+       } else
+               ah->ah_cal_mask |= AR5K_CALIBRATION_SHORT;
+ 
+@@ -2353,10 +2344,9 @@ ath5k_calibrate_work(struct work_struct 
+                               ah->curchan->center_freq));
+ 
+       /* Clear calibration flags */
+-      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
+-              ieee80211_wake_queues(ah->hw);
++      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL)
+               ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL;
+-      } else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
++      else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
+               ah->ah_cal_mask &= ~AR5K_CALIBRATION_SHORT;
+ }
+