ath9k: disable TPC support for now until bugs have been found and fixed

SVN-Revision: 44768

diff --git a/package/kernel/mac80211/patches/309-ath9k-disable-TPC-support-again-for-now.patch b/package/kernel/mac80211/patches/309-ath9k-disable-TPC-support-again-for-now.patch
new file mode 100644 (file)
index 0000000..945fbce
--- /dev/null
+++ b/package/kernel/mac80211/patches/309-ath9k-disable-TPC-support-again-for-now.patch
@@ -0,0 +1,22 @@
+From: Felix Fietkau <nbd@openwrt.org>
+Date: Sun, 15 Mar 2015 08:02:37 +0100
+Subject: [PATCH] ath9k: disable TPC support again (for now)
+
+TPC support has been observed to cause some tx power fluctuations on
+some devices with at least AR934x and AR938x chips.
+Disable it for now until the bugs have been found and fixed
+
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -424,7 +424,7 @@ static void ath9k_hw_init_defaults(struc
+       ah->power_mode = ATH9K_PM_UNDEFINED;
+       ah->htc_reset_init = true;
+ 
+-      ah->tpc_enabled = true;
++      ah->tpc_enabled = false;
+ 
+       ah->ani_function = ATH9K_ANI_ALL;
+       if (!AR_SREV_9300_20_OR_LATER(ah))