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authorJohn Crispin <john@phrozen.org>2018-08-02 08:44:29 +0200
committerJohn Crispin <john@phrozen.org>2018-09-26 16:35:33 +0200
commitd9eefa7a7031543571d434693c7f984dfbdc990d (patch)
tree73ac027ccf6cdb6fd209a83e7e25c3d0472d46b4 /package/kernel/mac80211/patches/ath/356-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch
parente9d92bf1e1af71ff19e4cdc753de3f65963c58a5 (diff)
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mac80211: rebase ontop of v4.18.5
Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'package/kernel/mac80211/patches/ath/356-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch')
-rw-r--r--package/kernel/mac80211/patches/ath/356-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/ath/356-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch b/package/kernel/mac80211/patches/ath/356-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch
new file mode 100644
index 0000000000..35d07430eb
--- /dev/null
+++ b/package/kernel/mac80211/patches/ath/356-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch
@@ -0,0 +1,37 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Sat, 14 May 2016 14:51:02 +0200
+Subject: [PATCH] Revert "ath9k: interpret requested txpower in EIRP
+ domain"
+
+This reverts commit 71f5137bf010c6faffab50c0ec15374c59c4a411.
+---
+
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -2935,7 +2935,8 @@ void ath9k_hw_apply_txpower(struct ath_h
+ {
+ struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
+ struct ieee80211_channel *channel;
+- int chan_pwr, new_pwr;
++ int chan_pwr, new_pwr, max_gain;
++ int ant_gain, ant_reduction = 0;
+
+ if (!chan)
+ return;
+@@ -2943,10 +2944,15 @@ void ath9k_hw_apply_txpower(struct ath_h
+ channel = chan->chan;
+ chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
+ new_pwr = min_t(int, chan_pwr, reg->power_limit);
++ max_gain = chan_pwr - new_pwr + channel->max_antenna_gain * 2;
++
++ ant_gain = get_antenna_gain(ah, chan);
++ if (ant_gain > max_gain)
++ ant_reduction = ant_gain - max_gain;
+
+ ah->eep_ops->set_txpower(ah, chan,
+ ath9k_regd_get_ctl(reg, chan),
+- get_antenna_gain(ah, chan), new_pwr, test);
++ ant_reduction, new_pwr, test);
+ }
+
+ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test)