ath9k: rework tx power handling - display the correct *current* tx power, and also fix tx power limits with ATH_USER_REGD set

SVN-Revision: 27788

1 files changed, 83 insertions, 0 deletions

diff --git a/package/mac80211/patches/593-ath9k_fix_rate_power.patch b/package/mac80211/patches/593-ath9k_fix_rate_power.patch
new file mode 100644
index 0000000..fc79d5f
--- /dev/null
+++ b/package/mac80211/patches/593-ath9k_fix_rate_power.patch
@@ -0,0 +1,83 @@
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+@@ -4922,25 +4922,7 @@ static void ath9k_hw_ar9300_set_txpower(
+ 			"TPC[%02d] 0x%08x\n", i, targetPowerValT2[i]);
+ 	}
+ 
+-	/*
+-	 * This is the TX power we send back to driver core,
+-	 * and it can use to pass to userspace to display our
+-	 * currently configured TX power setting.
+-	 *
+-	 * Since power is rate dependent, use one of the indices
+-	 * from the AR9300_Rates enum to select an entry from
+-	 * targetPowerValT2[] to report. Currently returns the
+-	 * power for HT40 MCS 0, HT20 MCS 0, or OFDM 6 Mbps
+-	 * as CCK power is less interesting (?).
+-	 */
+-	i = ALL_TARGET_LEGACY_6_24; /* legacy */
+-	if (IS_CHAN_HT40(chan))
+-		i = ALL_TARGET_HT40_0_8_16; /* ht40 */
+-	else if (IS_CHAN_HT20(chan))
+-		i = ALL_TARGET_HT20_0_8_16; /* ht20 */
+-
+-	ah->txpower_limit = targetPowerValT2[i];
+-	regulatory->max_power_level = targetPowerValT2[i];
++	ah->txpower_limit = regulatory->max_power_level;
+ 
+ 	/* Write target power array to registers */
+ 	ar9003_hw_tx_power_regwrite(ah, targetPowerValT2);
+--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
++++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+@@ -609,15 +609,6 @@ static void ath9k_hw_4k_set_txpower(stru
+ 	if (test)
+ 	    return;
+ 
+-	/* Update regulatory */
+-	i = rate6mb;
+-	if (IS_CHAN_HT40(chan))
+-		i = rateHt40_0;
+-	else if (IS_CHAN_HT20(chan))
+-		i = rateHt20_0;
+-
+-	regulatory->max_power_level = ratesArray[i];
+-
+ 	if (AR_SREV_9280_20_OR_LATER(ah)) {
+ 		for (i = 0; i < Ar5416RateSize; i++)
+ 			ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
+--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
++++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+@@ -748,13 +748,6 @@ static void ath9k_hw_ar9287_set_txpower(
+ 	if (test)
+ 		return;
+ 
+-	if (IS_CHAN_2GHZ(chan))
+-		i = rate1l;
+-	else
+-		i = rate6mb;
+-
+-	regulatory->max_power_level = ratesArray[i];
+-
+ 	if (AR_SREV_9280_20_OR_LATER(ah)) {
+ 		for (i = 0; i < Ar5416RateSize; i++)
+ 			ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
+--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
++++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
+@@ -1169,17 +1169,6 @@ static void ath9k_hw_def_set_txpower(str
+ 			regulatory->max_power_level = ratesArray[i];
+ 	}
+ 
+-	if (!test) {
+-		i = rate6mb;
+-
+-		if (IS_CHAN_HT40(chan))
+-			i = rateHt40_0;
+-		else if (IS_CHAN_HT20(chan))
+-			i = rateHt20_0;
+-
+-		regulatory->max_power_level = ratesArray[i];
+-	}
+-
+ 	switch(ar5416_get_ntxchains(ah->txchainmask)) {
+ 	case 1:
+ 		break;