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ath9k: fix PA predistortion training, fixes hang issues and most likely also fixes #12073

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33278 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2012-08-27 11:10:36 +00:00
parent 2cc87d4e87
commit f35d1440f0
1 changed files with 58 additions and 0 deletions
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58
package/mac80211/patches/575-ath9k_fix_paprd_crash.patch Normal file
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@ -0,0 +1,58 @@
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -404,6 +404,7 @@ struct ath9k_hw_cal_data {
int8_t iCoff;
int8_t qCoff;
bool rtt_done;
+ bool paprd_packet_sent;
bool paprd_done;
bool nfcal_pending;
bool nfcal_interference;
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1780,6 +1780,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
/* Operating channel changed, reset channel calibration data */
memset(caldata, 0, sizeof(*caldata));
ath9k_init_nfcal_hist_buffer(ah, chan);
+ } else if (caldata) {
+ caldata->paprd_packet_sent = false;
}
ah->noise = ath9k_hw_getchan_noise(ah, chan);
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2028,6 +2028,9 @@ static void ath_tx_complete(struct ath_s
ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
+ if (sc->sc_ah->caldata)
+ sc->sc_ah->caldata->paprd_packet_sent = true;
+
if (!(tx_flags & ATH_TX_ERROR))
/* Frame was ACKed */
tx_info->flags |= IEEE80211_TX_STAT_ACK;
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -256,7 +256,7 @@ void ath_paprd_calibrate(struct work_str
int len = 1800;
int ret;
- if (!caldata)
+ if (!caldata || !caldata->paprd_packet_sent || caldata->paprd_done)
return;
ath9k_ps_wakeup(sc);
@@ -283,13 +283,6 @@ void ath_paprd_calibrate(struct work_str
continue;
chain_ok = 0;
-
- ath_dbg(common, CALIBRATE,
- "Sending PAPRD frame for thermal measurement on chain %d\n",
- chain);
- if (!ath_paprd_send_frame(sc, skb, chain))
- goto fail_paprd;
-
ar9003_paprd_setup_gain_table(ah, chain);
ath_dbg(common, CALIBRATE,