diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2012-08-27 11:10:36 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2012-08-27 11:10:36 +0000 |
| commit | 4a04899c5ef1dd8b57db931300a8936d607ba229 (patch) | |
| tree | 63cfdf3b6ba21ab779018ba68a676b3c991d9d2e /package/mac80211/patches | |
| parent | 7a341980fa3af70b5685a1db49c479825cbf0463 (diff) | |
| download | upstream-4a04899c5ef1dd8b57db931300a8936d607ba229.tar.gz upstream-4a04899c5ef1dd8b57db931300a8936d607ba229.tar.bz2 upstream-4a04899c5ef1dd8b57db931300a8936d607ba229.zip | |
ath9k: fix PA predistortion training, fixes hang issues and most likely also fixes #12073
SVN-Revision: 33278
Diffstat (limited to 'package/mac80211/patches')
| -rw-r--r-- | package/mac80211/patches/575-ath9k_fix_paprd_crash.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/package/mac80211/patches/575-ath9k_fix_paprd_crash.patch b/package/mac80211/patches/575-ath9k_fix_paprd_crash.patch new file mode 100644 index 0000000000..1e74a6bd24 --- /dev/null +++ b/package/mac80211/patches/575-ath9k_fix_paprd_crash.patch @@ -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, |