Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 170 insertions, 265 deletions

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 68d972bf232..ff47b32ecaf 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -26,11 +26,6 @@
 #define REG_READ_D(_ah, _reg) \
 	ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
 
-static int ath9k_debugfs_open(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
 
 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
 				      size_t count, loff_t *ppos)
@@ -83,7 +78,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
 static const struct file_operations fops_debug = {
 	.read = read_file_debug,
 	.write = write_file_debug,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -129,7 +124,7 @@ static ssize_t write_file_tx_chainmask(struct file *file, const char __user *use
 static const struct file_operations fops_tx_chainmask = {
 	.read = read_file_tx_chainmask,
 	.write = write_file_tx_chainmask,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -172,7 +167,7 @@ static ssize_t write_file_rx_chainmask(struct file *file, const char __user *use
 static const struct file_operations fops_rx_chainmask = {
 	.read = read_file_rx_chainmask,
 	.write = write_file_rx_chainmask,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -223,7 +218,7 @@ static ssize_t write_file_disable_ani(struct file *file,
 static const struct file_operations fops_disable_ani = {
 	.read = read_file_disable_ani,
 	.write = write_file_disable_ani,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -324,7 +319,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 
 static const struct file_operations fops_dma = {
 	.read = read_file_dma,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -446,110 +441,7 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 
 static const struct file_operations fops_interrupt = {
 	.read = read_file_interrupt,
-	.open = ath9k_debugfs_open,
-	.owner = THIS_MODULE,
-	.llseek = default_llseek,
-};
-
-static const char *channel_type_str(enum nl80211_channel_type t)
-{
-	switch (t) {
-	case NL80211_CHAN_NO_HT:
-		return "no ht";
-	case NL80211_CHAN_HT20:
-		return "ht20";
-	case NL80211_CHAN_HT40MINUS:
-		return "ht40-";
-	case NL80211_CHAN_HT40PLUS:
-		return "ht40+";
-	default:
-		return "???";
-	}
-}
-
-static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
-			       size_t count, loff_t *ppos)
-{
-	struct ath_softc *sc = file->private_data;
-	struct ieee80211_channel *chan = sc->hw->conf.channel;
-	struct ieee80211_conf *conf = &(sc->hw->conf);
-	char buf[512];
-	unsigned int len = 0;
-	u8 addr[ETH_ALEN];
-	u32 tmp;
-
-	len += snprintf(buf + len, sizeof(buf) - len,
-			"%s (chan=%d  center-freq: %d MHz  channel-type: %d (%s))\n",
-			wiphy_name(sc->hw->wiphy),
-			ieee80211_frequency_to_channel(chan->center_freq),
-			chan->center_freq,
-			conf->channel_type,
-			channel_type_str(conf->channel_type));
-
-	ath9k_ps_wakeup(sc);
-	put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
-	put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
-	len += snprintf(buf + len, sizeof(buf) - len,
-			"addr: %pM\n", addr);
-	put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
-	put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
-	len += snprintf(buf + len, sizeof(buf) - len,
-			"addrmask: %pM\n", addr);
-	tmp = ath9k_hw_getrxfilter(sc->sc_ah);
-	ath9k_ps_restore(sc);
-	len += snprintf(buf + len, sizeof(buf) - len,
-			"rfilt: 0x%x", tmp);
-	if (tmp & ATH9K_RX_FILTER_UCAST)
-		len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
-	if (tmp & ATH9K_RX_FILTER_MCAST)
-		len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
-	if (tmp & ATH9K_RX_FILTER_BCAST)
-		len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
-	if (tmp & ATH9K_RX_FILTER_CONTROL)
-		len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
-	if (tmp & ATH9K_RX_FILTER_BEACON)
-		len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
-	if (tmp & ATH9K_RX_FILTER_PROM)
-		len += snprintf(buf + len, sizeof(buf) - len, " PROM");
-	if (tmp & ATH9K_RX_FILTER_PROBEREQ)
-		len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
-	if (tmp & ATH9K_RX_FILTER_PHYERR)
-		len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
-	if (tmp & ATH9K_RX_FILTER_MYBEACON)
-		len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
-	if (tmp & ATH9K_RX_FILTER_COMP_BAR)
-		len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
-	if (tmp & ATH9K_RX_FILTER_PSPOLL)
-		len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
-	if (tmp & ATH9K_RX_FILTER_PHYRADAR)
-		len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
-	if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
-		len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
-
-	len += snprintf(buf + len, sizeof(buf) - len,
-		       "\n\nReset causes:\n"
-		       "  baseband hang: %d\n"
-		       "  baseband watchdog: %d\n"
-		       "  fatal hardware error interrupt: %d\n"
-		       "  tx hardware error: %d\n"
-		       "  tx path hang: %d\n"
-		       "  pll rx hang: %d\n",
-		       sc->debug.stats.reset[RESET_TYPE_BB_HANG],
-		       sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG],
-		       sc->debug.stats.reset[RESET_TYPE_FATAL_INT],
-		       sc->debug.stats.reset[RESET_TYPE_TX_ERROR],
-		       sc->debug.stats.reset[RESET_TYPE_TX_HANG],
-		       sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
-
-	if (len > sizeof(buf))
-		len = sizeof(buf);
-
-	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-}
-
-static const struct file_operations fops_wiphy = {
-	.read = read_file_wiphy,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -763,87 +655,128 @@ static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 {
 	struct ath_softc *sc = file->private_data;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	struct ath_hw *ah = sc->sc_ah;
 	struct ieee80211_hw *hw = sc->hw;
-	char *buf;
-	unsigned int len = 0, size = 8000;
+	struct ath9k_vif_iter_data iter_data;
+	char buf[512];
+	unsigned int len = 0;
 	ssize_t retval = 0;
 	unsigned int reg;
-	struct ath9k_vif_iter_data iter_data;
+	u32 rxfilter;
 
-	ath9k_calculate_iter_data(hw, NULL, &iter_data);
-	
-	buf = kzalloc(size, GFP_KERNEL);
-	if (buf == NULL)
-		return -ENOMEM;
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"BSSID: %pM\n", common->curbssid);
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"BSSID-MASK: %pM\n", common->bssidmask);
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
 
 	ath9k_ps_wakeup(sc);
-	len += snprintf(buf + len, size - len,
-			"curbssid: %pM\n"
-			"OP-Mode: %s(%i)\n"
-			"Beacon-Timer-Register: 0x%x\n",
-			common->curbssid,
-			ath_opmode_to_string(sc->sc_ah->opmode),
-			(int)(sc->sc_ah->opmode),
-			REG_READ(ah, AR_BEACON_PERIOD));
-
-	reg = REG_READ(ah, AR_TIMER_MODE);
+	rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
 	ath9k_ps_restore(sc);
-	len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
-			reg);
-	if (reg & AR_TBTT_TIMER_EN)
-		len += snprintf(buf + len, size - len, "TBTT ");
-	if (reg & AR_DBA_TIMER_EN)
-		len += snprintf(buf + len, size - len, "DBA ");
-	if (reg & AR_SWBA_TIMER_EN)
-		len += snprintf(buf + len, size - len, "SWBA ");
-	if (reg & AR_HCF_TIMER_EN)
-		len += snprintf(buf + len, size - len, "HCF ");
-	if (reg & AR_TIM_TIMER_EN)
-		len += snprintf(buf + len, size - len, "TIM ");
-	if (reg & AR_DTIM_TIMER_EN)
-		len += snprintf(buf + len, size - len, "DTIM ");
-	len += snprintf(buf + len, size - len, ")\n");
+
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"RXFILTER: 0x%x", rxfilter);
+
+	if (rxfilter & ATH9K_RX_FILTER_UCAST)
+		len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
+	if (rxfilter & ATH9K_RX_FILTER_MCAST)
+		len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
+	if (rxfilter & ATH9K_RX_FILTER_BCAST)
+		len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
+	if (rxfilter & ATH9K_RX_FILTER_CONTROL)
+		len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
+	if (rxfilter & ATH9K_RX_FILTER_BEACON)
+		len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
+	if (rxfilter & ATH9K_RX_FILTER_PROM)
+		len += snprintf(buf + len, sizeof(buf) - len, " PROM");
+	if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
+		len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
+	if (rxfilter & ATH9K_RX_FILTER_PHYERR)
+		len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
+	if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
+		len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
+	if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
+		len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
+	if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
+		len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
+	if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
+		len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
+	if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
+		len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
+	if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
+		len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
+
+	len += snprintf(buf + len, sizeof(buf) - len, "\n");
 
 	reg = sc->sc_ah->imask;
-	len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
+
+	len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
+
 	if (reg & ATH9K_INT_SWBA)
-		len += snprintf(buf + len, size - len, "SWBA ");
+		len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
 	if (reg & ATH9K_INT_BMISS)
-		len += snprintf(buf + len, size - len, "BMISS ");
+		len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
 	if (reg & ATH9K_INT_CST)
-		len += snprintf(buf + len, size - len, "CST ");
+		len += snprintf(buf + len, sizeof(buf) - len, " CST");
 	if (reg & ATH9K_INT_RX)
-		len += snprintf(buf + len, size - len, "RX ");
+		len += snprintf(buf + len, sizeof(buf) - len, " RX");
 	if (reg & ATH9K_INT_RXHP)
-		len += snprintf(buf + len, size - len, "RXHP ");
+		len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
 	if (reg & ATH9K_INT_RXLP)
-		len += snprintf(buf + len, size - len, "RXLP ");
+		len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
 	if (reg & ATH9K_INT_BB_WATCHDOG)
-		len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
-	/* there are other IRQs if one wanted to add them. */
-	len += snprintf(buf + len, size - len, ")\n");
+		len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
 
-	len += snprintf(buf + len, size - len,
-			"VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
-			" ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
+	len += snprintf(buf + len, sizeof(buf) - len, "\n");
+
+	ath9k_calculate_iter_data(hw, NULL, &iter_data);
+
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
+			" ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 			iter_data.naps, iter_data.nstations, iter_data.nmeshes,
-			iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
+			iter_data.nwds, iter_data.nadhocs,
 			sc->nvifs, sc->nbcnvifs);
 
-	len += snprintf(buf + len, size - len,
-			"Calculated-BSSID-Mask: %pM\n",
-			iter_data.mask);
-
-	if (len > size)
-		len = size;
+	if (len > sizeof(buf))
+		len = sizeof(buf);
 
 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
-	kfree(buf);
-
 	return retval;
 }
 
+static ssize_t read_file_reset(struct file *file, char __user *user_buf,
+			       size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char buf[512];
+	unsigned int len = 0;
+
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"%17s: %2d\n", "Baseband Hang",
+			sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"%17s: %2d\n", "Baseband Watchdog",
+			sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"%17s: %2d\n", "Fatal HW Error",
+			sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"%17s: %2d\n", "TX HW error",
+			sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"%17s: %2d\n", "TX Path Hang",
+			sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"%17s: %2d\n", "PLL RX Hang",
+			sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
+
+	if (len > sizeof(buf))
+		len = sizeof(buf);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 		       struct ath_tx_status *ts, struct ath_txq *txq,
 		       unsigned int flags)
@@ -880,6 +813,7 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 	if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 		TX_STAT_INC(qnum, delim_underrun);
 
+#ifdef CONFIG_ATH9K_MAC_DEBUG
 	spin_lock(&sc->debug.samp_lock);
 	TX_SAMP_DBG(jiffies) = jiffies;
 	TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
@@ -906,27 +840,35 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 
 	sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
 	spin_unlock(&sc->debug.samp_lock);
+#endif
 
 #undef TX_SAMP_DBG
 }
 
 static const struct file_operations fops_xmit = {
 	.read = read_file_xmit,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
 
 static const struct file_operations fops_stations = {
 	.read = read_file_stations,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
 
 static const struct file_operations fops_misc = {
 	.read = read_file_misc,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static const struct file_operations fops_reset = {
+	.read = read_file_reset,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -935,12 +877,12 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 			      size_t count, loff_t *ppos)
 {
 #define PHY_ERR(s, p) \
-	len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
+	len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
 			sc->debug.stats.rxstats.phy_err_stats[p]);
 
 	struct ath_softc *sc = file->private_data;
 	char *buf;
-	unsigned int len = 0, size = 1400;
+	unsigned int len = 0, size = 1600;
 	ssize_t retval = 0;
 
 	buf = kzalloc(size, GFP_KERNEL);
@@ -948,87 +890,59 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 		return -ENOMEM;
 
 	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "CRC ERR",
+			"%22s : %10u\n", "CRC ERR",
 			sc->debug.stats.rxstats.crc_err);
 	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "DECRYPT CRC ERR",
+			"%22s : %10u\n", "DECRYPT CRC ERR",
 			sc->debug.stats.rxstats.decrypt_crc_err);
 	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "PHY ERR",
+			"%22s : %10u\n", "PHY ERR",
 			sc->debug.stats.rxstats.phy_err);
 	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "MIC ERR",
+			"%22s : %10u\n", "MIC ERR",
 			sc->debug.stats.rxstats.mic_err);
 	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "PRE-DELIM CRC ERR",
+			"%22s : %10u\n", "PRE-DELIM CRC ERR",
 			sc->debug.stats.rxstats.pre_delim_crc_err);
 	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "POST-DELIM CRC ERR",
+			"%22s : %10u\n", "POST-DELIM CRC ERR",
 			sc->debug.stats.rxstats.post_delim_crc_err);
 	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "DECRYPT BUSY ERR",
+			"%22s : %10u\n", "DECRYPT BUSY ERR",
 			sc->debug.stats.rxstats.decrypt_busy_err);
 
-	len += snprintf(buf + len, size - len,
-			"%18s : %10d\n", "RSSI-CTL0",
-			sc->debug.stats.rxstats.rs_rssi_ctl0);
-
-	len += snprintf(buf + len, size - len,
-			"%18s : %10d\n", "RSSI-CTL1",
-			sc->debug.stats.rxstats.rs_rssi_ctl1);
-
-	len += snprintf(buf + len, size - len,
-			"%18s : %10d\n", "RSSI-CTL2",
-			sc->debug.stats.rxstats.rs_rssi_ctl2);
-
-	len += snprintf(buf + len, size - len,
-			"%18s : %10d\n", "RSSI-EXT0",
-			sc->debug.stats.rxstats.rs_rssi_ext0);
+	PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
+	PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
+	PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
+	PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
+	PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
+	PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
+	PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
+	PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
+	PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
+	PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
+	PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
+	PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
+	PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
+	PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
+	PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
+	PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
+	PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
+	PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
+	PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
+	PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
+	PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
+	PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
+	PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
+	PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
+	PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
+	PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 
 	len += snprintf(buf + len, size - len,
-			"%18s : %10d\n", "RSSI-EXT1",
-			sc->debug.stats.rxstats.rs_rssi_ext1);
-
-	len += snprintf(buf + len, size - len,
-			"%18s : %10d\n", "RSSI-EXT2",
-			sc->debug.stats.rxstats.rs_rssi_ext2);
-
-	len += snprintf(buf + len, size - len,
-			"%18s : %10d\n", "Rx Antenna",
-			sc->debug.stats.rxstats.rs_antenna);
-
-	PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
-	PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
-	PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
-	PHY_ERR("RATE", ATH9K_PHYERR_RATE);
-	PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
-	PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
-	PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
-	PHY_ERR("TOR", ATH9K_PHYERR_TOR);
-	PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
-	PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
-	PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
-	PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
-	PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
-	PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
-	PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
-	PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
-	PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
-	PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
-	PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
-	PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
-	PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
-	PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
-	PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
-	PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
-	PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
-	PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
-
-	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "RX-Pkts-All",
+			"%22s : %10u\n", "RX-Pkts-All",
 			sc->debug.stats.rxstats.rx_pkts_all);
 	len += snprintf(buf + len, size - len,
-			"%18s : %10u\n", "RX-Bytes-All",
+			"%22s : %10u\n", "RX-Bytes-All",
 			sc->debug.stats.rxstats.rx_bytes_all);
 
 	if (len > size)
@@ -1049,8 +963,6 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 #define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
 			[sc->debug.rsidx].c)
 
-	u32 phyerr;
-
 	RX_STAT_INC(rx_pkts_all);
 	sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
 
@@ -1069,20 +981,11 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 
 	if (rs->rs_status & ATH9K_RXERR_PHY) {
 		RX_STAT_INC(phy_err);
-		phyerr = rs->rs_phyerr & 0x24;
-		RX_PHY_ERR_INC(phyerr);
+		if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
+			RX_PHY_ERR_INC(rs->rs_phyerr);
 	}
 
-	sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
-	sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
-	sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
-
-	sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
-	sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
-	sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
-
-	sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
-
+#ifdef CONFIG_ATH9K_MAC_DEBUG
 	spin_lock(&sc->debug.samp_lock);
 	RX_SAMP_DBG(jiffies) = jiffies;
 	RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
@@ -1099,6 +1002,8 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 	sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
 	spin_unlock(&sc->debug.samp_lock);
 
+#endif
+
 #undef RX_STAT_INC
 #undef RX_PHY_ERR_INC
 #undef RX_SAMP_DBG
@@ -1106,7 +1011,7 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 
 static const struct file_operations fops_recv = {
 	.read = read_file_recv,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -1145,7 +1050,7 @@ static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
 static const struct file_operations fops_regidx = {
 	.read = read_file_regidx,
 	.write = write_file_regidx,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -1192,7 +1097,7 @@ static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
 static const struct file_operations fops_regval = {
 	.read = read_file_regval,
 	.write = write_file_regval,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -1281,7 +1186,7 @@ static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
 
 static const struct file_operations fops_dump_nfcal = {
 	.read = read_file_dump_nfcal,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -1309,7 +1214,7 @@ static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
 
 static const struct file_operations fops_base_eeprom = {
 	.read = read_file_base_eeprom,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
@@ -1337,11 +1242,13 @@ static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
 
 static const struct file_operations fops_modal_eeprom = {
 	.read = read_file_modal_eeprom,
-	.open = ath9k_debugfs_open,
+	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };
 
+#ifdef CONFIG_ATH9K_MAC_DEBUG
+
 void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
 {
 #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
@@ -1615,6 +1522,7 @@ static const struct file_operations fops_samps = {
 	.llseek = default_llseek,
 };
 
+#endif
 
 int ath9k_init_debug(struct ath_hw *ah)
 {
@@ -1637,14 +1545,14 @@ int ath9k_init_debug(struct ath_hw *ah)
 			    &fops_dma);
 	debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_interrupt);
-	debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
-			    sc, &fops_wiphy);
 	debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_xmit);
 	debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_stations);
 	debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_misc);
+	debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
+			    &fops_reset);
 	debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_recv);
 	debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
@@ -1668,8 +1576,10 @@ int ath9k_init_debug(struct ath_hw *ah)
 			    &fops_base_eeprom);
 	debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_modal_eeprom);
+#ifdef CONFIG_ATH9K_MAC_DEBUG
 	debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_samps);
+#endif
 
 	debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
 			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
@@ -1677,10 +1587,5 @@ int ath9k_init_debug(struct ath_hw *ah)
 	debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
 			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
 
-	sc->debug.regidx = 0;
-	memset(&sc->debug.bb_mac_samp, 0, sizeof(sc->debug.bb_mac_samp));
-	sc->debug.sampidx = 0;
-	sc->debug.tsidx = 0;
-	sc->debug.rsidx = 0;
 	return 0;
 }