Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/gi…

…t/linville/wireless-next into for-davem

MAINTAINERS

@@ -8500,7 +8500,7 @@ F:	drivers/usb/gadget/*uvc*.c
 F:	drivers/usb/gadget/webcam.c
 
 USB WIRELESS RNDIS DRIVER (rndis_wlan)
-M:	Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
+M:	Jussi Kivilinna <jussi.kivilinna@iki.fi>
 L:	linux-wireless@vger.kernel.org
 S:	Maintained
 F:	drivers/net/wireless/rndis_wlan.c

drivers/bcma/core.c

@@ -104,7 +104,13 @@ void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, bool on)
 		if (i)
 			bcma_err(core->bus, "PLL enable timeout\n");
 	} else {
-		bcma_warn(core->bus, "Disabling PLL not supported yet!\n");
+		/*
+		 * Mask the PLL but don't wait for it to be disabled. PLL may be
+		 * shared between cores and will be still up if there is another
+		 * core using it.
+		 */
+		bcma_mask32(core, BCMA_CLKCTLST, ~req);
+		bcma_read32(core, BCMA_CLKCTLST);
 	}
 }
 EXPORT_SYMBOL_GPL(bcma_core_pll_ctl);

drivers/bcma/main.c

@@ -120,6 +120,11 @@ static int bcma_register_cores(struct bcma_bus *bus)
 			continue;
 		}
 
+		/* Only first GMAC core on BCM4706 is connected and working */
+		if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
+		    core->core_unit > 0)
+			continue;
+
 		core->dev.release = bcma_release_core_dev;
 		core->dev.bus = &bcma_bus_type;
 		dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);

drivers/net/wireless/ath/ath5k/ath5k.h

@@ -1523,7 +1523,8 @@ int ath5k_hw_dma_stop(struct ath5k_hw *ah);
 /* EEPROM access functions */
 int ath5k_eeprom_init(struct ath5k_hw *ah);
 void ath5k_eeprom_detach(struct ath5k_hw *ah);
-
+int ath5k_eeprom_mode_from_channel(struct ath5k_hw *ah,
+		struct ieee80211_channel *channel);
 
 /* Protocol Control Unit Functions */
 /* Helpers */

drivers/net/wireless/ath/ath5k/eeprom.c

@@ -1779,7 +1779,8 @@ ath5k_eeprom_detach(struct ath5k_hw *ah)
 }
 
 int
-ath5k_eeprom_mode_from_channel(struct ieee80211_channel *channel)
+ath5k_eeprom_mode_from_channel(struct ath5k_hw *ah,
+		struct ieee80211_channel *channel)
 {
 	switch (channel->hw_value) {
 	case AR5K_MODE_11A:
@@ -1789,6 +1790,7 @@ ath5k_eeprom_mode_from_channel(struct ieee80211_channel *channel)
 	case AR5K_MODE_11B:
 		return AR5K_EEPROM_MODE_11B;
 	default:
-		return -1;
+		ATH5K_WARN(ah, "channel is not A/B/G!");
+		return AR5K_EEPROM_MODE_11A;
 	}
 }

drivers/net/wireless/ath/ath5k/eeprom.h

@@ -493,6 +493,3 @@ struct ath5k_eeprom_info {
 	/* Antenna raw switch tables */
 	u32	ee_antenna[AR5K_EEPROM_N_MODES][AR5K_ANT_MAX];
 };
-
-int
-ath5k_eeprom_mode_from_channel(struct ieee80211_channel *channel);

drivers/net/wireless/ath/ath5k/phy.c

@@ -1612,11 +1612,7 @@ ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
 
 	ah->ah_cal_mask |= AR5K_CALIBRATION_NF;
 
-	ee_mode = ath5k_eeprom_mode_from_channel(ah->ah_current_channel);
-	if (WARN_ON(ee_mode < 0)) {
-		ah->ah_cal_mask &= ~AR5K_CALIBRATION_NF;
-		return;
-	}
+	ee_mode = ath5k_eeprom_mode_from_channel(ah, ah->ah_current_channel);
 
 	/* completed NF calibration, test threshold */
 	nf = ath5k_hw_read_measured_noise_floor(ah);
@@ -2317,12 +2313,7 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
 
 	def_ant = ah->ah_def_ant;
 
-	ee_mode = ath5k_eeprom_mode_from_channel(channel);
-	if (ee_mode < 0) {
-		ATH5K_ERR(ah,
-			"invalid channel: %d\n", channel->center_freq);
-		return;
-	}
+	ee_mode = ath5k_eeprom_mode_from_channel(ah, channel);
 
 	switch (ant_mode) {
 	case AR5K_ANTMODE_DEFAULT:
@@ -3622,12 +3613,7 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		return -EINVAL;
 	}
 
-	ee_mode = ath5k_eeprom_mode_from_channel(channel);
-	if (ee_mode < 0) {
-		ATH5K_ERR(ah,
-			"invalid channel: %d\n", channel->center_freq);
-		return -EINVAL;
-	}
+	ee_mode = ath5k_eeprom_mode_from_channel(ah, channel);
 
 	/* Initialize TX power table */
 	switch (ah->ah_radio) {

drivers/net/wireless/ath/ath5k/reset.c

@@ -984,9 +984,7 @@ ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
 	if (ah->ah_version == AR5K_AR5210)
 		return;
 
-	ee_mode = ath5k_eeprom_mode_from_channel(channel);
-	if (WARN_ON(ee_mode < 0))
-		return;
+	ee_mode = ath5k_eeprom_mode_from_channel(ah, channel);
 
 	/* Adjust power delta for channel 14 */
 	if (channel->center_freq == 2484)

drivers/net/wireless/ath/ath6kl/Kconfig

@@ -30,6 +30,15 @@ config ATH6KL_DEBUG
 	---help---
 	  Enables debug support
 
+config ATH6KL_TRACING
+	bool "Atheros ath6kl tracing support"
+	depends on ATH6KL
+	depends on EVENT_TRACING
+	---help---
+	  Select this to ath6kl use tracing infrastructure.
+
+	  If unsure, say Y to make it easier to debug problems.
+
 config ATH6KL_REGDOMAIN
 	bool "Atheros ath6kl regdomain support"
 	depends on ATH6KL

drivers/net/wireless/ath/ath6kl/Makefile

@@ -35,10 +35,15 @@ ath6kl_core-y += txrx.o
 ath6kl_core-y += wmi.o
 ath6kl_core-y += core.o
 ath6kl_core-y += recovery.o
+
 ath6kl_core-$(CONFIG_NL80211_TESTMODE) += testmode.o
+ath6kl_core-$(CONFIG_ATH6KL_TRACING) += trace.o
 
 obj-$(CONFIG_ATH6KL_SDIO) += ath6kl_sdio.o
 ath6kl_sdio-y += sdio.o
 
 obj-$(CONFIG_ATH6KL_USB) += ath6kl_usb.o
 ath6kl_usb-y += usb.o
+
+# for tracing framework to find trace.h
+CFLAGS_trace.o := -I$(src)

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -402,7 +402,7 @@ static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
 	if (type == NL80211_IFTYPE_STATION ||
 	    type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
 		for (i = 0; i < ar->vif_max; i++) {
-			if ((ar->avail_idx_map >> i) & BIT(0)) {
+			if ((ar->avail_idx_map) & BIT(i)) {
 				*if_idx = i;
 				return true;
 			}
@@ -412,7 +412,7 @@ static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
 	if (type == NL80211_IFTYPE_P2P_CLIENT ||
 	    type == NL80211_IFTYPE_P2P_GO) {
 		for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
-			if ((ar->avail_idx_map >> i) & BIT(0)) {
+			if ((ar->avail_idx_map) & BIT(i)) {
 				*if_idx = i;
 				return true;
 			}
@@ -1535,7 +1535,9 @@ static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
 
 	ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
 
+	rtnl_lock();
 	ath6kl_cfg80211_vif_cleanup(vif);
+	rtnl_unlock();
 
 	return 0;
 }
@@ -2990,13 +2992,15 @@ static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
 {
 	struct ath6kl *ar = ath6kl_priv(dev);
 	struct ath6kl_vif *vif = netdev_priv(dev);
+	int err;
 
 	if (vif->nw_type != AP_NETWORK)
 		return -EOPNOTSUPP;
 
-	/* Use this only for authorizing/unauthorizing a station */
-	if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
-		return -EOPNOTSUPP;
+	err = cfg80211_check_station_change(wiphy, params,
+					    CFG80211_STA_AP_MLME_CLIENT);
+	if (err)
+		return err;
 
 	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
 		return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
@@ -3659,7 +3663,6 @@ struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
 	vif->sme_state = SME_DISCONNECTED;
 	set_bit(WLAN_ENABLED, &vif->flags);
 	ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
-	set_bit(NETDEV_REGISTERED, &vif->flags);
 
 	if (type == NL80211_IFTYPE_ADHOC)
 		ar->ibss_if_active = true;

drivers/net/wireless/ath/ath6kl/core.h

@@ -560,7 +560,6 @@ enum ath6kl_vif_state {
 	WMM_ENABLED,
 	NETQ_STOPPED,
 	DTIM_EXPIRED,
-	NETDEV_REGISTERED,
 	CLEAR_BSSFILTER_ON_BEACON,
 	DTIM_PERIOD_AVAIL,
 	WLAN_ENABLED,
@@ -936,8 +935,6 @@ void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
 			     u8 win_sz);
 void ath6kl_wakeup_event(void *dev);
 
-void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
-			 bool wait_fot_compltn, bool cold_reset);
 void ath6kl_init_control_info(struct ath6kl_vif *vif);
 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready);

drivers/net/wireless/ath/ath6kl/debug.c

@@ -56,22 +56,76 @@ int ath6kl_printk(const char *level, const char *fmt, ...)
 }
 EXPORT_SYMBOL(ath6kl_printk);
 
+int ath6kl_info(const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+	int ret;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+	ret = ath6kl_printk(KERN_INFO, "%pV", &vaf);
+	trace_ath6kl_log_info(&vaf);
+	va_end(args);
+
+	return ret;
+}
+EXPORT_SYMBOL(ath6kl_info);
+
+int ath6kl_err(const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+	int ret;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+	ret = ath6kl_printk(KERN_ERR, "%pV", &vaf);
+	trace_ath6kl_log_err(&vaf);
+	va_end(args);
+
+	return ret;
+}
+EXPORT_SYMBOL(ath6kl_err);
+
+int ath6kl_warn(const char *fmt, ...)
+{
+	struct va_format vaf = {
+		.fmt = fmt,
+	};
+	va_list args;
+	int ret;
+
+	va_start(args, fmt);
+	vaf.va = &args;
+	ret = ath6kl_printk(KERN_WARNING, "%pV", &vaf);
+	trace_ath6kl_log_warn(&vaf);
+	va_end(args);
+
+	return ret;
+}
+EXPORT_SYMBOL(ath6kl_warn);
+
 #ifdef CONFIG_ATH6KL_DEBUG
 
 void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...)
 {
 	struct va_format vaf;
 	va_list args;
 
-	if (!(debug_mask & mask))
-		return;
-
 	va_start(args, fmt);
 
 	vaf.fmt = fmt;
 	vaf.va = &args;
 
-	ath6kl_printk(KERN_DEBUG, "%pV", &vaf);
+	if (debug_mask & mask)
+		ath6kl_printk(KERN_DEBUG, "%pV", &vaf);
+
+	trace_ath6kl_log_dbg(mask, &vaf);
 
 	va_end(args);
 }
@@ -87,6 +141,10 @@ void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask,
 
 		print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
 	}
+
+	/* tracing code doesn't like null strings :/ */
+	trace_ath6kl_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",
+				  buf, len);
 }
 EXPORT_SYMBOL(ath6kl_dbg_dump);
 
@@ -1752,8 +1810,10 @@ int ath6kl_debug_init_fs(struct ath6kl *ar)
 	debugfs_create_file("tgt_stats", S_IRUSR, ar->debugfs_phy, ar,
 			    &fops_tgt_stats);
 
-	debugfs_create_file("credit_dist_stats", S_IRUSR, ar->debugfs_phy, ar,
-			    &fops_credit_dist_stats);
+	if (ar->hif_type == ATH6KL_HIF_TYPE_SDIO)
+		debugfs_create_file("credit_dist_stats", S_IRUSR,
+				    ar->debugfs_phy, ar,
+				    &fops_credit_dist_stats);
 
 	debugfs_create_file("endpoint_stats", S_IRUSR | S_IWUSR,
 			    ar->debugfs_phy, ar, &fops_endpoint_stats);

drivers/net/wireless/ath/ath6kl/debug.h

@@ -19,6 +19,7 @@
 #define DEBUG_H
 
 #include "hif.h"
+#include "trace.h"
 
 enum ATH6K_DEBUG_MASK {
 	ATH6KL_DBG_CREDIT	= BIT(0),
@@ -51,13 +52,9 @@ enum ATH6K_DEBUG_MASK {
 extern unsigned int debug_mask;
 extern __printf(2, 3)
 int ath6kl_printk(const char *level, const char *fmt, ...);
-
-#define ath6kl_info(fmt, ...)				\
-	ath6kl_printk(KERN_INFO, fmt, ##__VA_ARGS__)
-#define ath6kl_err(fmt, ...)					\
-	ath6kl_printk(KERN_ERR, fmt, ##__VA_ARGS__)
-#define ath6kl_warn(fmt, ...)					\
-	ath6kl_printk(KERN_WARNING, fmt, ##__VA_ARGS__)
+extern __printf(1, 2) int ath6kl_info(const char *fmt, ...);
+extern __printf(1, 2) int ath6kl_err(const char *fmt, ...);
+extern __printf(1, 2) int ath6kl_warn(const char *fmt, ...);
 
 enum ath6kl_war {
 	ATH6KL_WAR_INVALID_RATE,

drivers/net/wireless/ath/ath6kl/hif.c

@@ -22,6 +22,7 @@
 #include "target.h"
 #include "hif-ops.h"
 #include "debug.h"
+#include "trace.h"
 
 #define MAILBOX_FOR_BLOCK_SIZE          1
 
@@ -436,6 +437,8 @@ static int proc_pending_irqs(struct ath6kl_device *dev, bool *done)
 
 		ath6kl_dump_registers(dev, &dev->irq_proc_reg,
 				      &dev->irq_en_reg);
+		trace_ath6kl_sdio_irq(&dev->irq_en_reg,
+				      sizeof(dev->irq_en_reg));
 
 		/* Update only those registers that are enabled */
 		host_int_status = dev->irq_proc_reg.host_int_status &