Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
  bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
  vlan: Calling vlan_hwaccel_do_receive() is always valid.
  tproxy: use the interface primary IP address as a default value for --on-ip
  tproxy: added IPv6 support to the socket match
  cxgb3: function namespace cleanup
  tproxy: added IPv6 support to the TPROXY target
  tproxy: added IPv6 socket lookup function to nf_tproxy_core
  be2net: Changes to use only priority codes allowed by f/w
  tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
  tproxy: added tproxy sockopt interface in the IPV6 layer
  tproxy: added udp6_lib_lookup function
  tproxy: added const specifiers to udp lookup functions
  tproxy: split off ipv6 defragmentation to a separate module
  l2tp: small cleanup
  nf_nat: restrict ICMP translation for embedded header
  can: mcp251x: fix generation of error frames
  can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
  can-raw: add msg_flags to distinguish local traffic
  9p: client code cleanup
  rds: make local functions/variables static
  ...

Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
drivers/net/wireless/ath/ath9k/debug.c as per David

1 files changed, 134 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
new file mode 100644
index 000000000000..50eec9a3b88c
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
@@ -0,0 +1,134 @@
+#include "htc.h"
+
+/******************/
+/*     BTCOEX     */
+/******************/
+
+/*
+ * Detects if there is any priority bt traffic
+ */
+static void ath_detect_bt_priority(struct ath9k_htc_priv *priv)
+{
+	struct ath_btcoex *btcoex = &priv->btcoex;
+	struct ath_hw *ah = priv->ah;
+
+	if (ath9k_hw_gpio_get(ah, ah->btcoex_hw.btpriority_gpio))
+		btcoex->bt_priority_cnt++;
+
+	if (time_after(jiffies, btcoex->bt_priority_time +
+			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
+		priv->op_flags &= ~(OP_BT_PRIORITY_DETECTED | OP_BT_SCAN);
+		/* Detect if colocated bt started scanning */
+		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) {
+			ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+				  "BT scan detected");
+			priv->op_flags |= (OP_BT_SCAN |
+					 OP_BT_PRIORITY_DETECTED);
+		} else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
+			ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+				    "BT priority traffic detected");
+			priv->op_flags |= OP_BT_PRIORITY_DETECTED;
+		}
+
+		btcoex->bt_priority_cnt = 0;
+		btcoex->bt_priority_time = jiffies;
+	}
+}
+
+/*
+ * This is the master bt coex work which runs for every
+ * 45ms, bt traffic will be given priority during 55% of this
+ * period while wlan gets remaining 45%
+ */
+static void ath_btcoex_period_work(struct work_struct *work)
+{
+	struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv,
+						   coex_period_work.work);
+	struct ath_btcoex *btcoex = &priv->btcoex;
+	struct ath_common *common = ath9k_hw_common(priv->ah);
+	u32 timer_period;
+	bool is_btscan;
+	int ret;
+	u8 cmd_rsp, aggr;
+
+	ath_detect_bt_priority(priv);
+
+	is_btscan = !!(priv->op_flags & OP_BT_SCAN);
+
+	aggr = priv->op_flags & OP_BT_PRIORITY_DETECTED;
+
+	WMI_CMD_BUF(WMI_AGGR_LIMIT_CMD, &aggr);
+
+	ath9k_cmn_btcoex_bt_stomp(common, is_btscan ? ATH_BTCOEX_STOMP_ALL :
+			btcoex->bt_stomp_type);
+
+	timer_period = is_btscan ? btcoex->btscan_no_stomp :
+		btcoex->btcoex_no_stomp;
+	ieee80211_queue_delayed_work(priv->hw, &priv->duty_cycle_work,
+				     msecs_to_jiffies(timer_period));
+	ieee80211_queue_delayed_work(priv->hw, &priv->coex_period_work,
+				     msecs_to_jiffies(btcoex->btcoex_period));
+}
+
+/*
+ * Work to time slice between wlan and bt traffic and
+ * configure weight registers
+ */
+static void ath_btcoex_duty_cycle_work(struct work_struct *work)
+{
+	struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv,
+						   duty_cycle_work.work);
+	struct ath_hw *ah = priv->ah;
+	struct ath_btcoex *btcoex = &priv->btcoex;
+	struct ath_common *common = ath9k_hw_common(ah);
+	bool is_btscan = priv->op_flags & OP_BT_SCAN;
+
+	ath_print(common, ATH_DBG_BTCOEX,
+		  "time slice work for bt and wlan\n");
+
+	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || is_btscan)
+		ath9k_cmn_btcoex_bt_stomp(common, ATH_BTCOEX_STOMP_NONE);
+	else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
+		ath9k_cmn_btcoex_bt_stomp(common, ATH_BTCOEX_STOMP_LOW);
+}
+
+void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv)
+{
+	struct ath_btcoex *btcoex = &priv->btcoex;
+
+	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD;
+	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
+		btcoex->btcoex_period / 100;
+	btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) *
+				   btcoex->btcoex_period / 100;
+	INIT_DELAYED_WORK(&priv->coex_period_work, ath_btcoex_period_work);
+	INIT_DELAYED_WORK(&priv->duty_cycle_work, ath_btcoex_duty_cycle_work);
+}
+
+/*
+ * (Re)start btcoex work
+ */
+
+void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv)
+{
+	struct ath_btcoex *btcoex = &priv->btcoex;
+	struct ath_hw *ah = priv->ah;
+
+	ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+		  "Starting btcoex work");
+
+	btcoex->bt_priority_cnt = 0;
+	btcoex->bt_priority_time = jiffies;
+	priv->op_flags &= ~(OP_BT_PRIORITY_DETECTED | OP_BT_SCAN);
+	ieee80211_queue_delayed_work(priv->hw, &priv->coex_period_work, 0);
+}
+
+
+/*
+ * Cancel btcoex and bt duty cycle work.
+ */
+void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv)
+{
+	cancel_delayed_work_sync(&priv->coex_period_work);
+	cancel_delayed_work_sync(&priv->duty_cycle_work);
+}