---

yaml
---
r: 203706
b: refs/heads/master
c: 5faaff7
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: da5747eb89eb1511dcfc1d8b32c70370616eac92
+refs/heads/master: 5faaff747710dfb79d5aa72b9faface94ad4b3f3

trunk/drivers/net/wireless/ath/ath5k/base.c

@@ -388,7 +388,7 @@ static int 	ath5k_init(struct ath5k_softc *sc);
 static int 	ath5k_stop_locked(struct ath5k_softc *sc);
 static int 	ath5k_stop_hw(struct ath5k_softc *sc);
 static irqreturn_t ath5k_intr(int irq, void *dev_id);
-static void 	ath5k_tasklet_reset(unsigned long data);
+static void ath5k_reset_work(struct work_struct *work);
 
 static void 	ath5k_tasklet_calibrate(unsigned long data);
 
@@ -831,11 +831,12 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 
 	tasklet_init(&sc->rxtq, ath5k_tasklet_rx, (unsigned long)sc);
 	tasklet_init(&sc->txtq, ath5k_tasklet_tx, (unsigned long)sc);
-	tasklet_init(&sc->restq, ath5k_tasklet_reset, (unsigned long)sc);
 	tasklet_init(&sc->calib, ath5k_tasklet_calibrate, (unsigned long)sc);
 	tasklet_init(&sc->beacontq, ath5k_tasklet_beacon, (unsigned long)sc);
 	tasklet_init(&sc->ani_tasklet, ath5k_tasklet_ani, (unsigned long)sc);
 
+	INIT_WORK(&sc->reset_work, ath5k_reset_work);
+
 	ret = ath5k_eeprom_read_mac(ah, mac);
 	if (ret) {
 		ATH5K_ERR(sc, "unable to read address from EEPROM: 0x%04x\n",
@@ -2294,8 +2295,8 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
  * frame contents are done as needed and the slot time is
  * also adjusted based on current state.
  *
- * This is called from software irq context (beacontq or restq
- * tasklets) or user context from ath5k_beacon_config.
+ * This is called from software irq context (beacontq tasklets)
+ * or user context from ath5k_beacon_config.
  */
 static void
 ath5k_beacon_send(struct ath5k_softc *sc)
@@ -2328,7 +2329,7 @@ ath5k_beacon_send(struct ath5k_softc *sc)
 				sc->bmisscount);
 			ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
 				  "stuck beacon, resetting\n");
-			tasklet_schedule(&sc->restq);
+			ieee80211_queue_work(sc->hw, &sc->reset_work);
 		}
 		return;
 	}
@@ -2684,7 +2685,6 @@ ath5k_stop_hw(struct ath5k_softc *sc)
 
 	tasklet_kill(&sc->rxtq);
 	tasklet_kill(&sc->txtq);
-	tasklet_kill(&sc->restq);
 	tasklet_kill(&sc->calib);
 	tasklet_kill(&sc->beacontq);
 	tasklet_kill(&sc->ani_tasklet);
@@ -2737,7 +2737,7 @@ ath5k_intr(int irq, void *dev_id)
 			 */
 			ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
 				  "fatal int, resetting\n");
-			tasklet_schedule(&sc->restq);
+			ieee80211_queue_work(sc->hw, &sc->reset_work);
 		} else if (unlikely(status & AR5K_INT_RXORN)) {
 			/*
 			 * Receive buffers are full. Either the bus is busy or
@@ -2752,7 +2752,7 @@ ath5k_intr(int irq, void *dev_id)
 			if (ah->ah_mac_srev < AR5K_SREV_AR5212) {
 				ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
 					  "rx overrun, resetting\n");
-				tasklet_schedule(&sc->restq);
+				ieee80211_queue_work(sc->hw, &sc->reset_work);
 			}
 			else
 				tasklet_schedule(&sc->rxtq);
@@ -2799,14 +2799,6 @@ ath5k_intr(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static void
-ath5k_tasklet_reset(unsigned long data)
-{
-	struct ath5k_softc *sc = (void *)data;
-
-	ath5k_reset(sc, sc->curchan);
-}
-
 /*
  * Periodically recalibrate the PHY to account
  * for temperature/environment changes.
@@ -2830,7 +2822,7 @@ ath5k_tasklet_calibrate(unsigned long data)
 		 * to load new gain values.
 		 */
 		ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "calibration, resetting\n");
-		ath5k_reset(sc, sc->curchan);
+		ieee80211_queue_work(sc->hw, &sc->reset_work);
 	}
 	if (ath5k_hw_phy_calibrate(ah, sc->curchan))
 		ATH5K_ERR(sc, "calibration of channel %u failed\n",
@@ -2934,6 +2926,8 @@ static int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
 /*
  * Reset the hardware.  If chan is not NULL, then also pause rx/tx
  * and change to the given channel.
+ *
+ * This should be called with sc->lock.
  */
 static int
 ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan)
@@ -2990,6 +2984,16 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan)
 	return ret;
 }
 
+static void ath5k_reset_work(struct work_struct *work)
+{
+	struct ath5k_softc *sc = container_of(work, struct ath5k_softc,
+		reset_work);
+
+	mutex_lock(&sc->lock);
+	ath5k_reset(sc, sc->curchan);
+	mutex_unlock(&sc->lock);
+}
+
 static int ath5k_start(struct ieee80211_hw *hw)
 {
 	return ath5k_init(hw->priv);

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

@@ -47,6 +47,7 @@
 #include <linux/if_ether.h>
 #include <linux/leds.h>
 #include <linux/rfkill.h>
+#include <linux/workqueue.h>
 
 #include "ath5k.h"
 #include "debug.h"
@@ -189,7 +190,7 @@ struct ath5k_softc {
 	unsigned int		led_pin,	/* GPIO pin for driving LED */
 				led_on;		/* pin setting for LED on */
 
-	struct tasklet_struct	restq;		/* reset tasklet */
+	struct work_struct	reset_work;	/* deferred chip reset */
 
 	unsigned int		rxbufsize;	/* rx size based on mtu */
 	struct list_head	rxbuf;		/* receive buffer */

trunk/drivers/net/wireless/ath/ath5k/debug.c

@@ -279,7 +279,7 @@ static ssize_t write_file_reset(struct file *file,
 {
 	struct ath5k_softc *sc = file->private_data;
 	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
-	tasklet_schedule(&sc->restq);
+	ieee80211_queue_work(sc->hw, &sc->reset_work);
 	return count;
 }